org.apache.myfaces.custom.creditcardvalidator.AbstractCreditCardValidator Maven / Gradle / Ivy

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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.
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/*
 * 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.myfaces.custom.creditcardvalidator;

import org.apache.myfaces.validator.ValidatorBase;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;

/**
 * A custom validator for creditCards, based upon Jakarta Commons. 
 * 
 * Unless otherwise specified, all attributes accept static values or EL expressions
 * 
 * @JSFValidator
 *   name = "t:validateCreditCard"
 *   class = "org.apache.myfaces.custom.creditcardvalidator.CreditCardValidator"
 *   bodyContent = "empty"
 *   tagClass = "org.apache.myfaces.custom.creditcardvalidator.ValidateCreditCardTag"
 *   serialuidtag = "3810660506302799072L"
 *   
 * @since 1.1.7
 * @deprecated use myfaces commons mcv:validateCreditCard instead
 * @author mwessendorf (latest modification by $Author: lu4242 $)
 * @version $Revision: 691856 $ $Date: 2008-09-03 21:40:30 -0500 (Wed, 03 Sep 2008) $
 */
public abstract class AbstractCreditCardValidator extends ValidatorBase {

    /**
     * The standard converter id for this converter.
     */
    public static final String     VALIDATOR_ID        = "org.apache.myfaces.validator.CreditCard";

    /**
     * The message identifier of the {@link FacesMessage} to be created if
     * the creditcard check fails.
     */
    public static final String CREDITCARD_MESSAGE_ID = "org.apache.myfaces.Creditcard.INVALID";

    public AbstractCreditCardValidator(){
    }

    //Field, to init the desired Validator
    private int _initSum = 0;

    private org.apache.commons.validator.CreditCardValidator creditCardValidator = null;

    /**
     *
     */
    public void validate(
        FacesContext facesContext,
        UIComponent uiComponent,
        Object value)
        throws ValidatorException {

            if (facesContext == null) throw new NullPointerException("facesContext");
            if (uiComponent == null) throw new NullPointerException("uiComponent");

            if (value == null)
            {
                return;
            }
        initValidator();
        if (!this.creditCardValidator.isValid(value.toString())){
            Object[] args = {value.toString()};
            throw new ValidatorException(getFacesMessage(CREDITCARD_MESSAGE_ID, args));
        }
    }


    // -------------------------------------------------------- Private Methods

    /**
     * initializes the desired validator.
     */

    private void initValidator() {
        if(isNone()){
            //no cardtypes are allowed
            creditCardValidator = new org.apache.commons.validator.CreditCardValidator(org.apache.commons.validator.CreditCardValidator.NONE);
        }
        else{
            computeValidators();
            creditCardValidator = new org.apache.commons.validator.CreditCardValidator(_initSum);
        }
    }

    /**
     * private methode, that counts the desired creditCards
     */
    private void computeValidators(){
        if(isAmex()){
            this._initSum= org.apache.commons.validator.CreditCardValidator.AMEX + _initSum;
        }
        if(isVisa()){
            this._initSum= org.apache.commons.validator.CreditCardValidator.VISA+ _initSum;
        }
        if(isMastercard()){
            this._initSum= org.apache.commons.validator.CreditCardValidator.MASTERCARD+ _initSum;
        }
        if(isDiscover()){
            this._initSum= org.apache.commons.validator.CreditCardValidator.DISCOVER+ _initSum;
        }
    }

    //GETTER & SETTER
    
    /**
     * american express cards
     * 
     * @JSFProperty
     *   defaultValue = "true"
     */
    public abstract boolean isAmex();

    /**
     * validation for discover
     * 
     * @JSFProperty
     *   defaultValue = "true"
     */
    public abstract boolean isDiscover();

    /**
     * validation for mastercard
     * 
     * @JSFProperty
     *   defaultValue = "true"
     */
    public abstract boolean isMastercard();

    /**
     * none of the given cardtypes is allowed.
     * 
     * @JSFProperty
     *   defaultValue = "false"
     */
    public abstract boolean isNone();

    /**
     * validation for visa
     * 
     * @JSFProperty
     *   defaultValue = "true"
     */
    public abstract boolean isVisa();

    public abstract void setAmex(boolean b);

    public abstract void setDiscover(boolean b);

    public abstract void setMastercard(boolean b);

    public abstract void setNone(boolean b);

    public abstract void setVisa(boolean b);

}