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PicketBox is a security project for Java Applications.
There is a newer version: 5.1.0.Final
/*
  * JBoss, Home of Professional Open Source
  * Copyright 2007, 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.security.plugins.mapping;

import java.util.ArrayList;
import java.util.List;

import org.jboss.security.PicketBoxLogger;
import org.jboss.security.PicketBoxMessages;
import org.jboss.security.SecurityConstants;
import org.jboss.security.SecurityUtil;
import org.jboss.security.config.ApplicationPolicy;
import org.jboss.security.config.MappingInfo;
import org.jboss.security.config.SecurityConfiguration;
import org.jboss.security.mapping.MappingContext;
import org.jboss.security.mapping.MappingManager;
import org.jboss.security.mapping.MappingProvider;
import org.jboss.security.mapping.config.MappingModuleEntry;
import org.jboss.security.plugins.ClassLoaderLocator;
import org.jboss.security.plugins.ClassLoaderLocatorFactory;


/**
 *  JBoss implementation of Mapping Manager 
 *  @author [email protected]
 *  @since  Mar 9, 2007 
 *  @version $Revision$
 */
public class JBossMappingManager implements MappingManager
{   
   private String securityDomain;

   public JBossMappingManager(String domain)
   {
      this.securityDomain = SecurityUtil.unprefixSecurityDomain(domain);
   }

   public  MappingContext getMappingContext(String mappingType)
   {
      //Apply Mapping Logic
      ApplicationPolicy aPolicy = SecurityConfiguration.getApplicationPolicy(securityDomain);

      if(aPolicy == null)
      {
         String defaultDomain = SecurityConstants.DEFAULT_APPLICATION_POLICY;
         aPolicy = SecurityConfiguration.getApplicationPolicy(defaultDomain);
      }
      if(aPolicy == null )
         throw PicketBoxMessages.MESSAGES.failedToObtainApplicationPolicy(securityDomain);

      MappingContext mc = null;
      MappingInfo rmi = aPolicy.getMappingInfo(mappingType);

      if( rmi != null)
         mc = generateMappingContext(mc, rmi);

      return mc;
   }

   @SuppressWarnings("deprecation")
   public  MappingContext getMappingContext(Class mappingType)
   {
      //Apply Mapping Logic
      ApplicationPolicy aPolicy = SecurityConfiguration.getApplicationPolicy(securityDomain);

      if(aPolicy == null)
      {
         String defaultDomain = SecurityConstants.DEFAULT_APPLICATION_POLICY;
         aPolicy = SecurityConfiguration.getApplicationPolicy(defaultDomain);
      }
      if(aPolicy == null )
         throw PicketBoxMessages.MESSAGES.failedToObtainApplicationPolicy(securityDomain);

      MappingContext mc = null;
      MappingInfo rmi = aPolicy.getMappingInfo(mappingType);
      if( rmi != null)
        mc = generateMappingContext(mc, rmi);

      return mc;
   }


   private  MappingContext generateMappingContext(MappingContext mc, MappingInfo rmi)
   {
	   ClassLoader moduleCL = null;
	   List jbossModuleNames = rmi.getJBossModuleNames();
	   if(!jbossModuleNames.isEmpty())
	   {
		   ClassLoaderLocator cll = ClassLoaderLocatorFactory.get();
		   if(cll != null)
		   {
			   moduleCL = cll.get(jbossModuleNames);
		   }
	   }
	   MappingModuleEntry[] mpe = rmi.getMappingModuleEntry();
	   ArrayList> al = new ArrayList>();

	   for(int i = 0 ; i < mpe.length; i++)
	   {
		   MappingProvider mp = getMappingProvider(moduleCL, mpe[i]);
		   if(mp != null)
		   {
			   al.add(mp);
		   }
	   }
	   return new MappingContext(al);
   }

   public String getSecurityDomain()
   {
      return this.securityDomain;
   }

   @SuppressWarnings("unchecked")
   private  MappingProvider getMappingProvider(ClassLoader cl, MappingModuleEntry mme)
   {
      MappingProvider mp = null;
      try
      {
         String fqn = mme.getMappingModuleName();
         Class clazz = SecurityActions.loadClass(cl, fqn);
         mp = (MappingProvider) clazz.newInstance();
         mp.init(mme.getOptions());
      }
      catch(Exception e)
      {
         PicketBoxLogger.LOGGER.debugIgnoredException(e);
      }
      return mp; 
   }
}