src/org/mxchange/addressbook/validator/addressbook/AddressbookIdValidator.java

   1 /*
   2  * Copyright (C) 2015 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.addressbook.validator.addressbook;
  18
  19 import java.text.MessageFormat;
  20 import javax.ejb.EJB;
  21 import javax.faces.application.FacesMessage;
  22 import javax.faces.component.UIComponent;
  23 import javax.faces.context.FacesContext;
  24 import javax.faces.validator.FacesValidator;
  25 import javax.faces.validator.ValidatorException;
  26 import org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote;
  27 import org.mxchange.jcoreee.validator.number.BaseLongValidator;
  28
  29 /**
  30  * A validator for address book id verification
  31  * <p>
  32  * @author Roland Haeder
  33  */
  34 @FacesValidator (value = "AddressbookIdValidator")
  35 public class AddressbookIdValidator extends BaseLongValidator {
  36
  37         /**
  38          * Serial number
  39          */
  40         private static final long serialVersionUID = 158_768_467_186_951_809L;
  41
  42         /**
  43          * Remote bean
  44          */
  45         @EJB (mappedName = "ejb/stateless-addressbook")
  46         private AddressbookSessionBeanRemote addressbookBean;
  47
  48         @Override
  49         public void validate (final FacesContext context, final UIComponent component, final Object value) throws ValidatorException {
  50                 // Trace message
  51                 //this.getLogger().logTrace(MessageFormat.format("validate: context={0},component={1},value={2} - CALLED!", context, component, value)); //NOI18N
  52
  53                 // All accepted, required fields
  54                 String[] requiredFileds = {"addressbookId"}; //NOI18N
  55
  56                 // Pre-validation (example: not null, not a string, empty string ...)
  57                 super.preValidate(context, component, value, requiredFileds, false);
  58
  59                 // Is the address book id valid?
  60                 if (!this.addressbookBean.isAddressbookIdUsed((Long) value)) {
  61                         // Is not valid
  62                         throw new ValidatorException(new FacesMessage(MessageFormat.format("No address book found with id {0}. Please check your link.", value))); //NOI18N
  63                 }
  64
  65                 // Trace message
  66                 //this.getLogger().logTrace("validate: EXIT!"); //NOI18N
  67         }
  68 }