/*
* 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.method;
import com.google.common.base.Optional;
import com.google.errorprone.VisitorState;
import com.google.errorprone.matchers.method.MethodMatchers.MethodSignatureMatcher;
import com.sun.source.tree.ExpressionTree;
/** Matches on method signature. */
public class MethodSignatureMatcherImpl extends AbstractChainedMatcher<MatchState, MatchState>
implements MethodSignatureMatcher {
private final String methodName;
MethodSignatureMatcherImpl(AbstractSimpleMatcher<MatchState> baseMatcher, String methodName) {
super(baseMatcher);
this.methodName = methodName;
}
@Override
protected Optional<MatchState> matchResult(ExpressionTree item, MatchState method,
VisitorState state) {
// TODO(cushon): build a way to match signatures (including varargs ones!) that doesn't
// rely on MethodSymbol#toString().
boolean matches =
method.sym().getSimpleName().contentEquals(methodName)
|| method.sym().toString().equals(methodName);
return matches ? Optional.of(method) : Optional.<MatchState>absent();
}
}