Add identity server config

Add api to create identity server
Return List of identity servers withtout extra bean for response

components/application-mgt/io.entgra.application.mgt.common/src/main/java/io/entgra/application/mgt/common/IdentityServer.java

@@ -20,11 +20,12 @@ package io.entgra.application.mgt.common;
 
 public class IdentityServer {
     private int id;
+    private String providerName;
     private String name;
     private String description;
     private String url;
-    private String spAppsUri;
+    private String apiUrl;
-    private String spAppsApi;
+    private String serviceProviderAppsUrl;
     private String userName;
     private String password;
 
@@ -60,22 +61,6 @@ public class IdentityServer {
         this.url = url;
     }
 
-    public String getSpAppsUri() {
-        return spAppsUri;
-    }
-
-    public void setSpAppsURI(String spAppsUri) {
-        this.spAppsUri = spAppsUri;
-    }
-
-    public String getSpAppsApi() {
-        return spAppsApi;
-    }
-
-    public void setSpAppsApi(String spAppsApi) {
-        this.spAppsApi = spAppsApi;
-    }
-
     public String getPassword() {
         return password;
     }
@@ -91,4 +76,28 @@ public class IdentityServer {
     public void setUserName(String userName) {
         this.userName = userName;
     }
+
+    public String getProviderName() {
+        return providerName;
+    }
+
+    public void setProviderName(String providerName) {
+        this.providerName = providerName;
+    }
+
+    public String getApiUrl() {
+        return apiUrl;
+    }
+
+    public void setApiUrl(String apiUrl) {
+        this.apiUrl = apiUrl;
+    }
+
+    public String getServiceProviderAppsUrl() {
+        return serviceProviderAppsUrl;
+    }
+
+    public void setServiceProviderAppsUrl(String serviceProviderAppsUrl) {
+        this.serviceProviderAppsUrl = serviceProviderAppsUrl;
+    }
 }

components/application-mgt/io.entgra.application.mgt.common/src/main/java/io/entgra/application/mgt/common/IdentityServerList.java

@@ -18,16 +18,18 @@
 
 package io.entgra.application.mgt.common;
 
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
+
 import java.util.List;
 
 public class IdentityServerList {
-    private List<IdentityServer> identityServers;
+    private List<IdentityServerDTO> identityServers;
 
-    public List<IdentityServer> getIdentityServers() {
+    public List<IdentityServerDTO> getIdentityServers() {
         return identityServers;
     }
 
-    public void setIdentityServers(List<IdentityServer> identityServers) {
+    public void setIdentityServers(List<IdentityServerDTO> identityServers) {
         this.identityServers = identityServers;
     }
 }

components/application-mgt/io.entgra.application.mgt.common/src/main/java/io/entgra/application/mgt/common/dto/IdentityServerDTO.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2022, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ * WSO2 Inc. 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.application.mgt.common.dto;
+
+public class IdentityServerDTO {
+    private int id;
+    private String providerName;
+    private String name;
+    private String description;
+    private String url;
+    private String apiUrl;
+    private String userName;
+    private String password;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getProviderName() {
+        return providerName;
+    }
+
+    public void setProviderName(String providerName) {
+        this.providerName = providerName;
+    }
+
+    public String getApiUrl() {
+        return apiUrl;
+    }
+
+    public void setApiUrl(String apiUrl) {
+        this.apiUrl = apiUrl;
+    }
+}

components/application-mgt/io.entgra.application.mgt.common/src/main/java/io/entgra/application/mgt/common/services/SPApplicationManager.java

@@ -19,7 +19,7 @@
 package io.entgra.application.mgt.common.services;
 
 import io.entgra.application.mgt.common.IdentityServer;
-import io.entgra.application.mgt.common.IdentityServerList;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.SPApplication;
 import io.entgra.application.mgt.common.exception.ApplicationManagementException;
 import io.entgra.application.mgt.common.exception.RequestValidatingException;
@@ -70,7 +70,9 @@ public interface SPApplicationManager {
      * @return Available identity servers
      * @throws ApplicationManagementException if error occurred while getting identity servers
      */
-    IdentityServerList getIdentityServers() throws ApplicationManagementException;
+    List<IdentityServer> getIdentityServers() throws ApplicationManagementException;
+
+    IdentityServer createIdentityServer(IdentityServerDTO identityServerDTO) throws ApplicationManagementException;
 
