| /** |
| * |
| * Copyright (C) 2009 Cloud Conscious, LLC. <info@cloudconscious.com> |
| * |
| * ==================================================================== |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * ==================================================================== |
| */ |
| package org.jclouds.aws.s3.xml; |
| |
| import org.jclouds.aws.domain.Region; |
| import org.jclouds.http.functions.ParseSax; |
| |
| /** |
| * Parses the response from Amazon S3 GET Bucket Location |
| * <p/> |
| * Region is the document we expect to parse. |
| * |
| * @see <a href= "http://docs.amazonwebservices.com/AmazonS3/latest/RESTBucketLocationGET.html" /> |
| * @author Adrian Cole |
| */ |
| public class LocationConstraintHandler extends ParseSax.HandlerWithResult<String> { |
| private StringBuilder currentText = new StringBuilder(); |
| private String region; |
| |
| public String getResult() { |
| return region; |
| } |
| |
| public void endElement(String uri, String name, String qName) { |
| region = fromValue(currentText.toString().trim()); |
| } |
| |
| /** |
| * parses the value expected in xml documents from the S3 service.= |
| * <p/> |
| * {@code US_STANDARD} is returned as "" xml documents. |
| */ |
| public static String fromValue(String v) { |
| if (v.equals("")) |
| return Region.US_STANDARD; |
| if (v.equals("EU")) |
| return Region.EU_WEST_1; |
| else if (v.equals("us-west-1")) |
| return Region.US_WEST_1; |
| throw new IllegalStateException("unimplemented location: " + v); |
| } |
| |
| public void characters(char ch[], int start, int length) { |
| currentText.append(ch, start, length); |
| } |
| } |