2 * Copyright (C) 2015 Roland Haeder
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.
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.
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/>.
17 package org.mxchange.pizzaapplication.application;
19 import java.io.IOException;
20 import java.sql.SQLException;
21 import java.util.Iterator;
22 import javax.servlet.ServletContext;
23 import javax.servlet.ServletException;
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpServletResponse;
26 import javax.servlet.http.HttpSession;
27 import org.mxchange.jcore.application.Application;
28 import org.mxchange.jcore.exceptions.BadTokenException;
29 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
30 import org.mxchange.jshop.category.Category;
31 import org.mxchange.jshop.exceptions.CategoryTitleAlreadyUsedException;
32 import org.mxchange.jshop.exceptions.ProductTitleAlreadyUsedException;
33 import org.mxchange.jshop.item.AddableBasketItem;
34 import org.mxchange.jshop.product.Product;
38 * @author Roland Haeder
40 public interface PizzaApplication extends Application {
42 * HTTP parameter "amount"
44 public static final String HTTP_PARAM_AMOUNT = "amount"; //NOI18N
47 * HTTP parameter "item_id"
49 public static final String HTTP_PARAM_ITEM_ID = "itemId"; //NOI18N
52 * HTTP parameter "type"
54 public static final String HTTP_PARAM_ITEM_TYPE = "itemType"; //NOI18N
57 * Session key "ordered"
59 public static final String SESSION_ORDERED = "ordered"; //NOI18N
62 * Mask for all parameters
63 * @deprecated Please refacture!
66 static final String HTTP_PARAM_MASK = "%s[%s]"; //NOI18N
69 * Some "getter" for amount from session
71 * @param product Product instance
72 * @param session Session instance
73 * @return Amount as string
74 * @deprecated Old code
77 public String getAmountFromSession (final Product product, final HttpSession session);
80 * Some "getter" for choose from session
82 * @param product Product instance
83 * @param session Session instance
84 * @return Choose as string
85 * @deprecated Old code
88 public String getChooseFromSession (final Product product, final HttpSession session);
91 * Some "getter" for total price of position from request or session.
92 * Single price and amount is multiplyed.
94 * @param product Product instance
95 * @param request Request instance
96 * @param session Session instance
97 * @return Amount as string
98 * @deprecated Old code
101 public float getTotalPositionPriceFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session);
104 * Initializes this instance with given ServletContext
106 * @param context Servlet context
107 * @throws org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException If the backend is unsupported
108 * @throws java.sql.SQLException If an SQL error occurs
109 * @throws java.io.IOException If an IO error occurs
110 * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found
112 public void init (final ServletContext context) throws UnsupportedDatabaseBackendException, SQLException, IOException, BadTokenException;
115 * Checks whether the given product is choosen, request overules session.
117 * @param product Product instance
118 * @param request Request instance
119 * @param session Session instance
120 * @return Whether the product is choosen
121 * @deprecated Old lost code
124 public boolean isProductChoosen (final Product product, final HttpServletRequest request, final HttpSession session);
127 * Some "getter" for HTML code 'checked="checked"' if the product is choosen
129 * @param product Product instance
130 * @param request Request instance
131 * @param session Session instance
132 * @return Whether the product is choosen
134 public String getCheckedHtmlFromProduct (final Product product, final HttpServletRequest request, final HttpSession session);
137 * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons
139 * @param request Request instance
140 * @param session Session instance
141 * @return Whether the product is choosen
142 * @throws javax.servlet.ServletException If something unexpected happened
144 public String getDisabledHtmlFromSession (final HttpServletRequest request, final HttpSession session) throws ServletException;
147 * Some getter for printable value from session or an empty string for null.
149 * @param session Session instance
150 * @param key Key to get
151 * @return Value from key, empty string for null
153 public Object getPrintableValeFromSession (final HttpSession session, final String key);
156 * Somewhat setter in session
158 * @param session Session instance
159 * @param key Session key to set
160 * @param value Value to set
162 public void setValueInSession (final HttpSession session, final String key, final Object value);
165 * Some "getter" for a an array of only available products
167 * @return Only available products
168 * @throws javax.servlet.ServletException If anything went wrong
170 public Iterator<Product> getAvailableProducts () throws ServletException;
173 * Some "getter" for a an array of all products
175 * @return All products
176 * @throws javax.servlet.ServletException If anything went wrong
178 public Iterator<Product> getAllProducts () throws ServletException;
181 * Some "getter" for a an array of all categories
183 * @return All categories
184 * @throws javax.servlet.ServletException If anything went wrong
186 public Iterator<Category> getAllCategories () throws ServletException;
189 * Checks if given Product instance is available and returns a printable
190 * (human-readable) string.
192 * @param product Product instance to check
193 * @return Human-readable version of product availability
195 public String getPrintableProduktAvailability (final Product product);
198 * Returns a printable (human-readable) string of product's category
200 * @param product Product instance to check
201 * @return Human-readable version of product availability
202 * @throws javax.servlet.ServletException If something unexpected happened
204 public String getPrintableProduktCategory (final Product product) throws ServletException;
207 * Adds given category data from request to database
209 * @param request Request instance
210 * @throws javax.servlet.ServletException If something unexpected happened
211 * @throws org.mxchange.jshop.exceptions.CategoryTitleAlreadyUsedException If the given title is already used
213 public void doAdminAddCategory (final HttpServletRequest request) throws ServletException, CategoryTitleAlreadyUsedException;
216 * Adds given product data from request to database
218 * @param request Request instance
219 * @throws javax.servlet.ServletException If something unexpected happened
220 * @throws org.mxchange.jshop.exceptions.ProductTitleAlreadyUsedException If the given product title is already used
222 public void doAdminAddProduct (final HttpServletRequest request) throws ServletException, ProductTitleAlreadyUsedException;
225 * Generates link HTML code for given category's parent id, if set. This
226 * link then points to products.jsp?category_id=x
228 * @param category Category instance
231 public String generateLinkForParent (final Category category);
234 * Handles admin product form requests
236 * @param request Request instance
237 * @param response Response instance
238 * @throws ServletException If something unexpected happened
240 public void doAdminHandleProductForms (final HttpServletRequest request, final HttpServletResponse response) throws ServletException;
243 * Handles admin category form requests
245 * @param request Request instance
246 * @param response Response instance
247 * @throws ServletException If something unexpected happened
249 public void doAdminHandleCategoryForms (final HttpServletRequest request, final HttpServletResponse response) throws ServletException;
252 * Some "getter" for a Product instance from given item
253 * @param item Item instance
254 * @return A Product instance
255 * @throws ServletException If something unexpected happened
257 public Product getProduct (final AddableBasketItem item) throws ServletException;