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1   /*
2    * Copyright [2006] [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.schema.impl;
18  
19  import org.opensaml.xml.XMLObject;
20  import org.opensaml.xml.io.AbstractXMLObjectUnmarshaller;
21  import org.opensaml.xml.io.UnmarshallingException;
22  import org.opensaml.xml.schema.XSQName;
23  import org.opensaml.xml.util.DatatypeHelper;
24  import org.opensaml.xml.util.XMLHelper;
25  import org.w3c.dom.Attr;
26  import org.w3c.dom.Text;
27  
28  /**
29   * A thread-safe unmarshaller for {@link org.opensaml.xml.schema.XSQName}s.
30   */
31  public class XSQNameUnmarshaller extends AbstractXMLObjectUnmarshaller {
32  
33      /** {@inheritDoc} */
34      protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
35              throws UnmarshallingException {
36          // no child elements
37      }
38  
39      /** {@inheritDoc} */
40      protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
41          // no attributes
42      }
43  
44      /** {@inheritDoc} */
45      protected void processElementContent(XMLObject xmlObject, String elementContent) {
46          // handled by overriden unmarshallTextContent() directly, because we need access to the owning DOM element
47      }
48  
49      /** {@inheritDoc} */
50      protected void unmarshallTextContent(XMLObject xmlObject, Text content) throws UnmarshallingException {
51          String textContent = DatatypeHelper.safeTrimOrNullString(content.getWholeText());
52          if (textContent != null) {
53              XSQName qname = (XSQName) xmlObject;
54              qname.setValue(XMLHelper.constructQName(textContent, XMLHelper.getElementAncestor(content)));
55          }
56      }
57  }