src/java/org/mxchange/pizzaapplication/beans/features/PizzaFeatureWebApplicationBean.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.pizzaapplication.beans.features;
  18
  19 import javax.enterprise.context.ApplicationScoped;
  20 import javax.inject.Named;
  21 import org.mxchange.pizzaapplication.beans.BasePizzaBean;
  22
  23 /**
  24  * A feature bean
  25  * <p>
  26  * @author Roland Häder<roland@mxchange.org>
  27  */
  28 @Named ("featureController")
  29 @ApplicationScoped
  30 public class PizzaFeatureWebApplicationBean extends BasePizzaBean implements PizzaFeaturesWebApplicationController {
  31
  32         /**
  33          * Serial number
  34          */
  35         private static final long serialVersionUID = 64_237_512_690_168_674L;
  36
  37         /**
  38          * Default constructor
  39          */
  40         public PizzaFeatureWebApplicationBean () {
  41                 // Call super constructor
  42                 super();
  43         }
  44
  45         @Override
  46         public boolean isFeatureEnabled (final String feature) {
  47                 // The parameter must be set
  48                 if (null == feature) {
  49                         // Throw NPE
  50                         throw new NullPointerException("feature is null"); //NOI18N
  51                 } else if (feature.isEmpty()) {
  52                         // Is empty
  53                         throw new IllegalArgumentException("feature is empty"); //NOI18N
  54                 }
  55
  56                 // Get value from property
  57                 final String contextParameter = this.getStringContextParameter(String.format("is_feature_%s_enabled", feature)); //NOI18N
  58
  59                 // Default is not enabled
  60                 final boolean isEnabled = (Boolean.parseBoolean(contextParameter) == Boolean.TRUE);
  61
  62                 // Return status
  63                 return isEnabled;
  64         }
  65
  66 }