/*
* Copyright [2006] [University Corporation for Advanced Internet Development, Inc.]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.opensaml.saml2.metadata.impl;
import org.opensaml.common.impl.AbstractSAMLObjectMarshaller;
import org.opensaml.common.xml.SAMLConstants;
import org.opensaml.saml2.metadata.KeyDescriptor;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.io.MarshallingException;
import org.opensaml.xml.security.credential.UsageType;
import org.w3c.dom.Element;
/**
* A thread-safe marshaller for {@link org.opensaml.saml2.metadata.KeyDescriptor}s.
*/
public class KeyDescriptorMarshaller extends AbstractSAMLObjectMarshaller {
/** Constructor. */
public KeyDescriptorMarshaller() {
super(SAMLConstants.SAML20MD_NS, KeyDescriptor.DEFAULT_ELEMENT_LOCAL_NAME);
}
/**
* Constructor.
*
* @param namespaceURI the namespace URI of either the schema type QName or element QName of the elements this
* unmarshaller operates on
* @param elementLocalName the local name of either the schema type QName or element QName of the elements this
* unmarshaller operates on
*/
protected KeyDescriptorMarshaller(String namespaceURI, String elementLocalName) {
super(namespaceURI, elementLocalName);
}
/** {@inheritDoc} */
protected void marshallAttributes(XMLObject xmlObject, Element domElement) throws MarshallingException {
KeyDescriptor keyDescriptor = (KeyDescriptor) xmlObject;
if (keyDescriptor.getUse() != null) {
UsageType use = keyDescriptor.getUse();
// UsageType enum contains more values than are allowed by SAML 2 schema
if (use.equals(UsageType.SIGNING) || use.equals(UsageType.ENCRYPTION)) {
domElement.setAttribute(KeyDescriptor.USE_ATTRIB_NAME, use.toString().toLowerCase());
} else if (use.equals(UsageType.UNSPECIFIED)) {
//emit nothing for unspecified - this is semantically equivalent to non-existent attribute
} else {
// Just in case values are unknowingly added to UsageType in the future...
throw new MarshallingException("KeyDescriptor had illegal value for use attribute: " + use.toString());
}
}
}
}