File: BinarySecurityToken.java

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/*
* 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 org.jboss.ws.extensions.security.Constants;
import org.jboss.ws.extensions.security.Util;
import org.jboss.ws.extensions.security.exception.WSSecurityException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;


/**
 * @author Jason T. Greene
 * @version $Id: BinarySecurityToken.java 5034 2007-11-12 14:08:23Z alessio.soldano@jboss.com $
 */
abstract public class BinarySecurityToken implements Token
{
   private Document doc;

   private String id;

   private Element cachedElement;

   public static BinarySecurityToken createBinarySecurityToken(Element element) throws WSSecurityException
   {
      String valueType = element.getAttribute("ValueType");
      if (X509Token.TYPE.equals(valueType))
         return new X509Token(element);
      else
         throw new WSSecurityException("Unkown Binary Security Token!!!");
   }

   public BinarySecurityToken(Document doc)
   {
      this.doc = doc;
   }

   abstract public String getValueType();

   abstract public String getEncodingType();

   abstract public String getEncodedValue(boolean noWhitespace);

   public String getId()
   {
      if (id == null)
         id = Util.generateId("token");

      return id;
   }

   public void setId(String id)
   {
      this.id = id;
   }

   public Element getElement()
   {
      if (cachedElement != null)
         return cachedElement;

      Element element = doc.createElementNS(Constants.WSSE_NS, Constants.WSSE_PREFIX + ":" + "BinarySecurityToken");
      element.setAttributeNS(Constants.WSU_NS, Constants.WSU_ID, getId());
      element.setAttribute("ValueType", getValueType());
      element.setAttribute("EncodingType", getEncodingType());
      element.appendChild(doc.createTextNode(getEncodedValue(false)));

      cachedElement = element;
      return cachedElement;
   }

   public Element getSTRTransformElement()
   {
      Element element = doc.createElementNS(Constants.WSSE_NS, Constants.WSSE_PREFIX + ":" + "BinarySecurityToken");
      Util.addNamespace(element, Constants.WSSE_PREFIX, Constants.WSSE_NS);
      element.setAttribute("ValueType", getValueType());
      element.appendChild(doc.createTextNode(getEncodedValue(true)));

      return element;
   }
}