/*
 * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Sam
 */

package com.caucho.netbeans;

import javax.enterprise.deploy.spi.TargetModuleID;
import javax.enterprise.deploy.spi.status.DeploymentStatus;
import javax.enterprise.deploy.spi.status.ProgressEvent;
import javax.enterprise.deploy.spi.status.ProgressListener;
import java.util.ArrayList;

public class ProgressEventSupport
{
  private final Object _eventSource;

  private final ArrayList<ProgressListener> _listeners
    = new ArrayList<ProgressListener>();

  private volatile DeploymentStatus _status;


  public ProgressEventSupport(Object eventSource)
  {
    _eventSource = eventSource;
  }

  public synchronized void addProgressListener(ProgressListener progressListener)
  {
    synchronized (_listeners) {
      _listeners.add(progressListener);
    }
  }

  public synchronized void removeProgressListener(ProgressListener progressListener)
  {
    synchronized (_listeners) {
      _listeners.remove(progressListener);
    }
  }

  public void fireProgressEvent(TargetModuleID targetModuleID,
                                DeploymentStatus status)
  {
    ArrayList<ProgressListener> listeners = new ArrayList<ProgressListener>();

    synchronized (_listeners) {
      listeners.addAll(_listeners);
    }

    _status = status;

    ProgressEvent event
      = new ProgressEvent(_eventSource, targetModuleID, status);

    for (ProgressListener progressListener : listeners)
      progressListener.handleProgressEvent(event);
  }

  public DeploymentStatus getDeploymentStatus()
  {
    return _status;
  }
}