/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.synapse.task;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.List;
/**
* Serialize a TaskDescription into a OMElement
*/
public class TaskDescriptionSerializer {
private static final Log log = LogFactory.getLog(TaskDescriptionSerializer.class);
private static final OMFactory omFactory = OMAbstractFactory.getOMFactory();
private static final String NULL_NAMESPACE = "";
private static final OMNamespace NULL_OMNS
= omFactory.createOMNamespace(NULL_NAMESPACE, "");
public static OMElement serializeTaskDescription(OMNamespace targetNamespace,
TaskDescription taskDescription) {
if (taskDescription == null) {
throw new SynapseTaskException("TaskDescription can not be null", log);
}
OMElement task = omFactory.createOMElement("task", targetNamespace);
task.addAttribute("name", taskDescription.getName(), NULL_OMNS);
String taskClass = taskDescription.getTaskClass();
if (taskClass != null && !"".equals(taskClass)) {
task.addAttribute("class", taskDescription.getTaskClass(), NULL_OMNS);
}
String group = taskDescription.getGroup();
if (group != null && !"".equals(group)) {
task.addAttribute("group", group, NULL_OMNS);
}
List<String> pinnedServers = taskDescription.getPinnedServers();
if (pinnedServers != null && !pinnedServers.isEmpty()) {
StringBuffer pinnedServersStr = new StringBuffer(pinnedServers.get(0));
for (int i = 1; i < pinnedServers.size(); i++) {
pinnedServersStr.append(" ").append(pinnedServers.get(i));
}
task.addAttribute(omFactory.createOMAttribute("pinnedServers",
NULL_OMNS, pinnedServersStr.toString()));
}
if (taskDescription.getDescription() != null) {
OMElement descElem = omFactory.createOMElement("description", targetNamespace, task);
descElem.setText(taskDescription.getDescription());
}
OMElement el = omFactory.createOMElement("trigger", targetNamespace, task);
if (taskDescription.getInterval() == 1 && taskDescription.getCount() == 1) {
el.addAttribute("once", "true", NULL_OMNS);
} else if (taskDescription.getCron() != null) {
el.addAttribute("cron", taskDescription.getCron(), NULL_OMNS);
} else {
if (taskDescription.getCount() != -1) {
el.addAttribute("count", Integer.toString(taskDescription.getCount()), NULL_OMNS);
}
if (taskDescription.getInterval() != 0) {
long interval = taskDescription.getInterval() / 1000;
el.addAttribute("interval", Long.toString(interval), NULL_OMNS);
}
}
for (Object o : taskDescription.getProperties()) {
OMElement prop = (OMElement) o;
if (prop != null) {
prop.setNamespace(targetNamespace);
task.addChild(prop.cloneOMElement());
}
}
return task;
}
}