com.buession.core.converter.SetConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.
*
* =========================================================================================================
*
* This software consists of voluntary contributions made by many individuals on behalf of the
* Apache Software Foundation. For more information on the Apache Software Foundation, please see
* .
*
* +-------------------------------------------------------------------------------------------------------+
* | License: http://www.apache.org/licenses/LICENSE-2.0.txt |
* | Author: Yong.Teng |
* | Copyright @ 2013-2021 Buession.com Inc. |
* +-------------------------------------------------------------------------------------------------------+
*/
package com.buession.core.converter;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Set 转换器
*
* @param
* 原类型
* @param
* 目标类型
*
* @author Yong.Teng
* @since 1.3.0
*/
public class SetConverter implements Converter, Set> {
/**
* Set item 转换器
*/
private Converter itemConverter;
/**
* 构造函数
*
* @param itemConverter
* Set item 转换器
*/
public SetConverter(final Converter itemConverter){
this.itemConverter = itemConverter;
}
@Override
public Set convert(final Set source){
if(source == null){
return null;
}else{
return source.stream().map((value)->itemConverter.convert(value)).collect(Collectors.toCollection(source instanceof LinkedHashSet ? LinkedHashSet::new : HashSet::new));
}
}
}