Http Get and Http Post class

gistfile1.txt

package Backend;

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

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

public class ServiceHandler {
	static String response = null;
	public final static int GET = 1;
	public final static int POST = 2;

	public ServiceHandler() {

	}

	/**
	 * Making service call
	 * 
	 * @url - url to make request
	 * @method - http request method
	 * */
	public String makeServiceCall(String url, int method) {
		return this.makeServiceCall(url, method, null);
	}

	/**
	 * Making service call
	 * 
	 * @url - url to make request
	 * @method - http request method
	 * @params - http request params
	 * */
	public String makeServiceCall(String url, int method,
			List<NameValuePair> params) {
		try {
			// http client
			DefaultHttpClient httpClient = new DefaultHttpClient();
			HttpEntity httpEntity = null;
			HttpResponse httpResponse = null;

			// Checking http request method type
			if (method == POST) {
				HttpPost httpPost = new HttpPost(url);
				// adding post params
				if (params != null) {
					httpPost.setEntity(new UrlEncodedFormEntity(params));
				}

				httpResponse = httpClient.execute(httpPost);

			} else if (method == GET) {
				// appending params to url
				if (params != null) {
					String paramString = URLEncodedUtils
							.format(params, "utf-8");
					url += "?" + paramString;
				}
				HttpGet httpGet = new HttpGet(url);

				httpResponse = httpClient.execute(httpGet);

			}
			httpEntity = httpResponse.getEntity();
			response = EntityUtils.toString(httpEntity);

		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		return response;

	}
}


// how to use 
//ServiceHandler sh = new ServiceHandler();
//String jsonStr = sh.makeServiceCall(url, ServiceHandler.GET);