/*
* 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.util.Set;
import javax.annotation.Resource;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.javax.annotation.Nullable;
import org.jclouds.logging.Logger;
import org.jclouds.trmk.vcloud_0_8.domain.IpAddress;
import org.jclouds.trmk.vcloud_0_8.domain.IpAddress.Status;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.google.common.collect.Sets;
/**
* @author Adrian Cole
*/
public class IpAddressesHandler extends ParseSax.HandlerWithResult<Set<IpAddress>> {
protected StringBuilder currentText = new StringBuilder();
@Resource
protected Logger logger = Logger.NULL;
private Set<IpAddress> addresses = Sets.newLinkedHashSet();
private String address;
private Status status;
@Nullable
private String server;
private boolean skip;
public Set<IpAddress> getResult() {
return addresses;
}
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
if (attributes.getIndex("xsi:nil") != -1) {
skip = true;
return;
} else {
skip = false;
}
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
String current = currentOrNull();
if (current != null) {
if (qName.equals("Name")) {
address = current;
} else if (qName.equals("Status")) {
status = IpAddress.Status.fromValue(current);
} else if (!skip && qName.equals("Server")) {
server = current;
}
} else if (qName.equals("IpAddress")) {
addresses.add(new IpAddress(address, status, server));
address = null;
status = null;
server = null;
}
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;
}
}