Java Reflection Method Get from Object getMethodsIncludingHierarchy(Object comp, Class annotation)

Description

same as getMethod but uses while loop to check hierarchy

License

LGPL

Parameter

Parameter	Description
comp	a parameter
annotation	a parameter

Declaration

public static List<Method> getMethodsIncludingHierarchy(Object comp, Class<? extends Annotation> annotation) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.lang.annotation.Annotation;

import java.lang.reflect.Method;
import java.util.LinkedList;
import java.util.List;

public class Main {
    /**//from  w  ww  .  j a  va 2s . c  om
     * same as getMethod but uses while loop to check hierarchy
     * @param comp
     * @param annotation
     * @return
     */
    public static List<Method> getMethodsIncludingHierarchy(Object comp, Class<? extends Annotation> annotation) {
        LinkedList<Method> result = new LinkedList<Method>();
        Class<?> current = comp.getClass();
        while (current != null) {
            result.addLast(getMethod(current, annotation));
            current = current.getSuperclass();
        }
        return result;
    }

    /**
     * Checks for annotation of the class
     * @param compClassOrSuper
     * @param annotation
     * @return
     */

    private static Method getMethod(Class<?> compClassOrSuper, Class<? extends Annotation> annotation) {
        for (Method m : compClassOrSuper.getMethods()) {
            if (m.getAnnotation(annotation) != null) {
                return m;
            }
        }
        return null;
    }
}

Related

1. getMethodsAnnotatedWith(Class ann, Object o)
2. getMethodsAnnotatedWith(Object target, Class annotation)
3. getMethodsAnnotatedWithValue(Class anno, Object o, String name, Object value)
4. getMethodsByStartsWithName(String name, Object o)
5. getMethodsForObject(Object o2, String[] passedMethods)
6. getMethodValue(Method method, Object instance)
7. getMethodValue(Object base, Method method)
8. getMethodValue(Object target, String methodName)
9. getMethodVector(Object object)