EntitiesDescriptorUnmarshaller.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.saml2.metadata.impl;

import org.joda.time.DateTime;
import org.joda.time.chrono.ISOChronology;
import org.opensaml.common.impl.AbstractSAMLObjectUnmarshaller;
import org.opensaml.common.xml.SAMLConstants;
import org.opensaml.saml2.common.CacheableSAMLObject;
import org.opensaml.saml2.common.Extensions;
import org.opensaml.saml2.common.TimeBoundSAMLObject;
import org.opensaml.saml2.metadata.EntitiesDescriptor;
import org.opensaml.saml2.metadata.EntityDescriptor;
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.opensaml.xml.util.XMLHelper;
import org.w3c.dom.Attr;

/**
 * A thread safe Unmarshaller for {@link org.opensaml.saml2.metadata.EntitiesDescriptor} objects.
 */
public class EntitiesDescriptorUnmarshaller extends AbstractSAMLObjectUnmarshaller {

    /**
     * Constructor.
     */
    public EntitiesDescriptorUnmarshaller() {
        super(SAMLConstants.SAML20MD_NS, EntitiesDescriptor.DEFAULT_ELEMENT_LOCAL_NAME);
    }

    /**
     * Constructor.
     * 
     * @param namespaceURI
     * @param elementLocalName
     */
    protected EntitiesDescriptorUnmarshaller(String namespaceURI, String elementLocalName) {
        super(namespaceURI, elementLocalName);
    }

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

        if (childSAMLObject instanceof Extensions) {
            entitiesDescriptor.setExtensions((Extensions) childSAMLObject);
        } else if (childSAMLObject instanceof EntitiesDescriptor) {
            entitiesDescriptor.getEntitiesDescriptors().add((EntitiesDescriptor) childSAMLObject);
        } else if (childSAMLObject instanceof EntityDescriptor) {
            entitiesDescriptor.getEntityDescriptors().add((EntityDescriptor) childSAMLObject);
        } else if (childSAMLObject instanceof Signature) {
            entitiesDescriptor.setSignature((Signature) childSAMLObject);
        } else {
            super.processChildElement(parentSAMLObject, childSAMLObject);
        }
    }

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

        if (attribute.getLocalName().equals(EntitiesDescriptor.ID_ATTRIB_NAME)) {
            entitiesDescriptor.setID(attribute.getValue());
            attribute.getOwnerElement().setIdAttributeNode(attribute, true);
        } else if (attribute.getLocalName().equals(TimeBoundSAMLObject.VALID_UNTIL_ATTRIB_NAME) && !DatatypeHelper.isEmpty(attribute.getValue())) {
            entitiesDescriptor.setValidUntil(new DateTime(attribute.getValue(), ISOChronology.getInstanceUTC()));
        } else if (attribute.getLocalName().equals(CacheableSAMLObject.CACHE_DURATION_ATTRIB_NAME)) {
            entitiesDescriptor.setCacheDuration(new Long(XMLHelper.durationToLong(attribute.getValue())));
        } else if (attribute.getLocalName().equals(EntitiesDescriptor.NAME_ATTRIB_NAME)) {
            entitiesDescriptor.setName(attribute.getValue());
        } else {
            super.processAttribute(samlObject, attribute);
        }
    }
}