/*
* 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.vcloud.util.Utils.newReferenceType;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.util.SaxUtils;
import org.jclouds.vcloud.domain.GuestCustomizationSection;
import org.jclouds.vcloud.domain.NetworkConnectionSection;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.domain.Status;
import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.Vm;
import org.jclouds.vcloud.domain.internal.VmImpl;
import org.jclouds.vcloud.domain.ovf.VCloudOperatingSystemSection;
import org.jclouds.vcloud.domain.ovf.VCloudVirtualHardwareSection;
import org.jclouds.vcloud.xml.ovf.VCloudOperatingSystemHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.google.common.collect.Lists;
/**
* @author Adrian Cole
*/
public class VmHandler extends ParseSax.HandlerWithResult<Vm> {
protected final TaskHandler taskHandler;
protected final VCloudVirtualHardwareHandler virtualHardwareHandler;
protected final VCloudOperatingSystemHandler operatingSystemHandler;
protected final GuestCustomizationSectionHandler guestCustomizationHandler;
protected final NetworkConnectionSectionHandler networkConnectionSectionHandler;
@Inject
public VmHandler(TaskHandler taskHandler, VCloudVirtualHardwareHandler virtualHardwareHandler,
VCloudOperatingSystemHandler operatingSystemHandler,
NetworkConnectionSectionHandler networkConnectionSectionHandler,
GuestCustomizationSectionHandler guestCustomizationHandler) {
this.taskHandler = taskHandler;
this.virtualHardwareHandler = virtualHardwareHandler;
this.operatingSystemHandler = operatingSystemHandler;
this.networkConnectionSectionHandler = networkConnectionSectionHandler;
this.guestCustomizationHandler = guestCustomizationHandler;
}
protected StringBuilder currentText = new StringBuilder();
protected ReferenceType vm;
protected Status status;
protected ReferenceType vdc;
protected String description;
protected List<Task> tasks = Lists.newArrayList();
protected VCloudVirtualHardwareSection hardware;
protected VCloudOperatingSystemSection os;
protected NetworkConnectionSection networkConnectionSection;
protected GuestCustomizationSection guestCustomization;
protected String vAppScopedLocalId;
private boolean inTasks;
private boolean inHardware;
private boolean inOs;
private boolean inNetworkConnectionSection;
private boolean inGuestCustomization;
public Vm getResult() {
return vm == null ? null : new VmImpl(vm.getName(), vm.getType(), vm.getHref(), status, vdc, description, tasks,
hardware, os, networkConnectionSection, guestCustomization, vAppScopedLocalId);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs);
if (qName.endsWith("VirtualHardwareSection")) {
inHardware = true;
} else if (qName.endsWith("OperatingSystemSection")) {
inOs = true;
} else if (qName.endsWith("GuestCustomizationSection")) {
inGuestCustomization = true;
} else if (qName.endsWith("NetworkConnectionSection")) {
inNetworkConnectionSection = true;
} else if (qName.endsWith("Tasks")) {
inTasks = true;
}
if (inHardware) {
virtualHardwareHandler.startElement(uri, localName, qName, attrs);
} else if (inOs) {
operatingSystemHandler.startElement(uri, localName, qName, attrs);
} else if (inNetworkConnectionSection) {
networkConnectionSectionHandler.startElement(uri, localName, qName, attrs);
} else if (inGuestCustomization) {
guestCustomizationHandler.startElement(uri, localName, qName, attrs);
} else if (inTasks) {
taskHandler.startElement(uri, localName, qName, attrs);
} else if (SaxUtils.equalsOrSuffix(qName, "Vm")) {
vm = newReferenceType(attributes);
String status = attributes.get("status");
if (status != null)
this.status = Status.fromValue(Integer.parseInt(status));
} else if (SaxUtils.equalsOrSuffix(qName, "Link") && "up".equals(attributes.get("rel"))) {
vdc = newReferenceType(attributes);
}
}
public void endElement(String uri, String name, String qName) {
if (qName.endsWith("VirtualHardwareSection")) {
inHardware = false;
this.hardware = virtualHardwareHandler.getResult();
} else if (qName.endsWith("OperatingSystemSection")) {
inOs = false;
os = operatingSystemHandler.getResult();
} else if (qName.endsWith("NetworkConnectionSection")) {
inNetworkConnectionSection = false;
networkConnectionSection = networkConnectionSectionHandler.getResult();
} else if (qName.endsWith("GuestCustomizationSection")) {
inGuestCustomization = false;
guestCustomization = guestCustomizationHandler.getResult();
} else if (qName.endsWith("Tasks")) {
inTasks = false;
this.tasks.add(taskHandler.getResult());
}
if (inHardware) {
virtualHardwareHandler.endElement(uri, name, qName);
} else if (inOs) {
operatingSystemHandler.endElement(uri, name, qName);
} else if (inGuestCustomization) {
guestCustomizationHandler.endElement(uri, name, qName);
} else if (inNetworkConnectionSection) {
networkConnectionSectionHandler.endElement(uri, name, qName);
} else if (inTasks) {
taskHandler.endElement(uri, name, qName);
} else if (SaxUtils.equalsOrSuffix(qName, "Description")) {
description = currentOrNull();
} else if (SaxUtils.equalsOrSuffix(qName, "VAppScopedLocalId")) {
vAppScopedLocalId = currentOrNull();
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
if (inHardware)
virtualHardwareHandler.characters(ch, start, length);
else if (inOs)
operatingSystemHandler.characters(ch, start, length);
else if (inGuestCustomization)
guestCustomizationHandler.characters(ch, start, length);
else if (inNetworkConnectionSection)
networkConnectionSectionHandler.characters(ch, start, length);
else if (inTasks)
taskHandler.characters(ch, start, length);
else
currentText.append(ch, start, length);
}
protected String currentOrNull() {
String returnVal = currentText.toString().trim();
return returnVal.equals("") ? null : returnVal;
}
}