BookInstanceMetaDataBuilder


1   /*
2    * Copyright 2004 Outerthought bvba and Schaubroeck nv
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.outerj.daisy.books.store.impl;
17  
18  import org.outerj.daisy.books.store.BookInstanceMetaData;
19  import org.outerj.daisy.xmlutil.LocalSAXParserFactory;
20  import org.outerx.daisy.x10Bookstoremeta.BookInstanceMetaDataDocument;
21  import org.apache.xmlbeans.XmlOptions;
22  
23  import java.io.InputStream  ;
24  
25  /**
26   * Builds a BookInstanceMetaData object based on its XML description.
27   */
28  public class BookInstanceMetaDataBuilder {
29      public static BookInstanceMetaData build(InputStream   is) throws Exception   {
30          try {
31              XmlOptions xmlOptions = new XmlOptions().setLoadUseXMLReader(LocalSAXParserFactory.newXmlReader());
32              return build(BookInstanceMetaDataDocument.Factory.parse(is, xmlOptions));
33          } finally {
34              is.close();
35          }
36      }
37  
38      public static BookInstanceMetaData build(BookInstanceMetaDataDocument document) throws Exception   {
39          String   errors = XmlUtil.validate(document);
40          if (errors != null)
41              throw new Exception  ("The meta data XML is not valid according to its XML Schema, encountered errors: " + errors);
42  
43          BookInstanceMetaDataDocument.BookInstanceMetaData metaDataXml = document.getBookInstanceMetaData();
44          BookInstanceMetaData metaData = new BookInstanceMetaData(metaDataXml.getLabel(), metaDataXml.getCreatedOn().getTime(), metaDataXml.getCreatedBy());
45          if (metaDataXml.isSetBookPath())
46              metaData.setBookPath(metaDataXml.getBookPath());
47          
48          return metaData;
49      }
50  }
51
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