Android Open Source - android-http Sync Http Client

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License

The source code is released under:

Apache License

Java Source Code

package com.loopj.android.http;
//from  ww  w  . java 2 s  .  co  m
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HttpContext;

import android.content.Context;
import android.os.Message;

public abstract class SyncHttpClient extends AsyncHttpClient {

  private int responseCode;
  /*
   * as this is a synchronous request this is just a helping mechanism to pass the result back to this method.
   * Therefore the result object has to be a field to be accessible
   */
  protected String result;
  protected AsyncHttpResponseHandler responseHandler = new AsyncHttpResponseHandler() {

    @Override
    void sendResponseMessage(org.apache.http.HttpResponse response) {
      responseCode = response.getStatusLine().getStatusCode();
      super.sendResponseMessage(response);
    };

    @Override
    protected void sendMessage(Message msg) {
      /*
       * Dont use the handler and send it directly to the analysis (because its all the same thread)
       */
      handleMessage(msg);
    }

    @Override
    public void onSuccess(String content) {
      result = content;
    }

    @Override
    public void onFailure(Throwable error, String content) {
      result = onRequestFailed(error, content);
    }
  };

  /**
   * @return the response code for the last request, might be usefull sometimes
   */
  public int getResponseCode() {
    return responseCode;
  }

  // Private stuff
  @Override
  protected void sendRequest(DefaultHttpClient client, HttpContext httpContext, HttpUriRequest uriRequest,
      String contentType, AsyncHttpResponseHandler responseHandler, Context context) {
    if (contentType != null) {
      uriRequest.addHeader("Content-Type", contentType);
    }

    /*
     * will execute the request directly
     */
    new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler).run();
  }

  public abstract String onRequestFailed(Throwable error, String content);

  public String get(String url) {
    this.get(url, null, responseHandler);
    return result;
  }

  public String get(String url, RequestParams params) {
    this.get(url, params, responseHandler);
    /*
     * the response handler will have set the result when this line is reached
     */
    return result;
  }

  public String get(String url, Header[] headers, RequestParams params) {
    this.get(null, url, headers, params, responseHandler);
    return result;
  }

  public String post(String url) {
    this.post(url, null, responseHandler);
    return result;
  }

  public String post(String url, RequestParams params) {
    this.post(url, params, responseHandler);
    return result;
  }

  public String post(String url, HttpEntity entity, String contentType) {
    this.post(null, url, entity, contentType, responseHandler);
    return result;
  }

  public String post(String url, Header[] headers, RequestParams params, String contentType) {
    this.post(null, url, headers, params, contentType, responseHandler);
    return result;
  }

  public String post(String url, Header[] headers, HttpEntity entity, String contentType) {
    this.post(null, url, headers, entity, contentType, responseHandler);
    return result;
  }

  public String put(String url) {
    this.put(url, null, responseHandler);
    return result;
  }

  public String put(String url, RequestParams params) {
    this.put(url, params, responseHandler);
    return result;
  } 

  public String put(String url, HttpEntity entity, String contentType) {
    this.put(null, url, entity, contentType, responseHandler);
    return result;
  }

  public String put(String url, Header[] headers, HttpEntity entity, String contentType) {
    this.put(null, url, headers, entity, contentType, responseHandler);
    return result;
  }

  public String delete(String url) {
    this.delete(url, responseHandler);
    return result;
  }

  public String delete(String url, Header[] headers) {
    this.delete(null, url, headers, responseHandler);
    return result;
  }

}

Java Source Code List

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