CommonHTTPRequest.java

package com.withiter.quhao.util.http;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
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.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import com.withiter.quhao.util.QuhaoLog;
import com.withiter.quhao.util.tool.QuhaoConstant;

public class CommonHTTPRequest {

	private static String TAG = CommonHTTPRequest.class.getName();

	/**
	 * A HTTP request(POST) with given URL
	 * 
	 * @param strUrl
	 *            the URL you want to request
	 * @return
	 */
	public static String post(String url) throws ClientProtocolException, IOException {
		String result = "";
		try
		{
			String httpUrl = QuhaoConstant.HTTP_URL + url;
			QuhaoLog.d(TAG, "HTTP REQUEST POST, URL: " + httpUrl);
			httpUrl = encodeURL(httpUrl);
			HttpPost request = new HttpPost(httpUrl);
			request.setHeader("user-agent", "QuhaoAndroid");
			
			HttpParams httpParameters = new BasicHttpParams();
			// Set the timeout in milliseconds until a connection is established.
			int timeoutConnection = 60 * 1000;
			HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);

			// Set the default socket timeout in milliseconds which is the timeout
			// for waiting for data.
			int timeoutSocket = 60 * 1000;
			HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

			HttpClient httpClient = new DefaultHttpClient(httpParameters);
			HttpResponse response = httpClient.execute(request);

			QuhaoLog.i(TAG, "get data from server, the status code is  : " + response.getStatusLine().getStatusCode());
			if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				result = EntityUtils.toString(response.getEntity());
				QuhaoLog.v(TAG, "get data from server : " + result);
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
			result = "";
			return result;
		}

		return result;
	}
	
	/**
	 * A HTTP request(POST) with given URL
	 * 
	 * @param strUrl
	 *            the URL you want to request
	 * @return
	 */
	public static String post(String url,Map<String, String> params) throws ClientProtocolException, IOException {
		String result = "";
		try
		{
			String httpUrl = QuhaoConstant.HTTP_URL + url;
			QuhaoLog.d(TAG, "HTTP REQUEST POST, URL: " + httpUrl);
			httpUrl = encodeURL(httpUrl);
			HttpPost request = new HttpPost(httpUrl);
			request.setHeader("user-agent", "QuhaoAndroid");
			
			HttpParams httpParameters = new BasicHttpParams();
			// Set the timeout in milliseconds until a connection is established.
			int timeoutConnection = 60 * 1000;
			HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);

			// Set the default socket timeout in milliseconds which is the timeout
			// for waiting for data.
			int timeoutSocket = 60 * 1000;
			HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

			HttpClient httpClient = new DefaultHttpClient(httpParameters);
			
			if (params != null && !params.isEmpty()) {
				List<NameValuePair>  paramList = new ArrayList<NameValuePair>();
				NameValuePair param = null;
				for (Map.Entry<String, String> it : params.entrySet()) {
					param = new BasicNameValuePair(it.getKey(), it.getValue());
					paramList.add(param);
				}
				
				request.setEntity(new UrlEncodedFormEntity(paramList, HTTP.UTF_8));
			}
			
			HttpResponse response = httpClient.execute(request);

			QuhaoLog.i(TAG, "get data from server, the status code is  : " + response.getStatusLine().getStatusCode());
			if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				result = EntityUtils.toString(response.getEntity());
				QuhaoLog.v(TAG, "get data from server : " + result);
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
			result = "";
			return result;
		}

		return result;
	}

	/**
	 * A HTTP request(GET) with given URL
	 * 
	 * @param strUrl the URL you want to request
	 * @return
	 */
	public static String get(String url) throws ClientProtocolException, IOException {
		String result = "";
		try
		{
			String httpUrl = QuhaoConstant.HTTP_URL + url;
			QuhaoLog.d(TAG, "HTTP REQUEST GET, URL: " + httpUrl);
			httpUrl = encodeURL(httpUrl);
			QuhaoLog.d(TAG, "HTTP REQUEST GET, URL after encode: " + httpUrl);
			HttpGet request = new HttpGet(httpUrl);
			request.setHeader("user-agent", "QuhaoAndroid");

			HttpParams httpParameters = new BasicHttpParams();
			// Set the timeout in milliseconds until a connection is established.
			int timeoutConnection = 60 * 1000;
			HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);

			// Set the default socket timeout in milliseconds which is the timeout
			// for waiting for data.
			int timeoutSocket = 60 * 1000;
			HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

			HttpClient httpClient = new DefaultHttpClient(httpParameters);
			HttpResponse response = httpClient.execute(request);
			QuhaoLog.i(TAG, "get data from server, the status code is  : " + response.getStatusLine().getStatusCode());
			if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				result = EntityUtils.toString(response.getEntity());
				QuhaoLog.v(TAG, "get data from server : " + result);
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
			result = "";
			return result;
		}

		return result;
	}

	private static String encodeURL(String httpUrl) throws UnsupportedEncodingException {
		String[] strs = httpUrl.split("\\?");

		if (strs.length > 1) {
			httpUrl = strs[0] + "?";
			String[] paramStr = strs[1].split("&");
			for (int i = 0; i < paramStr.length; i++) {
				String params[] = paramStr[i].split("=");

				if (params.length > 1) {
					if (i == 0) {
						httpUrl = httpUrl + params[0] + "=" + URLEncoder.encode(params[1], "UTF-8");
						continue;
					}
					httpUrl = httpUrl + "&" + params[0] + "=" + URLEncoder.encode(params[1], "UTF-8");
				} else {
					if (i == 0) {
						httpUrl = httpUrl + params[0] + "=" + URLEncoder.encode("", "UTF-8");
						continue;
					}
					httpUrl = httpUrl + "&" + params[0] + "=" + URLEncoder.encode("", "UTF-8");
				}
			}
		}
		return httpUrl;
	}
}