/*
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
 * language governing rights and limitations under the License.
 * 
 * The Original Code is the Venice Web Communities System.
 * 
 * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
 * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */
package com.silverwrist.venice.svc;

import java.util.*;
import com.silverwrist.venice.security.SecurityMonitor;

public final class SecurityMonitorEnvironment
{
  /*--------------------------------------------------------------------------------
   * Attributes
   *--------------------------------------------------------------------------------
   */

  private HashMap map = new HashMap();
  private SecurityMonitor root = null;

  /*--------------------------------------------------------------------------------
   * Constructor
   *--------------------------------------------------------------------------------
   */

  public SecurityMonitorEnvironment()
  { // do nothing
  } // end constructor

  /*--------------------------------------------------------------------------------
   * External operations
   *--------------------------------------------------------------------------------
   */

  public final boolean isMonitorDefined(String id)
  {
    return map.containsKey(id);

  } // end isMonitorDefined

  public final boolean isRootMonitorDefined()
  {
    return (root!=null);

  } // end isRootMonitorDefined

  public final SecurityMonitor getMonitor(String id)
  {
    return (SecurityMonitor)(map.get(id));

  } // end getMonitor

  public final void storeMonitor(SecurityMonitor sm, boolean set_root)
  {
    if (map.put(sm.getID(),sm)!=null)
      throw new RuntimeException("SecurityMonitorEnvironment: double monitor defininition!");
    if (set_root)
    { // set the root monitor as well
      if (root==null)
	root = sm;
      else
	throw new RuntimeException("SecurityMonitorEnvironment: double root definition!");

    } // end if

  } // end storeMonitor

  public final void shutdown()
  {
    map.clear();
    map = null;
    root = null;

  } // end shutdown

} // end class SecurityMonitorEnvironment