[JAVA] Java对象和XML相互转换

Java对象和XML相互转换
实际测试环境为:java 8

/**
 * 类说明：xml和对象的相互转换
 * <p>类需加注解"@XmlRootElement()"</br>
 * 类字段加注解"@XmlAttribute(required=false)"来不生成到Xml中
 */
public class XmlKit
{
    /**
     * xml转换为对象
     * 
     * @param xml
     * @param clazz
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <T> T toObject(String xml,Class<T> clazz)
    {
        try
        {
            JAXBContext context=JAXBContext.newInstance(clazz);
            Unmarshaller unmarshaller=context.createUnmarshaller();
            StringReader sr=new StringReader(xml);
            return (T)unmarshaller.unmarshal(sr);
        }
        catch(JAXBException e)
        {
            e.printStackTrace();
            return null;
        }
    }
    /**
     * 对象转换为xml
     * 
     * @param obj
     * @return
     */
    public static String toXml(Object obj)
    {
        try
        {
            JAXBContext context=JAXBContext.newInstance(obj.getClass());
            Marshaller marshaller=context.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,Boolean.TRUE);
            StringWriter sw=new StringWriter();
            marshaller.marshal(obj,sw);
            return sw.toString();
        }
        catch(JAXBException e)
        {
            e.printStackTrace();
            return null;
        }
    }
}