src/java/org/mxchange/jfinancials/converter/financial/receipt_item/FinancialsReceiptItemConverter.java

   1 /*
   2  * Copyright (C) 2016 - 2022 Free Software Foundation
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (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 Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jfinancials.converter.financial.receipt_item;
  18
  19 import javax.enterprise.inject.spi.CDI;
  20 import javax.faces.component.UIComponent;
  21 import javax.faces.context.FacesContext;
  22 import javax.faces.convert.Converter;
  23 import javax.faces.convert.ConverterException;
  24 import javax.faces.convert.FacesConverter;
  25 import org.mxchange.jfinancials.beans.financial.model.receipt_item.list.FinancialsReceiptItemListWebViewBean;
  26 import org.mxchange.jfinancials.beans.financial.model.receipt_item.list.FinancialsReceiptItemListWebViewController;
  27 import org.mxchange.jfinancials.exceptions.receipt_item.ReceiptItemNotFoundException;
  28 import org.mxchange.jfinancials.model.receipt_item.BillableReceiptItem;
  29
  30 /**
  31  * Converter for receipt item id <-> valid receipt item instance
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @FacesConverter ("ReceiptItemConverter")
  36 public class FinancialsReceiptItemConverter implements Converter<BillableReceiptItem> {
  37
  38         /**
  39          * Receipt backing bean
  40          */
  41         private static FinancialsReceiptItemListWebViewController RECEIPT_ITEM_LIST_CONTROLLER;
  42
  43         @Override
  44         public BillableReceiptItem getAsObject (final FacesContext context, final UIComponent component, final String submittedValue) {
  45                 // Is the value null or empty?
  46                 if ((null == submittedValue) || (submittedValue.trim().isEmpty())) {
  47                         // Warning message
  48                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logWarning(MessageFormat.format("{0}.getAsObject(): submittedValue is null or empty - EXIT!", this.getClass().getSimpleName())); //NOI18N
  49
  50                         // Return null
  51                         return null;
  52                 }
  53
  54                 // Init instance
  55                 BillableReceiptItem receiptItem = null;
  56
  57                 // Is the instance there?
  58                 if (null == RECEIPT_ITEM_LIST_CONTROLLER) {
  59                         // Get bean from CDI directly
  60                         RECEIPT_ITEM_LIST_CONTROLLER = CDI.current().select(FinancialsReceiptItemListWebViewBean.class).get();
  61                 }
  62
  63                 try {
  64                         // Try to parse the value as long
  65                         final Long receiptItemId = Long.valueOf(submittedValue);
  66
  67                         // Try to get user instance from it
  68                         receiptItem = RECEIPT_ITEM_LIST_CONTROLLER.findReceiptItemById(receiptItemId);
  69                 } catch (final NumberFormatException ex) {
  70                         // Throw again
  71                         throw new ConverterException(ex);
  72                 } catch (final ReceiptItemNotFoundException ex) {
  73                         // Debug message
  74                         // @TODO Not working with JNDI (no remote interface) this.loggerBeanLocal.logDebug(MessageFormat.format("getAsObject: Exception: {0} - Returning null ...", ex)); //NOI18N
  75                 }
  76
  77                 // Return it
  78                 return receiptItem;
  79         }
  80
  81         @Override
  82         public String getAsString (final FacesContext context, final UIComponent component, final BillableReceiptItem value) {
  83                 // Is the object null?
  84                 if ((null == value) || (String.valueOf(value).isEmpty())) {
  85                         // Is null
  86                         return ""; //NOI18N
  87                 }
  88
  89                 // Return id number
  90                 return String.valueOf(value.getItemId());
  91         }
  92
  93 }