     /**
      *

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/config/ConfigurationManager.java

@@ -36,8 +36,12 @@ public class ConfigurationManager {
 
     private Configuration configuration;
 
+    private IdentityServerConfiguration identityServerConfiguration;
+
     private static String configPath;
 
+    private static String identityServerConfigPath;
+
     private static volatile ConfigurationManager configurationManager;
 
     private ConfigurationManager() {
@@ -60,6 +64,14 @@ public class ConfigurationManager {
         return configurationManager;
     }
 
+    public static synchronized void setIdentityServerConfigPathConfigLocation(String configPath) throws InvalidConfigurationException {
+        if (identityServerConfigPath == null) {
+            identityServerConfigPath = configPath;
+        } else {
+            throw new InvalidConfigurationException("Configuration path " + configPath + " is already defined");
+        }
+    }
+
     public static synchronized void setConfigLocation(String configPath) throws InvalidConfigurationException {
         if (ConfigurationManager.configPath == null) {
             ConfigurationManager.configPath = configPath;
@@ -74,9 +86,11 @@ public class ConfigurationManager {
             Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
             if (configPath == null) {
                 configPath = Constants.DEFAULT_CONFIG_FILE_LOCATION;
+                identityServerConfigPath = Constants.DEFAULT_IDENTITY_SERVERS_CONFIG_FILE_LOCATION;
             }
             //TODO: Add validation for the configurations
             this.configuration = (Configuration) unmarshaller.unmarshal(new File(configPath));
+            this.identityServerConfiguration = (IdentityServerConfiguration) unmarshaller.unmarshal(new File(identityServerConfigPath));
         } catch (Exception e) {
             log.error(e);
             throw new InvalidConfigurationException("Error occurred while initializing application config: "
@@ -88,6 +102,10 @@ public class ConfigurationManager {
         return configuration;
     }
 
+    public IdentityServerConfiguration getIdentityServerConfiguration() {
+        return identityServerConfiguration;
+    }
+
     public Extension getExtension(Extension.Name extName) throws InvalidConfigurationException {
         for (Extension extension : configuration.getExtensions()) {
             if (extension.getName().contentEquals(extName.toString())) {

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/config/IdentityServerConfiguration.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2019, Entgra (pvt) Ltd. (http://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.application.mgt.core.config;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+/**
+ * Represents the Application Management Configuration.
+ */
+@XmlRootElement(name = "IdentityServerConfiguration")
+public class IdentityServerConfiguration {
+
+    private List<IdentityServerDetail> identityServers;
+
+    @XmlElementWrapper(name = "IdentityServers")
+    @XmlElement(name = "IdentityServerDTO")
+    public List<IdentityServerDetail> getIdentityServers() {
+        return identityServers;
+    }
+
+    public IdentityServerDetail getIdentityServerDetailByProviderName(String identityServerProviderName) {
+        for (IdentityServerDetail identityServerDetail : identityServers) {
+            if (identityServerDetail.getProviderName().equals(identityServerProviderName)) {
+                return identityServerDetail;
+            }
+        }
+        return null;
+    }
+
+    public void setIdentityServers(List<IdentityServerDetail> identityServers) {
+        this.identityServers = identityServers;
+    }
+}
+

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/config/IdentityServerDetail.java

@@ -0,0 +1,37 @@
+package io.entgra.application.mgt.core.config;
+
+import javax.xml.bind.annotation.XmlAttribute;
+
+public class IdentityServerDetail {
+    private String providerName;
+    private String serviceProvidersPageUri;
+    private String serviceProvidersAPIContextPath;
+
+    @XmlAttribute(name = "ProviderName")
+    public String getProviderName() {
+        return providerName;
+    }
+
+    public void setProviderName(String providerName) {
+        this.providerName = providerName;
+    }
+
+
+    @XmlAttribute(name = "ServiceProvidersPageUri")
+    public String getServiceProvidersPageUri() {
+        return serviceProvidersPageUri;
+    }
+
+    public void setServiceProvidersPageUri(String serviceProvidersPageUri) {
+        this.serviceProvidersPageUri = serviceProvidersPageUri;
+    }
+
+    @XmlAttribute(name = "ServiceProvidersAPIContextPath")
+    public String getServiceProvidersAPIContextPath() {
+        return serviceProvidersAPIContextPath;
+    }
+
+    public void setServiceProvidersAPIContextPath(String serviceProvidersAPIContextPath) {
+        this.serviceProvidersAPIContextPath = serviceProvidersAPIContextPath;
+    }
+}

