| 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.ovf.xml; |
| 20 | |
| 21 | import static org.jclouds.util.SaxUtils.currentOrNull; |
| 22 | import static org.jclouds.util.SaxUtils.equalsOrSuffix; |
| 23 | |
| 24 | import javax.inject.Provider; |
| 25 | |
| 26 | import org.jclouds.http.functions.ParseSax; |
| 27 | import org.jclouds.ovf.Section; |
| 28 | import org.jclouds.ovf.Section.Builder; |
| 29 | |
| 30 | /** |
| 31 | * @author Adrian Cole |
| 32 | */ |
| 33 | public class SectionHandler<T extends Section<T>, B extends Section.Builder<T>> extends ParseSax.HandlerWithResult<T> { |
| 34 | @SuppressWarnings("unchecked") |
| 35 | public static SectionHandler create() { |
| 36 | return new SectionHandler(new Provider<Section.Builder>() { |
| 37 | |
| 38 | @Override |
| 39 | public Builder get() { |
| 40 | return new Section.Builder(); |
| 41 | } |
| 42 | |
| 43 | }); |
| 44 | } |
| 45 | |
| 46 | protected final Provider<? extends Section.Builder<T>> builderProvider; |
| 47 | protected StringBuilder currentText = new StringBuilder(); |
| 48 | protected B builder; |
| 49 | |
| 50 | public SectionHandler(Provider<B> builderProvider) { |
| 51 | this.builderProvider = builderProvider; |
| 52 | this.builder = builderProvider.get(); |
| 53 | } |
| 54 | |
| 55 | @SuppressWarnings("unchecked") |
| 56 | public T getResult() { |
| 57 | try { |
| 58 | return (T) builder.build(); |
| 59 | } finally { |
| 60 | builder = (B) builderProvider.get(); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public void endElement(String uri, String localName, String qName) { |
| 66 | if (equalsOrSuffix(qName, "Info")) { |
| 67 | builder.info(currentOrNull(currentText)); |
| 68 | } |
| 69 | currentText = new StringBuilder(); |
| 70 | } |
| 71 | |
| 72 | public void characters(char ch[], int start, int length) { |
| 73 | currentText.append(ch, start, length); |
| 74 | } |
| 75 | } |