Adding API for getting device types

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/api/DeviceManagementService.java

@@ -22,11 +22,8 @@ import io.swagger.annotations.*;
 import org.wso2.carbon.apimgt.annotations.api.API;
 import org.wso2.carbon.apimgt.annotations.api.Permission;
 import org.wso2.carbon.device.mgt.common.Device;
-import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 import org.wso2.carbon.device.mgt.common.Feature;
 import org.wso2.carbon.device.mgt.common.app.mgt.Application;
-import org.wso2.carbon.device.mgt.common.device.details.DeviceInfo;
-import org.wso2.carbon.device.mgt.common.device.details.DeviceLocation;
 import org.wso2.carbon.device.mgt.common.device.details.DeviceWrapper;
 import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
 import org.wso2.carbon.device.mgt.common.search.SearchContext;
@@ -37,7 +34,6 @@ import org.wso2.carbon.policy.mgt.common.Policy;
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
-import java.util.List;
 
 /**
  * Device related REST-API. This can be used to manipulated device related details.
@@ -609,5 +605,7 @@ public interface DeviceManagementService {
                     required = false)
             @HeaderParam("If-Modified-Since") String ifModifiedSince);
 
-
+    @GET
+    @Path("/types")
+    Response getDeviceTypes();
 }

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/DeviceManagementServiceImpl.java

@@ -18,35 +18,32 @@
  */
 package org.wso2.carbon.device.mgt.jaxrs.service.impl;
 
-import io.swagger.annotations.ApiParam;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.*;
 import org.wso2.carbon.device.mgt.common.app.mgt.Application;
 import org.wso2.carbon.device.mgt.common.app.mgt.ApplicationManagementException;
-import org.wso2.carbon.device.mgt.common.device.details.DeviceInfo;
-import org.wso2.carbon.device.mgt.common.device.details.DeviceLocation;
 import org.wso2.carbon.device.mgt.common.device.details.DeviceWrapper;
 import org.wso2.carbon.device.mgt.common.operation.mgt.Operation;
 import org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementException;
 import org.wso2.carbon.device.mgt.common.search.SearchContext;
 import org.wso2.carbon.device.mgt.core.app.mgt.ApplicationManagementProviderService;
-import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceDetailsMgtException;
-import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceInformationManager;
+import org.wso2.carbon.device.mgt.core.dto.DeviceType;
 import org.wso2.carbon.device.mgt.core.search.mgt.SearchManagerService;
 import org.wso2.carbon.device.mgt.core.search.mgt.SearchMgtException;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.device.mgt.jaxrs.beans.DeviceList;
 import org.wso2.carbon.device.mgt.jaxrs.beans.ErrorResponse;
 import org.wso2.carbon.device.mgt.jaxrs.service.api.DeviceManagementService;
-import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.*;
+import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.InputValidationException;
 import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.NotFoundException;
+import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.RequestValidationUtil;
+import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.UnexpectedServerErrorException;
 import org.wso2.carbon.device.mgt.jaxrs.util.DeviceMgtAPIUtils;
 import org.wso2.carbon.policy.mgt.common.Policy;
 import org.wso2.carbon.policy.mgt.common.PolicyManagementException;
 import org.wso2.carbon.policy.mgt.core.PolicyManagerService;
 
-import javax.validation.constraints.NotNull;
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
@@ -318,4 +315,18 @@ public class DeviceManagementServiceImpl implements DeviceManagementService {
         }
     }
 
+    @Override
+    public Response getDeviceTypes() {
+        List<DeviceType> deviceTypes;
+        try {
+            deviceTypes = DeviceMgtAPIUtils.getDeviceManagementService().getAvailableDeviceTypes();
+        } catch (DeviceManagementException e) {
+            String msg = "Error occurred while fetching the list of device types.";
+            log.error(msg, e);
+            throw new UnexpectedServerErrorException(new ErrorResponse.ErrorResponseBuilder().
+                setCode(500l).setMessage(msg).build());
+        }
+        return Response.status(Response.Status.OK).entity(deviceTypes).build();
+    }
+
 }

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/webapp/META-INF/permissions.xml

@@ -165,6 +165,12 @@
         <url>/devices</url>
         <method>GET</method>
     </Permission>
+    <Permission>
+        <name>List device types</name>
+        <path>/device-mgt/admin/devices/types</path>
+        <url>/devices/types</url>
+        <method>GET</method>
+    </Permission>
     <Permission>
         <name>Retrieve device information</name>
         <path>/device-mgt/admin/devices/list</path>