HttpUtil

package HttpUtil;

import java.io.IOException;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;


public class HttpUtil
{
 public static final String BASE_URL="http://192.168.10.57:8080/LBSServer/";
 
 public static HttpGet getHttpGet(String url)
 {
  HttpGet request = new HttpGet(url);
  return request;
 }
 
 public static HttpPost getHttpPost(String url)
 {
   HttpPost request = new HttpPost(url);
   return request;
 }
 
 public static HttpResponse getHttpResponse(HttpGet request)
 throws ClientProtocolException, IOException
 {
  HttpResponse response = new DefaultHttpClient().execute(request);
  return response;
 }
 
 public static HttpResponse getHttpResponse(HttpPost request)
 throws ClientProtocolException, IOException
 {
  HttpResponse response = new DefaultHttpClient().execute(request);
  return response;
 }
 
 public static String queryStringForPost(String url)
 {
  HttpPost request = HttpUtil.getHttpPost(url);
  String result = null;
  try
  {
   HttpResponse response = HttpUtil.getHttpResponse(request);
   if( 200 == response.getStatusLine().getStatusCode())
   {
    result = EntityUtils.toString(response.getEntity());
    return result;
   }
  }
  catch (ClientProtocolException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForPost!";
   return result;
  }
  catch (IOException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForPost!";
   return result;
  }
        return null;
    }
 
 public static String queryStringForPost(HttpPost request)
 {
  String result = null;
  try
  {
   HttpResponse response = HttpUtil.getHttpResponse(request);
   if( 200 == response.getStatusLine().getStatusCode())
   {
    result = EntityUtils.toString(response.getEntity());
    return result;
   }
  }
  catch (ClientProtocolException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForPost!";
   return result;
  }
  catch (IOException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForPost!";
   return result;
  }
        return null;
    }
 
 public static  String queryStringForGet(String url)
 {
  HttpGet request = HttpUtil.getHttpGet(url);
  String result = null;
  try
  {
   HttpResponse response = HttpUtil.getHttpResponse(request);
   if( 200 == response.getStatusLine().getStatusCode())
   {
    result = EntityUtils.toString(response.getEntity());
    return result;
   }
  }
  catch (ClientProtocolException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForGet!";
   return result;
  }
  catch (IOException e)
  {
   e.printStackTrace();
   result = "Failed in queryStringForGet!";
   return result;
  }
        return null;
    }
}

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