Android Open Source - interdroid-swan Pusher

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License

The source code is released under:

Copyright (c) 2008-2011 Vrije Universiteit, The Netherlands All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the follo...

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Java Source Code

package interdroid.swan.crossdevice;
//  w w  w  .j a  va2  s. com
import java.io.IOException;

import android.util.Log;

import com.google.android.gcm.server.Constants;
import com.google.android.gcm.server.Message;
import com.google.android.gcm.server.Result;
import com.google.android.gcm.server.Sender;

public class Pusher {

  public static final String TAG = "SWAN Pusher";

  public static void push(String toRegistrationId, String expressionId,
      String action, String data) {
    push(null, toRegistrationId, expressionId, action, data);
  }

  public static void push(final String fromRegistrationId,
      final String toRegistrationId, final String expressionId,
      final String action, final String data) {
    new Thread() {
      public void run() {
        Sender sender = new Sender(SwanGCMConstants.API_KEY);
        Message.Builder builder = new Message.Builder();
        builder.timeToLive(60 * 60).collapseKey("MAGIC_STRING")
            .delayWhileIdle(true);
        if (fromRegistrationId != null) {
          // from is not allowed and results in InvalidDataKey, see:
          // http://developer.android.com/google/gcm/gcm.html
          builder.addData("source", fromRegistrationId);
        }
        builder.addData("action", action);
        builder.addData("data", data);
        builder.addData("id", expressionId);
        Message message = builder.build();
        try {
          Result result = sender.send(message, toRegistrationId, 5);
          if (result.getMessageId() != null) {
            String canonicalRegId = result
                .getCanonicalRegistrationId();
            if (canonicalRegId != null) {
              Log.d(TAG,
                  "same device has more than on registration ID: update database");
            } else {
              Log.d(TAG,
                  "successfully sent push message for id: "
                      + expressionId + ", type: "
                      + action + ", data: " + data);
            }
          } else {
            String error = result.getErrorCodeName();
            if (error.equals(Constants.ERROR_NOT_REGISTERED)) {
              Log.d(TAG,
                  "application has been removed from device - unregister database");
            } else {
              Log.d(TAG, "no message id, error: " + error);
            }
          }
        } catch (IOException e) {
          Log.d(TAG,
              "failed to deliver push message: " + e.toString());
        }

      }
    }.start();
  }
}

Java Source Code List