2 * //******************************************************************
\r
4 * // Copyright 2015 Intel Corporation.
\r
6 * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
\r
8 * // Licensed under the Apache License, Version 2.0 (the "License");
\r
9 * // you may not use this file except in compliance with the License.
\r
10 * // You may obtain a copy of the License at
\r
12 * // http://www.apache.org/licenses/LICENSE-2.0
\r
14 * // Unless required by applicable law or agreed to in writing, software
\r
15 * // distributed under the License is distributed on an "AS IS" BASIS,
\r
16 * // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\r
17 * // See the License for the specific language governing permissions and
\r
18 * // limitations under the License.
\r
20 * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
\r
23 package org.iotivity.base.examples.fridgeserver;
\r
25 import android.content.Context;
\r
26 import android.content.Intent;
\r
27 import android.util.Log;
\r
29 import org.iotivity.base.EntityHandlerResult;
\r
30 import org.iotivity.base.OcException;
\r
31 import org.iotivity.base.OcHeaderOption;
\r
32 import org.iotivity.base.OcPlatform;
\r
33 import org.iotivity.base.OcResourceRequest;
\r
34 import org.iotivity.base.OcResourceResponse;
\r
35 import org.iotivity.base.RequestHandlerFlag;
\r
36 import org.iotivity.base.ResourceProperty;
\r
38 import java.util.EnumSet;
\r
39 import java.util.LinkedList;
\r
40 import java.util.List;
\r
42 import base.iotivity.org.examples.message.IMessageLogger;
\r
47 * Creates a device resource and performs action based on client requests
\r
49 public class DeviceResource extends Resource implements IMessageLogger {
\r
50 private Context mContext;
\r
52 private static String TAG = "DeviceResource: ";
\r
57 * @param context to enable sending of broadcast messages to be displayed on the user screen
\r
59 DeviceResource(Context context) {
\r
62 // eventHandler for register deviceResource
\r
63 OcPlatform.EntityHandler eh = new OcPlatform.EntityHandler() {
\r
65 public EntityHandlerResult handleEntity(OcResourceRequest ocResourceRequest) {
\r
66 // this is where the main logic of DeviceResource is handled
\r
67 return entityHandler(ocResourceRequest);
\r
72 logMessage(TAG + "RegisterDeviceResource " + StringConstants.DEVICE_URI + " : " +
\r
73 StringConstants.RESOURCE_TYPENAME + " : " + StringConstants.RESOURCE_INTERFACE);
\r
74 mResourceHandle = OcPlatform.registerResource(StringConstants.DEVICE_URI,
\r
75 StringConstants.RESOURCE_TYPENAME, StringConstants.RESOURCE_INTERFACE,
\r
76 eh, EnumSet.of(ResourceProperty.DISCOVERABLE));
\r
77 } catch (OcException e) {
\r
78 logMessage(TAG + "registerResource error: " + e.getMessage());
\r
79 Log.e(TAG, e.getMessage());
\r
84 * update current state of device
\r
86 * @return device representation
\r
88 private void updateRepresentationValues() {
\r
90 mRepresentation.setValue(StringConstants.DEVICE_NAME,
\r
91 "Intel Powered 2 door, 1 light refrigerator");
\r
92 } catch (OcException e) {
\r
93 Log.e(TAG, e.getMessage());
\r
98 * unregister the resource
\r
100 private void deleteDeviceResource() {
\r
102 OcPlatform.unregisterResource(mResourceHandle);
\r
103 logMessage(TAG + "Unregister DeviceResource successful");
\r
104 } catch (OcException e) {
\r
105 logMessage(TAG + e.getMessage());
\r
106 Log.e(TAG, e.getMessage());
\r
111 * this is the main method which handles different incoming requests appropriately.
\r
113 * @param request OcResourceRequest from the client
\r
114 * @return EntityHandlerResult depending on whether the request was handled successfully or not
\r
116 private EntityHandlerResult entityHandler(OcResourceRequest request) {
\r
117 EntityHandlerResult result = EntityHandlerResult.ERROR;
\r
118 if (null != request) {
\r
119 List<OcHeaderOption> headerOptions = request.getHeaderOptions();
\r
120 String clientAPIVersion = "";
\r
121 String clientToken = "";
\r
123 // search for header options map and look for API version and client token
\r
124 for (OcHeaderOption headerOption : headerOptions) {
\r
125 int optionId = headerOption.getOptionId();
\r
126 if (StringConstants.API_VERSION_KEY == optionId) {
\r
127 clientAPIVersion = headerOption.getOptionData();
\r
128 logMessage(TAG + " Client API Version: " + clientAPIVersion);
\r
129 } else if (StringConstants.CLIENT_VERSION_KEY == optionId) {
\r
130 clientToken = headerOption.getOptionData();
\r
131 logMessage(TAG + " Client Token: " + clientToken);
\r
134 if (clientAPIVersion.equals(StringConstants.API_VERSION) &&
\r
135 clientToken.equals(StringConstants.CLIENT_TOKEN)) {
\r
136 List<OcHeaderOption> serverHeaderOptions = new LinkedList<>();
\r
137 OcHeaderOption apiVersion = new OcHeaderOption(StringConstants.API_VERSION_KEY,
\r
138 StringConstants.API_VERSION);
\r
139 serverHeaderOptions.add(apiVersion);
\r
141 if (request.getRequestHandlerFlagSet().contains(RequestHandlerFlag.REQUEST)) {
\r
142 OcResourceResponse response = new OcResourceResponse();
\r
143 response.setRequestHandle(request.getRequestHandle());
\r
144 response.setResourceHandle(request.getResourceHandle());
\r
145 response.setHeaderOptions(serverHeaderOptions);
\r
147 switch (request.getRequestType()) {
\r
149 response.setErrorCode(StringConstants.OK);
\r
150 response.setResponseResult(EntityHandlerResult.OK);
\r
151 updateRepresentationValues();
\r
152 response.setResourceRepresentation(mRepresentation);
\r
153 OcPlatform.sendResponse(response);
\r
156 deleteDeviceResource();
\r
157 response.setErrorCode(StringConstants.OK);
\r
158 response.setResponseResult(EntityHandlerResult.OK);
\r
161 response.setResponseResult(EntityHandlerResult.ERROR);
\r
162 OcPlatform.sendResponse(response);
\r
165 result = EntityHandlerResult.OK;
\r
167 } catch (OcException e) {
\r
168 logMessage(TAG + e.getMessage());
\r
169 Log.e(TAG, e.getMessage());
\r
177 public void logMessage(String msg) {
\r
179 if (StringConstants.ENABLE_PRINTING) {
\r
184 public void logMsg(final String text) {
\r
185 Intent intent = new Intent(StringConstants.INTENT);
\r
186 intent.putExtra("message", text);
\r
187 mContext.sendBroadcast(intent);
\r