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/SPApplicationDAO.java

@@ -18,7 +18,7 @@
 
 package io.entgra.application.mgt.core.dao;
 
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.core.exception.ApplicationManagementDAOException;
 
@@ -26,6 +26,8 @@ import java.util.List;
 
 public interface SPApplicationDAO {
 
+    int createIdentityServer(IdentityServerDTO identityServer, int tenantId) throws ApplicationManagementDAOException;
+
     /**
      *
      * @param identityServerId Id of identity server in which the service provider is in
@@ -59,7 +61,7 @@ public interface SPApplicationDAO {
      * @return All available identity servers
      * @throws ApplicationManagementDAOException if any db error occurred
      */
-    List<IdentityServer> getIdentityServers(int tenantId) throws ApplicationManagementDAOException;
+    List<IdentityServerDTO> getIdentityServers(int tenantId) throws ApplicationManagementDAOException;
 
     /**
      *
@@ -67,7 +69,7 @@ public interface SPApplicationDAO {
      * @return Identity Server of the given id
      * @throws ApplicationManagementDAOException if any db error occurred
      */
-    IdentityServer getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException;
+    IdentityServerDTO getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException;
 
     /**
      * Verify whether application exist for given identity server id, service provider id and application id.

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java

@@ -17,9 +17,6 @@
  */
 package io.entgra.application.mgt.core.dao.impl.application;
 
-import io.entgra.application.mgt.common.ApplicationType;
-import io.entgra.application.mgt.common.IdentityServer;
-import io.entgra.application.mgt.core.util.Constants;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -27,7 +24,6 @@ import io.entgra.application.mgt.common.AppLifecycleState;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.dto.CategoryDTO;
 import io.entgra.application.mgt.common.Filter;
-import io.entgra.application.mgt.common.dto.ReviewDTO;
 import io.entgra.application.mgt.common.dto.TagDTO;
 import io.entgra.application.mgt.common.exception.DBConnectionException;
 import io.entgra.application.mgt.core.dao.ApplicationDAO;

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/impl/application/spapplication/GenericSPApplicationDAOImpl.java

@@ -18,7 +18,7 @@
 
 package io.entgra.application.mgt.core.dao.impl.application.spapplication;
 
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.exception.DBConnectionException;
 import io.entgra.application.mgt.core.dao.SPApplicationDAO;
@@ -40,7 +40,7 @@ public class GenericSPApplicationDAOImpl extends AbstractDAOImpl implements SPAp
 
     private static final Log log = LogFactory.getLog(GenericApplicationDAOImpl.class);
     @Override
-    public List<IdentityServer> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
+    public List<IdentityServerDTO> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ?";
@@ -67,7 +67,7 @@ public class GenericSPApplicationDAOImpl extends AbstractDAOImpl implements SPAp
     }
 
     @Override
-    public IdentityServer getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
+    public IdentityServerDTO getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API,  TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ? AND "
@@ -99,6 +99,46 @@ public class GenericSPApplicationDAOImpl extends AbstractDAOImpl implements SPAp
         }
     }
 
+    @Override
+    public int createIdentityServer(IdentityServerDTO identityServerDTO, int tenantId) throws ApplicationManagementDAOException {
+        if (log.isDebugEnabled()) {
+            log.debug("Request received in DAO Layer to create an identity server");
+        }
+        String sql = "INSERT INTO AP_IDENTITY_SERVER "
+                + "(PROVIDER_NAME, "
+                + "NAME, "
+                + "DESCRIPTION, URL, API_URL, USERNAME, PASSWORD, TENANT_ID) "
+                + "VALUES (?, ?, ?, ?)";
+        try {
+            Connection conn = this.getDBConnection();
+            try (PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
+                stmt.setString(1, identityServerDTO.getProviderName());
+                stmt.setString(2, identityServerDTO.getName());
+                stmt.setString(3, identityServerDTO.getDescription());
+                stmt.setString(4, identityServerDTO.getUrl());
+                stmt.setString(5, identityServerDTO.getApiUrl());
+                stmt.setString(6, identityServerDTO.getUserName());
+                stmt.setString(7, identityServerDTO.getPassword());
+                stmt.setInt(8, tenantId);
+                stmt.executeUpdate();
+                try (ResultSet rs = stmt.getGeneratedKeys()) {
+                    if (rs.next()) {
+                        return rs.getInt(1);
+                    }
+                    return -1;
+                }
+            }
+        } catch (DBConnectionException e) {
+            String msg = "Error occurred while creating identity server ";
+            log.error(msg, e);
+            throw new ApplicationManagementDAOException(msg, e);
+        } catch (SQLException e) {
+            String msg = "Error occurred while executing SQL to create an identity server ";
+            log.error(msg, e);
+            throw new ApplicationManagementDAOException(msg, e);
+        }
+    }
+
     @Override
     public List<ApplicationDTO> getSPApplications(int identityServerId, String spUID, int tenantId) throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/impl/application/spapplication/OracleSPApplicationDAOImpl.java

