Merge branch 'master' into 'master'

SMS Mangement Feature

See merge request entgra/carbon-device-mgt!731

components/apimgt-extensions/org.wso2.carbon.apimgt.application.extension.api/src/main/java/org/wso2/carbon/apimgt/application/extension/api/util/APIUtil.java

@@ -47,6 +47,7 @@ public class APIUtil {
     private static final String DEFAULT_APP_MGT_REVIEW_MGT_TAG = "review_management";
     private static final String DEFAULT_APP_MGT_SUB_MGT_TAG = "subscription_management";
     private static final String DEFAULT_ANALYTICS_ARTIFACT_TAG = "analytics_artifacts_management";
+    private static final String DEFAULT_TRANSPORT_MGT_TAG = "transport_management";
 
     public static final String PERMISSION_PROPERTY_NAME = "name";
 
@@ -116,6 +117,7 @@ public class APIUtil {
         allowedApisTags.add(DEFAULT_APP_MGT_REVIEW_MGT_TAG);
         allowedApisTags.add(DEFAULT_APP_MGT_SUB_MGT_TAG);
         allowedApisTags.add(DEFAULT_ANALYTICS_ARTIFACT_TAG);
+        allowedApisTags.add(DEFAULT_TRANSPORT_MGT_TAG);
         return allowedApisTags;
     }
 

components/transport-mgt/email-sender/pom.xml

@@ -21,9 +21,9 @@
 
     <parent>
         <groupId>org.wso2.carbon.devicemgt</groupId>
-        <artifactId>carbon-devicemgt</artifactId>
+        <artifactId>transport-mgt</artifactId>
         <version>4.1.12-SNAPSHOT</version>
-        <relativePath>../../pom.xml</relativePath>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

components/transport-mgt/pom.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>carbon-devicemgt</artifactId>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>transport-mgt</artifactId>
+    <packaging>pom</packaging>
+    <name>Entgra IoT - Transport Component</name>
+    <url>http://entgra.io</url>
+
+    <modules>
+        <module>sms-handler</module>
+        <module>email-sender</module>
+    </modules>
+
+</project>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/pom.xml

