/*
* Copyright 2011 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.StatementTree;
import java.util.List;
/**
* Adapts a matcher on a statement to check whether it matches the last statement in a block or case
* @author alexeagle@google.com (Alex Eagle)
*/
public class LastStatement implements Matcher<List<StatementTree>> {
private final Matcher<StatementTree> matcher;
public LastStatement(Matcher<StatementTree> matcher) {
this.matcher = matcher;
}
@Override
public boolean matches(List<StatementTree> statements, VisitorState state) {
StatementTree last = statements.get(statements.size() - 1);
return matcher.matches(last, state);
}
}