| 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.aws.ec2.xml; |
| 20 | |
| 21 | import java.util.Set; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | |
| 25 | import org.jclouds.aws.ec2.domain.Tag; |
| 26 | import org.jclouds.http.HttpRequest; |
| 27 | import org.jclouds.http.functions.ParseSax; |
| 28 | import org.jclouds.http.functions.ParseSax.HandlerWithResult; |
| 29 | import org.xml.sax.Attributes; |
| 30 | import org.xml.sax.SAXException; |
| 31 | |
| 32 | import com.google.common.collect.Sets; |
| 33 | |
| 34 | /** |
| 35 | * @author grkvlt@apache.org |
| 36 | */ |
| 37 | public class DescribeTagsResponseHandler extends ParseSax.HandlerWithResult<Set<Tag>> { |
| 38 | private Set<Tag> tags = Sets.newLinkedHashSet(); |
| 39 | private final TagHandler tagHandler; |
| 40 | |
| 41 | @Inject |
| 42 | public DescribeTagsResponseHandler(TagHandler tagHandler) { |
| 43 | this.tagHandler = tagHandler; |
| 44 | } |
| 45 | |
| 46 | public Set<Tag> getResult() { |
| 47 | return tags; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public HandlerWithResult<Set<Tag>> setContext(HttpRequest request) { |
| 52 | tagHandler.setContext(request); |
| 53 | return super.setContext(request); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { |
| 58 | if (!qName.equals("item")) |
| 59 | tagHandler.startElement(uri, localName, qName, attributes); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void endElement(String uri, String localName, String qName) throws SAXException { |
| 64 | if (qName.equals("item")) { |
| 65 | tags.add(tagHandler.getResult()); |
| 66 | } |
| 67 | tagHandler.endElement(uri, localName, qName); |
| 68 | } |
| 69 | |
| 70 | public void characters(char ch[], int start, int length) { |
| 71 | tagHandler.characters(ch, start, length); |
| 72 | } |
| 73 | } |