reportbuilder/java/org/libreoffice/report/pentaho/styles/StyleMappingDocumentReadHandler.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 package org.libreoffice.report.pentaho.styles;
  19
  20 import java.util.ArrayList;
  21 import java.util.List;
  22
  23 import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
  24 import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
  25
  26 import org.xml.sax.Attributes;
  27 import org.xml.sax.SAXException;
  28
  29
  30 /**
  31  * Todo: Document me!
  32  *
  33  * @since 12.03.2007
  34  */
  35 public class StyleMappingDocumentReadHandler extends AbstractXmlReadHandler
  36 {
  37
  38     private final StyleMapper styleMapper;
  39     private final List<StyleMappingReadHandler> mappings;
  40
  41     public StyleMappingDocumentReadHandler()
  42     {
  43         this.mappings = new ArrayList<StyleMappingReadHandler>();
  44         this.styleMapper = new StyleMapper();
  45     }
  46
  47     /**
  48      * Returns the handler for a child element.
  49      *
  50      * @param tagName the tag name.
  51      * @param atts    the attributes.
  52      * @return the handler or null, if the tagname is invalid.
  53      *
  54      * @throws org.xml.sax.SAXException if there is a parsing error.
  55      */
  56     @Override
  57     protected XmlReadHandler getHandlerForChild(final String uri,
  58             final String tagName,
  59             final Attributes atts)
  60             throws SAXException
  61     {
  62         if (isSameNamespace(uri) && "mapping".equals(tagName))
  63         {
  64             final StyleMappingReadHandler smr = new StyleMappingReadHandler();
  65             mappings.add(smr);
  66             return smr;
  67         }
  68         return null;
  69     }
  70
  71     /**
  72      * Done parsing.
  73      *
  74      * @throws org.xml.sax.SAXException if there is a parsing error.
  75      */
  76     @Override
  77     protected void doneParsing()
  78             throws SAXException
  79     {
  80         for (int i = 0; i < mappings.size(); i++)
  81         {
  82             final StyleMappingReadHandler handler = mappings.get(i);
  83             styleMapper.addMapping(handler.getRule());
  84         }
  85     }
  86
  87     /**
  88      * Returns the object for this element or null, if this element does not
  89      * create an object.
  90      *
  91      * @return the object.
  92      */
  93     public StyleMapper getObject()
  94             throws SAXException
  95     {
  96         return styleMapper;
  97     }
  98 }