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.Deque;
22 import java.util.Iterator;
23 import javax.servlet.ServletContext;
24 import javax.servlet.ServletException;
25 import javax.servlet.ServletRequest;
26 import javax.servlet.ServletResponse;
27 import javax.servlet.http.HttpSession;
28 import org.mxchange.jcore.application.Application;
29 import org.mxchange.jcore.exceptions.BadTokenException;
30 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
31 import org.mxchange.jshop.category.Category;
32 import org.mxchange.jshop.exceptions.CategoryTitleAlreadyUsedException;
33 import org.mxchange.jshop.exceptions.ProductTitleAlreadyUsedException;
34 import org.mxchange.jshop.item.AddableBasketItem;
35 import org.mxchange.jshop.product.Product;
39 * @author Roland Haeder
41 public interface PizzaApplication extends Application {
43 * HTTP parameter "amount"
44 * @deprecated Don't use this in upcoming JSF
47 public static final String HTTP_PARAM_AMOUNT = "amount"; //NOI18N
50 * Mask for all parameters
51 * @deprecated Please refacture!
54 static final String HTTP_PARAM_MASK = "%s[%s]"; //NOI18N
57 * Some "getter" for a linked list of only available products
59 * @return Only available products
60 * @throws javax.servlet.ServletException If anything went wrong
62 public Deque<Product> getAvailableProducts () throws ServletException;
65 * Some "getter" for a linked list of all products
67 * @return All products
68 * @throws javax.servlet.ServletException If anything went wrong
70 public Deque<Product> getAllProducts () throws ServletException;
73 * Some "getter" for a linked list of all categories
75 * @return All categories
76 * @throws javax.servlet.ServletException If anything went wrong
78 public Deque<Category> getAllCategories () throws ServletException;
81 * Initializes this instance with given ServletContext
83 * @param context Servlet context
84 * @throws org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException If the backend is unsupported
85 * @throws java.sql.SQLException If an SQL error occurs
86 * @throws java.io.IOException If an IO error occurs
87 * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found
89 public void init (final ServletContext context) throws UnsupportedDatabaseBackendException, SQLException, IOException, BadTokenException;
92 * Some "getter" for HTML code 'checked="checked"' if the product is choosen
94 * @param product Product instance
95 * @param request Request instance
96 * @param session Session instance
97 * @return Whether the product is choosen
99 public String getCheckedHtmlFromProduct (final Product product, final ServletRequest request, final HttpSession session);
102 * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons
104 * @param request Request instance
105 * @param session Session instance
106 * @return Whether the product is choosen
107 * @throws javax.servlet.ServletException If something unexpected happened
109 public String getDisabledHtmlFromSession (final ServletRequest request, final HttpSession session) throws ServletException;
112 * Somewhat setter in session
114 * @param session Session instance
115 * @param key Session key to set
116 * @param value Value to set
118 public void setValueInSession (final HttpSession session, final String key, final Object value);
121 * Some "getter" for a an array of only available products
123 * @return Only available products
124 * @throws javax.servlet.ServletException If anything went wrong
126 public Iterator<Product> getAvailableProductsIterator () throws ServletException;
129 * Some "getter" for a an array of all products
131 * @return All products
132 * @throws javax.servlet.ServletException If anything went wrong
134 public Iterator<Product> getAllProductsIterator () throws ServletException;
137 * Some "getter" for a an array of all categories
139 * @return All categories
140 * @throws javax.servlet.ServletException If anything went wrong
142 public Iterator<Category> getAllCategoriesIterator () throws ServletException;
145 * Checks if given Product instance is available and returns a printable
146 * (human-readable) string.
148 * @param product Product instance to check
149 * @return Human-readable version of product availability
151 public String getPrintableProduktAvailability (final Product product);
154 * Returns a printable (human-readable) string of product's category
156 * @param product Product instance to check
157 * @return Human-readable version of product availability
158 * @throws javax.servlet.ServletException If something unexpected happened
160 public String getPrintableProduktCategory (final Product product) throws ServletException;
163 * Adds given category data from request to database
165 * @param request Request instance
166 * @throws javax.servlet.ServletException If something unexpected happened
167 * @throws org.mxchange.jshop.exceptions.CategoryTitleAlreadyUsedException If the given title is already used
169 public void doAdminAddCategory (final ServletRequest request) throws ServletException, CategoryTitleAlreadyUsedException;
172 * Adds given product data from request to database
174 * @param request Request instance
175 * @throws javax.servlet.ServletException If something unexpected happened
176 * @throws org.mxchange.jshop.exceptions.ProductTitleAlreadyUsedException If the given product title is already used
178 public void doAdminAddProduct (final ServletRequest request) throws ServletException, ProductTitleAlreadyUsedException;
181 * Generates link HTML code for given category's parent id, if set. This
182 * link then points to products.jsp?category_id=x
184 * @param category Category instance
187 public String generateLinkForParent (final Category category);
190 * Handles admin product form requests
192 * @param request Request instance
193 * @param response Response instance
194 * @throws ServletException If something unexpected happened
196 public void doAdminHandleProductForms (final ServletRequest request, final ServletResponse response) throws ServletException;
199 * Handles admin category form requests
201 * @param request Request instance
202 * @param response Response instance
203 * @throws ServletException If something unexpected happened
205 public void doAdminHandleCategoryForms (final ServletRequest request, final ServletResponse response) throws ServletException;
208 * Some "getter" for a Product instance from given item
209 * @param item Item instance
210 * @return A Product instance
211 * @throws ServletException If something unexpected happened
213 public Product getProduct (final AddableBasketItem item) throws ServletException;