@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>sms-handler</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.transport.mgt.sms.handler.api</artifactId>
+    <packaging>war</packaging>
+    <name>Entgra IoT - SMS Management Core</name>
+    <description>Entgra IoT - SMS Management API</description>
+    <url>http://entgra.io</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-war-plugin</artifactId>
+                <configuration>
+                    <packagingExcludes>WEB-INF/lib/*cxf*.jar</packagingExcludes>
+                    <warName>api#sms-handler#v1.0</warName>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <configuration>
+                    <destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>jacoco-initialize</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>jacoco-site</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                        <configuration>
+                            <dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
+                            <outputDirectory>${basedir}/target/coverage-reports/site</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <systemPropertyVariables>
+                        <log4j.configuration>file:src/test/resources/log4j.properties</log4j.configuration>
+                    </systemPropertyVariables>
+                    <suiteXmlFiles>
+                        <suiteXmlFile>src/test/resources/testng.xml</suiteXmlFile>
+                    </suiteXmlFiles>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>deploy</id>
+            <build>
+                <defaultGoal>compile</defaultGoal>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-antrun-plugin</artifactId>
+                        <version>1.7</version>
+                        <executions>
+                            <execution>
+                                <phase>compile</phase>
+                                <goals>
+                                    <goal>run</goal>
+                                </goals>
+                                <configuration>
+                                    <tasks>
+                                        <copy todir="${basedir}/../../../repository/deployment/server/webapps" overwrite="true">
+                                            <fileset dir="${basedir}/target">
+                                                <include name="api#sms-handler#v1.0.war" />
+                                            </fileset>
+                                        </copy>
+                                    </tasks>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        <profile>
+            <id>client</id>
+            <build>
+                <defaultGoal>test</defaultGoal>
+                <plugins>
+                    <plugin>
+                        <groupId>org.codehaus.mojo</groupId>
+                        <artifactId>exec-maven-plugin</artifactId>
+                        <version>1.2.1</version>
+                        <executions>
+                            <execution>
+                                <phase>test</phase>
+                                <goals>
+                                    <goal>java</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxws</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxrs</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-transports-http</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.ws.rs</groupId>
+            <artifactId>javax.ws.rs-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-jaxrs</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.fasterxml.jackson.module</groupId>
+                    <artifactId>jackson-module-jaxb-annotations</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-api</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.wso2.orbit.com.fasterxml.jackson.core</groupId>
+                    <artifactId>jackson-core</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.apimgt.annotations</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.logging</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.device.mgt.common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>io.entgra.transport.mgt.sms.handler.core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>io.entgra.transport.mgt.sms.handler.common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/java/io/entgra/transport/mgt/sms/handler/api/service/ConfigurationManagementService.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.api.service;
+
+import io.entgra.transport.mgt.sms.handler.common.SMSHandlerConstants;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import io.swagger.annotations.Extension;
+import io.swagger.annotations.ExtensionProperty;
+import io.swagger.annotations.Info;
+import io.swagger.annotations.ResponseHeader;
+import io.swagger.annotations.SwaggerDefinition;
+import io.swagger.annotations.Tag;
+import org.wso2.carbon.apimgt.annotations.api.Scope;
+import org.wso2.carbon.apimgt.annotations.api.Scopes;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+@SwaggerDefinition(
+        info = @Info(
+                version = "1.0.0",
+                title = "",
+                extensions = {
+                        @Extension(properties = {
+                                @ExtensionProperty(name = "name", value = "ConfigurationManagementService"),
+                                @ExtensionProperty(name = "context", value = "/api/sms-handler/v1.0/configuration"),
+                        })
+                }
+        ),
+        tags = {
+                @Tag(name = "transport_management", description = "")
+        }
+)
+@Path("/configuration")
+@Api(value = "Configuration Management", description = "The general SMS configuration management capabilities " +
+        "are exposed through this API.")
+@Produces(MediaType.APPLICATION_JSON)
+@Consumes(MediaType.APPLICATION_JSON)
+@Scopes(scopes = {
+        @Scope(
+                name = "View configurations",
+                description = "",
+                key = "perm:sms-handler:view-configuration",
+                permissions = {"/sms-handler/platform-configurations/view"}
+        )
+})
+public interface ConfigurationManagementService {
+
+    @GET
+    @ApiOperation(
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "GET",
+            value = "Reload SMS Configuration",
+            notes = "Reload SMS Configuration in sms-config.xml file",
+            tags = "SMS Configuration Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SMSHandlerConstants.SCOPE, value = "perm:sms-handler:view-configuration")
+                    })
+            }
+    )
+    @ApiResponses(
+            value = {
+                    @ApiResponse(
+                            code = 200,
+                            message = "OK. \n Successfully reloaded SMS configurations.",
+                            responseContainer = "List",
+                            responseHeaders = {
+                                    @ResponseHeader(
+                                            name = "Content-Type",
+                                            description = "The content type of the body"),
+                                    @ResponseHeader(
+                                            name = "ETag",
+                                            description = "Entity Tag of the response resource.\n" +
+                                                    "Used by caches, or in conditional requests."),
+                                    @ResponseHeader(
+                                            name = "Last-Modified",
+                                            description = "Date and time the resource has been modified the last time.\n" +
+                                                    "Used by caches, or in conditional requests."),
+                            }
+                    ),
+                    @ApiResponse(
+                            code = 304,
+                            message = "Not Modified. \n Empty body because the client already has the latest "
+                                    + "version of the requested resource."),
+                    @ApiResponse(
+                            code = 406,
+                            message = "Not Acceptable.\n The requested media type is not supported."),
+                    @ApiResponse(
+                            code = 500,
+                            message = "Internal Server Error. \n Server error occurred while fetching the general " +
+                                    "platform configurations.")
+            })
+    Response reloadConfiguration();
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/java/io/entgra/transport/mgt/sms/handler/api/service/addons/ApiOriginFilter.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.api.service.addons;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class ApiOriginFilter implements Filter {
+
+    public void doFilter(ServletRequest request, ServletResponse response,
+            FilterChain chain) throws IOException, ServletException {
