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.idc.cmd;
  
  import java.util.concurrent.Callable;
  
  import at.o2xfs.log.Logger;
  import at.o2xfs.log.LoggerFactory;
  import at.o2xfs.xfs.WFSResult;
  import at.o2xfs.xfs.XfsException;
  import at.o2xfs.xfs.idc.IdcExecuteCommand;
  import at.o2xfs.xfs.v3_00.idc.RetainCard3;
  import at.o2xfs.xfs.service.XfsServiceManager;
  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.idc.IDCService;
  
  public class RetainCardCallable implements Callable<RetainCard3>, XfsEventNotification {
  
  	private static final Logger LOG = LoggerFactory.getLogger(RetainCardCallable.class);
  
  	private XfsCommand retainCardCommand = null;
  
  	private WFSResult wfsResult = null;
  
  	public RetainCardCallable(final IDCService cardReader) {
  		if (cardReader == null) {
  			throw new IllegalArgumentException("cardReader must not be null");
  		}
  		retainCardCommand = new XfsExecuteCommand<>(cardReader, IdcExecuteCommand.RETAIN_CARD);
  	}
  
  	@Override
  	public RetainCard3 call() throws InterruptedException, XfsException {
  		final String method = "call()";
  		synchronized (this) {
  			retainCardCommand.execute(this);
  			while (wfsResult == null) {
  				if (LOG.isDebugEnabled()) {
  					LOG.debug(method, "Waiting ...");
  				}
  				wait();
  			}
  		}
  		try {
  			XfsException.throwFor(wfsResult.getResult());
  			final RetainCard3 retainCard = new RetainCard3(wfsResult.getResults());
  			return new RetainCard3(retainCard);
  		} finally {
  			XfsServiceManager.getInstance().free(wfsResult);
  			wfsResult = null;
  		}
  	}
  
  	public void cancel() throws XfsException {
  		retainCardCommand.cancel();
  	}
  
  	@Override
  	public void fireIntermediateEvent(final WFSResult wfsResult) {
  		try {
  			if (LOG.isDebugEnabled()) {
  				final String method = "fireIntermediateEvent(WFSResult)";
  				LOG.debug(method, "Intermediate event: " + wfsResult);
  			}
  		} finally {
  			if (wfsResult != null) {
  				XfsServiceManager.getInstance().free(wfsResult);
  			}
  		}
  	}
  
  	@Override
  	public void fireOperationCompleteEvent(final WFSResult wfsResult) {
  		final String method = "fireOperationCompleteEvent(WFSResult)";
  		if (LOG.isDebugEnabled()) {
  			LOG.debug(method, "wfsResult=" + wfsResult);
  		}
  		final IdcExecuteCommand commandCode = wfsResult.getCommandCode(IdcExecuteCommand.class);
  		if (IdcExecuteCommand.RETAIN_CARD.equals(commandCode)) {
  			synchronized (this) {
  				this.wfsResult = wfsResult;
  				notifyAll();
  			}
  		} else {
  			if (LOG.isErrorEnabled()) {
  				LOG.error(method, "Unknown operation complete event: " + wfsResult);
  			}
  			XfsServiceManager.getInstance().free(wfsResult);
  		}
  	}
  
  }
  