| 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.aws.ec2.xml; |
| 20 | |
| 21 | import javax.inject.Inject; |
| 22 | |
| 23 | import org.jclouds.aws.ec2.domain.Spot; |
| 24 | import org.jclouds.aws.util.AWSUtils; |
| 25 | import org.jclouds.date.DateService; |
| 26 | import org.jclouds.http.functions.ParseSax; |
| 27 | import org.jclouds.location.Region; |
| 28 | |
| 29 | /** |
| 30 | * |
| 31 | * @author Adrian Cole |
| 32 | */ |
| 33 | public class SpotHandler extends ParseSax.HandlerForGeneratedRequestWithResult<Spot> { |
| 34 | private StringBuilder currentText = new StringBuilder(); |
| 35 | |
| 36 | protected final DateService dateService; |
| 37 | protected final String defaultRegion; |
| 38 | |
| 39 | @Inject |
| 40 | public SpotHandler(DateService dateService, @Region String defaultRegion) { |
| 41 | this.dateService = dateService; |
| 42 | this.defaultRegion = defaultRegion; |
| 43 | } |
| 44 | |
| 45 | private Spot.Builder builder = Spot.builder(); |
| 46 | |
| 47 | public Spot getResult() { |
| 48 | try { |
| 49 | String region = getRequest() == null ? null : AWSUtils.findRegionInArgsOrNull(getRequest()); |
| 50 | if (region == null) |
| 51 | region = defaultRegion; |
| 52 | return builder.region(region).build(); |
| 53 | } finally { |
| 54 | builder.clear(); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | public void endElement(String uri, String name, String qName) { |
| 59 | if (qName.equals("instanceType")) { |
| 60 | builder.instanceType(currentText.toString().trim()); |
| 61 | } else if (qName.equals("productDescription")) { |
| 62 | builder.productDescription(currentText.toString().trim()); |
| 63 | } else if (qName.equals("spotPrice")) { |
| 64 | builder.spotPrice(Float.parseFloat(currentText.toString().trim())); |
| 65 | } else if (qName.equals("timestamp")) { |
| 66 | builder.timestamp(dateService.iso8601DateParse(currentText.toString().trim())); |
| 67 | } |
| 68 | currentText = new StringBuilder(); |
| 69 | } |
| 70 | |
| 71 | public void characters(char ch[], int start, int length) { |
| 72 | currentText.append(ch, start, length); |
| 73 | } |
| 74 | } |