@@ -18,7 +18,7 @@
 
 package io.entgra.application.mgt.core.dao.impl.application.spapplication;
 
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.exception.DBConnectionException;
 import io.entgra.application.mgt.core.dao.SPApplicationDAO;
@@ -40,7 +40,7 @@ public class OracleSPApplicationDAOImpl  extends AbstractDAOImpl implements SPAp
     private static final Log log = LogFactory.getLog(OracleSPApplicationDAOImpl.class);
 
     @Override
-    public List<IdentityServer> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
+    public List<IdentityServerDTO> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ?";
@@ -67,7 +67,7 @@ public class OracleSPApplicationDAOImpl  extends AbstractDAOImpl implements SPAp
     }
 
     @Override
-    public IdentityServer getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
+    public IdentityServerDTO getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ? AND "

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/impl/application/spapplication/PostgreSQLSPApplicationDAOImpl.java

@@ -18,7 +18,7 @@
 
 package io.entgra.application.mgt.core.dao.impl.application.spapplication;
 
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.exception.DBConnectionException;
 import io.entgra.application.mgt.core.dao.SPApplicationDAO;
@@ -40,7 +40,7 @@ public class PostgreSQLSPApplicationDAOImpl extends AbstractDAOImpl implements S
     private static final Log log = LogFactory.getLog(PostgreSQLSPApplicationDAOImpl.class);
 
     @Override
-    public List<IdentityServer> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
+    public List<IdentityServerDTO> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ?";
@@ -67,7 +67,7 @@ public class PostgreSQLSPApplicationDAOImpl extends AbstractDAOImpl implements S
     }
 
     @Override
-    public IdentityServer getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
+    public IdentityServerDTO getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ? AND "

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/dao/impl/application/spapplication/SQLServerSPApplicationDAOImpl.java

@@ -18,7 +18,7 @@
 
 package io.entgra.application.mgt.core.dao.impl.application.spapplication;
 
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.exception.DBConnectionException;
 import io.entgra.application.mgt.core.dao.SPApplicationDAO;
@@ -40,7 +40,7 @@ public class SQLServerSPApplicationDAOImpl  extends AbstractDAOImpl implements S
     private static final Log log = LogFactory.getLog(SQLServerSPApplicationDAOImpl.class);
 
     @Override
-    public List<IdentityServer> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
+    public List<IdentityServerDTO> getIdentityServers(int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ?";
@@ -67,7 +67,7 @@ public class SQLServerSPApplicationDAOImpl  extends AbstractDAOImpl implements S
     }
 
     @Override
-    public IdentityServer getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
+    public IdentityServerDTO getIdentityServerById(int id, int tenantId) throws ApplicationManagementDAOException {
         String sql = "SELECT ID, NAME, DESCRIPTION, URL, SP_APPS_URI, SP_APPS_API, TENANT_ID, USERNAME, PASSWORD "
                 + "FROM AP_IDENTITY_SERVER "
                 + "WHERE TENANT_ID = ? AND "

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/impl/SPApplicationManagerImpl.java

@@ -19,7 +19,7 @@
 package io.entgra.application.mgt.core.impl;
 
 import io.entgra.application.mgt.common.IdentityServer;
-import io.entgra.application.mgt.common.IdentityServerList;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.SPApplication;
 import io.entgra.application.mgt.common.dto.ApplicationDTO;
 import io.entgra.application.mgt.common.exception.ApplicationManagementException;
@@ -44,6 +44,7 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.context.PrivilegedCarbonContext;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public class SPApplicationManagerImpl implements SPApplicationManager {
 