+        HttpServletResponse res = (HttpServletResponse) response;
+        res.addHeader("Access-Control-Allow-Origin", "*");
+        res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
+        res.addHeader("Access-Control-Allow-Headers", "Content-Type");
+        chain.doFilter(request, response);
+    }
+
+    public void destroy() {
+        //do nothing
+    }
+
+    public void init(FilterConfig filterConfig) throws ServletException {
+        //do nothing
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/java/io/entgra/transport/mgt/sms/handler/api/service/addons/GsonMessageBodyHandler.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.api.service.addons;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+public class GsonMessageBodyHandler {
+
+    public static final String DATE_FORMAT = "EEE, d MMM yyyy HH:mm:ss Z";
+    private Gson gson;
+    private static final String UTF_8 = "UTF-8";
+
+    public boolean isReadable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+        return true;
+    }
+
+    private Gson getGson() {
+        if (gson == null) {
+            final GsonBuilder gsonBuilder = new GsonBuilder();
+            gson = gsonBuilder.setDateFormat(DATE_FORMAT).create();
+        }
+        return gson;
+    }
+
+    public Object readFrom(Class<Object> objectClass, Type type, Annotation[] annotations, MediaType mediaType,
+            MultivaluedMap<String, String> stringStringMultivaluedMap, InputStream entityStream)
+            throws IOException, WebApplicationException {
+
+        InputStreamReader reader = new InputStreamReader(entityStream, "UTF-8");
+
+        try {
+            return getGson().fromJson(reader, type);
+        } finally {
+            reader.close();
+        }
+    }
+
+    public boolean isWriteable(Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+        return true;
+    }
+
+    public long getSize(Object o, Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType) {
+        return -1;
+    }
+
+    public void writeTo(Object object, Class<?> aClass, Type type, Annotation[] annotations, MediaType mediaType,
+            MultivaluedMap<String, Object> stringObjectMultivaluedMap, OutputStream entityStream)
+            throws IOException, WebApplicationException {
+
+        OutputStreamWriter writer = new OutputStreamWriter(entityStream, UTF_8);
+        try {
+            getGson().toJson(object, type, writer);
+        } finally {
+            writer.close();
+        }
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/java/io/entgra/transport/mgt/sms/handler/api/service/impl/ConfigurationManagementServiceImpl.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.api.service.impl;
+
+import io.entgra.transport.mgt.sms.handler.api.service.ConfigurationManagementService;
+import io.entgra.transport.mgt.sms.handler.core.config.SMSConfigurationManager;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+
+@Path("/configuration")
+public class ConfigurationManagementServiceImpl implements ConfigurationManagementService {
+
+    private static final Log log = LogFactory.getLog(ConfigurationManagementServiceImpl.class);
+
+    @Path("/reload")
+    @GET
+    @Override
+    public Response reloadConfiguration() {
+        if (log.isDebugEnabled()) {
+            log.debug("Reloading SMS Configuration in file sms-config.xml");
+        }
+        try {
+            SMSConfigurationManager.getInstance().initConfig();
+        } catch (DeviceManagementException e) {
+            String msg = "Error occurred while reloading SMS Configuration";
+            log.error(msg, e);
+            return Response.serverError().entity(msg).build();
+        }
+        return Response.ok().entity("Successfully reloaded SMS Configuration in file sms-config.xml ").build();
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/webapp/META-INF/webapp-classloading.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<!--
+    This file defines class loading policy of the whole container. But this behaviour can be overridden by individual webapps by putting this file into the META-INF/ directory.
+-->
+<Classloading xmlns="http://wso2.org/projects/as/classloading">
+
+    <!-- Parent-first or child-first. Default behaviour is child-first.-->
+    <ParentFirst>false</ParentFirst>
+
+    <!--
+	Default environments that contains provides to all the webapps. This can be overridden by individual webapps by specifing required environments
+	Tomcat environment is the default and every webapps gets it even if they didn't specify it.
+	e.g. If a webapps requires CXF, they will get both Tomcat and CXF.
+     -->
+    <Environments>CXF,Carbon</Environments>
+</Classloading>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/webapp/WEB-INF/cxf-servlet.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:jaxrs="http://cxf.apache.org/jaxrs" xmlns:cxf="http://cxf.apache.org/core"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
+         http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd http://cxf.apache.org/core http://cxf.apache.org/schemas/core.xsd">
+
+    <jaxrs:server id="services" address="/">
+        <jaxrs:serviceBeans>
+			<ref bean="configurationManagementService"/>
+        </jaxrs:serviceBeans>
+        <jaxrs:providers>
+            <ref bean="jsonProvider"/>
+            <ref bean="swaggerWriter"/>
+        </jaxrs:providers>
+    </jaxrs:server>
+
+    <bean id="swaggerWriter" class="io.swagger.jaxrs.listing.SwaggerSerializers" />
+    <bean id="swaggerResource" class="io.swagger.jaxrs.listing.ApiListingResource" />
+
+    <bean id="swaggerConfig" class="io.swagger.jaxrs.config.BeanConfig">
+        <property name="resourcePackage" value="org.wso2.carbon.device.mgt.jaxrs"/>
+        <property name="version" value="1.0"/>
+        <property name="host" value="localhost:9443"/>
+        <property name="schemes" value="https" />
+        <property name="basePath" value="/api/device-mgt/v1.0"/>
+        <property name="title" value="Device Management Admin Service API Definitions"/>
+        <property name="contact" value="dev@entgra.io"/>
+        <property name="license" value="Apache 2.0"/>
+        <property name="licenseUrl" value="http://www.apache.org/licenses/LICENSE-2.0.html"/>
+        <property name="scan" value="true"/>
+    </bean>
+
+	<bean id="configurationManagementService" class="io.entgra.transport.mgt.sms.handler.api.service.impl.ConfigurationManagementServiceImpl"/>
+    <bean id="jsonProvider" class="io.entgra.transport.mgt.sms.handler.api.service.addons.GsonMessageBodyHandler"/>
+
+</beans>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
+    <display-name>Admin-Webapp</display-name>
+    <servlet>
+        <description>JAX-WS/JAX-RS Device Management Endpoint</description>
+        <display-name>JAX-WS/JAX-RS Servlet</display-name>
+        <servlet-name>CXFServlet</servlet-name>
+        <servlet-class>
+            org.apache.cxf.transport.servlet.CXFServlet
+        </servlet-class>
+        <!-- configure a security filter -->
+        <init-param>
+            <param-name>swagger.security.filter</param-name>
+            <param-value>ApiAuthorizationFilterImpl</param-value>
+        </init-param>
+        <load-on-startup>1</load-on-startup>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>CXFServlet</servlet-name>
+        <url-pattern>/*</url-pattern>
+    </servlet-mapping>
+    <session-config>
+        <session-timeout>60</session-timeout>
+    </session-config>
+
+    <context-param>
+        <param-name>doAuthentication</param-name>
+        <param-value>true</param-value>
+    </context-param>
+
+    <context-param>
+        <param-name>nonSecuredEndPoints</param-name>
+        <param-value></param-value>
+    </context-param>
+
+    <!--publish to apim-->
+    <context-param>
+        <param-name>managed-api-enabled</param-name>
+        <param-value>true</param-value>
+    </context-param>
+    <context-param>
+        <param-name>managed-api-owner</param-name>
+        <param-value>admin</param-value>
+    </context-param>
+    <context-param>
+        <param-name>isSharedWithAllTenants</param-name>
+        <param-value>true</param-value>
+    </context-param>
+
+    <!-- Below configuration is used to redirect http requests to https -->
+    <security-constraint>
+        <web-resource-collection>
+            <web-resource-name>SMSMgt-Admin</web-resource-name>
+            <url-pattern>/*</url-pattern>
+        </web-resource-collection>
+        <user-data-constraint>
+            <transport-guarantee>CONFIDENTIAL</transport-guarantee>
+        </user-data-constraint>
+    </security-constraint>
+
+    <filter>
+        <filter-name>ApiOriginFilter</filter-name>
+        <filter-class>io.entgra.transport.mgt.sms.handler.api.service.addons.ApiOriginFilter</filter-class>
+    </filter>
+
+    <filter-mapping>
+        <filter-name>ApiOriginFilter</filter-name>
+        <url-pattern>/*</url-pattern>
+    </filter-mapping>
+
+</web-app>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/pom.xml

