Spring Framework example source code file (ClassFilter.java)

This example Spring Framework source code file (ClassFilter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

classfilter, classfilter, true, true

The Spring Framework ClassFilter.java source code

/*
 * Copyright 2002-2007 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.aop;

/**
 * Filter that restricts matching of a pointcut or introduction to
 * a given set of target classes.
 *
 * <p>Can be used as part of a {@link Pointcut} or for the entire
 * targeting of an {@link IntroductionAdvisor}.
 *
 * @author Rod Johnson
 * @see Pointcut
 * @see MethodMatcher
 */
public interface ClassFilter {

	/**
	 * Should the pointcut apply to the given interface or target class?
	 * @param clazz the candidate target class
	 * @return whether the advice should apply to the given target class
	 */
	boolean matches(Class clazz);


	/**
	 * Canonical instance of a ClassFilter that matches all classes.
	 */
	ClassFilter TRUE = TrueClassFilter.INSTANCE;

}