@@ -76,7 +77,8 @@ public class SPApplicationManagerImpl implements SPApplicationManager {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             ConnectionManagerUtil.openDBConnection();
-            return spApplicationDAO.getIdentityServerById(identityServerId, tenantId);
+            IdentityServerDTO identityServerDTO = spApplicationDAO.getIdentityServerById(identityServerId, tenantId);
+            return APIUtil.identityServerDtoToIdentityServerResponse(identityServerDTO);
         } catch (DBConnectionException e) {
             String msg = "Error occurred when getting database connection to get identity server with the id: " + identityServerId;
             log.error(msg, e);
@@ -92,13 +94,12 @@ public class SPApplicationManagerImpl implements SPApplicationManager {
     }
 
     @Override
-    public IdentityServerList getIdentityServers() throws ApplicationManagementException {
+    public List<IdentityServer> getIdentityServers() throws ApplicationManagementException {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             ConnectionManagerUtil.openDBConnection();
-            IdentityServerList identityServerList = new IdentityServerList();
+            return spApplicationDAO.getIdentityServers(tenantId).stream().
-            identityServerList.setIdentityServers(spApplicationDAO.getIdentityServers(tenantId));
+                    map(APIUtil::identityServerDtoToIdentityServerResponse).collect(Collectors.toList());
-            return identityServerList;
         } catch (DBConnectionException e) {
             String msg = "Error occurred when getting database connection to get identity servers";
             log.error(msg, e);
@@ -113,6 +114,20 @@ public class SPApplicationManagerImpl implements SPApplicationManager {
         }
     }
 
+    @Override
+    public IdentityServer createIdentityServer(IdentityServerDTO identityServerDTO) throws ApplicationManagementException {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
+        try {
+            int id = spApplicationDAO.createIdentityServer(identityServerDTO, tenantId);
+            identityServerDTO.setId(id);
+            return APIUtil.identityServerDtoToIdentityServerResponse(identityServerDTO);
+        } catch (ApplicationManagementDAOException e) {
+            String msg = "Error occurred while creating identity server " + identityServerDTO.getName();
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        }
+    }
+
     @Override
     public List<Application> getSPApplications(int identityServerId, String spUID) throws
             ApplicationManagementException {

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/util/APIUtil.java

@@ -18,6 +18,9 @@
 
 package io.entgra.application.mgt.core.util;
 
+import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
+import io.entgra.application.mgt.core.config.IdentityServerDetail;
 import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -363,6 +366,23 @@ public class APIUtil {
         return applicationReleaseDTO;
     }
 
+    public static IdentityServer identityServerDtoToIdentityServerResponse(IdentityServerDTO identityServerDTO) {
+        IdentityServer identityServer = new IdentityServer();
+        identityServer.setId(identityServerDTO.getId());
+        identityServer.setProviderName(identityServerDTO.getProviderName());
+        identityServer.setName(identityServerDTO.getName());
+        identityServer.setDescription(identityServerDTO.getDescription());
+        identityServer.setUrl(identityServerDTO.getUrl());
+        identityServer.setApiUrl(identityServerDTO.getApiUrl());
+        identityServer.setUserName(identityServerDTO.getUserName());
+        identityServer.setPassword(identityServerDTO.getPassword());
+        IdentityServerDetail identityServerDetail = ConfigurationManager.getInstance().getIdentityServerConfiguration()
+                .getIdentityServerDetailByProviderName(identityServerDTO.getProviderName());
+        String serviceProviderAppsUrl = identityServerDTO.getUrl() + Constants.FORWARD_SLASH + identityServerDetail.getServiceProvidersPageUri();
+        identityServer.setServiceProviderAppsUrl(serviceProviderAppsUrl);
+        return identityServer;
+    }
+
     public static Application appDtoToAppResponse(ApplicationDTO applicationDTO) throws ApplicationManagementException {
 
         Application application = new Application();

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/util/Constants.java

@@ -31,9 +31,12 @@ import java.util.Map;
 public class Constants {
 
     public static final String APPLICATION_CONFIG_XML_FILE = "application-mgt.xml";
+    public static final String IDENTITY_SERVERS_CONFIG_XML_FILE = "identity-servers-config.xml";
 
     public static final String DEFAULT_CONFIG_FILE_LOCATION = CarbonUtils.getCarbonConfigDirPath() + File.separator +
             Constants.APPLICATION_CONFIG_XML_FILE;
+    public static final String DEFAULT_IDENTITY_SERVERS_CONFIG_FILE_LOCATION = CarbonUtils.getCarbonConfigDirPath() + File.separator +
+            IDENTITY_SERVERS_CONFIG_XML_FILE;
     public static final String DEFAULT_VERSION = "1.0.0";
     public static final String SCREENSHOT_NAME = "screenshot";
     public static final String ICON_NAME = "icon";

components/application-mgt/io.entgra.application.mgt.core/src/main/java/io/entgra/application/mgt/core/util/DAOUtil.java

