/*
 * Copyright 2011 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jbpm.bpmn2.xml;

import org.drools.core.xml.Handler;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.CatchLinkNode;
import org.xml.sax.Attributes;

public class CatchLinkNodeHandler extends AbstractNodeHandler implements
        Handler {

    public Class<?> generateNodeFor() {
        return CatchLinkNode.class;
    }

    @Override
    protected Node createNode(Attributes attrs) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {

        CatchLinkNode linkNode = (CatchLinkNode) node;
        writeNode("intermediateCatchEvent", linkNode, xmlDump, metaDataType);
        xmlDump.append(">" + EOL);
        writeExtensionElements(linkNode, xmlDump);

        String name = (String) node.getMetaData().get(
                IntermediateCatchEventHandler.LINK_NAME);

        xmlDump.append("<linkEventDefinition name=\"" + name + "\" >" + EOL);

        Object target = linkNode.getMetaData("target");
        if (null != target) {
            xmlDump.append(String.format("<target>%s</target>", target) + EOL);
        }
        xmlDump.append("</linkEventDefinition>" + EOL);
        endNode("intermediateCatchEvent", xmlDump);

    }

}
