package com.ivchat.common.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Map;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.apache.commons.httpclient.Cookie;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.log4j.Logger;
/**
* @author 居里智能 2014-08-14
* @version 1.0.0 Servlet工具类
*/
public class ServletUtil {
private static Logger logger = Logger.getLogger(ServletUtil.class);
/**
* 直接发送消息对象
*
* @param rsp
* @param msgOut
* 待发送的消息对象
*/
public static void send(HttpServletResponse rsp, String msgOut) {
logger.info("-----回应客户端---"+msgOut);
//System.out.println(msgOut);
rsp.setCharacterEncoding("UTF-8");
rsp.setContentType("text/html;charset=UTF-8");
OutputStreamWriter ow = null;
ServletOutputStream servletOut = null;
try {
servletOut = rsp.getOutputStream();
ow = new OutputStreamWriter(servletOut, "UTF-8");
ow.write(msgOut);
} catch (IOException e) {
logger.error("向手机客户端发送信息异常:{}"+ e.toString(),e);
} finally {
try {
if (ow != null) {
ow.close();
}
if (servletOut != null) {
servletOut.close();
}
} catch (IOException e) {
logger.error("向手机客户端发送信息后，释放资源异常:{}"+e.toString(),e);
}
}
}
public static String getRequestContent(HttpServletRequest request,boolean statu) {
/*return (String) request.getAttribute("param");*/
logger.info("-----接收到客户端信息-----" + request.getRemoteHost());
logger.info("-----接收到客户端url-----" + request.getRequestURI());
InputStream is = null;
InputStreamReader isr = null;
BufferedReader br = null;
String retString = null;
try {
request.setCharacterEncoding("UTF-8");
StringBuffer sb=new StringBuffer();
is=request.getInputStream();
isr=new InputStreamReader(is,"UTF-8");
br=new BufferedReader(isr);
String s="";
while ((s = br.readLine()) != null) {
sb.append(s);
}
//System.out.println(sb.toString());
retString = sb.toString();
logger.info("-----接收到客户端参数-----" + retString);
} catch (Exception e) {
logger.error("读取手机客户端数据异常:{}"+ e.toString(),e);
}
finally{
try {
if (br!=null) {
br.close();
}
if (isr!=null) {
isr.close();
}
if (is!=null) {
is.close();
}
} catch (Exception e2) {
logger.error("接收手机客户端信息后，释放资源异常:{}"+ e2.toString(),e2);
}
}
return retString;
}
public static String getRequestContent(HttpServletRequest request) {
/*return (String) request.getAttribute("param");*/
logger.info("-----接收到客户端信息-----" + request.getRemoteHost());
logger.info("-----接收到客户端url-----" + request.getRequestURI());
InputStream is = null;
InputStreamReader isr = null;
BufferedReader br = null;
String retString = null;
try {
request.setCharacterEncoding("UTF-8");
StringBuffer sb=new StringBuffer();
is=request.getInputStream();
isr=new InputStreamReader(is,"UTF-8");
br=new BufferedReader(isr);
String s="";
while ((s = br.readLine()) != null) {
sb.append(s);
}
//System.out.println(sb.toString());
retString = sb.toString();
logger.info("-----接收到客户端参数-----" + retString);
} catch (Exception e) {
logger.error("读取客户端数据异常:{}"+e.toString(),e);
}
finally{
try {
if (br!=null) {
br.close();
}
if (isr!=null) {
isr.close();
}
if (is!=null) {
is.close();
}
} catch (Exception e2) {
logger.error("接收客户端信息后，释放资源异常:{}"+ e2.toString(),e2);
}
}
return retString;
}
public static String processInput(InputStream input){
byte[] response = null;
ByteArrayOutputStream byteArrayOutput = null;
String res = null;
try{
if (input != null) {
byteArrayOutput = new ByteArrayOutputStream();
byte[] temp = new byte[1024];
int len = 0;
while ((len = input.read(temp)) > 0) {
byteArrayOutput.write(temp, 0, len);
}
input = null;
response = byteArrayOutput.toByteArray();
}
res = new String(response, "UTF-8").trim();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (byteArrayOutput != null) {
byteArrayOutput.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return res;
}
/**
* 发送JSON消息
*
* @param rsp
* @param msgOut
* @author 居里智能
*/
public static String send(HttpServletResponse rsp, Map<String, Object> jsonMap) {
JSONArray jsonArray = JSONArray.fromObject(jsonMap);
String respString = jsonArray.toString();
rsp.setCharacterEncoding("UTF-8");
rsp.setContentType("text/html;charset=UTF-8");
OutputStreamWriter ow = null;
ServletOutputStream servletOut = null;
try {
servletOut = rsp.getOutputStream();
ow = new OutputStreamWriter(servletOut, "UTF-8");
ow.write(respString);
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (ow != null) {
ow.close();
}
if (servletOut != null) {
servletOut.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return respString;
}
/**
* @affect 在一组cookies里面，通过name取value
* @param cookies
* @param cookieName
* @return String
* @exception 无
*/
public static String getCookieValue(Cookie[] cookies, String cookieName) {
if (cookies == null)
return null;
if (cookieName == null)
return null;
String cookieValue = "";
for (int i = 0; i < cookies.length; i++) {
if (cookieName.equals(cookies[i].getName())) {
cookieValue = cookies[i].getValue();
}
}
return cookieValue;
}
public static String getJsonRequestContent(HttpServletRequest request) {
logger.info("-----接收到客户端信息-----" + request.getRemoteHost());
logger.info("-----接收到客户端url-----" + request.getRequestURI());
InputStream is = null;
InputStreamReader isr = null;
BufferedReader br = null;
String retString = null;
try {
request.setCharacterEncoding("UTF-8");
StringBuffer sb=new StringBuffer();
is=request.getInputStream();
isr=new InputStreamReader(is,"UTF-8");
br=new BufferedReader(isr);
String s="";
while ((s = br.readLine()) != null) {
sb.append(s);
}
//System.out.println(sb.toString());
request.setAttribute("param", sb.toString());
retString = sb.toString();
logger.info("-----接收到客户端参数-----" + retString);
} catch (Exception e) {
logger.error("读取手机客户端数据异常:{}"+e.toString(),e);
}
finally{
try {
if (br!=null) {
br.close();
}
if (isr!=null) {
isr.close();
}
if (is!=null) {
is.close();
}
} catch (Exception e2) {
logger.error("接收手机客户端信息后，释放资源异常:{}"+ e2.toString(),e2);
}
}
return retString;
}
/**通过request获取参数转成json
* yehz 2015-3-30
* @param request
* @return
*
*/
public static JSONObject getParamByRequest(HttpServletRequest request){
Map parammap= request.getParameterMap();
JSONObject js = new JSONObject();
if (parammap!=null&¶mmap.size()>0){
for (Object key :parammap.keySet()){
if (key instanceof String){
js.put(key,((Object[])parammap.get(key))[0]);
}
}
}
return js;
}
}