Java对象转xml报文和xml报文转Java对象帮助类

Posted 2020-07-06 @jason

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;

/**
 * xml和java对象转换帮助类
 * Created by DELL on 2016/5/15.
 */
public class XmlHelper {
    /**
     * 将自定义数据对象转化为XML字符串
     *
     * @param clazz  自定义数据类型
     * @param object 自定义数据对象
     * @return XML字符串
     * @throws JAXBException 异常
     */
    public static String objectToXML(Class clazz, Object object) throws JAXBException {
        String xml = null;
        JAXBContext context = JAXBContext.newInstance(clazz);
        Marshaller m = context.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
        Writer w = new StringWriter();
        m.marshal(object, w);
        xml = w.toString();
        return xml;
    }

    /**
     * 将XML字符串转化为自定义数据对象
     *
     * @param clazz 自定义数据类型
     * @param xml   XML字符串
     * @return 自定义数据对象
     * @throws JAXBException 异常
     */
    public static Object xmlToObject(Class clazz, String xml) throws JAXBException {
        JAXBContext context = JAXBContext.newInstance(clazz);
        Unmarshaller um = context.createUnmarshaller();
        return um.unmarshal(new StringReader(xml));
    }
}