/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.reflection.copy.strategy;
import org.terasology.reflection.copy.CopyStrategy;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
/**
*/
public class SetCopyStrategy<T> implements CopyStrategy<Set<T>> {
private final CopyStrategy<T> contentStrategy;
public SetCopyStrategy(CopyStrategy<T> contentStrategy) {
this.contentStrategy = contentStrategy;
}
@Override
public Set<T> copy(Set<T> value) {
if (value != null) {
return value.stream().map(contentStrategy::copy).collect(Collectors.toCollection(HashSet::new));
}
return null;
}
}