/*
 * Copyright 2010 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.compiler.compiler.xml.XmlDumper;
import org.jbpm.process.core.timer.Timer;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.TimerNode;
import org.xml.sax.Attributes;

public class TimerNodeHandler extends AbstractNodeHandler {

    protected Node createNode(Attributes attrs) {
        throw new IllegalArgumentException("Reading in should be handled by intermediate catch event handler");
    }

    @SuppressWarnings("unchecked")
    public Class generateNodeFor() {
        return TimerNode.class;
    }

    public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
        TimerNode timerNode = (TimerNode) node;
        writeNode("intermediateCatchEvent", timerNode, xmlDump, metaDataType);
        xmlDump.append(">" + EOL);
        writeExtensionElements(node, xmlDump);
        xmlDump.append("      <timerEventDefinition>" + EOL);
        Timer timer = timerNode.getTimer();
        if (timer != null && (timer.getDelay() != null || timer.getDate() != null)) {
            if (timer.getTimeType() == Timer.TIME_DURATION) {
                xmlDump.append("        <timeDuration xsi:type=\"tFormalExpression\">" + XmlDumper.replaceIllegalChars(timer.getDelay()) + "</timeDuration>" + EOL);
            } else if (timer.getTimeType() == Timer.TIME_CYCLE) {

                if (timer.getPeriod() != null) {
                    xmlDump.append("        <timeCycle xsi:type=\"tFormalExpression\">" + XmlDumper.replaceIllegalChars(timer.getDelay()) + "###" + XmlDumper.replaceIllegalChars(timer.getPeriod())
                            + "</timeCycle>" + EOL);
                } else {
                    xmlDump.append("        <timeCycle xsi:type=\"tFormalExpression\">" + XmlDumper.replaceIllegalChars(timer.getDelay()) + "</timeCycle>" + EOL);
                }
            } else if (timer.getTimeType() == Timer.TIME_DATE) {
                xmlDump.append("        <timeDate xsi:type=\"tFormalExpression\">" + XmlDumper.replaceIllegalChars(timer.getDelay()) + "</timeDate>" + EOL);
            }
        }
        xmlDump.append("      </timerEventDefinition>" + EOL);
        endNode("intermediateCatchEvent", xmlDump);
    }

}
