/*
* The MIT License
*
* Copyright (c) 2011, Oracle Corporation, Nikita Levyankov
*
* 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.plugins.git.converter;
import com.thoughtworks.xstream.converters.ConversionException;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.converters.reflection.ReflectionProvider;
import com.thoughtworks.xstream.core.util.CustomObjectInputStream;
import com.thoughtworks.xstream.core.util.HierarchicalStreams;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.mapper.Mapper;
import hudson.util.RobustReflectionConverter;
import java.io.NotActiveException;
import java.io.ObjectInputValidation;
import java.util.Map;
import org.eclipse.jgit.transport.RemoteConfig;
/**
* Converter for RemoteConfig. Supports legacy org.spearce.jgit library
* <p/>
* Date: 7/1/11
*
* @author Nikita Levyankov
*/
public class RemoteConfigConverter extends RobustReflectionConverter implements LegacyConverter<RemoteConfig> {
public RemoteConfigConverter(Mapper mapper, ReflectionProvider provider) {
super(mapper, provider);
}
public boolean canConvert(Class type) {
return RemoteConfig.class == type || org.spearce.jgit.transport.RemoteConfig.class == type;
}
/**
* {@inheritDoc}
*/
public boolean isLegacyNode(HierarchicalStreamReader reader, final UnmarshallingContext context) {
return reader.getNodeName().startsWith("org.spearce");
}
/**
* {@inheritDoc}
*/
public RemoteConfig legacyUnmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
final org.spearce.jgit.transport.RemoteConfig remoteConfig = new org.spearce.jgit.transport.RemoteConfig();
CustomObjectInputStream.StreamCallback callback = new LegacyInputStreamCallback(reader, context, remoteConfig);
try {
CustomObjectInputStream objectInput = CustomObjectInputStream.getInstance(context, callback, null);
remoteConfig.readExternal(objectInput);
objectInput.popCallback();
return remoteConfig.toRemote();
} catch (Exception e) {
throw new ConversionException("Unmarshal failed", e);
}
}
public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
if (isLegacyNode(reader, context)) {
return legacyUnmarshal(reader, context);
}
return super.unmarshal(reader, context);
}
@Override
protected Object instantiateNewInstance(HierarchicalStreamReader reader, UnmarshallingContext context) {
return reflectionProvider.newInstance(RemoteConfig.class);
}
private class LegacyInputStreamCallback implements CustomObjectInputStream.StreamCallback {
private HierarchicalStreamReader reader;
private UnmarshallingContext context;
private org.spearce.jgit.transport.RemoteConfig remoteConfig;
private LegacyInputStreamCallback(HierarchicalStreamReader reader,
final UnmarshallingContext context,
org.spearce.jgit.transport.RemoteConfig remoteConfig) {
this.reader = reader;
this.context = context;
this.remoteConfig = remoteConfig;
}
public Object readFromStream() {
reader.moveDown();
Class type = HierarchicalStreams.readClassType(reader, mapper);
Object streamItem = context.convertAnother(remoteConfig, type);
reader.moveUp();
return streamItem;
}
public Map readFieldsFromStream() {
throw new UnsupportedOperationException();
}
public void defaultReadObject() {
throw new UnsupportedOperationException();
}
public void registerValidation(ObjectInputValidation validation, int priority) throws NotActiveException {
throw new NotActiveException();
}
public void close() {
throw new UnsupportedOperationException();
}
}
}