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17 package org.opensaml.saml2.metadata.impl;
18
19 import org.opensaml.common.impl.AbstractSAMLObjectUnmarshaller;
20 import org.opensaml.saml2.metadata.EncryptionMethod;
21 import org.opensaml.saml2.metadata.KeyDescriptor;
22 import org.opensaml.xml.XMLObject;
23 import org.opensaml.xml.io.UnmarshallingException;
24 import org.opensaml.xml.security.credential.UsageType;
25 import org.opensaml.xml.signature.KeyInfo;
26 import org.w3c.dom.Attr;
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31 public class KeyDescriptorUnmarshaller extends AbstractSAMLObjectUnmarshaller {
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34 protected void processChildElement(XMLObject parentSAMLObject, XMLObject childSAMLObject)
35 throws UnmarshallingException {
36 KeyDescriptor keyDescriptor = (KeyDescriptor) parentSAMLObject;
37
38 if (childSAMLObject instanceof KeyInfo) {
39 keyDescriptor.setKeyInfo((KeyInfo) childSAMLObject);
40 } else if (childSAMLObject instanceof EncryptionMethod) {
41 keyDescriptor.getEncryptionMethods().add((EncryptionMethod) childSAMLObject);
42 } else {
43 super.processChildElement(parentSAMLObject, childSAMLObject);
44 }
45 }
46
47
48 protected void processAttribute(XMLObject samlObject, Attr attribute) throws UnmarshallingException {
49 KeyDescriptor keyDescriptor = (KeyDescriptor) samlObject;
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51 if (attribute.getName().equals(KeyDescriptor.USE_ATTRIB_NAME)) {
52 try {
53 UsageType usageType = UsageType.valueOf(UsageType.class, attribute.getValue().toUpperCase());
54
55 if (usageType != UsageType.SIGNING && usageType != UsageType.ENCRYPTION) {
56 throw new UnmarshallingException("Invalid key usage type: " + attribute.getValue());
57 }
58 keyDescriptor.setUse(usageType);
59 } catch (IllegalArgumentException e) {
60 throw new UnmarshallingException("Invalid key usage type: " + attribute.getValue());
61 }
62 }
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64 super.processAttribute(samlObject, attribute);
65 }
66 }