From: Roland Haeder Date: Thu, 6 Aug 2015 09:48:34 +0000 (+0200) Subject: Renamed service stuff to application, as it is really an application X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=cd413ad5f62ab9ca7174bb926b5915f439784b93;p=pizzaservice-war.git Renamed service stuff to application, as it is really an application Signed-off-by:Roland Häder --- diff --git a/src/java/org/mxchange/pizzaservice/application/PizzaApplication.java b/src/java/org/mxchange/pizzaservice/application/PizzaApplication.java new file mode 100644 index 00000000..d3867988 --- /dev/null +++ b/src/java/org/mxchange/pizzaservice/application/PizzaApplication.java @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2015 Roland Haeder + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package org.mxchange.pizzaservice.application; + +import java.util.Iterator; +import java.util.Map; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpSession; +import org.mxchange.jcore.application.Application; +import org.mxchange.pizzaservice.product.Product; + +/** + * + * @author Roland Haeder + */ +public interface PizzaApplication extends Application { + /** + * HTTP parameter "amount" + */ + public static final String HTTP_PARAM_AMOUNT = "amount"; + + /** + * HTTP parameter "choose" + */ + public static final String HTTP_PARAM_CHOOSE = "choose"; + + /** + * Session key "ordered" + */ + public static final String SESSION_ORDERED = "ordered"; + + /** + * Mask for all parameters + */ + public static final String HTTP_PARAM_MASK = "%s[%s]"; + + /** + * Getter for product iterator + * + * @return Iterator for all products + */ + public Iterator> getProductsIterator (); + + /** + * Some "getter" for amount from session + * + * @param product Product instance + * @param session Session instance + * @return Amount as string + */ + public String getAmountFromSession (final Product product, final HttpSession session); + + /** + * Some "getter" for choose from session + * + * @param product Product instance + * @param session Session instance + * @return Choose as string + */ + public String getChooseFromSession (final Product product, final HttpSession session); + + /** + * Handler for amount from session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + public String handleAmountFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Handler for choosen (checkbox) from request or session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + public String handleChooseFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Some "getter" for printable choosen (checkbox) from request or session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + public String getPrintableChoosenFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Some "getter" for total price of position from request or session. + * Single price and amount is multiplyed. + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + public float getTotalPositionPriceFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Checks whether the given product is choosen, request overules session. + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + public boolean isProductChoosen (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Calculates total price of all choosen products + * + * @param request Request instance + * @param session Session instance + * @return Total price of all choosen products + */ + public float calculateTotalPrice (final HttpServletRequest request, final HttpSession session); + + /** + * Calculates total amount of all choosen products + * + * @param request Request instance + * @param session Session instance + * @return Total amount of all choosen products + */ + public int calculateTotalAmount (final HttpServletRequest request, final HttpSession session); + + /** + * Some "getter" for HTML code 'checked="checked"' if the product is choosen + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + public String getCheckedHtmlFromProduct (final Product product, final HttpServletRequest request, final HttpSession session); + + /** + * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons + * + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + public String getDisabledHtmlFromSession (final HttpServletRequest request, final HttpSession session); + + /** + * Marks given product as ordered in session + * + * @param product Product to mark as ordered + * @param session Session instance + */ + public void markProductAsOrdered(final Product product, final HttpSession session); + + /** + * Unmarks given product as ordered in session + * + * @param product Product to unmark as ordered + * @param session Session instance + */ + public void unmarkProductAsOrdered(final Product product, final HttpSession session); +} diff --git a/src/java/org/mxchange/pizzaservice/application/PizzaServiceApplication.java b/src/java/org/mxchange/pizzaservice/application/PizzaServiceApplication.java new file mode 100644 index 00000000..31ce7240 --- /dev/null +++ b/src/java/org/mxchange/pizzaservice/application/PizzaServiceApplication.java @@ -0,0 +1,936 @@ +/* + * Copyright (C) 2015 Roland Haeder + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package org.mxchange.pizzaservice.application; + +import java.text.MessageFormat; +import java.util.Iterator; +import java.util.Map; +import java.util.SortedMap; +import java.util.TreeMap; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpSession; +import org.mxchange.jcore.BaseFrameworkSystem; +import org.mxchange.pizzaservice.product.PizzaProduct; +import