| 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.trmk.vcloud_0_8.xml; |
| 20 | |
| 21 | import static org.jclouds.trmk.vcloud_0_8.util.Utils.newReferenceType; |
| 22 | import static org.jclouds.trmk.vcloud_0_8.util.Utils.putReferenceType; |
| 23 | |
| 24 | import java.util.Map; |
| 25 | |
| 26 | import org.jclouds.http.functions.ParseSax; |
| 27 | import org.jclouds.trmk.vcloud_0_8.TerremarkVCloudMediaType; |
| 28 | import org.jclouds.trmk.vcloud_0_8.domain.Catalog; |
| 29 | import org.jclouds.trmk.vcloud_0_8.domain.ReferenceType; |
| 30 | import org.jclouds.trmk.vcloud_0_8.domain.internal.CatalogImpl; |
| 31 | import org.jclouds.util.SaxUtils; |
| 32 | import org.xml.sax.Attributes; |
| 33 | import org.xml.sax.SAXException; |
| 34 | |
| 35 | import com.google.common.collect.Maps; |
| 36 | |
| 37 | /** |
| 38 | * @author Adrian Cole |
| 39 | */ |
| 40 | public class CatalogHandler extends ParseSax.HandlerWithResult<Catalog> { |
| 41 | |
| 42 | private StringBuilder currentText = new StringBuilder(); |
| 43 | |
| 44 | private ReferenceType catalog; |
| 45 | private Map<String, ReferenceType> contents = Maps.newLinkedHashMap(); |
| 46 | private String description; |
| 47 | |
| 48 | public Catalog getResult() { |
| 49 | return new CatalogImpl(catalog.getName(), catalog.getType(), catalog.getHref(), description, contents); |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException { |
| 54 | Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs); |
| 55 | if (qName.equals("Catalog")) { |
| 56 | catalog = newReferenceType(attributes, TerremarkVCloudMediaType.CATALOG_XML); |
| 57 | } else if (qName.equals("CatalogItem")) { |
| 58 | putReferenceType(contents, attributes); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | public void endElement(String uri, String name, String qName) { |
| 63 | if (qName.equals("Description")) { |
| 64 | description = currentOrNull(); |
| 65 | } |
| 66 | currentText = new StringBuilder(); |
| 67 | } |
| 68 | |
| 69 | public void characters(char ch[], int start, int length) { |
| 70 | currentText.append(ch, start, length); |
| 71 | } |
| 72 | |
| 73 | protected String currentOrNull() { |
| 74 | String returnVal = currentText.toString().trim(); |
| 75 | return returnVal.equals("") ? null : returnVal; |
| 76 | } |
| 77 | } |