pom.xml
<dependency>
<groupId>com.thoughtworks.xstream</groupId>
<artifactId>xstream</artifactId>
<version>1.4.10</version>
</dependency>
XmlUtil.java
package com.app.core.util;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.core.util.QuickWriter;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.naming.NoNameCoder;
import com.thoughtworks.xstream.io.xml.CompactWriter;
import com.thoughtworks.xstream.io.xml.DomDriver;
import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;
import com.thoughtworks.xstream.io.xml.XppDriver;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
public class XmlUtil {
/**
* 转换不带CDDATA的XML
*
* @return
* @
*/
private static XStream getXStream() {
// 实例化XStream基本对象
XStream xstream = new XStream(new DomDriver(StandardCharsets.UTF_8.name(), new NoNameCoder() {
// 不对特殊字符进行转换,避免出现重命名字段时的“双下划线”
public String encodeNode(String name) {
return name;
}
}));
// 忽视XML与JAVABEAN转换时,XML中的字段在JAVABEAN中不存在的部分
xstream.ignoreUnknownElements();
return xstream;
}
/**
* 转换带CDDATA的XML
*
* @return
* @
*/
private static XStream getXStreamWithCData() {
// 实例化XStream扩展对象
XStream xstream = new XStream(new XppDriver() {
// 扩展xstream,使其支持CDATA块
public HierarchicalStreamWriter createWriter(Writer out) {
return new PrettyPrintWriter(out) {
// 不对特殊字符进行转换,避免出现重命名字段时的“双下划线”
public String encodeNode(String name) {
return name;
}
// 对所有xml节点的转换都增加CDATA标记
protected void writeText(QuickWriter writer, String text) {
writer.write("<![CDATA[");
writer.write(text);
writer.write("]]>");
}
};
}
});
// 忽视XML与JAVABEAN转换时,XML中的字段在JAVABEAN中不存在的部分
xstream.ignoreUnknownElements();
return xstream;
}
/**
* 以压缩的方式输出XML
*
* @param obj
* @return
*/
public static String toCompressXml(Object obj) {
XStream xstream = getXStream();
StringWriter sw = new StringWriter();
// 识别obj类中的注解
xstream.processAnnotations(obj.getClass());
// 设置JavaBean的类别名
xstream.aliasType("xml", obj.getClass());
xstream.marshal(obj, new CompactWriter(sw));
return sw.toString();
}
/**
* 以格式化的方式输出XML
*
* @param obj
* @return
*/
public static String toXml(Object obj) {
XStream xstream = getXStream();
// 识别obj类中的注解
xstream.processAnnotations(obj.getClass());
// 设置JavaBean的类别名
xstream.aliasType("xml", obj.getClass());
return xstream.toXML(obj);
}
/**
* 转换成JavaBean
*
* @param xmlStr
* @param cls
* @return
*/
@SuppressWarnings("unchecked")
public static <T> T toBean(String xmlStr, Class<T> cls) {
XStream xstream = getXStream();
// 识别cls类中的注解
xstream.processAnnotations(cls);
// 设置JavaBean的类别名
xstream.aliasType("xml", cls);
T t = (T) xstream.fromXML(xmlStr);
return t;
}
/**
* 以格式化的方式输出XML
*
* @param obj
* @return
*/
public static String toXmlWithCData(Object obj) {
XStream xstream = getXStreamWithCData();
// 识别obj类中的注解
xstream.processAnnotations(obj.getClass());
// 设置JavaBean的类别名
xstream.aliasType("xml", obj.getClass());
return xstream.toXML(obj);
}
/**
* 转换成JavaBean
*
* @param xmlStr
* @param cls
* @return
*/
@SuppressWarnings("unchecked")
public static <T> T toBeanWithCData(String xmlStr, Class<T> cls) {
XStream xstream = getXStreamWithCData();
// 识别cls类中的注解
xstream.processAnnotations(cls);
// 设置JavaBean的类别名
xstream.alias("xml", cls);
T t = (T) xstream.fromXML(xmlStr);
return t;
}
}