AbstractCIncludeAspect


1   /*
2    * Copyright 1999-2002,2004 The Apache Software Foundation.
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.apache.cocoon.portal.layout.renderer.aspect.impl;
17  
18  import org.apache.cocoon.transformation.CIncludeTransformer;
19  import org.apache.cocoon.xml.AttributesImpl;
20  import org.xml.sax.ContentHandler  ;
21  import org.xml.sax.SAXException  ;
22  
23  /**
24   * Base class for aspect renderers that generate cinclude statements. Provides a single
25   * method for creating the cinclude tag.
26   * 
27   * @author <a HREF="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
28   * @author <a HREF="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
29   * 
30   * @version CVS $Id: AbstractCIncludeAspect.java 158825 2005-03-23 20:00:56Z cziegeler $
31   */
32  public abstract class AbstractCIncludeAspect 
33      extends AbstractAspect {
34  
35      protected static final String   PREFIX = "cinclude";
36      protected static final String   NAMESPACE = CIncludeTransformer.CINCLUDE_NAMESPACE_URI;
37      protected static final String   ELEMENT = CIncludeTransformer.CINCLUDE_INCLUDE_ELEMENT;
38      protected static final String   QELEMENT= PREFIX + ":" + ELEMENT;
39      protected static final String   ATTRIBUTE = CIncludeTransformer.CINCLUDE_INCLUDE_ELEMENT_SRC_ATTRIBUTE; 
40  
41      /**
42       * Create the cinclude statement.
43       * 
44       * @param source attribute value for the cinclude tag
45       * @param handler SAX event handler
46       */
47      protected void createCInclude(String   source, ContentHandler   handler)
48      throws SAXException   {
49          handler.startPrefixMapping(PREFIX, NAMESPACE);
50          AttributesImpl attributes = new AttributesImpl();
51          attributes.addCDATAAttribute(ATTRIBUTE, source);
52          handler.startElement(NAMESPACE, ELEMENT, QELEMENT, attributes);
53          handler.endElement(NAMESPACE, ELEMENT, QELEMENT);
54          handler.endPrefixMapping(PREFIX);
55      }
56  
57  }
58
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