org.springframework.aop.support.RootClassFilter Maven / Gradle / Ivy
/*
* Copyright 2002-2019 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
*
* https://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.support;
import java.io.Serializable;
import org.springframework.aop.ClassFilter;
import org.springframework.util.Assert;
/**
* Simple ClassFilter implementation that passes classes (and optionally subclasses).
*
* @author Rod Johnson
* @author Sam Brannen
*/
@SuppressWarnings("serial")
public class RootClassFilter implements ClassFilter, Serializable {
private final Class clazz;
public RootClassFilter(Class clazz) {
Assert.notNull(clazz, "Class must not be null");
this.clazz = clazz;
}
@Override
public boolean matches(Class candidate) {
return this.clazz.isAssignableFrom(candidate);
}
@Override
public boolean equals(Object other) {
return (this == other || (other instanceof RootClassFilter &&
this.clazz.equals(((RootClassFilter) other).clazz)));
}
@Override
public int hashCode() {
return this.clazz.hashCode();
}
@Override
public String toString() {
return getClass().getName() + ": " + this.clazz.getName();
}
}