AssertionUnmarshaller.java

/*
 * Copyright [2005] [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.saml1.core.impl;

import org.joda.time.DateTime;
import org.joda.time.chrono.ISOChronology;
import org.opensaml.common.SAMLVersion;
import org.opensaml.common.impl.AbstractSAMLObjectUnmarshaller;
import org.opensaml.common.xml.SAMLConstants;
import org.opensaml.saml1.core.Advice;
import org.opensaml.saml1.core.Assertion;
import org.opensaml.saml1.core.Conditions;
import org.opensaml.saml1.core.Statement;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.io.UnmarshallingException;
import org.opensaml.xml.signature.Signature;
import org.opensaml.xml.util.DatatypeHelper;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;

/**
 * A thread-safe Unmarshaller for {@link org.opensaml.saml1.core.Assertion} objects.
 */
public class AssertionUnmarshaller extends AbstractSAMLObjectUnmarshaller {

    /**
     * Constructor.
     */
    public AssertionUnmarshaller() {
        super(SAMLConstants.SAML1_NS, Assertion.DEFAULT_ELEMENT_LOCAL_NAME);
    }

    /** {@inheritDoc} */
    public XMLObject unmarshall(Element domElement) throws UnmarshallingException {
        // After regular unmarshalling, check the minor version and set ID-ness if not SAML 1.0
        Assertion assertion = (Assertion) super.unmarshall(domElement);
        if (assertion.getMinorVersion() != 0 && !DatatypeHelper.isEmpty(assertion.getID())) {
            domElement.setIdAttributeNS(null, Assertion.ID_ATTRIB_NAME, true);
        }
        return assertion;
    }

    /** {@inheritDoc} */
    protected void processChildElement(XMLObject parentSAMLObject, XMLObject childSAMLObject)
            throws UnmarshallingException {

        Assertion assertion = (Assertion) parentSAMLObject;

        if (childSAMLObject instanceof Signature) {
            assertion.setSignature((Signature) childSAMLObject);
        } else if (childSAMLObject instanceof Conditions) {
            assertion.setConditions((Conditions) childSAMLObject);
        } else if (childSAMLObject instanceof Advice) {
            assertion.setAdvice((Advice) childSAMLObject);
        } else if (childSAMLObject instanceof Statement) {
            assertion.getStatements().add((Statement) childSAMLObject);
        } else {
            super.processChildElement(parentSAMLObject, childSAMLObject);
        }
    }

    /** {@inheritDoc} */
    protected void processAttribute(XMLObject samlObject, Attr attribute) throws UnmarshallingException {

        Assertion assertion = (Assertion) samlObject;

        if (Assertion.ID_ATTRIB_NAME.equals(attribute.getLocalName())) {
            assertion.setID(attribute.getValue());
        } else if (Assertion.ISSUER_ATTRIB_NAME.equals(attribute.getLocalName())) {
            assertion.setIssuer(attribute.getValue());
        } else if (Assertion.ISSUEINSTANT_ATTRIB_NAME.equals(attribute.getLocalName())
                && !DatatypeHelper.isEmpty(attribute.getValue())) {
            assertion.setIssueInstant(new DateTime(attribute.getValue(), ISOChronology.getInstanceUTC()));
        } else if (Assertion.MINORVERSION_ATTRIB_NAME.equals(attribute.getLocalName())) {
            if (attribute.getValue().equals("0")) {
                assertion.setVersion(SAMLVersion.VERSION_10);
            } else {
                assertion.setVersion(SAMLVersion.VERSION_11);
            }
        } else {
            super.processAttribute(samlObject, attribute);
        }
    }

}