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>sms-handler</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.transport.mgt.sms.handler.common</artifactId>
+    <packaging>bundle</packaging>
+    <name>Entgra IoT - SMS Management Common</name>
+    <description>Entgra IoT - SMS Management Common</description>
+    <url>http://entgra.io</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <extensions>true</extensions>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Name>${project.artifactId}</Bundle-Name>
+                        <Bundle-Version>${carbon.device.mgt.version}</Bundle-Version>
+                        <Bundle-Description>SMS Management Common Bundle</Bundle-Description>
+                        <Export-Package>
+                            io.entgra.transport.mgt.sms.handler.common.*
+                        </Export-Package>
+                        <Import-Package>
+                            io.swagger.annotations; version="${swagger.annotations.version}"; resolution:=optional,
+                        </Import-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <configuration>
+                    <destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>jacoco-initialize</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>jacoco-site</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                        <configuration>
+                            <dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
+                            <outputDirectory>${basedir}/target/coverage-reports/site</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-annotations</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+
+</project>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/SMSHandlerConstants.java

@@ -0,0 +1,10 @@
+package io.entgra.transport.mgt.sms.handler.common;
+
+/**
+ * This class holds SMS Management Constants
+ */
+public final class SMSHandlerConstants {
+
+    public static final String SCOPE = "scope";
+    public static final String SMS_CONFIG_XML_NAME = "sms-config.xml";
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/bean/SMSMessage.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.bean;
+
+import io.swagger.annotations.ApiModelProperty;
+
+/**
+ * This class hold the SMS Message
+ */
+public class SMSMessage {
+
+    @ApiModelProperty(
+            name = "from",
+            value = "Sender's number.",
+            required = true
+    )
+    private String from;
+
+    @ApiModelProperty(
+            name = "to",
+            value = "Recipient's number."
+    )
+    private String to;
+
+    @ApiModelProperty(
+            name = "body",
+            value = "SMS message content.",
+            required = true
+    )
+    private String body;
+
+    public String getFrom() {
+        return from;
+    }
+
+    public void setFrom(String from) {
+        this.from = from;
+    }
+
+    public String getTo() {
+        return to;
+    }
+
+    public void setTo(String to) {
+        this.to = to;
+    }
+
+    public String getBody() {
+        return body;
+    }
+
+    public void setBody(String body) {
+        this.body = body;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/config/Property.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.config;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlValue;
+
+@XmlRootElement(name = "Property")
+public class Property {
+
+    private String name;
+    private String value;
+
+    @XmlAttribute(name = "name")
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @XmlValue
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/config/SMSConfiguration.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.config;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+@XmlRootElement(name = "SMSConfiguration")
+public class SMSConfiguration {
+
+    private List<SMSGateway> smsGateways;
+
+    @XmlElementWrapper(name = "Gateways")
+    @XmlElement(name = "Gateway")
+    public List<SMSGateway> getSMSGateways() {
+        return smsGateways;
+    }
+
+    public void setSMSGateways(List<SMSGateway> smsGateways) {
+        this.smsGateways = smsGateways;
+    }
+
+    /**
+     * Retrieve the default SMS Gateway as defined in the SMS configuration.
+     * @return default {@link SMSGateway}
+     */
+    public SMSGateway getDefaultSMSGateway() {
+        for (SMSGateway smsGateway : smsGateways) {
+            if (smsGateway.isDefault()) {
+                return smsGateway;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Retrieve SMS Gateway by the provided Gateway Name
+     * @param gatewayName has the name of the Gateway to be retrieved
+     * @return retrieved {@link SMSGateway}
+     */
+    public SMSGateway getSMSGateway(String gatewayName) {
+        for (SMSGateway smsGateway : smsGateways) {
+            if (gatewayName.equals(smsGateway.getName())) {
+                return smsGateway;
+            }
+        }
+        return null;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/config/SMSGateway.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.config;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+@XmlRootElement(name = "Gateway")
+public class SMSGateway {
+
+    private String name;
+    private String extensionClass;
+    private boolean isDefault;
+    private List<Property> properties;
+
+    @XmlAttribute(name = "name")
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @XmlAttribute(name = "extensionClass")
+    public String getExtensionClass() {
+        return extensionClass;
+    }
+
+    public void setExtensionClass(String extensionClass) {
+        this.extensionClass = extensionClass;
+    }
+
+    @XmlAttribute(name = "isDefault")
+    public boolean isDefault() {
+        return isDefault;
+    }
+
+    public void setDefault(boolean aDefault) {
+        isDefault = aDefault;
+    }
+
+    @XmlElementWrapper(name = "Properties")
+    @XmlElement(name = "Property")
+    public List<Property> getProperties() {
+        return properties;
+    }
+
+    public void setProperties(List<Property> properties) {
+        this.properties = properties;
+    }
+
+    /**
+     * Retrives the Property based on the provided property name
+     * @param propertyName has the name of the Property to be retrieved
+     * @return retrieved {@link Property}
+     */
+    public Property getPropertyByName(String propertyName) {
+        for (Property property : properties) {
+            if (propertyName.equals(property.getName())) {
+                return property;
+            }
+        }
+        return null;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/exception/SMSSenderException.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.exception;
+
+/**
+ * Exception that will be thrown during SMS Sender Management
+ */
+public class SMSSenderException extends Exception {
+
+    private static final long serialVersionUID = 3570365211845277909L;
+
+    public SMSSenderException(String msg, Exception nestedEx) {
+        super(msg, nestedEx);
+    }
+
+    public SMSSenderException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public SMSSenderException(String msg) {
+        super(msg);
+    }
+
+    public SMSSenderException() {
+        super();
+    }
+
+    public SMSSenderException(Throwable cause) {
+        super(cause);
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.common/src/main/java/io/entgra/transport/mgt/sms/handler/common/spi/SMSSender.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.common.spi;
+
+import io.entgra.transport.mgt.sms.handler.common.bean.SMSMessage;
+import io.entgra.transport.mgt.sms.handler.common.exception.SMSSenderException;
+
+/**
+ * Manages the sending of SMS.
+ * This interface can be implemented by SMS Senders and specific implementation can be done
+ * depending on the SMS Sender.
+ */
+public interface SMSSender {
+
+    /**
+     * Responsible for sending SMS.
+     * This method can be implemented by the relevant SMS Senders for specific sender related implementation.
+     * @param smsMessage which has data on the SMS to be send
+     * @throws SMSSenderException catches all other exception and {@link SMSSenderException} is thrown
+     */
+    void sendSMS(SMSMessage smsMessage) throws SMSSenderException;
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.core/pom.xml

