* Add device type to the feature

* Added method to operation manager to get features by type
* Added an exception for feature management

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/Feature.java

@@ -21,6 +21,7 @@ public class Feature {
 
     private int id;
     private String name;
+    private String deviceType;
     private List<MetadataEntry> metadataEntries;
 
     public int getId() {
@@ -47,6 +48,14 @@ public class Feature {
         this.metadataEntries = metadataEntries;
     }
 
+    public String getDeviceType() {
+        return deviceType;
+    }
+
+    public void setDeviceType(String deviceType) {
+        this.deviceType = deviceType;
+    }
+
     public static class MetadataEntry {
 
         private int id;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/FeatureManagementException.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2015, 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 org.wso2.carbon.device.mgt.common;
+
+
+public class FeatureManagementException extends Exception  {
+
+	private static final long serialVersionUID = 4527364660451105710L;
+
+	private String errorMessage;
+
+	public String getErrorMessage() {
+		return errorMessage;
+	}
+
+	public void setErrorMessage(String errorMessage) {
+		this.errorMessage = errorMessage;
+	}
+
+	public FeatureManagementException(String msg, Exception nestedEx) {
+		super(msg, nestedEx);
+		setErrorMessage(msg);
+	}
+
+	public FeatureManagementException(String message, Throwable cause) {
+		super(message, cause);
+		setErrorMessage(message);
+	}
+
+	public FeatureManagementException(String msg) {
+		super(msg);
+		setErrorMessage(msg);
+	}
+
+	public FeatureManagementException() {
+		super();
+	}
+
+	public FeatureManagementException(Throwable cause) {
+		super(cause);
+	}
+}

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/OperationManager.java

@@ -54,4 +54,12 @@ public interface OperationManager {
 	public List<Operation> getPendingOperations(DeviceIdentifier deviceId)
 			throws OperationManagementException;
 
+	/**
+	 * TODO: Move this into a separate FeatureManager
+	 * @param deviceType - Device type
+	 * @return a list of Feature objects.
+	 * @throws FeatureManagementException
+	 */
+	public List<Feature> getFeaturesForDeviceType(String deviceType) throws FeatureManagementException;
+
 }