org.mxchange.pizzaservice.product.Product; + +/** + * + * @author Roland Haeder + */ +public class PizzaServiceApplication extends BaseFrameworkSystem implements PizzaApplication { + /** + * Main title + */ + public static final String MAIN_TITLE = "Pizza-Service"; + + /** + * Product list + */ + private final SortedMap products; + + /** + * Some singleton getter for this instance. If the instance is not set in + * given application, it will be created. + * + * @param application Servlet context + * @return This instance + * @throws javax.servlet.ServletException If object is not set correctly + */ + public static final PizzaApplication getInstance (final ServletContext application) throws ServletException { + // Trace message + new PizzaServiceApplication().getLogger().trace(MessageFormat.format("application={0} - CALLED!", application)); //NOI18N + + if (application == null) { + // Not set + throw new NullPointerException("application is null"); //NOI18N + } + + // Init instance + PizzaServiceApplication instance = null; + + // Get instance from servlet + Object object = application.getAttribute("service"); //NOI18N + + // Is it set? + if (object instanceof PizzaServiceApplication) { + // Instance is set, so casting should work + instance = (PizzaServiceApplication) object; + } else if (object instanceof Object) { + // Not correct instance + throw new ServletException("service is not set correctly"); //NOI18N + } else { + // "service" is null, so initialize it + instance = new PizzaServiceApplication(); + + // And set it here + application.setAttribute("service", instance); //NOI18N + } + + // Trace message + instance.getLogger().trace(MessageFormat.format("instance={0} - EXIT!", instance)); //NOI18N + + // Return it + return instance; + } + + /** + * Private constructor + */ + private PizzaServiceApplication () { + // Init products instance + this.products = new TreeMap<>(); + + // Fill products list + this.fillProductsList(); + } + + @Override + public void doBootstrap () { + throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + } + + @Override + public void doMainLoop () { + throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + } + + @Override + public void doShutdown () { + throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + } + + /** + * Getter for product (list) iterator + * + * @return An interator on all listed products + */ + @Override + public Iterator> getProductsIterator () { + assert(this.products instanceof SortedMap) : "this.products is not initialized"; //NOI18N + return this.products.entrySet().iterator(); + } + + /** + * Adds given product to list or throws an exception if name is already found + * + * @param name Internal name of product + * @param title Product's title + * @param price Price + */ + private void addProduct (final String name, final String title, final float price) { + // Trace message + this.getLogger().trace(MessageFormat.format("name={0},title={1},price={2} - CALLED!", name, title, price)); //NOI18N + + // Is the name already used? + if (this.isProductNameUsed(name)) { + // Something went wrong + throw new IllegalArgumentException(MessageFormat.format("product {0} is already used.", name)); //NOI18N + } + + // Instance product + Product product = new PizzaProduct(name, title, price); + + // Debug message + this.getLogger().debug(MessageFormat.format("Adding product={0} ...", product)); //NOI18N + + // Add it + this.products.put(product.getName(), product); + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Clears given parameter for product in session + * + * @param product Product instance + * @param session Session instance + * @param parameter Parameter to clear + */ + private void clearSessionAttribute (final Product product, final HttpSession session, final String parameter) { + // Trace message + this.getLogger().trace(MessageFormat.format("produce={0},parameter={1},session={2} - CALLED!", product, parameter, session)); //NOI18N + + // Clear in session + this.getLogger().debug(MessageFormat.format("Clearing product={0},parameter={1} ...", product.getName(), parameter)); //NOI18N + this.setValueInSession(product, session, parameter, null); + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Fills products list + * @todo Very hard-coded stuff ... + */ + private void fillProductsList () { + // Trace message + this.getLogger().trace("CALLED!"); //NOI18N + + // Add products + this.addProduct("italia", "Pizza Italia", 5.50f); //NOI18N + this.addProduct("diablo", "Pizza Diablo", 7.80f); //NOI18N + this.addProduct("bolognese", "Spagetti Bolognese", 11.95f); //NOI18N + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Some getter for value from session + * + * @param product Product instance + * @param session Session instance + * @param attribute Attribute to get value from + * @return Value from session + */ + private Object getValueFromSession (final Product product, final HttpSession session, final String attribute) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1},attribute={2} - CALLED!", product, session, attribute)); //NOI18N + + // Init variable + Object value = null; + + // Get it synced + synchronized (session) { + value = session.getAttribute(String.format(HTTP_PARAM_MASK, product.getName(), attribute)); + } + + this.getLogger().debug(MessageFormat.format("product={0},attribute={1},value={2}", product.getName(), attribute, value)); //NOI18N + + // Trace message + this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N + + // Return it + return value; + } + + /** + * Checks