XmlContextUtil.java

package com.co.lane.util;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;

/**
 * 配置文件载入到指定对象
 * TODO 暂时不睬用自动装配
 * @author Xuyd
 */
public class XmlContextUtil {

	/**
	 * 载入的类
	 */
	private Class<?> clazz;

	/**
	 * 载入的配置文件
	 */
	private ConfigUtil configUtil;

	/**
	 * 字段容器
	 */
	private List<Field> listField = new ArrayList<Field>();

	/**
	 * 
	 * @param type
	 */
	private <T>XmlContextUtil(Class<T> type, ConfigUtil configUtil) {
		this.clazz = type;
		this.configUtil = configUtil;
		
		// add field
		int modify = (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED);
		for (Field f : clazz.getDeclaredFields()) {
			if (f.getModifiers() < modify) {
				Annotation[] annotationX = f.getAnnotations();
				if(annotationX != null && annotationX.length > 0){
					listField.add(f);
				}
			}
		}
	}

	public static <T> XmlContextUtil forClass(Class<T> type, ConfigUtil configUtil) {
		return new XmlContextUtil(type, configUtil);
	}

	public <T> void loadXml(T t){
		for(Field f : listField){
			Annotation a = f.getAnnotations()[0];
			String name = "";
			if(a instanceof XmlElement){
				name = ((XmlElement) a).name();
			}else if(a instanceof XmlAttribute){
				name = ((XmlAttribute) a).name();
			}
		}
	}
}