/*
* The MIT License
*
* Copyright (c) 2010, InfraDNA, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util.xstream;
import com.google.common.collect.ImmutableMap;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.converters.collections.MapConverter;
import com.thoughtworks.xstream.converters.reflection.ReflectionProvider;
import com.thoughtworks.xstream.converters.reflection.SerializableConverter;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.mapper.Mapper;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* {@link ConcurrentHashMap} should convert like a map, instead of via serialization.
*
* @author Kohsuke Kawaguchi
*/
public class ImmutableMapConverter extends MapConverter {
private final SerializableConverter sc;
public ImmutableMapConverter(XStream xs) {
this(xs.getMapper(),xs.getReflectionProvider());
}
public ImmutableMapConverter(Mapper mapper, ReflectionProvider reflectionProvider) {
super(mapper);
sc = new SerializableConverter(mapper,reflectionProvider);
}
@Override
public boolean canConvert(Class type) {
return ImmutableMap.class.isAssignableFrom(type);
}
@Override
public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
return ImmutableMap.copyOf((Map)super.unmarshal(reader, context));
}
@Override
protected Object createCollection(Class type) {
return new HashMap();
}
}