| 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 static org.jclouds.util.SaxUtils.currentOrNull; |
| 22 | import static org.jclouds.util.SaxUtils.equalsOrSuffix; |
| 23 | |
| 24 | import java.util.Date; |
| 25 | import java.util.Set; |
| 26 | |
| 27 | import javax.annotation.Resource; |
| 28 | import javax.inject.Inject; |
| 29 | |
| 30 | import org.jclouds.aws.util.AWSUtils; |
| 31 | import org.jclouds.date.DateService; |
| 32 | import org.jclouds.ec2.domain.Attachment; |
| 33 | import org.jclouds.ec2.domain.BlockDevice; |
| 34 | import org.jclouds.ec2.domain.InstanceState; |
| 35 | import org.jclouds.ec2.domain.Reservation; |
| 36 | import org.jclouds.ec2.domain.RootDeviceType; |
| 37 | import org.jclouds.ec2.domain.RunningInstance; |
| 38 | import org.jclouds.ec2.domain.RunningInstance.Builder; |
| 39 | import org.jclouds.http.functions.ParseSax.HandlerForGeneratedRequestWithResult; |
| 40 | import org.jclouds.location.Region; |
| 41 | import org.jclouds.logging.Logger; |
| 42 | import org.xml.sax.Attributes; |
| 43 | |
| 44 | import com.google.common.collect.Sets; |
| 45 | import com.google.inject.Provider; |
| 46 | |
| 47 | /** |
| 48 | * |
| 49 | * @author Adrian Cole |
| 50 | */ |
| 51 | public abstract class BaseReservationHandler<T> extends HandlerForGeneratedRequestWithResult<T> { |
| 52 | |
| 53 | @Resource |
| 54 | protected Logger logger = Logger.NULL; |
| 55 | |
| 56 | protected final DateService dateService; |
| 57 | protected final String defaultRegion; |
| 58 | protected final Provider<Builder> builderProvider; |
| 59 | |
| 60 | @Inject |
| 61 | public BaseReservationHandler(DateService dateService, @Region String defaultRegion, |
| 62 | Provider<RunningInstance.Builder> builderProvider) { |
| 63 | this.dateService = dateService; |
| 64 | this.defaultRegion = defaultRegion; |
| 65 | this.builderProvider = builderProvider; |
| 66 | this.builder = builderProvider.get(); |
| 67 | } |
| 68 | |
| 69 | protected StringBuilder currentText = new StringBuilder(); |
| 70 | |
| 71 | protected Builder builder; |
| 72 | |
| 73 | protected int itemDepth; |
| 74 | boolean inInstancesSet; |
| 75 | // attachments |
| 76 | private String volumeId; |
| 77 | private Attachment.Status attachmentStatus; |
| 78 | private Date attachTime; |
| 79 | private boolean deleteOnTermination; |
| 80 | private String deviceName; |
| 81 | |
| 82 | // reservation stuff |
| 83 | private Set<String> groupIds = Sets.newLinkedHashSet(); |
| 84 | private String ownerId; |
| 85 | private String requesterId; |
| 86 | private String reservationId; |
| 87 | |
| 88 | private Set<RunningInstance> instances = Sets.newLinkedHashSet(); |
| 89 | |
| 90 | public void startElement(String uri, String name, String qName, Attributes attrs) { |
| 91 | if (equalsOrSuffix(qName, "item")) { |
| 92 | itemDepth++; |
| 93 | } else if (equalsOrSuffix(qName, "instancesSet")) { |
| 94 | inInstancesSet = true; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | public void endElement(String uri, String name, String qName) { |
| 99 | if (equalsOrSuffix(qName, "item")) { |
| 100 | inItem(); |
| 101 | itemDepth--; |
| 102 | } else if (equalsOrSuffix(qName, "instancesSet")) { |
| 103 | inInstancesSet = false; |
