be.objectify.deadbolt.java.cache.DefaultPatternCache Maven / Gradle / Ivy
/*
* Copyright 2010-2016 Steve Chaloner
*
* 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 be.objectify.deadbolt.java.cache;
import javax.inject.Singleton;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;
/**
* @author Steve Chaloner ([email protected])
*/
@Singleton
public class DefaultPatternCache implements PatternCache
{
private final Map cache = new HashMap<>();
@Override
public Pattern apply(final String patternValue)
{
return cache.computeIfAbsent(patternValue,
Pattern::compile);
}
}