net.bytebuddy.matcher.HasSuperTypeMatcher Maven / Gradle / Ivy
/*
* Copyright 2014 - Present Rafael Winterhalter
*
* 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 net.bytebuddy.matcher;
import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import net.bytebuddy.description.type.TypeDefinition;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.utility.QueueFactory;
import java.util.HashSet;
import java.util.Queue;
import java.util.Set;
/**
* An element matcher that matches a super type.
*
* @param The type of the matched entity.
*/
@HashCodeAndEqualsPlugin.Enhance
public class HasSuperTypeMatcher extends ElementMatcher.Junction.ForNonNullValues {
/**
* The matcher to apply to any super type of the matched type.
*/
private final ElementMatcher matcher;
/**
* Creates a new matcher for a super type.
*
* @param matcher The matcher to apply to any super type of the matched type.
*/
public HasSuperTypeMatcher(ElementMatcher matcher) {
this.matcher = matcher;
}
/**
* {@inheritDoc}
*/
protected boolean doMatch(T target) {
Set previous = new HashSet();
for (TypeDefinition typeDefinition : target) {
if (!previous.add(typeDefinition.asErasure())) { // Main type can be an interface.
return false; // Avoids a life-lock when encountering a recursive type-definition.
} else if (matcher.matches(typeDefinition.asGenericType())) {
return true;
}
Queue interfaceTypes = QueueFactory.make(typeDefinition.getInterfaces());
while (!interfaceTypes.isEmpty()) {
TypeDefinition interfaceType = interfaceTypes.remove();
if (previous.add(interfaceType.asErasure())) {
if (matcher.matches(interfaceType.asGenericType())) {
return true;
} else {
interfaceTypes.addAll(interfaceType.getInterfaces());
}
}
}
}
return false;
}
@Override
public String toString() {
return "hasSuperType(" + matcher + ")";
}
}