ToolXml

package com.platform.tools;

import java.io.Writer;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

import com.jfinal.log.Log;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.core.util.QuickWriter;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.xml.DomDriver;
import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;
import com.thoughtworks.xstream.mapper.MapperWrapper;

/**
* XML工具类
* @author wolf
*/
public abstract class ToolXml {

@SuppressWarnings("unused")
private static final Log log = Log.getLog(ToolXml.class);

/**
* 获取XStream对象
* @return
*/
public static XStream getXStream() {
//在文本前后加上<![CDATA[和]]>
DomDriver domDriver = new DomDriver() {
public HierarchicalStreamWriter createWriter(Writer out) {
return new PrettyPrintWriter(out) {
protected void writeText(QuickWriter writer, String text) {
if (text.startsWith("<![CDATA[") && text.endsWith("]]>")) {
writer.write(text);
} else {
//super.writeText(writer, text);
super.writeText(writer, "<![CDATA[" + text + "]]>");
}
}
};
};
};

//去除XML属性在JavaBean中映射不到属性值的异常
XStream xStream = new XStream(domDriver){
protected MapperWrapper wrapMapper(MapperWrapper next) {
return new MapperWrapper(next) {
@SuppressWarnings("rawtypes")
public boolean shouldSerializeMember(Class definedIn, String fieldName) {
if (definedIn == Object.class) {
try {
return this.realClass(fieldName) != null;
} catch(Exception e) {
return false;
}
} else {
return super.shouldSerializeMember(definedIn, fieldName);
}
}
};
}
};

return xStream;
}

/**
* 获取xml一级节点文本值，不区分元素名称大小写
* @param xml
* @param element
* @return
*/
@SuppressWarnings("rawtypes")
public static String getStairText(String xml, String elementName){
elementName = elementName.toLowerCase();
String result = null;
try {
Document doc = DocumentHelper.parseText(xml);
Element root = doc.getRootElement();
for(Iterator iterTemp = root.elementIterator(); iterTemp.hasNext();) {
Element element = (Element) iterTemp.next();
if(element.getName().toLowerCase().equals(elementName)){
result = element.getText();
}
}
} catch (DocumentException e) {
e.printStackTrace();
}
return result;
}

/**
* 把xml转bean对象
* @param xml
* @param map
* @return
*/
public static Object xmlToBean(String xml, Map<String, Class<?>> map) {
XStream xStream = getXStream();
Set<String> keys = map.keySet();
for (String key : keys) {
xStream.alias(key, map.get(key));
}
return xStream.fromXML(xml);
}

/**
* bean对象转xml
* @param bean
* @param rootClass 根节点名称转换
* @return
*/
public static String beanToXml(Object bean, Class<?> rootClass){
XStream xStream = getXStream();
xStream.alias("xml", rootClass);
String content = xStream.toXML(bean);
content = content.replaceAll("&lt;", "<");// <
content = content.replaceAll("&gt;", ">");// >
return content;
}

public static void main(String[] args) {
// String xml = "<xml>";
// xml += "<URL><![CDATA[http://littleant.duapp.com/msg]]></URL>";
// xml += "<ToUserName><![CDATA[jiu_guang]]></ToUserName>";
// xml += "<FromUserName><![CDATA[dongcb678]]></FromUserName>";
// xml += "<CreateTime>11</CreateTime>";
// xml += "<MsgType><![CDATA[text\\//]]></MsgType>";
// xml += "<Content><![CDATA[wentest]]></Content>";
// xml += "<MsgId>11</MsgId>";
// xml += "</xml>";

// Map<String, Class<?>> map = new HashMap<String, Class<?>>();
// map.put("xml", RecevieMsgText.class);
//
// RecevieMsgText recevie = (RecevieMsgText) xmlToBean(xml, map);
//
// System.out.println(beanToXml(recevie, RecevieMsgText.class));
}

}