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.signature.impl;
18
19 import org.opensaml.xml.XMLObject;
20 import org.opensaml.xml.io.UnmarshallingException;
21 import org.opensaml.xml.signature.DSAKeyValue;
22 import org.opensaml.xml.signature.KeyValue;
23 import org.opensaml.xml.signature.RSAKeyValue;
24
25 /**
26 * A thread-safe Unmarshaller for {@link org.opensaml.xml.signature.KeyValue} objects.
27 */
28 public class KeyValueUnmarshaller extends AbstractXMLSignatureUnmarshaller {
29
30 /** {@inheritDoc} */
31 protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
32 throws UnmarshallingException {
33 KeyValue keyValue = (KeyValue) parentXMLObject;
34
35 if (childXMLObject instanceof DSAKeyValue) {
36 keyValue.setDSAKeyValue((DSAKeyValue) childXMLObject);
37 } else if (childXMLObject instanceof RSAKeyValue) {
38 keyValue.setRSAKeyValue((RSAKeyValue) childXMLObject);
39 } else {
40 // There can be only one...
41 if (keyValue.getUnknownXMLObject() == null) {
42 keyValue.setUnknownXMLObject(childXMLObject);
43 } else {
44 // If this happens, throw the others up to the parent class to be logged/handled.
45 super.processChildElement(parentXMLObject, childXMLObject);
46 }
47 }
48 }
49
50 }