src/org/mxchange/jshopcore/model/basket/BaseBasket.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.jshopcore.model.basket;
  18
  19 import java.io.IOException;
  20 import java.io.Serializable;
  21 import java.lang.reflect.InvocationTargetException;
  22 import java.sql.SQLException;
  23 import java.text.MessageFormat;
  24 import java.util.Map;
  25 import org.mxchange.jshopcore.BaseShopCore;
  26 import org.mxchange.jshopcore.model.item.AddableBasketItem;
  27
  28 /**
  29  * A general basket class
  30  *
  31  * @author Roland Haeder
  32  * @param <T> Any instance that implements AddableBasketItem
  33  */
  34 public class BaseBasket<T extends AddableBasketItem> extends BaseShopCore implements Basket<T>, Serializable {
  35         /**
  36          * Serial number
  37          */
  38         private static final long serialVersionUID = 784396762230845717L;
  39
  40         /**
  41          * Protected constructor with session instance
  42          *
  43          * @throws java.sql.SQLException If an SQL error occurs
  44          */
  45         protected BaseBasket () throws SQLException {
  46                 // Trace message
  47                 this.getLogger().trace("CALLED!"); //NOI18N
  48         }
  49
  50         @Override
  51         public void init () throws SQLException {
  52                 // Trace message
  53                 this.getLogger().trace("CALLED!"); //NOI18N
  54
  55                 // Is the bundle initialized?
  56                 if (!BaseShopCore.isBundledInitialized()) {
  57                         // Temporary initialize default bundle
  58                         // TODO The enum Gender uses this
  59                         this.initBundle();
  60                 }
  61         }
  62
  63         @Override
  64         @SuppressWarnings ("unchecked")
  65         public void addItem (final T item) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  66                 // Trace call
  67                 this.getLogger().trace(MessageFormat.format("item={0} - CALLED!", item)); //NOI18N
  68
  69                 // item must not be null
  70                 if (null == item) {
  71                         // Then abort here
  72                         throw new NullPointerException("item is null"); //NOI18N
  73                 } else if (this.isAdded(item)) {
  74                         // Already been added
  75                         throw new IllegalArgumentException("item has already been added. Did you miss to call isAdded()?"); //NOI18N
  76                 }
  77
  78                 // Add item to database
  79                 // TODO: ((BasketFrontend) this.getFrontend()).addItem(item, this.getSessionId());
  80
  81                 // Trace call
  82                 this.getLogger().trace("EXIT!"); //NOI18N
  83         }
  84
  85         @Override
  86         public boolean isEmpty () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  87                 // Deligate call to frontend
  88                 // TODO: return ((BasketFrontend) this.getFrontend()).isEmpty();
  89                 throw new UnsupportedOperationException("Not yet implmeneted.");
  90         }
  91
  92         @Override
  93         @SuppressWarnings("unchecked")
  94         public Map<Long, T> getAll () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  95                 // Trace message
  96                 this.getLogger().trace("CALLED!"); //NOI18N
  97
  98                 // Init map
  99                 // TODO: Map<Long, T> map = ((BasketFrontend) this.getFrontend()).getAll();
 100                 Map<Long, T> map = null;
 101
 102                 // Trace message
 103                 this.getLogger().trace("map=" + map); //NOI18N
 104
 105                 // Return it
 106                 return map;
 107         }
 108
 109         @Override
 110         public AddableBasketItem getLast () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
 111                 // Deligate to frontend
 112                 // TODO: return ((BasketFrontend) this.getFrontend()).getLast();
 113                 throw new UnsupportedOperationException("Not yet implmeneted.");
 114         }
 115
 116         @Override
 117         public int getLastNumRows () {
 118                 // Deligate to frontend
 119                 // TODO: return this.getFrontend().getLastNumRows();
 120                 throw new UnsupportedOperationException("Not yet implmeneted.");
 121         }
 122
 123         @Override
 124         public boolean isAdded (final T item) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
 125                 // Trace call
 126                 this.getLogger().trace(MessageFormat.format("item={0} - CALLED!", item)); //NOI18N
 127
 128                 // item must not be null
 129                 if (null == item) {
 130                         // Then abort here
 131                         throw new NullPointerException("item is null"); //NOI18N
 132                 }
 133
 134                 // Call map's method
 135                 // TODO: boolean isAdded = ((BasketFrontend) this.getFrontend()).isAdded(item, this.getSessionId());
 136                 boolean isAdded = true;
 137
 138                 // Trace message
 139                 this.getLogger().trace(MessageFormat.format("isAdded={0} - EXIT!", isAdded)); //NOI18N
 140
 141                 // Return it
 142                 return isAdded;
 143         }
 144 }