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.pin.cmd;
  
  import at.o2xfs.log.Logger;
  import at.o2xfs.log.LoggerFactory;
  import at.o2xfs.xfs.WFSResult;
  import at.o2xfs.xfs.XfsAPI;
  import at.o2xfs.xfs.XfsCancelledException;
  import at.o2xfs.xfs.XfsException;
  import at.o2xfs.xfs.pin.PINExecuteCommand;
  import at.o2xfs.xfs.pin.PINMessage;
  import at.o2xfs.xfs.pin.WfsPINData;
  import at.o2xfs.xfs.pin.WfsPINGetData;
  import at.o2xfs.xfs.pin.WfsPINKey;
  import at.o2xfs.xfs.service.XfsServiceManager;
  import at.o2xfs.xfs.service.cmd.AbstractAsyncCommand;
  import at.o2xfs.xfs.service.cmd.XfsCommand;
  import at.o2xfs.xfs.service.cmd.XfsExecuteCommand;
  import at.o2xfs.xfs.service.events.XfsEventNotification;
  import at.o2xfs.xfs.service.pin.PINService;
  
  public class PINGetDataCommand extends AbstractAsyncCommand<PINDataListener>
  		implements XfsEventNotification {
  
  	private final static Logger LOG = LoggerFactory
  			.getLogger(PINGetDataCommand.class);
  
  	private final PINService pinService;
  
  	private final WfsPINGetData pinGetData;
  
  	private XfsCommand xfsCommand = null;
  
  	public PINGetDataCommand(final PINService pinService,
  			WfsPINGetData pinGetData) {
  		this.pinService = pinService;
  		this.pinGetData = pinGetData;
  	}
  
  	private void notifyKeyPressed(final WfsPINKey pinKey) {
  		for (final PINDataListener listener : commandListeners) {
  			listener.keyPressed(new WfsPINKey(pinKey));
  		}
  	}
  
  	@Override
  	protected void doExecute() {
  		final String method = "doExecute()";
  		try {
  			synchronized (this) {
  				xfsCommand = new XfsExecuteCommand(pinService,
  						PINExecuteCommand.GET_DATA, pinGetData,
  						Long.valueOf(XfsAPI.WFS_INDEFINITE_WAIT));
  				xfsCommand.execute(this);
  			}
  		} catch (XfsException e) {
  			if (LOG.isErrorEnabled()) {
  				LOG.error(method, "Error executing XfsCommand: " + xfsCommand,
  						e);
  			}
  			notifyCommandFailed(e);
  		}
  	}
  
  	@Override
  	public void cancel() {
  		final String method = "cancel()";
  		synchronized (this) {
  			if (xfsCommand != null) {
  				try {
  					xfsCommand.cancel();
  				} catch (XfsException e) {
  					if (LOG.isErrorEnabled()) {
  						LOG.error(method, "Error cancelling XfsCommand: "
  								+ xfsCommand, e);
  					}
  				}
  			}
  		}
  
  	}
  
  	@Override
  	public void fireIntermediateEvent(final WFSResult wfsResult) {
  		final String method = "fireIntermediateEvent(WFSResult)";
  		try {
  			if (LOG.isDebugEnabled()) {
  				LOG.debug(method, "wfsResult=" + wfsResult);
  			}
  			final PINMessage pinMessage = wfsResult
  					.getEventID(PINMessage.class);
  			switch (pinMessage) {
  				case WFS_EXEE_PIN_KEY:
  					final WfsPINKey pinKey = new WfsPINKey(
  							wfsResult.getResults());
  					if (LOG.isInfoEnabled()) {
  						LOG.info(method, "pinKey=" + pinKey);
  					}
  					notifyKeyPressed(pinKey);
  					break;
  			}
  		} finally {
  			XfsServiceManager.getInstance().free(wfsResult);
  		}
  	}
  
  	@Override
  	public void fireOperationCompleteEvent(final WFSResult wfsResult) {
  		final String method = "fireOperationCompleteEvent(WFSResult)";
  		try {
  			if (LOG.isDebugEnabled()) {
  				LOG.debug(method, "wfsResult=" + wfsResult);
  			}
  			try {
  				XfsException.throwFor(wfsResult.getResult());
  				final WfsPINData pinData = new WfsPINData(
  						pinService.getXfsVersion(), wfsResult.getResults());
  				if (LOG.isInfoEnabled()) {
  					LOG.info(method, "pinData=" + pinData);
  				}
  				notifyCommandSuccessful();
  			} catch (XfsCancelledException e) {
  				if (LOG.isInfoEnabled()) {
  					LOG.info(method, "XfsCommand was cancelled", e);
  				}
  				notifyCommandCancelled();
  			} catch (XfsException e) {
  				if (LOG.isErrorEnabled()) {
  					LOG.error(method, "Command failed", e);
  				}
  				notifyCommandFailed(e);
  			}
  		} finally {
  			XfsServiceManager.getInstance().free(wfsResult);
  		}
  	}
  }