src/org/mxchange/pizzaapplication/application/PizzaServiceApplication.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.pizzaapplication.application;
  18
  19 import java.io.IOException;
  20 import java.lang.reflect.InvocationTargetException;
  21 import java.sql.SQLException;
  22 import java.text.MessageFormat;
  23 import java.util.Deque;
  24 import java.util.Iterator;
  25 import org.mxchange.jcore.BaseFrameworkSystem;
  26 import org.mxchange.jshopcore.exceptions.CategoryTitleAlreadyUsedException;
  27 import org.mxchange.jshopcore.exceptions.ProductTitleAlreadyUsedException;
  28 import org.mxchange.jshopcore.model.category.Category;
  29 import org.mxchange.jshopcore.model.product.Product;
  30
  31 /**
  32  * Main application class
  33  *
  34  * @author Roland Haeder
  35  */
  36 public class PizzaServiceApplication extends BaseFrameworkSystem implements PizzaApplication {
  37         /**
  38          * Default constructor
  39          */
  40         public PizzaServiceApplication () {
  41                 // Trace message
  42                 this.getLogger().trace("CALLED!"); //NOI18N
  43         }
  44
  45         @Override
  46         public Deque<Category> getAllCategories () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  47                 // Deligate to frontend
  48                 return this.categoryFrontend.getAllCategories();
  49         }
  50
  51         @Override
  52         public Deque<Product> getAllProducts () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  53                 // Deligate to frontend
  54                 return this.productFrontend.getAllProducts();
  55         }
  56
  57         @Override
  58         public Deque<Product> getAvailableProducts () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  59                 // Deligate to frontend
  60                 return this.productFrontend.getAllAvailableProducts();
  61         }
  62
  63         @Override
  64         public void init () throws SQLException {
  65                 // Trace message
  66                 this.getLogger().trace("CALLED!"); //NOI18N
  67
  68                 // Is the bundle initialized?
  69                 if (!BaseFrameworkSystem.isBundledInitialized()) {
  70                         // Temporary initialize default bundle
  71                         // TODO The enum Gender uses this
  72                         this.initBundle();
  73                 }
  74
  75                 // Trace message
  76                 this.getLogger().trace("EXIT!"); //NOI18N
  77         }
  78
  79         @Override
  80         public void doBootstrap () {
  81                 throw new UnsupportedOperationException("Not supported yet."); //NOI18N
  82         }
  83
  84         @Override
  85         public void doMainLoop () {
  86                 throw new UnsupportedOperationException("Not supported yet."); //NOI18N
  87         }
  88
  89         @Override
  90         public void doShutdown () {
  91                 throw new UnsupportedOperationException("Not supported yet."); //NOI18N
  92         }
  93
  94         @Override
  95         @SuppressWarnings ("unchecked")
  96         public Iterator<Product> getAvailableProductsIterator () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  97                 // Trace message
  98                 this.getLogger().trace("CALLED!"); //NOI18N
  99
 100                 // Ask frontend for a list of products
 101                 return this.productFrontend.getAvailableProductsIterator();
 102         }
 103
 104         @Override
 105         @SuppressWarnings ("unchecked")
 106         public Iterator<Product> getAllProductsIterator () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
 107                 // Trace message
 108                 this.getLogger().trace("CALLED!"); //NOI18N
 109
 110                 // Ask frontend for a list of products
 111                 return this.productFrontend.getAllProductsIterator();
 112         }
 113
 114         @Override
 115         @SuppressWarnings ("unchecked")
 116         public Iterator<Category> getAllCategoriesIterator () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
 117                 // Trace message
 118                 this.getLogger().trace("CALLED!"); //NOI18N
 119
 120                 // Ask frontend for a list of categories
 121                 return this.categoryFrontend.getAllCategoriesIterator();
 122         }
 123
 124         /**
 125          * Checks whether given category title is already used
 126          *
 127          * @param title Title of category to check
 128          * @return Whether it has been found
 129          */
 130         private boolean isCategoryTitleUsed(final String title) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 131                 // Trace message
 132                 this.getLogger().trace("title=" + title + " - CALLED!"); //NOI18N
 133
 134                 // Delegate to frontend
 135                 return this.categoryFrontend.isCategoryTitleUsed(title);
 136         }
 137
 138         @Override
