com.google.errorprone.matchers.method.MethodSignatureMatcherImpl.java Source code

Introduction

Here is the source code for com.google.errorprone.matchers.method.MethodSignatureMatcherImpl.java

Source

/*
 * 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();
    }
}