| 104 | } else if (equalsOrSuffix(qName, "groupId")) { |
| 105 | groupIds.add(currentOrNull(currentText)); |
| 106 | } else if (equalsOrSuffix(qName, "ownerId")) { |
| 107 | ownerId = currentOrNull(currentText); |
| 108 | } else if (equalsOrSuffix(qName, "requesterId")) { |
| 109 | requesterId = currentOrNull(currentText); |
| 110 | } else if (equalsOrSuffix(qName, "reservationId")) { |
| 111 | reservationId = currentOrNull(currentText); |
| 112 | } else if (equalsOrSuffix(qName, "amiLaunchIndex")) { |
| 113 | builder.amiLaunchIndex(currentOrNull(currentText)); |
| 114 | } else if (equalsOrSuffix(qName, "dnsName")) { |
| 115 | String dnsName = currentOrNull(currentText); |
| 116 | // Eucalyptus |
| 117 | if (!"0.0.0.0".equals(dnsName)) |
| 118 | builder.dnsName(dnsName); |
| 119 | } else if (equalsOrSuffix(qName, "imageId")) { |
| 120 | builder.imageId(currentOrNull(currentText)); |
| 121 | } else if (equalsOrSuffix(qName, "instanceId")) { |
| 122 | builder.instanceId(currentOrNull(currentText)); |
| 123 | } else if (equalsOrSuffix(qName, "name")) { |
| 124 | builder.instanceState(InstanceState.fromValue(currentOrNull(currentText))); |
| 125 | } else if (equalsOrSuffix(qName, "instanceType")) { |
| 126 | builder.instanceType(currentOrNull(currentText)); |
| 127 | } else if (equalsOrSuffix(qName, "ipAddress")) { |
| 128 | builder.ipAddress(currentOrNull(currentText)); |
| 129 | } else if (equalsOrSuffix(qName, "kernelId")) { |
| 130 | builder.kernelId(currentOrNull(currentText)); |
| 131 | } else if (equalsOrSuffix(qName, "keyName")) { |
| 132 | builder.keyName(currentOrNull(currentText)); |
| 133 | } else if (equalsOrSuffix(qName, "launchTime")) { |
| 134 | builder.launchTime(parseDate()); |
| 135 | } else if (equalsOrSuffix(qName, "availabilityZone")) { |
| 136 | builder.availabilityZone(currentOrNull(currentText)); |
| 137 | } else if (equalsOrSuffix(qName, "virtualizationType")) { |
| 138 | builder.virtualizationType(currentOrNull(currentText)); |
| 139 | } else if (equalsOrSuffix(qName, "platform")) { |
| 140 | builder.platform(currentOrNull(currentText)); |
| 141 | } else if (equalsOrSuffix(qName, "privateDnsName")) { |
| 142 | String privateDnsName = currentOrNull(currentText); |
| 143 | // Eucalyptus |
| 144 | if (!"0.0.0.0".equals(privateDnsName)) |
| 145 | builder.privateDnsName(privateDnsName); |
| 146 | } else if (equalsOrSuffix(qName, "privateIpAddress")) { |
| 147 | builder.privateIpAddress(currentOrNull(currentText)); |
| 148 | } else if (equalsOrSuffix(qName, "ramdiskId")) { |
| 149 | builder.ramdiskId(currentOrNull(currentText)); |
| 150 | } else if (equalsOrSuffix(qName, "reason")) { |
| 151 | builder.reason(currentOrNull(currentText)); |
| 152 | } else if (equalsOrSuffix(qName, "rootDeviceType")) { |
| 153 | builder.rootDeviceType(RootDeviceType.fromValue(currentOrNull(currentText))); |
| 154 | } else if (equalsOrSuffix(qName, "rootDeviceName")) { |
| 155 | builder.rootDeviceName(currentOrNull(currentText)); |
| 156 | } else if (equalsOrSuffix(qName, "deviceName")) { |
| 157 | deviceName = currentOrNull(currentText); |
| 158 | } else if (equalsOrSuffix(qName, "volumeId")) { |
| 159 | volumeId = currentOrNull(currentText); |
| 160 | } else if (equalsOrSuffix(qName, "status")) { |