@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>sms-handler</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.transport.mgt.sms.handler.core</artifactId>
+    <packaging>bundle</packaging>
+    <name>Entgra IoT - SMS Management Core</name>
+    <description>Entgra IoT - SMS Management Core</description>
+    <url>http://entgra.io</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-scr-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <configuration>
+                    <destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>jacoco-initialize</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>jacoco-site</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                        <configuration>
+                            <dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
+                            <outputDirectory>${basedir}/target/coverage-reports/site</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <extensions>true</extensions>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Name>${project.artifactId}</Bundle-Name>
+                        <Bundle-Version>${carbon.device.mgt.version}</Bundle-Version>
+                        <Bundle-Description>SMS Management Core Bundle</Bundle-Description>
+                        <Private-Package>io.entgra.transport.mgt.sms.handler.core.internal</Private-Package>
+                        <Import-Package>
+                            io.entgra.transport.mgt.sms.handler.common.*,
+                            javax.xml.parsers;version="${javax.xml.parsers.import.pkg.version}";resolution:=optional,
+                            javax.xml.bind.annotation,
+                            javax.xml.bind,
+                            org.apache.commons.lang,
+                            org.wso2.carbon,
+                            org.wso2.carbon.device.mgt.common.*,
+                            org.wso2.carbon.device.mgt.core.*
+                        </Import-Package>
+                        <Export-Package>
+                            !io.entgra.transport.mgt.sms.handler.core.internal,
+                            io.entgra.transport.mgt.sms.handler.core.*
+                        </Export-Package>
+                        <DynamicImport-Package>*</DynamicImport-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.logging</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>io.entgra.transport.mgt.sms.handler.common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.device.mgt.core</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.device.mgt.common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+
+
+</project>

