Android Open Source - RemindEm Communications Intent Service

• Back to SMS/schedule  ↑

From Project

Back to project page RemindEm.

License

The source code is released under:

MIT License

Java Source Code

package com.brandtapps.remindem.extras;
/*w  ww . j av  a2s.  com*/


import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.HttpURLConnection;
import android.app.IntentService;
import android.content.Intent;


public class CommunicationsIntentService extends IntentService {
  
  public static final String PARAM_ACTION = "ACTION";
  public static final String PARAM_IN_JSON = "JSON_IN";
  public static final String PARAM_OUT_JSON = "JSON_OUT";
  public static final String PARAM_RECEIVER = "RECEIVER";
  public static final String PARAM_OUT_ERROR_MESSAGE = "ERROR_MESSAGE";


  public CommunicationsIntentService() {
    super("CommunicationsIntentService");
  }

  
  @Override
  protected void onHandleIntent(Intent intent) {
    
    InputStream is = null;
    HttpURLConnection conn = null;

    String errorMessage = "";
    int len = 1024;
    String response = null;
    String Receiver = "";
    OutputStream os = null;

    try {
      String Action = intent.getStringExtra(PARAM_ACTION);
      String JSON = intent.getStringExtra(PARAM_IN_JSON);
      Receiver = intent.getStringExtra(PARAM_RECEIVER);


      URL url = new URL("http://www.williamsportsda.com/apps/" + Action);
      conn = (HttpURLConnection) url.openConnection();
      conn.setReadTimeout(20000);
      conn.setConnectTimeout(20000);
      conn.setRequestMethod("POST");
      conn.setRequestProperty("Content-Type", "application/json");
      conn.setRequestProperty("Accept", "application/json");
      conn.setDoInput(true);

      os = conn.getOutputStream();
      OutputStreamWriter writer = new OutputStreamWriter(os, "UTF-8");
      if (JSON != null)
        writer.write(JSON);
      writer.flush();
      writer.close();


      conn.connect();
      int respCd = conn.getResponseCode();

      if (respCd == 200) {
        is = conn.getInputStream();

        // handle redirect
        if (!url.getHost().equals(conn.getURL().getHost())) {
          throw new Exception("Url Redirected.");
        }

        response = slurp(is, len);
      }

    } catch (Exception e) {
      errorMessage = "Internet Connection Failure.";
      e.printStackTrace();
    } finally {

      if (os != null) {
        try {
          os.close();
        } catch (IOException e) {
        }
      }

      if (conn != null)
        conn.disconnect();

      if (is != null) {
        try {
          is.close();
        } catch (IOException e) {          
        }
      }

    }

    if (Receiver != null && Receiver != "") {
      
      Intent broadcastIntent = new Intent();
      broadcastIntent.setAction(Receiver);
      broadcastIntent.addCategory(Intent.CATEGORY_DEFAULT);
      broadcastIntent.putExtra(PARAM_OUT_JSON, response);
      broadcastIntent.putExtra(PARAM_OUT_ERROR_MESSAGE, errorMessage);
      sendBroadcast(broadcastIntent);
    }

  }

  public static String slurp(final InputStream is, final int bufferSize) {
    final char[] buffer = new char[bufferSize];
    final StringBuilder out = new StringBuilder();
    try {
      final Reader in = new InputStreamReader(is, "UTF-8");
      try {
        for (;;) {
          int rsz = in.read(buffer, 0, buffer.length);
          if (rsz < 0)
            break;
          out.append(buffer, 0, rsz);
        }
      } finally {
        in.close();
      }
    } catch (UnsupportedEncodingException e) {
      
    } catch (IOException e) {
      
    }
    return out.toString();
  }

}

Java Source Code List

• Back to SMS/schedule  ↑