Android Open Source - saldo Http Helper

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Back to project page saldo.

License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Saldo - http://github.com/kria/saldo/*from  w w w.  j  a v a2  s . c  o  m*/
 * 
 * Copyright (C) 2010 Kristian Adrup
 * 
 * This file is part of Saldo.
 * 
 * Saldo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Saldo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.adrup.http;

import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;

import java.io.IOException;
import java.util.List;

/**
 * Convenience class for doing GET/POST HTTP requests. Use in own thread!
 * 
 * @author Kristian Adrup
 *
 */
public class HttpHelper {
  private static final String TAG = "HttpHelper";

  public static String get(HttpClient httpClient, String url) throws IOException, HttpException {
    HttpGet request = new HttpGet(url);
    return doRequest(httpClient, request, url, new BasicHttpContext(), true);
  }
  public static String get(HttpClient httpClient, String url, HttpContext context) throws IOException, HttpException {
    HttpGet request = new HttpGet(url);
    return doRequest(httpClient, request, url, context, true);
  }

  public static String post(HttpClient httpClient, String url, List<? extends NameValuePair> parameters)
      throws IOException, HttpException {
    return post(httpClient, url, parameters, true);
  }

  public static String post(HttpClient httpClient, String url, List<? extends NameValuePair> parameters,
      boolean readResponse) throws IOException, HttpException {
    HttpPost request = new HttpPost(url);
    request.setEntity(new UrlEncodedFormEntity(parameters, HTTP.UTF_8));
    return doRequest(httpClient, request, url, new BasicHttpContext(), readResponse);
  }

  private static String doRequest(HttpClient httpClient, HttpUriRequest request, String url,
      HttpContext context, boolean readResponse) throws IOException, HttpException {
    if (httpClient == null)
      httpClient = new DefaultHttpClient();
    
    ResponseHandler<String> responseHandler = new BasicResponseHandler();
    String response = httpClient.execute(request, responseHandler, context);
    
    return response;
  }
}

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