/*
    * 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.commons.validator;
  
  import javax.faces.application.FacesMessage;
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.faces.validator.ValidatorException;
  
  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFProperty;
  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFValidator;
  
  /**
   * A custom validator for creditCards, based upon Jakarta Commons. 
   * 
   * Unless otherwise specified, all attributes accept static values or EL expressions
   * 
   * @author mwessendorf (latest modification by $Author: lu4242 $)
   * @version $Revision: 1021620 $ $Date: 2010-10-11 23:09:48 -0500 (Mon, 11 Oct 2010) $
   */
  @JSFValidator(
     name = "mcv:validateCreditCard",
     clazz = "org.apache.myfaces.commons.validator.CreditCardValidator",
     bodyContent = "empty",
     tagClass = "org.apache.myfaces.commons.validator.ValidateCreditCardTag",
     serialuidtag = "3810660506302799072L")
  public abstract class AbstractCreditCardValidator extends ValidatorBase {
  
      /**
       * <p>The standard converter id for this converter.</p>
       */
      public static final String     VALIDATOR_ID        = "org.apache.myfaces.commons.validator.CreditCard";
  
      /**
       * <p>The message identifier of the {@link FacesMessage} to be created if
       * the creditcard check fails.</p>
       */
      public static final String CREDITCARD_MESSAGE_ID = "org.apache.myfaces.commons.validator.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
  
      /**
       * <p>initializes the desired validator.</p>
       */
  
      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);
 
 }