服务器接收客户端请求

 /**

 * 

 */

package com.umessage.splat.web.servlet;

 

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

 

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

 

import net.sf.json.JSONArray;

import net.sf.json.JSONObject;

 

import org.apache.commons.io.IOUtils;

import org.apache.commons.lang.StringUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

 

import com.umessage.splat.core.utils.DesUtils;

import com.umessage.splat.core.utils.FileUtils;

import com.umessage.splat.core.utils.HttpUtils;

import com.umessage.splat.core.utils.PublicReader;

import com.umessage.splat.core.utils.SpringUtil;

import com.umessage.splat.core.utils.Xstream;

import com.umessage.splat.web.aspect.target.Splat;

 

/**

 * 客户端请求入口

 * 

 * @author xugang

 * 

 */

public class ClientEntranceServlet extends HttpServlet {

private static final Logger log = LoggerFactory.getLogger(ClientEntranceServlet.class);

private static final long serialVersionUID = -224091407405073218L;

 

public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {

doPost(request, response);

}

 

@SuppressWarnings("unchecked")

public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {

// String businessPath = "http://localhost:9090/";

String businessPath = "http://localhost:8080/splat-web/";

OutputStream outStream = response.getOutputStream();

Map actions = generateReqParameters(reader(request));

Set> actSet = actions.entrySet();

 

for (Map.Entry ent : actSet) {

long start = System.currentTimeMillis();

String key = ent.getKey();

String[] keys = key.split("&");

String action = keys[0];

String requuid = keys[1];

Object params = ent.getValue();

 

log.debug("当前业务请求是{},请求参数包括：{}, 请求地址：{}", new String[] { action, params.toString(), businessPath + action });

 

outStream.write(requuid.getBytes());// 写入UUID

byte[] data = HttpUtils.fetchEntity(businessPath + action, (Map) params);

byte[] pack = null;

if (FileUtils.isZIP(data)) {

pack = data;

} else {

pack = PublicReader.compressToByte(data);

}

 

outStream.write(Xstream.changebytelength(pack.length).getBytes());// 写入长度

outStream.write(pack);// 写入数据

 

long end = System.currentTimeMillis();

log.debug(">>>>>>请求接口[{}]耗时[{}]ms", businessPath + action, end - start);

 

// 收集日志信息供外部使用

callSplat(action, 200, request.getRemoteAddr(), request.getRequestURI(), request.getMethod(), end - start, (Map) params);

}

outStream.flush();

// response.setCharacterEncoding("UTF-8");

 

}

 

/**

* 获取业务请求地址

* 

* @param request

* @return

*/

@SuppressWarnings("unused")

private String getUrl(HttpServletRequest request) {

String url = request.getRequestURL().toString();

String uri = request.getRequestURI();

String ctx = request.getContextPath();

String businessPath = url.split(uri)[0] + ctx + "/";

return businessPath;

}

 

/**

* 解压、解密请求参数

* 

* 前两位是TAG，接着8位密钥，然后是压缩后的消息体。 对消息题解压后，进行DES解密

* 

* @param request

* @return

*/

private String reader(HttpServletRequest request) {

try {

 

InputStream input = request.getInputStream();

byte[] pack = IOUtils.toByteArray(input);// 用户发送的原始数据

 

byte[] key = new byte[8]; // 密钥

byte[] body = new byte[pack.length - 10]; // 有效的数据体

 

System.out.println("recv data length {{{" + pack.length + "}}}");

System.arraycopy(pack, 2, key, 0, key.length);// 取出密钥

System.arraycopy(pack, 10, body, 0, body.length);// 取出消息体

 

byte[] unpack = PublicReader.uncompressToStringback(body);// 解压后的数据

String jsonstr = DesUtils.parseSignback(unpack, new String(key, "UTF-8"));

log.info("客户端请求明文:{}", jsonstr);

return jsonstr;

} catch (Exception ex) {

ex.printStackTrace();

return null;

}

}

 

/**

* 生成HTTP GET请求参数

* 

* @param str

* @return

*/

@SuppressWarnings({ "rawtypes", "unchecked" })

private static Map generateReqParameters(String str) {

// 业务请求及参数

Map actions = new HashMap();

try

{

JSONObject jsonObject = JSONObject.fromObject(str);

Map pubParams = new HashMap();

pubParams.put("pub.CP_CH", StringUtils.isNotBlank(jsonObject.optString("CP_CH")) ? jsonObject.optString("CP_CH").trim() : "");

pubParams.put("pub.CP_CITYID", StringUtils.isNotBlank(jsonObject.optString("CP_CITYID")) ? jsonObject.optString("CP_CITYID").trim() : "");

pubParams.put("pub.CP_IMEI", StringUtils.isNotBlank(jsonObject.optString("CP_IMEI")) ? jsonObject.optString("CP_IMEI").trim() : "");

pubParams.put("pub.CP_MODEL", StringUtils.isNotBlank(jsonObject.optString("CP_MODEL")) ? jsonObject.optString("CP_MODEL").trim() : "");

pubParams.put("pub.CP_PLTFM", StringUtils.isNotBlank(jsonObject.optString("CP_PLTFM")) ? jsonObject.optString("CP_PLTFM").trim() : "");

pubParams.put("pub.CP_PRT", StringUtils.isNotBlank(jsonObject.optString("CP_PRT")) ? jsonObject.optString("CP_PRT").trim() : "");

pubParams.put("pub.CP_RATIO", StringUtils.isNotBlank(jsonObject.optString("CP_RATIO")) ? jsonObject.optString("CP_RATIO").trim() : "");

