/**
* 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.ide.common.server.util;
import org.drools.ide.common.client.modeldriven.dt.ActionInsertFactCol;
import org.drools.ide.common.client.modeldriven.dt.ActionRetractFactCol;
import org.drools.ide.common.client.modeldriven.dt.ActionSetFieldCol;
import org.drools.ide.common.client.modeldriven.dt.AttributeCol;
import org.drools.ide.common.client.modeldriven.dt.ConditionCol;
import org.drools.ide.common.client.modeldriven.dt.GuidedDecisionTable;
import org.drools.ide.common.client.modeldriven.dt.MetadataCol;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
public class GuidedDTXMLPersistence {
private XStream xt;
private static GuidedDTXMLPersistence INSTANCE = new GuidedDTXMLPersistence();
private GuidedDTXMLPersistence() {
xt = new XStream(new DomDriver());
xt.alias("decision-table", GuidedDecisionTable.class);
xt.alias("metadata-column", MetadataCol.class);
xt.alias("attribute-column", AttributeCol.class);
xt.alias("condition-column", ConditionCol.class);
xt.alias("set-field-col", ActionSetFieldCol.class);
xt.alias("retract-fact-column", ActionRetractFactCol.class);
xt.alias("insert-fact-column", ActionInsertFactCol.class);
}
public static GuidedDTXMLPersistence getInstance() {
return INSTANCE;
}
public String marshal(GuidedDecisionTable dt) {
return xt.toXML(dt);
}
public GuidedDecisionTable unmarshal(String xml) {
if (xml == null || xml.trim().equals("")) {
return new GuidedDecisionTable();
}
return (GuidedDecisionTable) xt.fromXML(xml);
}
}