/*
* Copyright 2010 JBoss Inc
*
* Licensed 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.
*/
package org.drools.guvnor.server.contenthandler;
import com.google.gwt.user.client.rpc.SerializationException;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
import org.drools.guvnor.client.rpc.Asset;
import org.drools.guvnor.client.rpc.WorkingSetConfigData;
import org.drools.ide.common.client.modeldriven.brl.PortableObject;
import org.drools.repository.AssetItem;
import org.drools.repository.RulesRepositoryException;
import org.slf4j.Logger;
public abstract class BaseXStreamContentHandler<T extends PortableObject> extends ContentHandler {
private final Logger log = org.slf4j.LoggerFactory.getLogger(getClass());
private static final XStream xt = new XStream(new DomDriver());
protected XStream getXStream() {
return xt;
}
@SuppressWarnings("unchecked")
public void retrieveAssetContent(Asset ruleAsset,
AssetItem assetItem) throws SerializationException {
if (assetItem.getContent() != null && assetItem.getContent().length() > 0) {
try {
ruleAsset.setContent((T) getXStream().fromXML(assetItem.getContent()));
} catch (RulesRepositoryException e) {
log.error("error marshalling asset content: " + ruleAsset.getName(),
e);
throw new SerializationException(e.getMessage());
}
} else {
ruleAsset.setContent(new WorkingSetConfigData());
}
}
public void storeAssetContent(Asset ruleAsset,
AssetItem assetItem) throws SerializationException {
try {
assetItem.updateContent(getXStream().toXML(ruleAsset.getContent()));
} catch (Exception e) {
log.error("error marshalling asset content: " + ruleAsset.getName(),
e);
throw new SerializationException(e.getMessage());
}
}
}