java httppost jar_javaʹÓÃhttpclient·¢ËÍpostÇëÇóʾÀý

package org.ssi.util;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import net.sf.json.JSONArray;

import org.apache.commons.lang.exception.ExceptionUtils;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.http.HttpResponse;

import org.apache.http.HttpStatus;

import org.apache.http.NameValuePair;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.protocol.HTTP;

import org.apache.http.util.EntityUtils;

public class APIHttpClient {

//½Ó¿ÚµØÖ·

private String apiURL = "";

private Log logger = LogFactory.getLog(this.getClass());

private static final String pattern = "yyyy-MM-dd HH:mm:ss:SSS";

private HttpClient httpClient = null;

private HttpPost method = null;

private long startTime = 0L;

private long endTime = 0L;

private int status = 0;

/**

* ½Ó¿ÚµØÖ·

* @param url

*/

public APIHttpClient(String url){

if(url != null)

{

this.apiURL = url;

}

if(apiURL != null)

{

httpClient = new DefaultHttpClient();

method = new HttpPost(apiURL);

}

}

/**

* µ÷ÓÃ API

* @param parameters

* @return

*/

public String post(String parameters)

{

String body = null;

logger.info("parameters:" + parameters);

if(method != null & parameters != null && !"".equals(parameters.trim()))

{

JSONArray jsonObject = JSONArray.fromObject(parameters);

logger.info("json:" + jsonObject.toString());

try{

List params=new ArrayList();

//½¨Á¢Ò»¸öNameValuePairÊý×é，ÓÃÓÚ´æ´¢Óû´«Ë͵IJÎÊý

params.add(new BasicNameValuePair("data",parameters));

//Ìí¼Ó²ÎÊý

method.setEntity(new UrlEncodedFormEntity(params,HTTP.UTF_8));

startTime = System.currentTimeMillis();

//ÉèÖñàÂë

HttpResponse response=httpClient.execute(method);

endTime = System.currentTimeMillis();

int statusCode = response.getStatusLine().getStatusCode();

logger.info("statusCode:" + statusCode);

logger.info("µ÷ÓÃAPI »¨·Ñʱ¼ä(µ¥Î»：ºÁÃë)：" + (endTime - startTime));

if(statusCode != HttpStatus.SC_OK){

logger.error("Method failed:"+response.getStatusLine());

status = 1;

}

//Read the response body

body=EntityUtils.toString(response.getEntity());

}catch(IOException e){

//·¢ÉúÍøÂçÒì³£

logger.error("exception occurred!\n"+ExceptionUtils.getFullStackTrace(e));

//ÍøÂç´íÎó

status = 3;

}

finally{

logger.info("µ÷ÓýӿÚ״̬：" + status);

}

}

return body;

}

/**

* 0.³É¹¦ 1.Ö´Ðз½·¨Ê§°Ü 2.ЭÒé´íÎó 3.ÍøÂç´íÎó

* @return the status

*/

public int getStatus() {

return status;

}

/**

* @param status the status to set

*/

public void setStatus(int status) {

this.status = status;

}

/**

* @return the startTime

*/

public long getStartTime() {

return startTime;

}

/**

* @return the endTime

*/

public long getEndTime() {

return endTime;

}

}