/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * 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.alfresco.example.webservice;

import java.io.IOException;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;

import org.apache.ws.security.WSPasswordCallback;

/**
 * Implements CallbackHandler which returns the currently stored ticket in
 * the static <code>ticket</code> field.
 * 
 * @author gavinc
 */
public class TicketHolder implements CallbackHandler
{
   public static String ticket;
   
   /**
    * @see javax.security.auth.callback.CallbackHandler#handle(javax.security.auth.callback.Callback[])
    */
   public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException
   {
      for (int i = 0; i < callbacks.length; i++) 
      {
         if (callbacks[i] instanceof WSPasswordCallback) 
         {
            WSPasswordCallback pc = (WSPasswordCallback)callbacks[i];
            pc.setPassword(ticket);
         }
         else 
         {
            throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
         }
      }
   }
}