/*
* Copyright (C) 2008, 2009 XStream Committers.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
* Created on 01. January 2008 by Joerg Schaible
*/
package com.thoughtworks.xstream.tools.benchmark.cache.products;
import com.thoughtworks.xstream.InitializationException;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.ConverterLookup;
import com.thoughtworks.xstream.core.DefaultConverterLookup;
import com.thoughtworks.xstream.core.JVM;
import com.thoughtworks.xstream.core.util.ClassLoaderReference;
import com.thoughtworks.xstream.core.util.CompositeClassLoader;
import com.thoughtworks.xstream.core.util.DependencyInjectionFactory;
import com.thoughtworks.xstream.core.util.TypedNull;
import com.thoughtworks.xstream.io.xml.XppDriver;
import com.thoughtworks.xstream.mapper.ArrayMapper;
import com.thoughtworks.xstream.mapper.AttributeAliasingMapper;
import com.thoughtworks.xstream.mapper.AttributeMapper;
import com.thoughtworks.xstream.mapper.ClassAliasingMapper;
import com.thoughtworks.xstream.mapper.DefaultImplementationsMapper;
import com.thoughtworks.xstream.mapper.DefaultMapper;
import com.thoughtworks.xstream.mapper.DynamicProxyMapper;
import com.thoughtworks.xstream.mapper.FieldAliasingMapper;
import com.thoughtworks.xstream.mapper.ImmutableTypesMapper;
import com.thoughtworks.xstream.mapper.ImplicitCollectionMapper;
import com.thoughtworks.xstream.mapper.LocalConversionMapper;
import com.thoughtworks.xstream.mapper.Mapper;
import com.thoughtworks.xstream.mapper.OuterClassMapper;
import com.thoughtworks.xstream.tools.benchmark.Product;
import com.thoughtworks.xstream.tools.benchmark.model.Five;
import com.thoughtworks.xstream.tools.benchmark.model.One;
import com.thoughtworks.xstream.tools.benchmark.model.SerializableFive;
import com.thoughtworks.xstream.tools.benchmark.model.SerializableOne;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Uses XStream with the XPP driver.
*
* @author Jörg Schaible
*/
public abstract class XStreamCache implements Product {
private final XStream xstream;
public XStreamCache() {
JVM jvm = new JVM();
ClassLoaderReference classLoaderReference = new ClassLoaderReference(
new CompositeClassLoader());
DefaultConverterLookup converterLookup = new DefaultConverterLookup();
xstream = new XStream(
jvm.bestReflectionProvider(), new XppDriver(), classLoaderReference, buildMapper(
getMappers(jvm), jvm, classLoaderReference, converterLookup), converterLookup, converterLookup);
xstream.alias("one", One.class);
xstream.alias("five", Five.class);
xstream.alias("ser-one", SerializableOne.class);
xstream.alias("ser-five", SerializableFive.class);
}
public void serialize(Object object, OutputStream output) throws Exception {
xstream.toXML(object, output);
}
public Object deserialize(InputStream input) throws Exception {
return xstream.fromXML(input);
}
protected List getMappers(JVM jvm) {
List mappers = new ArrayList();
mappers.add(DefaultMapper.class);
if (jvm.loadClass("net.sf.cglib.proxy.Enhancer") != null) {
mappers.add(jvm.loadClass("com.thoughtworks.xstream.mapper.CGLIBMapper"));
}
mappers.add(DynamicProxyMapper.class);
mappers.add(ClassAliasingMapper.class);
mappers.add(FieldAliasingMapper.class);
mappers.add(AttributeAliasingMapper.class);
mappers.add(ImplicitCollectionMapper.class);
mappers.add(OuterClassMapper.class);
mappers.add(ArrayMapper.class);
mappers.add(LocalConversionMapper.class);
mappers.add(DefaultImplementationsMapper.class);
if (JVM.is15()) {
mappers.add(jvm.loadClass("com.thoughtworks.xstream.mapper.EnumMapper"));
} else {
mappers.add(AttributeMapper.class);
}
mappers.add(ImmutableTypesMapper.class);
if (JVM.is15()) {
mappers.add(jvm.loadClass("com.thoughtworks.xstream.mapper.AnnotationMapper"));
}
return mappers;
}
private Mapper buildMapper(List mappers, JVM jvm, ClassLoader classLoader,
ConverterLookup converterLookup) {
final Object[] arguments = new Object[]{
new TypedNull(Mapper.class), converterLookup, classLoader,
jvm.bestReflectionProvider(), jvm};
for (final Iterator iter = mappers.iterator(); iter.hasNext();) {
final Class mapperType = (Class)iter.next();
try {
arguments[0] = DependencyInjectionFactory.newInstance(mapperType, arguments);
} catch (Exception e) {
throw new InitializationException("Could not instantiate mapper : "
+ mapperType.getName(), e);
}
}
return (Mapper)arguments[0];
}
}