whether given product is already used + * + * @param name Name of product + * @return Whether the given product's name is already used + */ + private boolean isProductNameUsed (final String name) { + // Trace message + this.getLogger().trace(MessageFormat.format("name={0} - CALLED!", name)); //NOI18N + + // Is it found? + return this.products.containsKey(name); + } + + /** + * For debugging purpose + * + * @param args Arguments + */ + public static void main (String[] args) { + // Get instance and start it + new PizzaServiceApplication().start(); + } + + /** + * Checks if the product ordered? + * + * @param product + * @param session + * @return + */ + private boolean isProductOrdered (final Product product, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N + + // Get session + Object isOrdered = this.getValueFromSession(product, session, SESSION_ORDERED); + this.getLogger().debug(MessageFormat.format("product={0},isOrdered={1}", product.getName(), isOrdered)); //NOI18N + + // Return result + return ("true".equals(isOrdered)); //NOI18N + } + + /** + * Somewhat setter in session + * + * @param product Product instance + * @param session Session instance + * @param keyPart Key part to include in final key + * @param value Value to set + */ + private void setValueInSession (final Product product, final HttpSession session, final String keyPart, final Object value) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1},keyPart={2},value={3} - CALLED!", product, session, keyPart, value)); //NOI18N + + synchronized(session) { + // Set it synced + this.getLogger().debug(MessageFormat.format("setValueInSession: Setting value={0} for product={1},keyPart={2}", value, product.getName(), keyPart)); //NOI18N + session.setAttribute(String.format(HTTP_PARAM_MASK, product.getName(), keyPart), value); + } + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Application starter + */ + private void start () { + // Get iterator + Iterator> iterator = this.getProductsIterator(); + + // Run over it + while (iterator.hasNext()) { + // Get product instance + Map.Entry entry = iterator.next(); + + // Get value + Product product = entry.getValue(); + + // Output data + this.getLogger().debug(MessageFormat.format("Product {0}, {1}: {2}", product.getName(), product.getTitle(), product.getPrice())); //NOI18N + } + } + + /** + * Some "getter" for amount from session + * @param product Product instance + * @param session Session instance + * @return Amount as string + */ + @Override + public String getAmountFromSession (final Product product, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Get attribute + Object object = this.getValueFromSession(product, session, HTTP_PARAM_AMOUNT); + + // Is the object null? + if (object == null) { + // Trace message + this.getLogger().trace("Returning 0 - EXIT!"); //NOI18N + + // Not found + return "0"; //NOI18N + } + + // Trace message + this.getLogger().trace(MessageFormat.format("object={0} - EXIT!", object)); //NOI18N + + // Cast to string and return it + return (String) object; + } + + /** + * Some "getter" for choose from session + * + * @param product Product instance + * @param session Session instance + * @return Choose as string + */ + @Override + public String getChooseFromSession (final Product product, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Get attribute + Object object = this.getValueFromSession(product, session, HTTP_PARAM_CHOOSE); + + // Is the object null? + if (object == null) { + // Not found + this.getLogger().debug(MessageFormat.format("Returning empty string for product={0} ...", product.getName())); //NOI18N + return ""; //NOI18N + } + + // Trace message + this.getLogger().trace(MessageFormat.format("object={0} - CALLED!", object)); //NOI18N + + // Cast to string and return it + return (String) object; + } + + /** + * Handler for amount from request or session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + @Override + public String handleAmountFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Init variabke + Object object; + + // Check request method + if (!"POST".equals(request.getMethod())) { //NOI18N + // Not POST, so get from session + return this.getAmountFromSession(product, session); + } else if (this.handleChooseFromRequestSession(product, request, session).isEmpty()) { + // Not choosen + this.clearSessionAttribute(product, session, HTTP_PARAM_AMOUNT); + this.getLogger().debug(MessageFormat.format("Unsetting for product={0} in session, returning zero ...", product.getName())); //NOI18N + return "0"; //NOI18N + } + + // Get attribute from request + object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_AMOUNT, product.getName())); + + // Is it set? + if (object instanceof String) { + // Try to parse it to integer + try { + Integer value = Integer.valueOf((String) object); + } catch (final NumberFormatException ex) { + // Not valid input + this.getLogger().warn(ex); + return "0"; //NOI18N + } + + // Then set it in session + this.setValueInSession(product, session, HTTP_PARAM_AMOUNT, object); + + // And return it + return (String) object; + } + + // Trace message + this.getLogger().trace("Calling getAmountFromSession() ..."); //NOI18N + + // Get attribute from session + return this.getAmountFromSession(product, session); + } + + /** + * Handler for choosen (checkbox) from request or session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + @Override + public String handleChooseFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Init variabke + Object object; + + // Check