Android Open Source - razrbit-sdk-android Razrbit Call Async Handler

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License

The source code is released under:

MIT License

Java Source Code

package com.luxstack.razrbit;
//ww w .j ava  2 s. c  o  m
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.os.AsyncTask;
import android.util.JsonReader;
import android.util.Log;

import com.luxstack.razrbit.RazrbitCallParams;

public class RazrbitCallAsyncHandler extends AsyncTask<RazrbitCallParams, Void, String> {

  private 
    RazrbitCallParams.FnRazrbitCallback m_fnCallback = null;
    String m_strResult = null;
    List<NameValuePair> m_listNvpResult = null;
    Boolean m_bResultTypeIsNvp = false;
    Boolean m_bError = false;

  private List<NameValuePair> ParseJsonFlatListToListNvp(ByteArrayOutputStream out) throws IOException {
    List<NameValuePair> listNvpResult = null;
    JsonReader reader = new JsonReader(new InputStreamReader(new ByteArrayInputStream(out.toByteArray()), "UTF-8"));
    try {
      reader.beginObject();
      while (reader.hasNext()) {
        if(listNvpResult == null)
        {
          listNvpResult = new LinkedList<NameValuePair>();
        }
        String name = reader.nextName();
        String text = reader.nextString();
        Log.d("trial", "before adding "+name+":"+text);
        listNvpResult.add(new BasicNameValuePair(name, text));
      }
      reader.endObject();
    }
    finally {
      reader.close();
    }
    return listNvpResult;
  }
    
  @Override
  protected String doInBackground(RazrbitCallParams... params) {

        Log.d("trial", "doInBackground starts");
    RazrbitCallParams razrbitCallParams = params[0];
    
    m_fnCallback = razrbitCallParams.GetCallback();
    
      HttpClient httpclient = new DefaultHttpClient();
      HttpPost httppost = new HttpPost(razrbitCallParams.GetUrl());

        Log.d("trial", "doInBackground before try");
      try {
          // Add your data
          httppost.setEntity(new UrlEncodedFormEntity(razrbitCallParams.GetParamList()));

          Log.d("trial", "doInBackground before execute");
          // Execute HTTP Post Request
          HttpResponse response = httpclient.execute(httppost);
          
          StatusLine statusLine = response.getStatusLine();
            //Check the Http Request for success
            if(statusLine.getStatusCode() == HttpStatus.SC_OK){
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                response.getEntity().writeTo(out);
                out.close();
                m_bResultTypeIsNvp = razrbitCallParams.GetResultTypeIsNvp();
                if(m_bResultTypeIsNvp)
                {
                  m_listNvpResult = ParseJsonFlatListToListNvp(out);
                }
                else
                {
                    m_strResult = out.toString();
                }
            }
            else{
                //Closes the connection.
                response.getEntity().getContent().close();
                throw new IOException("status code NOT OK: "+statusLine.toString());
            }
      }
      catch (ClientProtocolException e) {
          Log.w("HTTP2:",e );
          m_strResult = e.getMessage();
          m_bError = true;
          cancel(true);
      } 
      catch (IOException e) {
          Log.w("HTTP3:",e );
          m_strResult = e.getMessage();
          m_bError = true;
          cancel(true);
      }
      catch (Exception e) {
          Log.w("HTTP4:",e );
          m_strResult = e.getMessage();
          m_bError = true;
          cancel(true);
      }

    return m_strResult;
  }

    @Override
    protected void onCancelled() {
    if(m_fnCallback != null) {
      m_fnCallback.onRazrbitPostError(m_strResult);
    }
    }

    @Override
  protected void onPostExecute(String strResult) {
    if(m_fnCallback != null) {
          Log.d("trial", "onPostExecute starts");
          if(m_bResultTypeIsNvp){
            m_fnCallback.onDownloadFinished(m_listNvpResult);
          }
          else {
            m_fnCallback.onDownloadFinishedString(strResult);
          }
    }
  }

}

Java Source Code List

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