| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.ec2.xml; |
| 20 | |
| 21 | import java.util.Set; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | |
| 25 | import org.jclouds.ec2.domain.Volume; |
| 26 | import org.jclouds.http.HttpRequest; |
| 27 | import org.jclouds.http.functions.ParseSax; |
| 28 | import org.xml.sax.Attributes; |
| 29 | import org.xml.sax.SAXException; |
| 30 | |
| 31 | import com.google.common.collect.Sets; |
| 32 | |
| 33 | /** |
| 34 | * @author Adrian Cole |
| 35 | */ |
| 36 | public class DescribeVolumesResponseHandler extends ParseSax.HandlerWithResult<Set<Volume>> { |
| 37 | |
| 38 | private Set<Volume> volumes = Sets.newLinkedHashSet(); |
| 39 | private final CreateVolumeResponseHandler volumeHandler; |
| 40 | |
| 41 | private boolean inAttachmentSet; |
| 42 | |
| 43 | @Inject |
| 44 | public DescribeVolumesResponseHandler(CreateVolumeResponseHandler volumeHandler) { |
| 45 | this.volumeHandler = volumeHandler; |
| 46 | } |
| 47 | |
| 48 | public Set<Volume> getResult() { |
| 49 | return volumes; |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public void startElement(String uri, String localName, String qName, Attributes attributes) |
| 54 | throws SAXException { |
| 55 | if (qName.equals("attachmentSet")) { |
| 56 | inAttachmentSet = true; |
| 57 | } |
| 58 | volumeHandler.startElement(uri, localName, qName, attributes); |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public void endElement(String uri, String localName, String qName) throws SAXException { |
| 63 | volumeHandler.endElement(uri, localName, qName); |
| 64 | if (qName.equals("attachmentSet")) { |
| 65 | inAttachmentSet = false; |
| 66 | } else if (qName.equals("item") && !inAttachmentSet) { |
| 67 | this.volumes.add(volumeHandler.getResult()); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | public void characters(char ch[], int start, int length) { |
| 72 | volumeHandler.characters(ch, start, length); |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public DescribeVolumesResponseHandler setContext(HttpRequest request) { |
| 77 | volumeHandler.setContext(request); |
| 78 | super.setContext(request); |
| 79 | return this; |
| 80 | } |
| 81 | } |