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.emv.cvm.impl;
  
  import java.util.Arrays;
  
  import at.o2xfs.common.Hex;
  import at.o2xfs.emv.EMVTag;
  import at.o2xfs.emv.EMVTransaction;
  import at.o2xfs.emv.Terminal;
  import at.o2xfs.emv.TerminalType;
  import at.o2xfs.emv.cvm.CVMCondition;
  import at.o2xfs.emv.cvm.ConditionData;
  
  /**
   * "If manual cash" applies to cash transactions at attended financial
   * institution or merchant devices.
   *
   * @author Andreas Fagschlunger
   */
  public class ManualCashCondition implements CVMCondition {
  
  	/**
  	 * Cash (Manual)
  	 */
  	private static final byte[] MANUAL_CASH = Hex.decode("12");
  
  	@Override
  	public boolean isSatisfied(ConditionData conditionData) {
  		EMVTransaction emvTransaction = conditionData.getTransaction();
  		Terminal terminal = emvTransaction.getTerminal();
  		TerminalType terminalType = terminal.getTerminalType();
  		if (terminalType.isAttended()) {
  			if (terminalType.isFinancialInstitution()
  					|| terminalType.isMerchant()) {
  				byte[] transactionType = emvTransaction
  						.getMandatoryData(EMVTag.TRANSACTION_TYPE);
  				return Arrays.equals(transactionType, MANUAL_CASH);
  			}
  		}
  		return false;
  	}
  
  }