/*
* 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 static org.jclouds.vcloud.util.Utils.putReferenceType;
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.AllocationModel;
import org.jclouds.vcloud.domain.Capacity;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.VDC;
import org.jclouds.vcloud.domain.VDCStatus;
import org.jclouds.vcloud.domain.internal.VDCImpl;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
/**
* @author Adrian Cole
*/
public class VDCHandler extends ParseSax.HandlerWithResult<VDC> {
protected final TaskHandler taskHandler;
@Inject
public VDCHandler(TaskHandler taskHandler) {
this.taskHandler = taskHandler;
}
protected StringBuilder currentText = new StringBuilder();
protected ReferenceType vDC;
protected VDCStatus status = VDCStatus.READY;
protected ReferenceType org;
protected String description;
protected List<Task> tasks = Lists.newArrayList();
protected AllocationModel allocationModel = AllocationModel.UNRECOGNIZED;
protected Capacity storageCapacity;
protected Capacity cpuCapacity;
protected Capacity memoryCapacity;
protected String units;
protected long allocated = 0;
protected long limit = 0;
protected int used = 0;
protected long overhead = 0;
protected Map<String, ReferenceType> resourceEntities = Maps.newLinkedHashMap();
protected Map<String, ReferenceType> availableNetworks = Maps.newLinkedHashMap();
protected int nicQuota;
protected int networkQuota;
protected int vmQuota;
protected boolean isEnabled = true;
public VDC getResult() {
return new VDCImpl(vDC.getName(), vDC.getType(), vDC.getHref(), status, org, description, tasks, allocationModel,
storageCapacity, cpuCapacity, memoryCapacity, resourceEntities, availableNetworks, nicQuota,
networkQuota, vmQuota, isEnabled);
}
void resetCapacity() {
units = null;
allocated = 0;
limit = 0;
used = 0;
overhead = 0;
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs);
if (qName.endsWith("Vdc")) {
vDC = newReferenceType(attributes);
String status = attributes.get("status");
if (status != null)
this.status = VDCStatus.fromValue(Integer.parseInt(status));
} else if (qName.endsWith("Network")) {
putReferenceType(availableNetworks, attributes);
} else if (qName.endsWith("ResourceEntity")) {
putReferenceType(resourceEntities, attributes);
} else if (qName.endsWith("Link") && "up".equals(attributes.get("rel"))) {
org = newReferenceType(attributes);
} else {
taskHandler.startElement(uri, localName, qName, attrs);
}
}
public void endElement(String uri, String name, String qName) {
taskHandler.endElement(uri, name, qName);
if (qName.endsWith("Task")) {
this.tasks.add(taskHandler.getResult());
} else if (qName.endsWith("Description")) {
description = currentOrNull();
} else if (qName.endsWith("AllocationModel")) {
allocationModel = AllocationModel.fromValue(currentOrNull());
} else if (qName.endsWith("Units")) {
units = currentOrNull();
} else if (qName.endsWith("Allocated")) {
allocated = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("Used")) {
used = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("Limit")) {
limit = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("Overhead")) {
overhead = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("StorageCapacity")) {
storageCapacity = new Capacity(units, allocated, limit, used, overhead);
resetCapacity();
} else if (qName.endsWith("Cpu")) {
cpuCapacity = new Capacity(units, allocated, limit, used, overhead);
resetCapacity();
} else if (qName.endsWith("Memory")) {
memoryCapacity = new Capacity(units, allocated, limit, used, overhead);
resetCapacity();
} else if (qName.endsWith("DeployedVmsQuota")) {
vmQuota = (int) limit;
// vcloud express doesn't have the zero is unlimited rule
if (vmQuota == -1)
vmQuota = 0;
} else if (qName.endsWith("VmQuota")) {
vmQuota = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("NicQuota")) {
nicQuota = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("NetworkQuota")) {
networkQuota = Integer.parseInt(currentOrNull());
} else if (qName.endsWith("IsEnabled")) {
isEnabled = Boolean.parseBoolean(currentOrNull());
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
currentText.append(ch, start, length);
}
protected String currentOrNull() {
String returnVal = currentText.toString().trim();
return returnVal.equals("") ? null : returnVal;
}
}