/**
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* Project Name:pay-protocol
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* File Name:Xml.java
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* Package Name:cn.swiftpass.pay.protocol
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* Date:2014-8-10下午10:48:21
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*
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*/
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package com.mandi.common;
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import org.dom4j.Document;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import org.xml.sax.InputSource;
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import javax.servlet.ServletInputStream;
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import javax.servlet.http.HttpServletRequest;
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import java.io.*;
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import java.util.*;
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/**
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* ClassName:Xml
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* Function: XML的工具方法
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* Date: 2014-8-10 下午10:48:21
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* @author
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*/
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@SuppressWarnings({"rawtypes","unchecked"})
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public class XmlUtils {
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/** <一句话功能简述>
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* <功能详细描述>request转字符串
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* @param request
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* @return
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* @see [类、类#方法、类#成员]
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*/
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public static String parseRequst(HttpServletRequest request){
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String body = "";
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try {
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ServletInputStream inputStream = request.getInputStream();
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BufferedReader br = new BufferedReader(new InputStreamReader(inputStream,"utf-8"));
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while(true){
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String info = br.readLine();
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if(info == null){
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break;
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}
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if(body == null || "".equals(body)){
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body = info;
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}else{
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body += info;
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}
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}
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return body;
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}
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public static String parseXML(SortedMap<String, String> parameters) {
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StringBuffer sb = new StringBuffer();
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sb.append("<xml>");
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Set es = parameters.entrySet();
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Iterator it = es.iterator();
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while (it.hasNext()) {
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Map.Entry entry = (Map.Entry)it.next();
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String k = (String)entry.getKey();
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String v = (String)entry.getValue();
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if (null != v && !"".equals(v) && !"appkey".equals(k)) {
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sb.append("<" + k + ">" + parameters.get(k) + "</" + k + ">\n");
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}
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}
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sb.append("</xml>");
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return sb.toString();
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}
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/**
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* 从request中获得参数Map，并返回可读的Map
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*
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* @param request
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* @return
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*/
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public static SortedMap getParameterMap(HttpServletRequest request) {
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// 参数Map
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Map properties = request.getParameterMap();
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// 返回值Map
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SortedMap returnMap = new TreeMap();
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Iterator entries = properties.entrySet().iterator();
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Map.Entry entry;
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String name = "";
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String value = "";
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while (entries.hasNext()) {
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entry = (Map.Entry) entries.next();
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name = (String) entry.getKey();
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Object valueObj = entry.getValue();
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if(null == valueObj){
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value = "";
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}else if(valueObj instanceof String[]){
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String[] values = (String[])valueObj;
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for(int i=0;i<values.length;i++){
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value = values[i] + ",";
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}
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value = value.substring(0, value.length()-1);
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}else{
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value = valueObj.toString();
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}
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returnMap.put(name, value.trim());
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}
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returnMap.remove("method");
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return returnMap;
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}
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/**
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* 转XMLmap
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* @author
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* @param xmlBytes
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* @param charset
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* @return
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* @throws Exception
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*/
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public static Map<String, String> toMap(byte[] xmlBytes,String charset) throws Exception{
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SAXReader reader = new SAXReader(false);
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InputSource source = new InputSource(new ByteArrayInputStream(xmlBytes));
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source.setEncoding(charset);
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Document doc = reader.read(source);
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Map<String, String> params = XmlUtils.toMap(doc.getRootElement());
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return params;
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}
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/**
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* 转MAP
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* @author
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* @param element
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* @return
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*/
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public static Map<String, String> toMap(Element element){
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Map<String, String> rest = new HashMap<String, String>();
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List<Element> els = element.elements();
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for(Element el : els){
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rest.put(el.getName().toLowerCase(), el.getText());
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}
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return rest;
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}
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public static String toXml(Map<String, String> params){
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StringBuilder buf = new StringBuilder();
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List<String> keys = new ArrayList<String>(params.keySet());
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Collections.sort(keys);
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buf.append("<xml>");
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for(String key : keys){
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buf.append("<").append(key).append(">");
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buf.append("<![CDATA[").append(params.get(key)).append("]]>");
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buf.append("</").append(key).append(">\n");
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}
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buf.append("</xml>");
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return buf.toString();
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}
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}
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