content: /*
   * Copyright (c) 2017, Andreas Fagschlunger. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *   - Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *
   *   - Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package at.o2xfs.xfs.service.cam;
  
  import at.o2xfs.common.Assert;
  import at.o2xfs.log.Logger;
  import at.o2xfs.log.LoggerFactory;
  import at.o2xfs.win32.Pointer;
  import at.o2xfs.xfs.WFSResult;
  import at.o2xfs.xfs.cam.CamEventId;
  import at.o2xfs.xfs.cam.CamExecuteCommand;
  import at.o2xfs.xfs.cam.Takepict;
  import at.o2xfs.xfs.service.EmptyCompleteEvent;
  import at.o2xfs.xfs.service.XfsServiceManager;
  import at.o2xfs.xfs.service.cmd.AbstractAsyncXfsCommand;
  import at.o2xfs.xfs.service.cmd.XfsCommand;
  import at.o2xfs.xfs.service.cmd.XfsExecuteCommand;
  
  public class TakePictureCommand
  		extends AbstractAsyncXfsCommand<TakePictureListener, EmptyCompleteEvent> {
  
  	private static final Logger LOG = LoggerFactory.getLogger(TakePictureCommand.class);
  
  	final CamService service;
  	final Takepict takepict;
  
  	public TakePictureCommand(CamService service, Takepict takepict) {
  		Assert.notNull(service);
  		this.service = service;
  		this.takepict = takepict;
  	}
  
  	@Override
  	protected XfsCommand createCommand() {
  		return new XfsExecuteCommand<CamExecuteCommand>(service, CamExecuteCommand.TAKE_PICTURE, takepict);
  	}
  
  	@Override
  	public void fireIntermediateEvent(WFSResult wfsResult) {
  		final String method = "fireIntermediateEvent(WFSResult)";
  		try {
  			CamEventId eventId = wfsResult.getEventID(CamEventId.class);
  			switch (eventId) {
  				case INVALIDDATA:
  					notifyInvalidData();
  					break;
  				default:
  					LOG.error(method, "Illegal CamEventId: " + eventId);
  			}
  		} finally {
  			XfsServiceManager.getInstance().free(wfsResult);
  		}
  	}
  
  	private void notifyInvalidData() {
  		final String method = "notifyInvalidData()";
  		if (LOG.isInfoEnabled()) {
  			LOG.info(method, Integer.valueOf(listeners.size()));
  		}
  		for (TakePictureListener l : listeners) {
  			l.onInvalidData();
  		}
  	}
  
  	@Override
  	protected EmptyCompleteEvent createCompleteEvent(Pointer results) {
  		return new EmptyCompleteEvent();
  	}
  }