 139         public void doAdminAddCategory (final Category category) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, CategoryTitleAlreadyUsedException {
 140                 // Trace message
 141                 this.getLogger().trace(MessageFormat.format("category={0} - CALLED!", category)); //NOI18N
 142
 143                 // category must not be null
 144                 if (null == category) {
 145                         // Is null
 146                         throw new NullPointerException("category is null"); //NOI18N
 147                 }
 148
 149                 // Get all fields
 150                 String title = category.getTitle();
 151                 Long parentId = category.getParentId();
 152
 153                 // Debug message
 154                 this.getLogger().debug(MessageFormat.format("title={0},parentId={1}", title, parentId)); //NOI18N
 155
 156                 // Init variables for casting
 157                 Integer id = 0;
 158
 159                 // Check all fields
 160                 if (null == title) {
 161                         // "title" not set
 162                         throw new IllegalArgumentException("title is not set."); //NOI18N
 163                 } else if (title.isEmpty()) {
 164                         // Is left empty
 165                         throw new IllegalArgumentException("title is empty."); //NOI18N
 166                 } else if ((parentId == null) || (parentId == 0)) {
 167                         // Is left empty
 168                         throw new IllegalArgumentException("parentId is empty."); //NOI18N
 169                 }
 170
 171                 // Try to check if title is used already
 172                 if (this.isCategoryTitleUsed(title)) {
 173                         // Title already used
 174                         throw new CategoryTitleAlreadyUsedException(category);
 175                 }
 176
 177                 // The category is not found, so add it to database
 178                 this.categoryFrontend.addCategory(title, id);
 179
 180                 // Trace message
 181                 this.getLogger().trace("EXIT!"); //NOI18N
 182         }
 183
 184         @Override
 185         public void doAdminAddProduct (final Product product) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, ProductTitleAlreadyUsedException {
 186                 // Trace message
 187                 this.getLogger().trace(MessageFormat.format("product={0} - CALLED!", product)); //NOI18N
 188
 189                 // product must not be null
 190                 if (null == product) {
 191                         // Is null
 192                         throw new NullPointerException("product is null"); //NOI18N
 193                 }
 194
 195                 // Get title, price and category id
 196                 String title = product.getTitle();
 197                 Float price = product.getPrice();
 198                 Long categoryId = product.getCategoryId();
 199                 Boolean available = product.getAvailable();
 200
 201                 // Debug message
 202                 this.getLogger().debug(MessageFormat.format("title={0},price={1},categoryId={2},available={3}", title, price, categoryId, available)); //NOI18N
 203
 204                 // Check all fields
 205                 if (null == title) {
 206                         // "title" not set
 207                         throw new IllegalArgumentException("product title is not set"); //NOI18N
 208                 } else if (title.isEmpty()) {
 209                         // Is left empty
 210                         throw new IllegalArgumentException("product title is empty"); //NOI18N
 211                 } else if (null == price) {
 212                         // "price" not set
 213                         throw new IllegalArgumentException("product price is not set."); //NOI18N
 214                 } else if (null == categoryId) {
 215                         // "title" not set
 216                         throw new IllegalArgumentException("product category id is not set."); //NOI18N
 217                 } else if (categoryId == 0) {
 218                         // "title" not set
 219                         throw new IllegalArgumentException("product category id is zero."); //NOI18N
 220                 } else if (null == available) {
 221                         // "title" not set
 222                         throw new IllegalArgumentException("product availability not set."); //NOI18N
 223                 }
 224
 225                 // Try to check if title is used already
 226                 if (this.isProductTitleUsed(product)) {
 227                         // Title already used
 228                         throw new ProductTitleAlreadyUsedException(product);
 229                 }
 230
 231                 // The product is not found, so add it to database
 232                 this.productFrontend.addProduct(title, price, categoryId, available);
 233
 234                 // Trace message
 235                 this.getLogger().trace("EXIT!"); //NOI18N
 236         }
 237
 238         /**
 239          * Checks if product's title is already used.
