package com.icss.daas.core.util;import java.util.Iterator;import java.util.Map;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.params.HttpMethodParams;import org.apache.logging.log4j.Logger;import com.alibaba.fastjson.JSONObject;import org.apache.logging.log4j.LogManager;public class HttpClientUtil {	static Logger logger = LogManager.getLogger(HttpClientUtil.class);	//static Logger logger = LogManager.getLogger(HttpClientUtil.class);	private static String DEFAULT_CHARSET = "UTF-8";	private static int DEFAULT_CONNECTION_TIMEOUT = 10 * 1000;	private static int DEFAULT_SO_TIMEOUT = 10 * 1000;	public static String addUrl(String head, String tail) {		if (head.endsWith("/")) {			if (tail.startsWith("/")) {				return head.substring(0, head.length() - 1) + tail;			} else {				return head + tail;			}		} else {			if (tail.startsWith("/")) {				return head + tail;			} else {				return head + "/" + tail;			}		}	}	/**	 * post请求数据	 * @param url	 * @param params	 * @param charset	 * @return	 * @throws Exception	 */	public synchronized static String postData(String url, JSONObject json, String charset) throws Exception {		//构造HttpClient的实例 		HttpClient httpClient = new HttpClient();		//创建post方法的实例 		PostMethod method = new PostMethod(url);		charset=StringUtils.isBlank(charset)? DEFAULT_CHARSET:charset;				((PostMethod) method).addParameter("json", json.toString());  		HttpMethodParams httpMethodParam = method.getParams();  		httpMethodParam.setContentCharset("UTF-8");  		httpMethodParam.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, charset);		String result = "";		try {			httpClient.executeMethod(method);// 执行postMethod 			result=new String(method.getResponseBody(),charset);		} catch (Exception e) {			throw e;		}finally{			//释放连接 			method.releaseConnection();		}		return result;	}		public synchronized static String postData(String url, Map
    
      header,JSONObject json, String charset) throws Exception {		//构造HttpClient的实例 		HttpClient httpClient = new HttpClient();		//创建post方法的实例 		PostMethod method = new PostMethod(url);		charset=StringUtils.isBlank(charset)? "utf-8":charset;				((PostMethod) method).addParameter("cdata", json.toString());  		HttpMethodParams httpMethodParam = method.getParams();  		httpMethodParam.setContentCharset("UTF-8");  		httpMethodParam.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, charset);		// 添加请求头		Iterator
     
       iter = header.keySet().iterator();		String key = null;		while(iter.hasNext()) {			key = iter.next();			method.addRequestHeader(key,header.get(key));		}		String result = "";		try {			httpClient.executeMethod(method);// 执行postMethod 			result=new String(method.getResponseBody(),charset);		} catch (Exception e) {			logger.error("HTTP以POST请求数据异常", e);			throw e;		}finally{			//释放连接 			method.releaseConnection();		}		return result;	}		/**	 *  get请求数据	 * @param url	 * @param params	 * @param charset	 * @return	 * @throws Exception	 */	public synchronized static String getData(String url, Map
      
        params, String charset) throws Exception {		final  HttpClient httpClient = new HttpClient();		httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(DEFAULT_CONNECTION_TIMEOUT);		httpClient.getHttpConnectionManager().getParams().setSoTimeout(DEFAULT_SO_TIMEOUT);		final GetMethod method = new GetMethod(url);		String result = "";		try {			httpClient.executeMethod(method);			charset=StringUtils.isBlank(charset)? DEFAULT_CHARSET:charset;			result=new String(method.getResponseBody(),charset);		} catch (Exception e) {			logger.info("HTTP以GET请求数据异常", e);			throw e;		}finally{			method.releaseConnection();		}		return result;		}}