package org.eclipse.jetty.deploy.bindings;
   //========================================================================
   //Copyright (c) Webtide LLC
   //------------------------------------------------------------------------
   //All rights reserved. This program and the accompanying materials
   //are made available under the terms of the Eclipse Public License v1.0
   //and Apache License v2.0 which accompanies this distribution.
   //
   //The Eclipse Public License is available at 
  //http://www.eclipse.org/legal/epl-v10.html
  //
  //The Apache License v2.0 is available at
  //http://www.apache.org/licenses/LICENSE-2.0.txt
  //
  //You may elect to redistribute this code under either of these licenses. 
  //========================================================================
  
  import java.util.LinkedList;
  
  import org.eclipse.jetty.deploy.App;
  import org.eclipse.jetty.deploy.AppLifeCycle;
  import org.eclipse.jetty.deploy.graph.Node;
  
  /**
   * Provides a way of forcing the ordered execution of bindings within 
   * a declared binding target.
   * 
   */
  public class OrderedGroupBinding implements AppLifeCycle.Binding
  {
      private String[] _bindingTargets;
      
      private LinkedList<AppLifeCycle.Binding> _orderedBindings;
      
      public OrderedGroupBinding( String[] bindingTargets )
      { 
          _bindingTargets = bindingTargets;
      }
      
      public void addBinding(AppLifeCycle.Binding binding)
      {
          if ( _orderedBindings == null )
           {
              _orderedBindings = new LinkedList<AppLifeCycle.Binding>();
           }   
          
          _orderedBindings.add(binding);
      }
      
      public void addBindings(AppLifeCycle.Binding[] bindings)
      {
          if ( _orderedBindings == null )
          {
             _orderedBindings = new LinkedList<AppLifeCycle.Binding>();
          }
          
          for (AppLifeCycle.Binding binding : bindings)
          {
              _orderedBindings.add(binding);
          }
      }
       
      public String[] getBindingTargets()
      {
          return _bindingTargets;
      }
  
      public void processBinding(Node node, App app) throws Exception
      {
          for ( AppLifeCycle.Binding binding : _orderedBindings )
          {
              binding.processBinding(node,app);
          }
      }
  }