org.jbpm.bpmn2.xml.EventNodeHandler Maven / Gradle / Ivy

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/*
 * Copyright 2021 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.jbpm.compiler.xml.compiler.XmlDumper;
import org.jbpm.process.core.event.EventTypeFilter;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.EventNode;
import org.xml.sax.Attributes;

public class EventNodeHandler 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 EventNode.class;
    }

    public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
        EventNode eventNode = (EventNode) node;
        String attachedTo = (String) eventNode.getMetaData("AttachedTo");
        if (attachedTo == null) {
            writeNode("intermediateCatchEvent", eventNode, xmlDump, metaDataType);
            xmlDump.append(">" + EOL);
            writeExtensionElements(eventNode, xmlDump);
            if (!eventNode.getEventFilters().isEmpty()) {
                String type = ((EventTypeFilter) eventNode.getEventFilters().get(0)).getType();
                if (type.startsWith("Message-")) {
                    type = type.substring(8);
                    xmlDump.append("      " + EOL);
                } else {
                    xmlDump.append("      " + EOL);
                }
            }
            endNode("intermediateCatchEvent", xmlDump);
        } else {
            String type = ((EventTypeFilter) eventNode.getEventFilters().get(0)).getType();
            if (type.startsWith("Escalation-")) {
                type = type.substring(attachedTo.length() + 12);
                boolean cancelActivity = (Boolean) eventNode.getMetaData("CancelActivity");
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                if (!cancelActivity) {
                    xmlDump.append("cancelActivity=\"false\" ");
                }
                xmlDump.append(">" + EOL);
                xmlDump.append("      " + EOL);
                endNode("boundaryEvent", xmlDump);
            } else if (type.startsWith("Error-")) {
                type = type.substring(attachedTo.length() + 7);
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                xmlDump.append(">" + EOL);
                String errorId = getErrorIdForErrorCode(type, eventNode);
                xmlDump.append("      " + EOL);
                endNode("boundaryEvent", xmlDump);
            } else if (type.startsWith("Timer-")) {
                type = type.substring(attachedTo.length() + 7);
                boolean cancelActivity = (Boolean) eventNode.getMetaData("CancelActivity");
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                if (!cancelActivity) {
                    xmlDump.append("cancelActivity=\"false\" ");
                }
                xmlDump.append(">" + EOL);
                String duration = (String) eventNode.getMetaData("TimeDuration");
                String cycle = (String) eventNode.getMetaData("TimeCycle");

                if (duration != null && cycle != null) {
                    xmlDump.append(
                            "      " + EOL +
                                    "        " + XmlDumper.replaceIllegalChars(duration) + "" + EOL +
                                    "        " + XmlDumper.replaceIllegalChars(cycle) + "" + EOL +
                                    "      " + EOL);
                } else if (duration != null) {
                    xmlDump.append(
                            "      " + EOL +
                                    "        " + XmlDumper.replaceIllegalChars(duration) + "" + EOL +
                                    "      " + EOL);
                } else {
                    xmlDump.append(
                            "      " + EOL +
                                    "        " + XmlDumper.replaceIllegalChars(cycle) + "" + EOL +
                                    "      " + EOL);
                }
                endNode("boundaryEvent", xmlDump);
            } else if (node.getMetaData().get("SignalName") != null) {

                boolean cancelActivity = (Boolean) eventNode.getMetaData("CancelActivity");
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                if (!cancelActivity) {
                    xmlDump.append("cancelActivity=\"false\" ");
                }
                xmlDump.append(">" + EOL);
                xmlDump.append("      " + EOL);
                endNode("boundaryEvent", xmlDump);
            } else if (node.getMetaData().get("Condition") != null) {

                boolean cancelActivity = (Boolean) eventNode.getMetaData("CancelActivity");
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                if (!cancelActivity) {
                    xmlDump.append("cancelActivity=\"false\" ");
                }
                xmlDump.append(">" + EOL);
                xmlDump.append("      " + EOL);
                xmlDump.append("        " + eventNode.getMetaData("Condition") + "" + EOL);
                xmlDump.append("      " + EOL);
                endNode("boundaryEvent", xmlDump);
            } else if (type.startsWith("Message-")) {
                type = type.substring(8);
                writeNode("boundaryEvent", eventNode, xmlDump, metaDataType);
                xmlDump.append("attachedToRef=\"" + attachedTo + "\" ");
                xmlDump.append(">" + EOL);
                xmlDump.append("      " + EOL);
                endNode("boundaryEvent", xmlDump);
            } else {
                throw new ProcessParsingValidationException("Unknown boundary event type: \"" + type + "\"");
            }
        }
    }

}