@@ -19,7 +19,7 @@ package io.entgra.application.mgt.core.util;
 
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
-import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.json.JSONException;
@@ -172,22 +172,22 @@ public class DAOUtil {
      * To create application object from the result set retrieved from the Database.
      *
      * @param rs ResultSet
-     * @return IdentityServer that is retrieved from the Database.
+     * @return IdentityServerDTO that is retrieved from the Database.
      * @throws SQLException  SQL Exception
      * @throws JSONException JSONException.
      */
-    public static IdentityServer loadIdentityServer(ResultSet rs)
+    public static IdentityServerDTO loadIdentityServer(ResultSet rs)
             throws SQLException, JSONException, UnexpectedServerErrorException {
-        List<IdentityServer> identityServers = loadIdentityServers(rs);
+        List<IdentityServerDTO> identityServerDTOS = loadIdentityServers(rs);
-        if (identityServers.isEmpty()) {
+        if (identityServerDTOS.isEmpty()) {
             return null;
         }
-        if (identityServers.size() > 1) {
+        if (identityServerDTOS.size() > 1) {
             String msg = "Internal server error. Found more than one identity server for requested ID";
             log.error(msg);
             throw new UnexpectedServerErrorException(msg);
         }
-        return identityServers.get(0);
+        return identityServerDTOS.get(0);
     }
 
     /**
@@ -198,21 +198,21 @@ public class DAOUtil {
      * @throws SQLException  SQL Exception
      * @throws JSONException JSONException.
      */
-    public static List<IdentityServer> loadIdentityServers(ResultSet rs) throws SQLException, JSONException {
+    public static List<IdentityServerDTO> loadIdentityServers(ResultSet rs) throws SQLException, JSONException {
-        List<IdentityServer> identityServers = new ArrayList<>();
+        List<IdentityServerDTO> identityServerDTOS = new ArrayList<>();
         while (rs.next()) {
-            IdentityServer identityServer = new IdentityServer();
+            IdentityServerDTO identityServerDTO = new IdentityServerDTO();
-            identityServer.setId(rs.getInt("ID"));
+            identityServerDTO.setId(rs.getInt("ID"));
-            identityServer.setName(rs.getString("NAME"));
+            identityServerDTO.setProviderName(rs.getString("PROVIDER_NAME"));
-            identityServer.setDescription(rs.getString("DESCRIPTION"));
+            identityServerDTO.setName(rs.getString("NAME"));
-            identityServer.setUrl(rs.getString("URL"));
+            identityServerDTO.setDescription(rs.getString("DESCRIPTION"));
-            identityServer.setSpAppsURI(rs.getString("SP_APPS_URI"));
+            identityServerDTO.setUrl(rs.getString("URL"));
-            identityServer.setSpAppsApi(rs.getString("SP_APPS_API"));
+            identityServerDTO.setApiUrl(rs.getString("API_URI"));
-            identityServer.setUserName(rs.getString("USERNAME"));
+            identityServerDTO.setUserName(rs.getString("USERNAME"));
-            identityServer.setPassword(rs.getString("PASSWORD"));
+            identityServerDTO.setPassword(rs.getString("PASSWORD"));
-            identityServers.add(identityServer);
+            identityServerDTOS.add(identityServerDTO);
         }
-        return identityServers;
+        return identityServerDTOS;
     }
 
     /**

components/application-mgt/io.entgra.application.mgt.publisher.api/src/main/java/io/entgra/application/mgt/publisher/api/services/SPApplicationService.java

@@ -18,6 +18,7 @@
 
 package io.entgra.application.mgt.publisher.api.services;
 