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.core/src/main/java/io/entgra/transport/mgt/sms/handler/core/SMSSenderFactory.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.core;
+
+import io.entgra.transport.mgt.sms.handler.common.config.SMSGateway;
+import io.entgra.transport.mgt.sms.handler.common.spi.SMSSender;
+import io.entgra.transport.mgt.sms.handler.core.config.SMSConfigurationManager;
+import org.apache.commons.lang.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Factory class to retrieve the relevant SMSSender based on SMS Configuration.
+ * There can be multiple SMSSender Implementation and an instance of that specific SMSSender can be
+ * created and retrieved via this factory class.
+ */
+public class SMSSenderFactory {
+
+    private static final Log log = LogFactory.getLog(SMSSenderFactory.class);
+
+    /**
+     * Retrieve the SMSSender based on the default SMS Gateway in SMS configuration.
+     * @return an instance of {@link SMSSender}
+     */
+    public static SMSSender getSMSSender() {
+        SMSGateway smsGateway = SMSConfigurationManager.getInstance().getSMSConfig().getDefaultSMSGateway();
+        if (smsGateway != null) {
+            return getSMSSender(smsGateway.getExtensionClass());
+        }
+        return null;
+    }
+
+    /**
+     * Retrieve the SMSSender based on the provided extension class name.
+     * @param extensionClass has the class name of the implemented SMSSender using which
+     *                       an instance of SMSSender is created
+     * @return an instance of {@link SMSSender}
+     */
+    public static SMSSender getSMSSender(String extensionClass) {
+        if (StringUtils.isNotBlank(extensionClass)) {
+            try {
+                Class<?> clz = Class.forName(extensionClass);
+                return (SMSSender) clz.newInstance();
+            } catch (ClassNotFoundException e) {
+                log.error("Extension class '" + extensionClass + "' cannot be located", e);
+            } catch (IllegalAccessException e) {
+                log.error("Can't access  the class '" + extensionClass
+                        + "' or its nullary constructor is not accessible", e);
+            } catch (InstantiationException e) {
+                log.error("Extension class '" + extensionClass + "' instantiation is failed", e);
+            }
+        }
+        return null;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.core/src/main/java/io/entgra/transport/mgt/sms/handler/core/config/SMSConfigurationManager.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.core.config;
+
+import io.entgra.transport.mgt.sms.handler.common.SMSHandlerConstants;
+import io.entgra.transport.mgt.sms.handler.common.config.SMSConfiguration;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.w3c.dom.Document;
+import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException;
+import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
+import org.wso2.carbon.utils.CarbonUtils;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+import java.io.File;
+
+/**
+ * Responsible for the SMS configuration initialization.
+ */
+public class SMSConfigurationManager {
+
+    private static final Log log = LogFactory.getLog(SMSConfigurationManager.class);
+    private static SMSConfigurationManager smsConfigurationManager;
+    private SMSConfiguration smsConfiguration;
+    private static final String SMS_CONFIG_PATH = CarbonUtils.getCarbonConfigDirPath() + File.separator
+            + SMSHandlerConstants.SMS_CONFIG_XML_NAME;
+
+    /**
+     * Retrieve an instance of {@link SMSConfigurationManager}
+     * @return an instance of {@link SMSConfigurationManager}
+     */
+    public static SMSConfigurationManager getInstance() {
+        if (smsConfigurationManager == null) {
+            synchronized (SMSConfigurationManager.class) {
+                if (smsConfigurationManager == null) {
+                    smsConfigurationManager = new SMSConfigurationManager();
+                }
+            }
+        }
+        return smsConfigurationManager;
+    }
+
+    /**
+     * Initialize the SMS Configuration through the provided configuration location
+     * @param configLocation has the path of the SMS configuration file
+     * @throws DeviceManagementException throws when there are any errors during the initialization of
+     * SMS configuration
+     */
+    public synchronized void initConfig(String configLocation) throws DeviceManagementException {
+        try {
+            File smsConfig = new File(configLocation);
+            Document doc = DeviceManagerUtil.convertToDocument(smsConfig);
+
+            /* Un-marshaling SMS configuration */
+            JAXBContext smsContext = JAXBContext.newInstance(SMSConfiguration.class);
+            Unmarshaller unmarshaller = smsContext.createUnmarshaller();
+            this.smsConfiguration = (SMSConfiguration) unmarshaller.unmarshal(doc);
+        } catch (JAXBException e) {
+            String msg = "Error occurred while initializing SMS config '" + configLocation + "'";
+            log.error(msg, e);
+            throw new DeviceManagementException(msg, e);
+        }
+    }
+
+    /**
+     * Initialize the SMS Configuration through the sms-config.xml file in the SMS_CONFIG_PATH
+     * @throws DeviceManagementException throws when there are any errors during the initialization of
+     * SMS configuration
+     */
+    public void initConfig() throws DeviceManagementException {
+        this.initConfig(SMS_CONFIG_PATH);
+    }
+
+    /**
+     * Retrieves the initialized {@link SMSConfiguration}
+     * @return the initialized {@link SMSConfiguration}
+     */
+    public SMSConfiguration getSMSConfig() {
+        return smsConfiguration;
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.core/src/main/java/io/entgra/transport/mgt/sms/handler/core/impl/SampleSenderImpl.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.core.impl;
+
+import io.entgra.transport.mgt.sms.handler.common.bean.SMSMessage;
+import io.entgra.transport.mgt.sms.handler.common.config.SMSGateway;
+import io.entgra.transport.mgt.sms.handler.common.exception.SMSSenderException;
+import io.entgra.transport.mgt.sms.handler.common.spi.SMSSender;
+import io.entgra.transport.mgt.sms.handler.core.config.SMSConfigurationManager;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Sample sender class on how to implement the SMSSender
+ */
+public class SampleSenderImpl implements SMSSender {
+
+    private static final Log log = LogFactory.getLog(SampleSenderImpl.class);
+
+    @Override
+    public void sendSMS(SMSMessage smsMessage) throws SMSSenderException {
+
+        //Retrieve the default (isDefault=true) SMS Gateway in the SMS configuration in sms-config.xml
+        SMSGateway smsGateway = SMSConfigurationManager.getInstance().getSMSConfig().getDefaultSMSGateway();
+
+        //Retrieve the SMS Gateway by passing the Gateway name
+        smsGateway = SMSConfigurationManager.getInstance().getSMSConfig().getSMSGateway("sample");
+
+        //Retrieve the properties in the SMS Gateway by passing the property name
+        String sampleProperty = smsGateway.getPropertyByName("sample-property").getValue();
+
+        if (log.isDebugEnabled()) {
+            log.debug("This is a Sample Sender Implementation and the property value retrieved is '"
+                    + sampleProperty + "'");
+        }
+
+        //If any exception is catched, wrap and throw as SMSSenderException
+    }
+}

