WSPolicyWriter.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.picketlink.identity.federation.core.wstrust.writers;

import static org.picketlink.identity.federation.core.wspolicy.WSPolicyConstants.APPLIES_TO;
import static org.picketlink.identity.federation.core.wspolicy.WSPolicyConstants.WSP_PREFIX;
import static org.picketlink.identity.federation.core.wstrust.WSTrustConstants.WSP_NS;

import java.util.List;

import javax.xml.stream.XMLStreamWriter;

import org.picketlink.identity.federation.core.exceptions.ProcessingException;
import org.picketlink.identity.federation.core.util.StaxUtil;
import org.picketlink.identity.federation.ws.addressing.EndpointReferenceType;
import org.picketlink.identity.federation.ws.policy.AppliesTo;

/**
 * Write the WS-Policy Elements
 *
 * @author Anil.Saldhana@redhat.com
 * @since Nov 5, 2010
 */
public class WSPolicyWriter {
    private XMLStreamWriter writer;

    public WSPolicyWriter(XMLStreamWriter writer) {
        this.writer = writer;
    }

    /**
     * Write an {@code AppliesTo} to the stream
     *
     * @param appliesTo
     * @param out
     * @throws ProcessingException
     */
    public void write(AppliesTo appliesTo) throws ProcessingException {
        StaxUtil.writeStartElement(writer, WSP_PREFIX, APPLIES_TO, WSP_NS);
        StaxUtil.writeNameSpace(writer, WSP_PREFIX, WSP_NS);
        StaxUtil.writeCharacters(writer, ""); // Seems like JDK bug - not writing end character

        List<Object> contentList = appliesTo.getAny();
        if (contentList != null) {
            for (Object content : contentList) {
                if (content instanceof EndpointReferenceType) {
                    EndpointReferenceType endpointReference = (EndpointReferenceType) content;
                    WSAddressingWriter wsAddressingWriter = new WSAddressingWriter(this.writer);
                    wsAddressingWriter.write(endpointReference);
                }
            }
        }

        StaxUtil.writeEndElement(writer);
        StaxUtil.flush(writer);
    }
}