| 161 | attachmentStatus = Attachment.Status.fromValue(currentText.toString().trim()); |
| 162 | } else if (equalsOrSuffix(qName, "attachTime")) { |
| 163 | attachTime = dateService.iso8601DateParse(currentText.toString().trim()); |
| 164 | } else if (equalsOrSuffix(qName, "deleteOnTermination")) { |
| 165 | deleteOnTermination = Boolean.parseBoolean(currentText.toString().trim()); |
| 166 | } else if (equalsOrSuffix(qName, "ebs")) { |
| 167 | builder.device(deviceName, new BlockDevice(volumeId, attachmentStatus, attachTime, deleteOnTermination)); |
| 168 | this.deviceName = null; |
| 169 | this.volumeId = null; |
| 170 | this.attachmentStatus = null; |
| 171 | this.attachTime = null; |
| 172 | this.deleteOnTermination = true; |
| 173 | } |
| 174 | currentText = new StringBuilder(); |
| 175 | } |
| 176 | |
| 177 | protected Date parseDate() { |
| 178 | try { |
| 179 | return dateService.iso8601DateParse(currentOrNull(currentText)); |
| 180 | } catch (RuntimeException e) { |
| 181 | // Eucalyptus |
| 182 | return dateService.iso8601SecondsDateParse(currentOrNull(currentText)); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | protected void inItem() { |
| 187 | if (endOfInstanceItem()) { |
| 188 | refineBuilderBeforeAddingInstance(); |
| 189 | instances.add(builder.build()); |
| 190 | builder = builderProvider.get(); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | protected void refineBuilderBeforeAddingInstance() { |
| 195 | String region = getRequest() != null ? AWSUtils.findRegionInArgsOrNull(getRequest()) : null; |
| 196 | |
| 197 | // Eucalyptus |
| 198 | if (builder.getIpAddress() == null && builder.getDnsName() != null && builder.getDnsName().matches(".*[0-9]$")) { |
| 199 | builder.ipAddress(builder.getDnsName()); |
| 200 | builder.dnsName(null); |
| 201 | } |
| 202 | if (builder.getPrivateIpAddress() == null && builder.getPrivateDnsName() != null |
| 203 | && builder.getPrivateDnsName().matches(".*[0-9]$")) { |
| 204 | builder.privateIpAddress(builder.getPrivateDnsName()); |
| 205 | builder.privateDnsName(null); |
| 206 | } |
| 207 | |
| 208 | builder.region((region == null) ? defaultRegion : region); |
| 209 | builder.groupIds(groupIds); |
| 210 | } |
| 211 | |
| 212 | protected Builder builder() { |
| 213 | return builder; |
| 214 | } |
| 215 | |
| 216 | protected boolean endOfInstanceItem() { |
| 217 | return itemDepth <= 2 && inInstancesSet; |
| 218 | } |
| 219 | |
| 220 | public void characters(char ch[], int start, int length) { |
| 221 | currentText.append(ch, start, length); |
| 222 | } |
| 223 | |
| 224 | protected Reservation<? extends RunningInstance> newReservation() { |
| 225 | String region = getRequest() != null ? AWSUtils.findRegionInArgsOrNull(getRequest()) : null; |
| 226 | if (region == null) |
| 227 | region = defaultRegion; |
| 228 | Reservation<? extends RunningInstance> info = new Reservation<RunningInstance>(region, groupIds, instances, |
| 229 | ownerId, requesterId, reservationId); |
| 230 | this.groupIds = Sets.newLinkedHashSet(); |
| 231 | this.instances = Sets.newLinkedHashSet(); |
| 232 | this.ownerId = null; |
| 233 | this.requesterId = null; |
| 234 | this.reservationId = null; |
| 235 | return info; |
| 236 | } |
| 237 | |
| 238 | } |