 240          *
 241          * @param product Product instance
 242          * @return Whether the product title is already used
 243          * @throws java.io.IOException If any IO error occurs
 244          * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found in a file-based database backend's file ... ;-)
 245          * @throws java.sql.SQLException If any SQL error occurs
 246          * @throws org.mxchange.jcore.exceptions.CorruptedDatabaseFileException If the database file is damaged
 247          * @throws java.lang.NoSuchMethodException If a method was not found
 248          * @throws java.lang.IllegalAccessException If the method cannot be accessed
 249          * @throws java.lang.reflect.InvocationTargetException Any other problems?
 250          */
 251         private boolean isProductTitleUsed (final Product product) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 252                 // Trace message
 253                 this.getLogger().trace(MessageFormat.format("category={0} - CALLED!", product)); //NOI18N
 254
 255                 // Init title
 256                 String title = product.getTitle();
 257
 258                 // category must not be null and "title" must be found and non-empty
 259                 if (null == product) {
 260                         // Abort here
 261                         throw new NullPointerException("category is null"); //NOI18N
 262                 } else if (null == title) {
 263                         // title is not set
 264                         throw new IllegalArgumentException("product title is not set"); //NOI18N
 265                 } else if (title.isEmpty()) {
 266                         // Is left empty
 267                         throw new IllegalArgumentException("product title is empty"); //NOI18N
 268                 }
 269
 270                 // Default is not used
 271                 // TODO Call backend
 272                 throw new UnsupportedOperationException("not finished yet.");
 273
 274                 // Trace message
 275                 //this.getLogger().trace(MessageFormat.format("isUsed={0} - EXIT!", isUsed)); //NOI18N
 276
 277                 // Return it
 278                 //return isUsed;
 279         }
 280
 281         /**
 282          * Checks if category's title is already used.
 283          *
 284          * @param category Category instance
 285          * @return Whether the product title is already used
 286          * @throws java.io.IOException If any IO error occurs
 287          * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found in a file-based database backend's file ... ;-)
 288          * @throws java.sql.SQLException If any SQL error occurs
 289          * @throws org.mxchange.jcore.exceptions.CorruptedDatabaseFileException If the database file is damaged
 290          * @throws java.lang.NoSuchMethodException If a method was not found
 291          * @throws java.lang.IllegalAccessException If the method cannot be accessed
 292          * @throws java.lang.reflect.InvocationTargetException Any other problems?
 293          */
 294         private boolean isCategoryTitleUsed (final Category category) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 295                 // Trace message
 296                 this.getLogger().trace(MessageFormat.format("category={0} - CALLED!", category)); //NOI18N
 297
 298                 // Init title
 299                 String title = category.getTitle();
 300
 301                 // category must not be null and "title" must be found and non-empty
 302                 if (null == category) {
 303                         // Abort here
 304                         throw new NullPointerException("category is null"); //NOI18N
 305                 } else if (null == title) {
 306                         // title is not set
 307                         throw new IllegalArgumentException("category title is not set."); //NOI18N
 308                 } else if (title.isEmpty()) {
 309                         // Is left empty
 310                         throw new IllegalArgumentException("category title is empty."); //NOI18N
 311                 }
 312
 313                 // Default is not used
 314                 boolean isUsed = this.isCategoryTitleUsed(title);
 315
 316                 // Trace message
 317                 this.getLogger().trace(MessageFormat.format("isUsed={0} - EXIT!", isUsed)); //NOI18N
 318
 319                 // Return it
 320                 return isUsed;
 321         }
 322 }