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1   /*
2    * Copyright 2008 University Corporation for Advanced Internet Development, Inc.
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  
17  package org.opensaml.xml.io;
18  
19  import org.opensaml.xml.XMLObject;
20  import org.w3c.dom.Attr;
21  
22  /**
23   * Base class for {@link Unmarshaller} classes.
24   * 
25   * This base class provides no-op implementations of the methods {@link #processAttribute(XMLObject, Attr)},
26   * {@link #processChildElement(XMLObject, XMLObject)}, and {@link #processElementContent(XMLObject, String)}.
27   * Developers extending this class may need to override one or both of these.
28   */
29  public abstract class BaseXMLObjectUnmarshaller extends AbstractXMLObjectUnmarshaller {
30  
31      /** {@inheritDoc} */
32      protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
33  
34      }
35  
36      /** {@inheritDoc} */
37      protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
38              throws UnmarshallingException {
39  
40      }
41  
42      /** {@inheritDoc} */
43      protected void processElementContent(XMLObject xmlObject, String elementContent) {
44  
45      }
46  }