/*
* 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
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*/
package org.apache.brooklyn.util.core.xstream;
import org.apache.brooklyn.util.collections.MutableSet;
import com.thoughtworks.xstream.converters.collections.CollectionConverter;
import com.thoughtworks.xstream.mapper.Mapper;
public class MutableSetConverter extends CollectionConverter {
// Although this class seems pointless (!), without registering an explicit converter for MutableSet then the
// declaration for Set interferes, causing MutableSet.map field to be null on deserialization.
public MutableSetConverter(Mapper mapper) {
super(mapper);
}
@Override
public boolean canConvert(@SuppressWarnings("rawtypes") Class type) {
return MutableSet.class.isAssignableFrom(type);
}
@Override
protected Object createCollection(Class type) {
return new MutableSet<Object>();
}
}