commit bfb1dc24a53e883fcc681c768633611ea198f62e
parent f755a8ede105736f9af23521033b6f8ee127b79d
Author: kyle <kyle@0x30.net>
Date: Mon, 8 Feb 2016 20:07:38 -0700
apnd: add java proof of concept gcmd
Diffstat:
A | gcmd/gcmd.java | | | 99 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 99 insertions(+), 0 deletions(-)
diff --git a/gcmd/gcmd.java b/gcmd/gcmd.java
@@ -0,0 +1,99 @@
+/**
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed 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 pushd_android;
+
+import org.apache.commons.io.IOUtils;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.json.JSONException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+// NOTE:
+// This class emulates a server for the purposes of this sample,
+// but it's not meant to serve as an example for a production app server.
+// This class should also not be included in the client (Android) applicaiton
+// since it includes the server's API key. For information on GCM server
+// implementaion see: https://developers.google.com/cloud-messaging/server
+public class pushd_android {
+
+ public static final String API_KEY = "API_KEY";
+
+ public static void main(String[] args) {
+ if (args.length < 1 || args.length > 2 || args[0] == null) {
+ System.err.println("usage: ./gradlew run -Pmsg=\"MESSAGE\" [-Pto=\"DEVICE_TOKEN\"]");
+ System.err.println("");
+ System.err.println("Specify a test message to broadcast via GCM. If a device's GCM registration token is\n" +
+ "specified, the message will only be sent to that device. Otherwise, the message \n" +
+ "will be sent to all devices subscribed to the \"global\" topic.");
+ System.err.println("");
+ System.err.println("Example (Broadcast):\n" +
+ "On Windows: .\\gradlew.bat run -Pmsg=\"<Your_Message>\"\n" +
+ "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\"");
+ System.err.println("");
+ System.err.println("Example (Unicast):\n" +
+ "On Windows: .\\gradlew.bat run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"\n" +
+ "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"");
+ System.exit(1);
+ }
+ try {
+ // Prepare JSON containing the GCM message content. What to send and where to send.
+ JSONObject jGcmData = new JSONObject();
+ JSONObject jData = new JSONObject();
+ jData.put("message", args[0].trim());
+ // Where to send GCM message.
+ if (args.length > 1 && args[1] != null) {
+ jGcmData.put("to", args[1].trim());
+ } else {
+ jGcmData.put("to", "/topics/global");
+ }
+ // What to send in GCM message.
+ jGcmData.put("data", jData);
+
+ // Create connection to send GCM Message request.
+ URL url = new URL("https://android.googleapis.com/gcm/send");
+ HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+ conn.setRequestProperty("Authorization", "key=" + API_KEY);
+ conn.setRequestProperty("Content-Type", "application/json");
+ conn.setRequestMethod("POST");
+ conn.setDoOutput(true);
+
+ // Send GCM message content.
+ OutputStream outputStream = conn.getOutputStream();
+ outputStream.write(jGcmData.toString().getBytes());
+
+ // Read GCM response.
+ InputStream inputStream = conn.getInputStream();
+ String resp = IOUtils.toString(inputStream);
+ System.out.println(resp);
+ System.out.println("Check your device/emulator for notification or logcat for " +
+ "confirmation of the receipt of the GCM message.");
+ } catch (IOException e) {
+ System.out.println("Unable to send GCM message.");
+ System.out.println("Please ensure that API_KEY has been replaced by the server " +
+ "API key, and that the device's registration token is correct (if specified).");
+ e.printStackTrace();
+ } catch (JSONException e) {
+ System.out.println("caught JSONException");
+ }
+ }
+
+}