/*
* Copyright 2015 Google Inc. All Rights Reserved.
*
* 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 com.google.errorprone.matchers;
import com.google.errorprone.VisitorState;
import com.sun.source.tree.AnnotationTree;
/**
* Matches an annotation that does not have a particular argument,
* possibly because the default value is being used.
*
* @author mwacker@google.com (Mike Wacker)
*/
public class AnnotationDoesNotHaveArgument implements Matcher<AnnotationTree> {
private final String name;
/**
* Creates a new matcher.
*
* @param name the name of the argument to search for
*/
public AnnotationDoesNotHaveArgument(String name) {
this.name = name;
}
@Override
public boolean matches(AnnotationTree annotationTree, VisitorState state) {
return AnnotationMatcherUtils.getArgument(annotationTree, name) == null;
}
}