org.glassfish.hk2.utilities.reflection.ClassReflectionHelper Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.hk2.utilities.reflection;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Set;
/**
* An interface representing useful reflection utilities
*
* @author jwells
*/
public interface ClassReflectionHelper {
/**
* Gets all methods for a class (taking class heirarchy into account)
*
* @param clazz The class to analyze for all methods
* @return The set of all methods on this class (and all subclasses)
*/
public Set getAllMethods(Class clazz);
/**
* Creates a method wrapper from the given method
*
* @param m A non-null method to create a wrapper from
* @return A method wrapper
*/
public MethodWrapper createMethodWrapper(Method m);
/**
* Gets all fields for a class (taking class heirarchy into account)
*
* @param clazz The class to analyze for all fields
* @return The set of all fields on this class (and all subclasses)
*/
public Set getAllFields(Class clazz);
/**
* Finds the postConstruct method on this class
*
* @param clazz The class to check for the postConstruct method
* @param matchingClass The PostConstruct interface, a small performance improvement
* @return A matching method, or null if none can be found
* @throws IllegalArgumentException If a method marked as postConstruct is invalid
*/
public Method findPostConstruct(Class clazz, Class matchingClass) throws IllegalArgumentException;
/**
* Finds the preDestroy method on this class
*
* @param clazz The class to check for the postConstruct method
* @param matchingClass The PostConstruct interface, a small performance improvement
* @return A matching method, or null if none can be found
* @throws IllegalArgumentException If a method marked as postConstruct is invalid
*/
public Method findPreDestroy(Class clazz, Class matchingClass) throws IllegalArgumentException;
/**
* Removes this class (and all appropriate sub-classes) from the cache
*
* @param clazz The class to remove. If null this method does nothing
*/
public void clean(Class clazz);
/**
* Releases the entire cache
*/
public void dispose();
}