注解解析工具类_注释解析工具

package anotention;
 
import java.lang.reflect.Field;
import java.lang.reflect.Method;
 
/**
 * 注解解析的工具类
 * 
 * @author Administrator
 *
 */
public class AnotentionParseUtils {
 
	/**
	 * 獲取類，主要先獲取类名
	 * 
	 * @param className
	 * @return
	 * @throws ClassNotFoundException
	 */
	public static Class getClass(String className)
			throws ClassNotFoundException {
 
		if (className.equals(null) || className == null) {
 
			return null;
		}
		return Class.forName(className);
	}
 
	/**
	 * 解析类注解
	 * 
	 * @throws ClassNotFoundException
	 */
	public static void parseClassAnotention(Class<?> cls)throws ClassNotFoundException {
		/**
		 * 判断是否存在指定的注解类型--这里判断是否存在类注解
		 */
		if (cls.isAnnotationPresent(Anotention.class)) {
 
			Anotention des = (Anotention) cls.getAnnotation(Anotention.class);
 
			System.out.println("解析注解类型值为:" + des.value());
 
			TestAnnotation test = new TestAnnotation();
			test.test();
 
		}
 
	}
 
	/**
	 * 解析方法上的注解
	 * 
	 * @throws ClassNotFoundException
	 */
	public static void parseMethodAnotention(Class<?> cls) throws ClassNotFoundException {
 
 
		final Method[] method = cls.getMethods();
 
		for (Method ms : method) {
			if (ms.isAnnotationPresent(Anotention.class)) {
 
				Anotention methodDes = (Anotention) ms
						.getAnnotation(Anotention.class);
 
				System.out.println("解析方法上的注解:" + methodDes.value());
 
				System.out.println("解析方法上的注解:desc" + methodDes.desc());
			}
		}
	}
 
	/**
	 * 解析属性注解
	 * 
	 * @throws ClassNotFoundException
	 */
	public static void parseAttributeAnotention(Class<?> cls)throws ClassNotFoundException {
 
		Field[] fileds = cls.getDeclaredFields();
 
		for (Field f : fileds) {
 
			if (f.isAnnotationPresent(Anotention.class)) {
 
				Anotention methodDes = (Anotention) f
						.getAnnotation(Anotention.class);
 
				System.out.println("解析属性上的注解:" + methodDes.value());
 
				System.out.println("解析属性上的注解:desc" + methodDes.desc());
			}
 
		}
 
	}
 
}