解析配置xml成map

package com.javen.test;

import java.io.IOException;
import java.io.StringReader;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import org.jdom.Attribute;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;

import com.javen.TestXmlJdom;

public class PropertiesDemo {
/**
* 把xml文件转换为map形式，其中key为有值的节点名称，并以其所有的祖先节点为前缀，用
* "."相连接。如：SubscribeServiceReq.Send_Address.Address_Info.DeviceType
*
* @param xmlStr
* xml内容
* @return Map 转换为map返回
*/
public static TreeMap<String, String> xml2Map(String xmlStr) throws JDOMException, IOException {
TreeMap<String, String> rtnMap = new TreeMap<String, String>();
SAXBuilder builder = new SAXBuilder();
//Document doc = (Document) builder.build(new StringReader(xmlStr));
Document doc = builder.build(TestXmlJdom.class.getClassLoader()
.getResourceAsStream("spring-mail.xml"));
// 得到根节点
Element root = doc.getRootElement();
String rootName = root.getName();
rtnMap.put("root.name", rootName);
// 调用递归函数，得到所有最底层元素的名称和值，加入map中
convert(root, rtnMap, rootName);
return rtnMap;
}

public static String getName(String name){
String value = "";
try {
TreeMap<String, String> map = xml2Map("");
value = map.get(name);
} catch (Exception e) {
e.printStackTrace();
}
return value;
}

/**
* 递归函数，找出最下层的节点并加入到map中，由xml2Map方法调用。
*
* @param e
* xml节点，包括根节点
* @param map
* 目标map
* @param lastname
* 从根节点到上一级节点名称连接的字串
*/
@SuppressWarnings("rawtypes")
public static void convert(Element e, Map<String, String> map, String lastname) {
if (e.getAttributes().size() > 0) {
Iterator it_attr = e.getAttributes().iterator();
while (it_attr.hasNext()) {
Attribute attribute = (Attribute) it_attr.next();
String attrname = attribute.getName();
String attrvalue = e.getAttributeValue(attrname);
// map.put( attrname, attrvalue);
map.put(lastname + "." + attrname, attrvalue); // key 根据根节点进行生成
}
}
List children = e.getChildren();
Iterator it = children.iterator();
while (it.hasNext()) {
Element child = (Element) it.next();
/* String name = lastname + "." + child.getName(); */
String name = child.getName();
// 如果有子节点，则递归调用
if (child.getChildren().size() > 0) {
convert(child, map, lastname + "." + child.getName());
} else {
// 如果没有子节点，则把值加入map
map.put(name, child.getText());
// 如果该节点有属性，则把所有的属性值也加入map
if (child.getAttributes().size() > 0) {
Iterator attr = child.getAttributes().iterator();
while (attr.hasNext()) {
Attribute attribute = (Attribute) attr.next();
String attrname = attribute.getName();
String attrvalue = child.getAttributeValue(attrname);
map.put(lastname + "." + child.getName() + "." + attrname, attrvalue);
}
}
}
}
}

public static void main(String args[]) throws JDOMException, IOException {
String str = "<xml><appid><a>aaaa</a><b>bbbbceshi</b></appid><attach>支付测试</attach><body>APP支付测试</body><mch_id>10000100</mch_id><nonce_str>1add1a30ac87aa2db72f57a2375d8fec</nonce_str>"
+ "<notify_url>http://wxpay.weixin.qq.com/pub_v2/pay/notify.v2.php</notify_url><out_trade_no>1415659990</out_trade_no><spbill_create_ip>14.23.150.211</spbill_create_ip>"
+ "<total_fee>1</total_fee><trade_type>APP</trade_type><sign>0CB01533B8C1EF103065174F50BCA001</sign></xml>";

System.out.println(xml2Map(str));
}

}

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