/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.jboss.ws.extensions.security.element;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import org.apache.xml.security.encryption.Reference;
import org.jboss.ws.extensions.security.Constants;
import org.jboss.ws.extensions.security.Util;
import org.w3c.dom.Element;
/**
* @author Jason T. Greene
* @version $Id: ReferenceList.java 1757 2006-12-22 15:40:24Z thomas.diesler@jboss.com $
*/
public class ReferenceList
{
private LinkedList<String> references = new LinkedList<String>();
public ReferenceList()
{
}
public ReferenceList(Element element)
{
Element child = Util.getFirstChildElement(element);
while (child != null)
{
// Skip key references, they aren't used by WS-Security
if (Constants.XML_ENCRYPTION_NS.equals(child.getNamespaceURI())
&& Constants.XENC_DATAREFERENCE.equals(child.getLocalName()))
{
String uri = child.getAttribute("URI");
if (uri != null && uri.length() > 1 && uri.charAt(0) == '#')
references.add(uri.substring(1));
}
child = Util.getNextSiblingElement(child);
}
}
public ReferenceList(org.apache.xml.security.encryption.ReferenceList list)
{
Iterator i = list.getReferences();
while (i.hasNext())
{
Reference r = (Reference) i.next();
references.add(r.getURI());
}
}
public void add(String id)
{
// We prepend so that decryption can handle nested elements by just
// following the order
references.addFirst(id);
}
public void populateRealReferenceList(org.apache.xml.security.encryption.ReferenceList list)
{
for (String i : references)
{
list.add(list.newDataReference("#" + i));
}
}
public Collection<String> getAllReferences()
{
return references;
}
}