/*
* Copyright 2013 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;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.PackageTree;
import com.sun.source.tree.Tree;
import com.sun.source.tree.VariableTree;
/**
* Matches if the given annotation matcher matches all of or any of the annotations on the tree
* node.
*
* @author eaftan@google.com (Eddie Aftandilian)
*/
public class AnnotationMatcher<T extends Tree> extends ChildMultiMatcher<T, AnnotationTree> {
public AnnotationMatcher(MatchType matchType, Matcher<AnnotationTree> nodeMatcher) {
super(matchType, nodeMatcher);
}
@Override
protected Iterable<? extends AnnotationTree> getChildNodes(T tree, VisitorState state) {
if (tree instanceof ClassTree) {
return ((ClassTree) tree).getModifiers().getAnnotations();
} else if (tree instanceof VariableTree) {
return ((VariableTree) tree).getModifiers().getAnnotations();
} else if (tree instanceof MethodTree) {
return ((MethodTree) tree).getModifiers().getAnnotations();
} else if (tree instanceof CompilationUnitTree) {
return ((CompilationUnitTree) tree).getPackageAnnotations();
} else if (tree instanceof PackageTree) {
return ((PackageTree) tree).getAnnotations();
} else {
throw new IllegalArgumentException(
"Cannot access annotations from tree of type " + tree.getClass());
}
}
}