components/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.core/src/main/java/io/entgra/transport/mgt/sms/handler/core/internal/SMSHandlerServiceComponent.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package io.entgra.transport.mgt.sms.handler.core.internal;
+
+import io.entgra.transport.mgt.sms.handler.core.config.SMSConfigurationManager;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.osgi.service.component.ComponentContext;
+
+/**
+ * @scr.component
+ * name="io.entgra.transport.mgt.sms.handler.core.internal.SMSHandlerServiceComponent" immediate="true"
+ */
+public class SMSHandlerServiceComponent {
+
+    private static final Log log = LogFactory.getLog(SMSHandlerServiceComponent.class);
+
+    protected void activate(ComponentContext ctx) {
+
+        if (log.isDebugEnabled()) {
+            log.debug("Activating SMS Handler Service Component");
+        }
+        try {
+            SMSConfigurationManager.getInstance().initConfig();
+
+            if (log.isDebugEnabled()) {
+                log.debug("SMS Handler Service Component has been successfully activated");
+            }
+        } catch (Throwable e) {
+            log.error("Error occurred while activating SMS Handler Service Component", e);
+        }
+    }
+
+    protected void deactivate(ComponentContext ctx) {
+        if (log.isDebugEnabled()) {
+            log.debug("De-activating SMS Handler Service Component");
+        }
+    }
+}

components/transport-mgt/sms-handler/pom.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>transport-mgt</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>sms-handler</artifactId>
+    <packaging>pom</packaging>
+    <name>Entgra IoT - SMS Management Component</name>
+    <url>http://entgra.io</url>
+
+
+    <modules>
+        <module>io.entgra.transport.mgt.sms.handler.core</module>
+        <module>io.entgra.transport.mgt.sms.handler.common</module>
+        <module>io.entgra.transport.mgt.sms.handler.api</module>
+    </modules>
+
+</project>

features/transport-mgt/email-sender/org.wso2.carbon.email.sender.feature/pom.xml

@@ -87,7 +87,7 @@
                         </goals>
                         <configuration>
                             <id>org.wso2.carbon.email.sender</id>
-                            <propertiesFile>../../../features/etc/feature.properties</propertiesFile>
+                            <propertiesFile>../../../etc/feature.properties</propertiesFile>
                             <adviceFile>
                                 <properties>
                                     <propertyDef>org.wso2.carbon.p2.category.type:server</propertyDef>

features/transport-mgt/email-sender/pom.xml

@@ -21,9 +21,9 @@
 
     <parent>
         <groupId>org.wso2.carbon.devicemgt</groupId>
-        <artifactId>carbon-devicemgt</artifactId>
+        <artifactId>transport-mgt-feature</artifactId>
         <version>4.1.12-SNAPSHOT</version>
-        <relativePath>../../pom.xml</relativePath>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>

features/transport-mgt/pom.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>carbon-devicemgt</artifactId>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>transport-mgt-feature</artifactId>
+    <packaging>pom</packaging>
+    <name>Entgra IoT - Transport Feature</name>
+    <url>http://entgra.io</url>
+
+    <modules>
+        <module>sms-handler</module>
+        <module>email-sender</module>
+    </modules>
+</project>

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api.feature/pom.xml

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>sms-handler-feature</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.transport.mgt.sms.handler.api.feature</artifactId>
+    <packaging>pom</packaging>
+    <version>4.1.12-SNAPSHOT</version>
+    <name>Entgra IoT - SMS Management API Feature</name>
+    <url>https://entgra.io</url>
+    <description>This feature contains the APIs required for SMS Management</description>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>sms-mgt-copy</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>org.wso2.carbon.devicemgt</groupId>
+                                    <artifactId>io.entgra.transport.mgt.sms.handler.api</artifactId>
+                                    <version>${project.version}</version>
+                                    <type>war</type>
+                                    <overWrite>true</overWrite>
+                                    <outputDirectory>
+                                        ${project.build.directory}/maven-shared-archive-resources/webapps
+                                    </outputDirectory>
+                                    <destFileName>api#sms-handler#v1.0.war</destFileName>
+                                </artifactItem>
+                            </artifactItems>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-resources</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>copy-resources</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>src/main/resources</outputDirectory>
+                            <resources>
+                                <resource>
+                                    <directory>resources</directory>
+                                    <includes>
+                                        <include>build.properties</include>
+                                        <include>p2.inf</include>
+                                    </includes>
+                                </resource>
+                            </resources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.wso2.maven</groupId>
+                <artifactId>carbon-p2-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>p2-feature-generation</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>p2-feature-gen</goal>
+                        </goals>
+                        <configuration>
+                            <id>io.entgra.transport.mgt.sms.handler.api</id>
+                            <propertiesFile>../../../etc/feature.properties
+                            </propertiesFile>
+                            <adviceFile>
+                                <properties>
+                                    <propertyDef>org.wso2.carbon.p2.category.type:server
+                                    </propertyDef>
+                                    <propertyDef>org.eclipse.equinox.p2.type.group:false
+                                    </propertyDef>
+                                </properties>
+                            </adviceFile>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api.feature/src/main/resources/build.properties

@@ -0,0 +1 @@
+custom = true

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.api.feature/src/main/resources/p2.inf

@@ -0,0 +1,3 @@
+instructions.configure = \
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/webapps/);\
+org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/io.entgra.transport.mgt.sms.handler.api_${feature.version}/webapps/api#sms-handler#v1.0.war,target:${installFolder}/../../deployment/server/webapps/api#sms-handler#v1.0.war,overwrite:true);\

