taglibs-rdc/src/main/java/org/apache/taglibs/rdc/CreditCardExpiry.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.taglibs.rdc;

import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;

import org.apache.taglibs.rdc.core.BaseModel;
import org.apache.taglibs.rdc.core.Constants;

/**
 * Datamodel for the credit card expiry date RDC.
 *  
 * @author Rahul Akolkar
 */
public class CreditCardExpiry extends BaseModel {

    // Serial Version UID
    private static final long serialVersionUID = 1L;
    // Error codes, corresponding prompts defined in configuration file
    /**A constant for Error Code stating card has already expired
     * (as of today) */
    public static final int ERR_EXPIRED = 1;
    
    // Maximum number of denials before a graceful exit
    private int maxDenials;
    
    // Number of denials
    private int denialCount;
    
    /**
     * Sets default values for all data members
     */
    public CreditCardExpiry() {
        super();
        this.maxDenials = 2;
        this.denialCount = 0;
    } // end CreditCardExpiry constructor
    
    /**
     * Record user response to confirmation
     *
     * @param confirmed The user confirmation
     */
    public void setConfirmed(Boolean confirmed) {
        super.setConfirmed(confirmed);
        if (!confirmed.booleanValue()) {
            denialCount++;
            if (maxDenials > 0 && denialCount == maxDenials) {
                setState(Constants.FSM_DONE);
            }
        }
    }

    /**
     * Get the maximum denials allowed before graceful exit
     * 
     * @return Returns the maxDenials.
     */
    public int getMaxDenials() {
        return maxDenials;
    }
    /**
     * Set the maximum denials allowed before graceful exit
     * 
     * @param maxDenials The maxDenials to set.
     */
    public void setMaxDenials(int maxDenials) {
        this.maxDenials = maxDenials;
    }
    
    /**
     * Canonicalize
     * 
     * @return The value of date 
     */
    protected Object canonicalize(Object input, boolean isAttribute) {
        if (input == null) {
            return null;
        }
        SimpleDateFormat df = new SimpleDateFormat("MMddyyyy");
        df.setLenient(false);
        return df.parse((String) input, new ParsePosition(0));
    }

    /**
     * Validates the received input against the validation constraints
     *
     * @return True if valid, False if invalid
     */
    protected Boolean validate(Object newValue, boolean setErrorCode) {
        
        Date newDate = (Date) newValue; 
        if (newDate.before(new GregorianCalendar().getTime())) {
            if (setErrorCode) setErrorCode(ERR_EXPIRED);
            return Boolean.FALSE;
        }
        return Boolean.TRUE;
    } // end validate()

} // end class CreditCardExpiry{}

// *** End of CreditCardExpiry.java ***