org.springframework.classify.util.MethodResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2008 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.
*/
package org.springframework.classify.util;
import java.lang.reflect.Method;
/**
* Strategy interface for detecting a single Method on a Class.
*
* @author Mark Fisher
*/
public interface MethodResolver {
/**
* Find a single Method on the provided Object that matches this resolver's
* criteria.
*
* @param candidate the candidate Object whose Class should be searched for
* a Method
*
* @return a single Method or null
if no Method matching this
* resolver's criteria can be found.
*
* @throws IllegalArgumentException if more than one Method defined on the
* given candidate's Class matches this resolver's criteria
*/
Method findMethod(Object candidate) throws IllegalArgumentException;
/**
* Find a single Method on the given Class that matches this
* resolver's criteria.
*
* @param clazz the Class instance on which to search for a Method
*
* @return a single Method or null
if no Method matching this
* resolver's criteria can be found.
*
* @throws IllegalArgumentException if more than one Method defined on the
* given Class matches this resolver's criteria
*/
Method findMethod(Class clazz);
}