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.server.feature/pom.xml

@@ -0,0 +1,116 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>sms-handler-feature</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.transport.mgt.sms.handler.server.feature</artifactId>
+    <packaging>pom</packaging>
+    <version>4.1.12-SNAPSHOT</version>
+    <name>Entgra IoT - SMS Management Server Feature</name>
+    <url>https://entgra.io</url>
+    <description>This feature contains the core bundles required for Back-end SMS Management functionality
+    </description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>io.entgra.transport.mgt.sms.handler.core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>io.entgra.transport.mgt.sms.handler.common</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>2.6</version>
+                <executions>
+                    <execution>
+                        <id>copy-resources</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>copy-resources</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>src/main/resources</outputDirectory>
+                            <resources>
+                                <resource>
+                                    <directory>resources</directory>
+                                    <includes>
+                                        <include>build.properties</include>
+                                        <include>p2.inf</include>
+                                    </includes>
+                                </resource>
+                            </resources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.wso2.maven</groupId>
+                <artifactId>carbon-p2-plugin</artifactId>
+                <version>${carbon.p2.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>p2-feature-generation</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>p2-feature-gen</goal>
+                        </goals>
+                        <configuration>
+                            <id>io.entgra.transport.mgt.sms.handler.server</id>
+                            <propertiesFile>../../../etc/feature.properties</propertiesFile>
+                            <adviceFile>
+                                <properties>
+                                    <propertyDef>org.wso2.carbon.p2.category.type:server</propertyDef>
+                                    <propertyDef>org.eclipse.equinox.p2.type.group:false</propertyDef>
+                                </properties>
+                            </adviceFile>
+                            <bundles>
+                                <bundleDef>
+                                    org.wso2.carbon.devicemgt:io.entgra.transport.mgt.sms.handler.core:${carbon.device.mgt.version}
+                                </bundleDef>
+                                <bundleDef>
+                                    org.wso2.carbon.devicemgt:io.entgra.transport.mgt.sms.handler.common:${carbon.device.mgt.version}
+                                </bundleDef>
+                            </bundles>
+                            <importBundles>
+                            </importBundles>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.server.feature/src/main/resources/conf/sms-config.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<SMSConfiguration>
+    <Gateways>
+        <!-- multiple gateways can be listed and the gateway having the isDefault=true is picked up or gateway
+        extensionClass can be passed and relevant impl can be used-->
+        <Gateway name="sample" extensionClass="io.entgra.transport.mgt.sms.handler.core.impl.SampleSenderImpl" isDefault="true">
+            <!-- properties can be listed and can be picked up in the relevant implementation class as required-->
+            <Properties>
+                <Property name="sample-property">sample</Property>
+                <Property name="country-code">+94</Property>
+                <Property name="max-msg-size">160</Property>
+            </Properties>
+        </Gateway>
+    </Gateways>
+</SMSConfiguration>

features/transport-mgt/sms-handler/io.entgra.transport.mgt.sms.handler.server.feature/src/main/resources/p2.inf

@@ -0,0 +1,4 @@
+instructions.configure = \
+org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/io.entgra.transport.mgt.sms.handler.server_${feature.version}/conf/sms-config.xml,target:${installFolder}/../../conf/sms-config.xml,overwrite:true);\
+
+instructions.unconfigure = \

features/transport-mgt/sms-handler/pom.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+~
+~ Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+~ Version 2.0 (the "License"); you may not use this file except
+~ in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~    http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing,
+~ software distributed under the License is distributed on an
+~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~ KIND, either express or implied. See the License for the
+~ specific language governing permissions and limitations
+~ under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt</groupId>
+        <artifactId>transport-mgt-feature</artifactId>
+        <version>4.1.12-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>sms-handler-feature</artifactId>
+    <packaging>pom</packaging>
+    <name>Entgra IoT - SMS Management Feature</name>
+    <url>http://entgra.io</url>
+
+    <modules>
+        <module>io.entgra.transport.mgt.sms.handler.server.feature</module>
+        <module>io.entgra.transport.mgt.sms.handler.api.feature</module>
+    </modules>
+
+</project>

pom.xml

@@ -44,8 +44,8 @@
         <module>components/policy-mgt</module>
         <module>components/certificate-mgt</module>
         <module>components/webapp-authenticator-framework</module>
-        <module>components/email-sender</module>
         <module>components/ui-request-interceptor</module>
+        <module>components/transport-mgt</module>
         <module>features/device-mgt</module>
         <module>features/apimgt-extensions</module>
         <module>features/application-mgt</module>
@@ -53,11 +53,11 @@
         <module>features/webapp-authenticator-framework</module>
         <module>features/certificate-mgt</module>
         <module>features/oauth-extensions</module>
-        <module>features/email-sender</module>
         <module>features/heartbeat-management</module>
         <module>features/ui-request-interceptor</module>
         <module>features/jwt-client</module>
 	    <module>features/device-mgt-extensions</module>
+        <module>features/transport-mgt</module>
     </modules>
 
     <dependencyManagement>
@@ -383,6 +383,16 @@
                 <artifactId>io.entgra.server.bootup.heartbeat.beacon</artifactId>
                 <version>${carbon.device.mgt.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.wso2.carbon.devicemgt</groupId>
+                <artifactId>io.entgra.transport.mgt.sms.handler.core</artifactId>
+                <version>${carbon.device.mgt.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.wso2.carbon.devicemgt</groupId>
+                <artifactId>io.entgra.transport.mgt.sms.handler.common</artifactId>
+                <version>${carbon.device.mgt.version}</version>
+            </dependency>
             <!-- Device Management dependencies -->
 
             <!-- Governance dependencies -->