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.wrapper.ApplicationWrapper;
 import io.entgra.application.mgt.common.wrapper.CustomAppWrapper;
 import io.entgra.application.mgt.common.wrapper.PublicAppWrapper;
@@ -66,6 +67,13 @@ import java.util.List;
                         roles = {"Internal/devicemgt-user"},
                         permissions = {"/app-mgt/publisher/service-provider/application/view"}
                 ),
+                @Scope(
+                        name = "Create new identity server",
+                        description = "Connect to new identity server",
+                        key = "perm:app:publisher:service-provider:connect",
+                        roles = {"Internal/devicemgt-user"},
+                        permissions = {"/app-mgt/publisher/service-provider/application/connect"}
+                ),
                 @Scope(
                         name = "Create a service provider application",
                         description = "Create an application and attach (map) to service provider",
@@ -128,6 +136,22 @@ public interface SPApplicationService {
     )
     Response getIdentityServer(@PathParam("id") int id);
 
+    @POST
+    @Produces(MediaType.APPLICATION_JSON)
+    @Path("/identity-servers")
+    @ApiOperation(
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "POST",
+            value = "create new identity server",
+            tags = "Identity Server Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:publisher:service-provider:connect")
+                    })
+            }
+    )
+    Response createIdentityServer(IdentityServerDTO identityServerDTO);
+
     /**
      * This method is used to register an APIM application for tenant domain.
      */

components/application-mgt/io.entgra.application.mgt.publisher.api/src/main/java/io/entgra/application/mgt/publisher/api/services/impl/SPApplicationServiceImpl.java

@@ -19,6 +19,7 @@
 package io.entgra.application.mgt.publisher.api.services.impl;
 
 import io.entgra.application.mgt.common.IdentityServer;
+import io.entgra.application.mgt.common.dto.IdentityServerDTO;
 import io.entgra.application.mgt.common.IdentityServerList;
 import io.entgra.application.mgt.common.SPApplicationListResponse;
 import io.entgra.application.mgt.common.exception.ApplicationManagementException;
@@ -56,7 +57,7 @@ public class SPApplicationServiceImpl implements SPApplicationService {
     public Response getIdentityServers() {
         try {
             SPApplicationManager spAppManager = APIUtil.getSPApplicationManager();
-            IdentityServerList identityServers = spAppManager.getIdentityServers();
+            List<IdentityServer> identityServers = spAppManager.getIdentityServers();
             return Response.status(Response.Status.OK).entity(identityServers).build();
         } catch (ApplicationManagementException e) {
             String errMsg = "Error occurred while trying to merge identity server apps with existing apps";
@@ -80,6 +81,21 @@ public class SPApplicationServiceImpl implements SPApplicationService {
         }
     }
 
+    @Path("/identity-servers")
+    @POST
+    @Override
+    public Response createIdentityServer(IdentityServerDTO identityServerDTO) {
+        try {
+            SPApplicationManager spAppManager = APIUtil.getSPApplicationManager();
+            IdentityServer identityServer = spAppManager.createIdentityServer(identityServerDTO);
+            return Response.status(Response.Status.CREATED).entity(identityServer).build();
+        } catch (ApplicationManagementException e) {
+            String errMsg = "Error occurred while trying to merge identity server apps with existing apps";
+            log.error(errMsg, e);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(errMsg).build();
+        }
+    }
+
     @Path("/{identity-server-id}/service-providers")
     @GET
     @Override

components/application-mgt/io.entgra.application.mgt.publisher.api/src/main/java/io/entgra/application/mgt/publisher/api/services/util/SPAppRequestHandlerUtil.java

@@ -24,6 +24,8 @@ import io.entgra.application.mgt.common.SPApplication;
 import io.entgra.application.mgt.common.SPApplicationListResponse;
 import io.entgra.application.mgt.common.exception.ApplicationManagementException;
 import io.entgra.application.mgt.common.services.SPApplicationManager;
+import io.entgra.application.mgt.core.config.ConfigurationManager;
+import io.entgra.application.mgt.core.config.IdentityServerDetail;
 import io.entgra.application.mgt.core.util.APIUtil;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -167,8 +169,9 @@ public class SPAppRequestHandlerUtil {
     }
 
     private static String getSPApplicationsAPI(IdentityServer identityServer) {
-        String api = identityServer.getSpAppsApi();
+        IdentityServerDetail identityServerDetail = ConfigurationManager.getInstance().getIdentityServerConfiguration().
-        return api;
+                getIdentityServerDetailByProviderName(identityServer.getProviderName());
+        return identityServer.getApiUrl() + identityServerDetail.getServiceProvidersAPIContextPath();
     }
 
 }