/*
* 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.vcloud.xml;
import static org.jclouds.util.SaxUtils.equalsOrSuffix;
import static org.jclouds.vcloud.util.Utils.newReferenceType;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.util.SaxUtils;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.domain.Status;
import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.VAppTemplate;
import org.jclouds.vcloud.domain.Vm;
import org.jclouds.vcloud.domain.internal.VAppTemplateImpl;
import org.jclouds.vcloud.domain.ovf.VCloudNetworkSection;
import org.jclouds.vcloud.xml.ovf.VCloudNetworkSectionHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
/**
* @author Adrian Cole
*/
public class VAppTemplateHandler extends ParseSax.HandlerWithResult<VAppTemplate> {
protected final TaskHandler taskHandler;
protected final VmHandler vmHandler;
protected final VCloudNetworkSectionHandler networkSectionHandler;
@Inject
public VAppTemplateHandler(TaskHandler taskHandler, VmHandler vmHandler,
VCloudNetworkSectionHandler networkSectionHandler) {
this.taskHandler = taskHandler;
this.vmHandler = vmHandler;
this.networkSectionHandler = networkSectionHandler;
}
protected StringBuilder currentText = new StringBuilder();
protected ReferenceType template;
protected Status status;
protected ReferenceType vdc;
protected String description;
protected List<Task> tasks = Lists.newArrayList();
protected boolean ovfDescriptorUploaded = true;
protected String vAppScopedLocalId;
private boolean inChildren;
private boolean inTasks;
private boolean inNetworkSection;
protected Set<Vm> children = Sets.newLinkedHashSet();
private VCloudNetworkSection networkSection;
public VAppTemplate getResult() {
return new VAppTemplateImpl(template.getName(), template.getType(), template.getHref(), status, vdc, description,
tasks, ovfDescriptorUploaded, vAppScopedLocalId, children, networkSection);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs);
if (equalsOrSuffix(qName, "Children")) {
inChildren = true;
} else if (equalsOrSuffix(qName, "Tasks")) {
inTasks = true;
} else if (equalsOrSuffix(qName, "NetworkSection")) {
inNetworkSection = true;
}
if (inChildren) {
vmHandler.startElement(uri, localName, qName, attrs);
} else if (inTasks) {
taskHandler.startElement(uri, localName, qName, attrs);
} else if (inNetworkSection) {
networkSectionHandler.startElement(uri, localName, qName, attrs);
} else if (equalsOrSuffix(qName, "VAppTemplate")) {
template = newReferenceType(attributes);
if (attributes.containsKey("status"))
this.status = Status.fromValue(Integer.parseInt(attributes.get("status")));
} else if (equalsOrSuffix(qName, "Link") && "up".equals(attributes.get("rel"))) {
vdc = newReferenceType(attributes);
}
}
public void endElement(String uri, String name, String qName) {
if (equalsOrSuffix(qName, "Children")) {
inChildren = false;
Vm vm = vmHandler.getResult();
if (vm != null)
this.children.add(vmHandler.getResult());
} else if (equalsOrSuffix(qName, "Tasks")) {
inTasks = false;
this.tasks.add(taskHandler.getResult());
} else if (equalsOrSuffix(qName, "NetworkSection")) {
inNetworkSection = false;
this.networkSection = networkSectionHandler.getResult();
}
if (inChildren) {
vmHandler.endElement(uri, name, qName);
} else if (inTasks) {
taskHandler.endElement(uri, name, qName);
} else if (inNetworkSection) {
networkSectionHandler.endElement(uri, name, qName);
} else if (equalsOrSuffix(qName, "Description")) {
description = currentOrNull();
} else if (equalsOrSuffix(qName, "VAppScopedLocalId")) {
vAppScopedLocalId = currentOrNull();
} else if (equalsOrSuffix(qName, "ovfDescriptorUploaded")) {
ovfDescriptorUploaded = Boolean.parseBoolean(currentOrNull());
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
if (inTasks)
taskHandler.characters(ch, start, length);
else if (inChildren)
vmHandler.characters(ch, start, length);
else if (inNetworkSection)
networkSectionHandler.characters(ch, start, length);
else
currentText.append(ch, start, length);
}
protected String currentOrNull() {
String returnVal = currentText.toString().trim();
return returnVal.equals("") ? null : returnVal;
}
}