Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

public class Main {
    public static final String PARAM_REGISTRATION_ID = "registration_id";
    public static final String PARAM_COLLAPSE_KEY = "collapse_key";
    private static final String UTF8 = "UTF-8";

    public static int sendMessage(String auth_token, String registrationId, String message) throws IOException {

        StringBuilder postDataBuilder = new StringBuilder();
        postDataBuilder.append(PARAM_REGISTRATION_ID).append("=").append(registrationId);
        postDataBuilder.append("&").append(PARAM_COLLAPSE_KEY).append("=").append("0");
        postDataBuilder.append("&").append("data.payload").append("=")
                .append(URLEncoder.encode("Lars war hier", UTF8));

        byte[] postData = postDataBuilder.toString().getBytes(UTF8);

        // Hit the dm URL.

        URL url = new URL("https://android.clients.google.com/c2dm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
        conn.setRequestProperty("Content-Length", Integer.toString(postData.length));
        conn.setRequestProperty("Authorization", "GoogleLogin auth=" + auth_token);

        OutputStream out = conn.getOutputStream();
        out.write(postData);
        out.close();

        int responseCode = conn.getResponseCode();
        return responseCode;
    }
}