pubParams.put("pub.CP_TOUCH", StringUtils.isNotBlank(jsonObject.optString("CP_TOUCH")) ? jsonObject.optString("CP_TOUCH").trim() : "");

pubParams.put("pub.CP_UID", StringUtils.isNotBlank(jsonObject.optString("CP_UID")) ? jsonObject.optString("CP_UID").trim() : "");

pubParams.put("pub.CP_VER", StringUtils.isNotBlank(jsonObject.optString("CP_VER")) ? jsonObject.optString("CP_VER").trim() : "");

pubParams.put("pub.CP_PHONENUM", StringUtils.isNotBlank(jsonObject.optString("CP_PHONENUM")) ? jsonObject.optString("CP_PHONENUM").trim() : "");

pubParams.put("pub.CP_TPL", StringUtils.isNotBlank(jsonObject.optString("CP_TPL")) ? jsonObject.optString("CP_TPL").trim() : "");

pubParams.put("pub.CP_RESVER", StringUtils.isNotBlank(jsonObject.optString("CP_RESVER")) ? jsonObject.optString("CP_RESVER").trim() : "");

pubParams.put("pub.CP_PUBRESPATH", StringUtils.isNotBlank(jsonObject.optString("CP_PUBRESPATH")) ? jsonObject.optString("CP_PUBRESPATH").trim() : "");

pubParams.put("pub.CP_LON", StringUtils.isNotBlank(jsonObject.optString("CP_LON")) ? jsonObject.optString("CP_LON").trim() : "");

pubParams.put("pub.CP_LAT", StringUtils.isNotBlank(jsonObject.optString("CP_LAT")) ? jsonObject.optString("CP_LAT").trim() : "");

 

JSONArray jsonArray = jsonObject.getJSONArray("actions");

for (int i = 0; i < jsonArray.size(); i++) {

Map priParams = new HashMap();

String body = jsonArray.getString(i);

JSONObject jsonBody = JSONObject.fromObject(body);

String action = jsonBody.optString("action");

String requuid = jsonBody.optString("requuid");

 

String paras = jsonBody.optString("paras");

Map jsonParas = parserToMap(paras);

Set> paraSet = jsonParas.entrySet();

for (Map.Entry entry : paraSet) {

String key = entry.getKey();

String value = entry.getValue();

// 处理分页数据

if ("ps".equals(key)) {

priParams.put("page.size", StringUtils.isNotBlank(value) ? value : "10");

continue;

}

if ("pn".equals(key)) {

priParams.put("page.page", StringUtils.isNotBlank(value) ? String.valueOf(Integer.valueOf(value) + 1) : "1");

continue;

}

priParams.put(key, value);

}

priParams.putAll(pubParams);

actions.put(action + "&" + requuid, priParams);

}

}

catch(Exception ex)

{

  ex.printStackTrace();

}

return actions;

}

 

/**

* 将JSON格式字符串转换成Map对象

* 

* @param s

* @return

*/

@SuppressWarnings({ "rawtypes", "unchecked" })

private static Map parserToMap(String s) {

Map map = new HashMap();

JSONObject json = JSONObject.fromObject(s);

Iterator keys = json.keys();

while (keys.hasNext()) {

String key = (String) keys.next();

String value = json.get(key).toString();

if (value.startsWith("{") && value.endsWith("}")) {

map.put(key, parserToMap(value));

} else {

map.put(key, value);

}

 

}

return map;

}

 

/**

* 传递请求参数到系统日志信息目标对象

* 

* @param action

*            业务接口名称

* @param state

*            HTTP响应状态码

* @param ip

*            请求方的IP地址

* @param uri

*            请求的资源描述

* @param method

*            请求的方法（GET / POST）

* @param time

*            从请求开始到处理完成的时间

* @param parameters

*            请求的原始参数

*/

private void callSplat(String action, int state, String ip, String uri, String method, long time, Map parameters) {

Splat splat = (Splat) SpringUtil.getBean("splatImpl");

splat.setAction(action);

splat.setState(state);

splat.setIp(ip);

splat.setUri(uri);

splat.setMethod(method);

splat.setTime(time);

splat.setParameters(parameters);

splat.call();

}

 

public static void main(String[] args) {

String str = "{\"actions\":[{\"paras\":{\"aaa\":\"s8888\",\"lat\":\"39.96922\",\"lon\":\"116.43587\",\"zoom\":\"1\"},\"action\":\"searchbycoupon\",\"requuid\":\"44F9145E-6672-434B-BEA8-415881ED8CB4\"},{\"paras\":{\"lat\":\"39.9r6922\",\"lon\":\"116.43f587\",\"zoom\":\"1\"},\"action\":\"getInverseGeo222\",\"requuid\":\"44F9145E-6672-434B-BEA8-415881ED8CB4\"}],\"CP_PRT\":\"lifeserach\",\"CP_PUBRESPATH\":\"/user/resoruce\",\"CP_UID\":\"34324523452523\",\"CP_PLTFM\":\"iphone\",\"CP_TOUCH\":\"1\",\"CP_CITYID\":\"1000\",\"CP_IMEI\":\"114234123\",\"CP_LON\":\"222\",\"CP_CH\":\"xxx\",\"CP_MODEL\":\"iphone\",\"CP_RATIO\":\"800*233\",\"CP_TPL\":\"iphone\",\"CP_VER\":\"2.6\",\"CP_RESVER\":\"1.0\",\"CP_PHONENUM\":\"12332223432\",\"CP_LAT\":\"111\"}";

Map actions = generateReqParameters(str);

Set> entSet = actions.entrySet();

for (Map.Entry entry : entSet) {

System.out.println(entry.getKey() + " = " + entry.getValue());

}

 

}

 

}