/*
* 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.jclouds.trmk.vcloud_0_8.xml;
import java.text.ParseException;
import java.util.Date;
import java.util.Map;
import javax.annotation.Resource;
import javax.inject.Inject;
import org.jclouds.date.DateService;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.logging.Logger;
import org.jclouds.trmk.vcloud_0_8.domain.ReferenceType;
import org.jclouds.trmk.vcloud_0_8.domain.Task;
import org.jclouds.trmk.vcloud_0_8.domain.TaskStatus;
import org.jclouds.trmk.vcloud_0_8.domain.VCloudError;
import org.jclouds.trmk.vcloud_0_8.domain.internal.TaskImpl;
import org.jclouds.trmk.vcloud_0_8.util.Utils;
import org.jclouds.util.SaxUtils;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author Adrian Cole
*/
public class TaskHandler extends ParseSax.HandlerWithResult<Task> {
protected final DateService dateService;
private String operation;
private ReferenceType taskLink;
private ReferenceType owner;
private TaskStatus status;
private Date startTime;
private Date endTime;
private Date expiryTime;
private Task task;
private VCloudError error;
private boolean inOwner;
@Resource
protected Logger logger = Logger.NULL;
@Inject
public TaskHandler(DateService dateService) {
this.dateService = dateService;
}
public Task getResult() {
return task;
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs);
if (qName.equalsIgnoreCase("Task")) {
if (attributes.get("href") != null && !inOwner)// queued tasks may not have an
// href yet
taskLink = Utils.newReferenceType(attributes);
status = TaskStatus.fromValue(attributes.get("status"));
operation = attributes.get("operation");
if (attributes.containsKey("startTime"))
startTime = parseDate(attributes.get("startTime"));
if (attributes.containsKey("endTime"))
endTime = parseDate(attributes.get("endTime"));
if (attributes.containsKey("expiryTime"))
expiryTime = parseDate(attributes.get("expiryTime"));
// TODO technically the old Result object should only be owner for copy and delete tasks
} else if (qName.equals("Owner") || qName.equals("Result")) {
owner = Utils.newReferenceType(attributes);
} else if (qName.equals("Link") && "self".equals(attributes.get("rel"))) {
taskLink = Utils.newReferenceType(attributes);
} else if (qName.equals("Error")) {
error = Utils.newError(attributes);
}
}
private Date parseDate(String toParse) {
try {
return dateService.iso8601DateParse(toParse);
} catch (RuntimeException e) {
if (e.getCause() instanceof ParseException) {
if (!toParse.endsWith("Z"))
toParse += "Z";
return dateService.iso8601SecondsDateParse(toParse);
} else {
logger.error(e, "error parsing date");
}
}
return null;
}
@Override
public void endElement(String uri, String localName, String qName) {
if (qName.equalsIgnoreCase("Task")) {
this.task = new TaskImpl(taskLink.getHref(), operation, status, startTime, endTime, expiryTime, owner, error);
operation = null;
taskLink = null;
status = null;
startTime = null;
endTime = null;
owner = null;
error = null;
} else if (qName.equalsIgnoreCase("Owner")) {
inOwner = false;
}
}
public void characters(char ch[], int start, int length) {
}
}