| 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.azureblob.xml; |
| 20 | |
| 21 | import java.net.URI; |
| 22 | import java.util.Date; |
| 23 | import java.util.Map; |
| 24 | import java.util.SortedSet; |
| 25 | |
| 26 | import javax.inject.Inject; |
| 27 | |
| 28 | import org.jclouds.azureblob.domain.ContainerProperties; |
| 29 | import org.jclouds.azureblob.domain.internal.ContainerPropertiesImpl; |
| 30 | import org.jclouds.azure.storage.domain.BoundedSet; |
| 31 | import org.jclouds.azure.storage.domain.internal.BoundedHashSet; |
| 32 | import org.jclouds.date.DateService; |
| 33 | import org.jclouds.http.functions.ParseSax; |
| 34 | import org.xml.sax.Attributes; |
| 35 | import org.xml.sax.SAXException; |
| 36 | |
| 37 | import com.google.common.collect.Maps; |
| 38 | import com.google.common.collect.Sets; |
| 39 | |
| 40 | /** |
| 41 | * Parses the following XML document: |
| 42 | * <p/> |
| 43 | * EnumerationResults AccountName="http://myaccount.blob.core.windows.net" |
| 44 | * |
| 45 | * @see <a href="http://msdn.microsoft.com/en-us/library/dd179352.aspx" /> |
| 46 | * @author Adrian Cole |
| 47 | */ |
| 48 | public class AccountNameEnumerationResultsHandler extends |
| 49 | ParseSax.HandlerWithResult<BoundedSet<ContainerProperties>> { |
| 50 | |
| 51 | private SortedSet<ContainerProperties> containerMetadata = Sets.newTreeSet(); |
| 52 | private String prefix; |
| 53 | private String marker; |
| 54 | private int maxResults; |
| 55 | private String nextMarker; |
| 56 | private URI currentUrl; |
| 57 | private Date currentLastModified; |
| 58 | private String currentETag; |
| 59 | private boolean inMetadata; |
| 60 | |
| 61 | private Map<String, String> currentMetadata = Maps.newHashMap(); |
| 62 | |
| 63 | private StringBuilder currentText = new StringBuilder(); |
| 64 | |
| 65 | private final DateService dateParser; |
| 66 | private URI accountUrl; |
| 67 | |
| 68 | @Inject |
| 69 | public AccountNameEnumerationResultsHandler(DateService dateParser) { |
| 70 | this.dateParser = dateParser; |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public void startElement(String uri, String localName, String qName, Attributes attributes) |
| 75 | throws SAXException { |
| 76 | if (qName.equals("Container")) { |
| 77 | inMetadata = false; |
| 78 | } else if (qName.equals("Metadata")) { |
| 79 | inMetadata = true; |
| 80 | } else if (qName.equals("EnumerationResults")) { |
| 81 | accountUrl = URI.create(attributes.getValue("AccountName").toString().trim()); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | public BoundedSet<ContainerProperties> getResult() { |
| 86 | return new BoundedHashSet<ContainerProperties>(containerMetadata, accountUrl, prefix, marker, |
| 87 | maxResults, nextMarker); |
| 88 | } |
| 89 | |
| 90 | public void endElement(String uri, String name, String qName) { |
| 91 | if (inMetadata && !qName.equals("Metadata")) { |
| 92 | currentMetadata.put(qName, currentText.toString().trim()); |
| 93 | } else if (qName.equals("Metadata")) { |
| 94 | inMetadata = false; |
| 95 | } else if (qName.equals("MaxResults")) { |
| 96 | maxResults = Integer.parseInt(currentText.toString().trim()); |
| 97 | } else if (qName.equals("Marker")) { |
| 98 | marker = currentText.toString().trim(); |
| 99 | marker = (marker.equals("")) ? null : marker; |
| 100 | } else if (qName.equals("Prefix")) { |
| 101 | prefix = currentText.toString().trim(); |
| 102 | prefix = (prefix.equals("")) ? null : prefix; |
| 103 | } else if (qName.equals("NextMarker")) { |
| 104 | nextMarker = currentText.toString().trim(); |
| 105 | nextMarker = (nextMarker.equals("")) ? null : nextMarker; |
| 106 | } else if (qName.equals("Container")) { |
| 107 | containerMetadata.add(new ContainerPropertiesImpl(currentUrl, currentLastModified, |
| 108 | currentETag, currentMetadata)); |
| 109 | currentUrl = null; |
| 110 | currentLastModified = null; |
| 111 | currentETag = null; |
| 112 | currentMetadata = Maps.newHashMap(); |
| 113 | } else if (qName.equals("Url")) { |
| 114 | currentUrl = URI.create(currentText.toString().trim()); |
| 115 | } else if (qName.equals("Last-Modified")) { |
| 116 | currentLastModified = dateParser.rfc822DateParse(currentText.toString().trim()); |
| 117 | } else if (qName.equals("Etag")) { |
| 118 | currentETag = currentText.toString().trim(); |
| 119 | } |
| 120 | currentText = new StringBuilder(); |
| 121 | } |
| 122 | |
| 123 | public void characters(char ch[], int start, int length) { |
| 124 | currentText.append(ch, start, length); |
| 125 | } |
| 126 | } |