Java Reflection Interface Get getAllInterfaces(Object object)

Description

Return all interfaces that the given object implements as array, including ones implemented by superclasses.

License

Apache License

Parameter

Parameter	Description
object	the object to analyse for interfaces

Return

all interfaces that the given object implements as array

Declaration

public static Class[] getAllInterfaces(Object object) 

Method Source Code

//package com.java2s;
/*/*from   w ww .ja  v a 2 s  .  c  o  m*/
 * Copyright 2002-2004 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.ArrayList;
import java.util.List;

public class Main {
    /**
     * Return all interfaces that the given object implements as array,
     * including ones implemented by superclasses.
     * @param object the object to analyse for interfaces
     * @return all interfaces that the given object implements as array
     */
    public static Class[] getAllInterfaces(Object object) {
        List interfaces = getAllInterfacesAsList(object);
        return (Class[]) interfaces.toArray(new Class[interfaces.size()]);
    }

    /**
     * Return all interfaces that the given object implements as List,
     * including ones implemented by superclasses.
     * @param object the object to analyse for interfaces
     * @return all interfaces that the given object implements as List
     */
    public static List getAllInterfacesAsList(Object object) {
        List interfaces = new ArrayList();
        Class clazz = object.getClass();
        while (clazz != null) {
            for (int i = 0; i < clazz.getInterfaces().length; i++) {
                Class ifc = clazz.getInterfaces()[i];
                interfaces.add(ifc);
            }
            clazz = clazz.getSuperclass();
        }
        return interfaces;
    }
}

Related

1. getAllInterfaces(Class clazz)
2. getAllInterfaces(Class clazz)
3. getAllInterfaces(Class cls)
4. getAllInterfaces(Class cls)
5. getAllInterfaces(Class type)
6. getAllInterfaces(Set> searchInterfaces, Class clazz)
7. getAllInterfacesForClass(Class clazz)
8. getAllInterfacesNames(Class aClass)
9. getClassHierarchy(Class c, boolean includeInterfaces)