be.objectify.deadbolt.java.cache.DefaultCompositeCache 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 be.objectify.deadbolt.java.composite.Constraint;
import be.objectify.deadbolt.java.composite.ExceptionThrowingConstraint;
import javax.inject.Singleton;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
/**
* @author Steve Chaloner ([email protected])
*/
@Singleton
public class DefaultCompositeCache implements CompositeCache
{
private static final String NAMESPACE = "composite.constraint.";
private final Map constraints = new HashMap<>();
@Override
public Optional apply(final String name)
{
final Constraint constraint = constraints.get(NAMESPACE + name);
return Optional.of(constraint != null ? constraint
: new ExceptionThrowingConstraint(name));
}
@Override
public void register(final String name,
final Constraint constraint)
{
constraints.put(NAMESPACE + name,
constraint);
}
}