package com.xzx.gc.util;
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import org.jdom2.Document;
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import org.jdom2.Element;
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import org.jdom2.JDOMException;
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import org.jdom2.input.SAXBuilder;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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public class XMLUtil {
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/**
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* 解析xml,返回第一级元素键值对。如果第一级元素有子节点，则此节点的值是子节点的xml数据。
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* @param strxml
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* @return
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* @throws JDOMException
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* @throws IOException
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*/
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public static Map doXMLParse(String strxml) throws JDOMException, IOException {
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strxml = strxml.replaceFirst("encoding=\".*\"", "encoding=\"UTF-8\"");
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if(null == strxml || "".equals(strxml)) {
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return null;
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}
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Map m = new HashMap();
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InputStream in = new ByteArrayInputStream(strxml.getBytes("UTF-8"));
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SAXBuilder builder = new SAXBuilder();
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Document doc = builder.build(in);
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Element root = doc.getRootElement();
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List list = root.getChildren();
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Iterator it = list.iterator();
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while(it.hasNext()) {
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Element e = (Element) it.next();
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String k = e.getName();
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String v = "";
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List children = e.getChildren();
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if(children.isEmpty()) {
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v = e.getTextNormalize();
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} else {
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v = XMLUtil.getChildrenText(children);
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}
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m.put(k, v);
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}
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//关闭流
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in.close();
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return m;
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}
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/**
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* 获取子结点的xml
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* @param children
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* @return String
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*/
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public static String getChildrenText(List children) {
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StringBuffer sb = new StringBuffer();
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if(!children.isEmpty()) {
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Iterator it = children.iterator();
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while(it.hasNext()) {
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Element e = (Element) it.next();
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String name = e.getName();
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String value = e.getTextNormalize();
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List list = e.getChildren();
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sb.append("<" + name + ">");
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if(!list.isEmpty()) {
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sb.append(XMLUtil.getChildrenText(list));
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}
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sb.append(value);
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sb.append("</" + name + ">");
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}
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}
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return sb.toString();
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}
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}
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