| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * 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, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.ec2.xml; |
| 20 | |
| 21 | import java.util.Set; |
| 22 | |
| 23 | import javax.annotation.Resource; |
| 24 | import javax.inject.Inject; |
| 25 | |
| 26 | import org.jclouds.aws.util.AWSUtils; |
| 27 | import org.jclouds.ec2.domain.PublicIpInstanceIdPair; |
| 28 | import org.jclouds.http.functions.ParseSax.HandlerForGeneratedRequestWithResult; |
| 29 | import org.jclouds.location.Region; |
| 30 | import org.jclouds.logging.Logger; |
| 31 | |
| 32 | import com.google.common.collect.Sets; |
| 33 | |
| 34 | /** |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | public class DescribeAddressesResponseHandler extends |
| 39 | HandlerForGeneratedRequestWithResult<Set<PublicIpInstanceIdPair>> { |
| 40 | |
| 41 | @Resource |
| 42 | protected Logger logger = Logger.NULL; |
| 43 | private Set<PublicIpInstanceIdPair> pairs = Sets.newLinkedHashSet(); |
| 44 | private String ipAddress; |
| 45 | private StringBuilder currentText = new StringBuilder(); |
| 46 | @Inject |
| 47 | @Region |
| 48 | String defaultRegion; |
| 49 | private String instanceId; |
| 50 | |
| 51 | protected String currentOrNull() { |
| 52 | String returnVal = currentText.toString().trim(); |
| 53 | return returnVal.equals("") ? null : returnVal; |
| 54 | } |
| 55 | |
| 56 | public void endElement(String uri, String name, String qName) { |
| 57 | if (qName.equals("publicIp")) { |
| 58 | ipAddress = currentOrNull(); |
| 59 | } else if (qName.equals("instanceId")) { |
| 60 | instanceId = currentOrNull(); |
| 61 | } else if (qName.equals("item")) { |
| 62 | String region = AWSUtils.findRegionInArgsOrNull(getRequest()); |
| 63 | if (region == null) |
| 64 | region = defaultRegion; |
| 65 | pairs.add(new PublicIpInstanceIdPair(region, ipAddress, instanceId)); |
| 66 | ipAddress = null; |
| 67 | instanceId = null; |
| 68 | } |
| 69 | currentText = new StringBuilder(); |
| 70 | } |
| 71 | |
| 72 | public void characters(char ch[], int start, int length) { |
| 73 | currentText.append(ch, start, length); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public Set<PublicIpInstanceIdPair> getResult() { |
| 78 | return pairs; |
| 79 | } |
| 80 | |
| 81 | } |