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/*
 * 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.jboss.spring.aop;

import org.jboss.aop.AspectManager;
import org.jboss.aop.Domain;
import org.jboss.metadata.plugins.scope.ApplicationScope;
import org.jboss.metadata.plugins.scope.DeploymentScope;
import org.jboss.metadata.spi.MetaData;
import org.jboss.metadata.spi.stack.MetaDataStack;
import org.jboss.util.JBossStringBuilder;

/**
 * JBoss AOP aspect factory.
 *
 * @author Kabir Khan
 * @author Ales Justin
 */
public class AspectManagerFactory
{
   public static AspectManager getAspectManager()
   {
      return getAspectManager(MetaDataStack.peek());
   }

   public static AspectManager getAspectManager(MetaData md)
   {
      AspectManager manager = AspectManager.instance();
      if (md != null)
      {
         AspectManager metaDataManager = md.getMetaData(AspectManager.class);

         if (metaDataManager != null)
         {
            return metaDataManager;
         }
                   
         ApplicationScope app = md.getMetaData(ApplicationScope.class);
         DeploymentScope dep = md.getMetaData(DeploymentScope.class);
         if (app != null && dep != null)
         {
            JBossStringBuilder fqn = new JBossStringBuilder("/");
            AspectManager sub = null;
            if (app != null)
            {
               String name="APPLICATION=" + app.value();
               fqn.append(name);
               fqn.append("/");
               sub = manager.findManagerByName(fqn.toString());
               if (sub == null)
               {
                  sub = createNewDomain(manager, name);
               }
            }

            if (dep != null)
            {
               String name="DEPLOYMENT=" + dep.value();
               fqn.append(name);
               fqn.append("/");
               AspectManager parent = sub;
               sub = manager.findManagerByName(fqn.toString());
               if (sub == null)
               {
                  sub = createNewDomain(parent, name);
               }
            }
            return sub;
         }
      }
      return manager;
   }

   private static AspectManager createNewDomain(AspectManager parent, String name)
   {
      Domain domain = new Domain(parent, name, true);
      domain.setInheritsBindings(true);
      domain.setInheritsDeclarations(true);
      return domain;
   }
}