Android Open Source - GalDroid Rest Call

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Back to project page GalDroid.

License

The source code is released under:

GNU General Public License

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Java Source Code

package de.raptor2101.GalDroid.WebGallery.Gallery3;
//from   ww w . j av a2 s  .c o m
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpUriRequest;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

import de.raptor2101.GalDroid.WebGallery.Stream;

public class RestCall {
  private static final String ClassTag = "RestCall";
  private final HttpUriRequest mRequest;
  private final long mSuggestedLength;
  private final Gallery3Imp mWebGallery;

  public RestCall(Gallery3Imp webGallery, HttpUriRequest request, long suggestedLength) {
    mRequest = request;
    mSuggestedLength = suggestedLength;
    mWebGallery = webGallery;
  }

  public Stream open() throws IOException, ClientProtocolException {
    HttpClient client = mWebGallery.getHttpClient();
    synchronized (client) {
      Log.i(ClassTag, String.format("Open HttpRequest to %s", mRequest.getURI().toURL()));
      HttpResponse response = mWebGallery.getHttpClient().execute(mRequest);
      Log.d(ClassTag, String.format("Response to %s opened", mRequest.getURI().toURL()));
      if (response.getStatusLine().getStatusCode() > 200) {
        throw new IOException("Something goes wrong!");
      }
      Header[] headers = response.getHeaders("Content-Length");
      if (headers.length > 0) {
        long contentLength = Long.parseLong(headers[0].getValue());
        return new Stream(response.getEntity().getContent(), contentLength);
      } else {
        return new Stream(response.getEntity().getContent(), mSuggestedLength);
      }
    }
  }

  public JSONObject loadJSONObject() throws ClientProtocolException, IOException, JSONException {
    InputStream inputStream = open();
    return parseJSON(inputStream);
  }

  public JSONArray loadJSONArray() throws ClientProtocolException, IOException, JSONException {
    InputStream inputStream = open();
    return parseJSONArray(inputStream);
  }

  private JSONObject parseJSON(InputStream inputStream) throws IOException, JSONException {
    String content = loadContent(inputStream);
    return new JSONObject(content);
  }

  private JSONArray parseJSONArray(InputStream inputStream) throws IOException, JSONException {
    String content = loadContent(inputStream);
    return new JSONArray(content);
  }

  private String loadContent(InputStream inputStream) throws IOException {
    InputStreamReader streamReader = new InputStreamReader(inputStream);
    BufferedReader reader = new BufferedReader(streamReader);
    StringBuilder stringBuilder = new StringBuilder();
    try {
      String line = null;

      while ((line = reader.readLine()) != null) {
        stringBuilder.append(line + '\n');
      }
    } finally {
      reader.close();
      inputStream.close();
    }
    return stringBuilder.toString();
  }

  public Gallery3Imp getWebGallery() {
    return mWebGallery;
  }

}

Java Source Code List