request method + if (!"POST".equals(request.getMethod())) { //NOI18N + // Not POST, so get from session + return this.getChooseFromSession(product, session); + } else if (this.isProductOrdered(product, session)) { + // Product is ordered + return this.getChooseFromSession(product, session); + } + + // Get reqzest element + object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_CHOOSE, product.getName())); + this.getLogger().debug(MessageFormat.format("product={0},object={1}", product.getName(), object)); //NOI18N + + // Is it null? + if (object == null) { + // Unset session + this.getLogger().debug(MessageFormat.format("Unsetting session for product={0} ...", product.getName())); //NOI18N + this.clearSessionAttribute(product, session, HTTP_PARAM_CHOOSE); + this.clearSessionAttribute(product, session, HTTP_PARAM_AMOUNT); + + // Return empty string + return ""; //NOI18N + } + + // Then set it in session + this.setValueInSession(product, session, HTTP_PARAM_CHOOSE, object); + + // Cast to string and return it + this.getLogger().debug(MessageFormat.format("product={0} - Returning {1} ...", product.getName(), object)); //NOI18N + return (String) object; + } + + /** + * Some "getter" for choosen (checkbox) from session + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + @Override + public String getPrintableChoosenFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Get element + String choosen = this.handleChooseFromRequestSession(product, request, session); + this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N + + // Must not be null + assert(choosen instanceof String): "choosen is null"; //NOI18N + + // Is it empty? + if (choosen.isEmpty()) { + // Not choosen + return "Nein"; + } + + // Get amount + String amount = this.handleAmountFromRequestSession(product, request, session); + this.getLogger().debug(MessageFormat.format("product={0},amount={1}", product.getName(), amount)); //NOI18N + + // Must not be null + assert(amount instanceof String): "amount is null"; //NOI18N + + // Is it empty? + if (amount.isEmpty() || "0".equals(amount)) { //NOI18N + // Choosen, but no amount + return "Nein"; + } else { + // Is choosen + return "Ja"; + } + } + + /** + * Some "getter" for total price of position from request or session. + * Single price and amount is multiplyed. + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Amount as string + */ + @Override + public float getTotalPositionPriceFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Get choosen + String choosen = this.handleChooseFromRequestSession(product, request, session); + this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N + + // Must not be null + assert(choosen instanceof String): "choosen is null"; //NOI18N + + // Is it set? + if (choosen.isEmpty()) { + // Is empty + this.getLogger().debug(MessageFormat.format("product={0},choosen={1} - returning zero ...", product.getName(), choosen)); //NOI18N + return 0.00f; + } + + // Get amount + String amount = this.handleAmountFromRequestSession(product, request, session); + this.getLogger().debug(MessageFormat.format("product={0},amount={1}", product.getName(), amount)); //NOI18N + + // Must not be null + assert(amount instanceof String): "amount is null"; //NOI18N + + // Is it empty? + if (amount.isEmpty() || "0".equals(amount)) { //NOI18N + // Is empty + this.getLogger().debug(MessageFormat.format("product={0},amount={1} - returning zero ...", product.getName(), amount)); //NOI18N + return 0.00f; + } + + // Init variable + Integer value = null; + + // Try it + try { + // Get amount as integer + value = Integer.valueOf(amount); + } catch (final NumberFormatException e) { + // Bat input + throw new IllegalArgumentException(e); + } + + // Calculate price + float price = (product.getPrice() * value); + + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},price={1} - EXIT!", product.getName(), price)); //NOI18N + + // Then multiply it with price + return price; + } + + /** + * Checks whether the given product is choosen, request overules session. + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + @Override + public boolean isProductChoosen (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Get choosen + String choosen = this.handleChooseFromRequestSession(product, request, session); + this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N + + // Must not be null + assert(choosen instanceof String): "choosen is null"; //NOI18N + + // Is it not choosen? + if (choosen.isEmpty()) { + // Not choosen + return false; + } + + // Get amount + String amount = this.handleAmountFromRequestSession(product, request, session); + + // Must not be null + assert(amount instanceof String): "amount is not set"; //NOI18N + + // Trace message + this.getLogger().trace(MessageFormat.format("amount={0} - EXIT!", amount)); //NOI18N + + // Must not be empty and not 0 + return (!amount.isEmpty() && !"0".equals(amount)); //NOI18N + } + + /** + * Calculates total price of all choosen products + * + * @param request Request instance + * @param session Session instance + * @return Total price of all choosen products + */ + @Override + public float calculateTotalPrice (final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N + + // Is product and session set? + if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Init total price + float totalPrice = 0.00f; + + // Get iterator + Iterator> iterator = this.getProductsIterator(); + + // Walk through all products + while (iterator.hasNext()) { + // Get entry + Map.Entry entry = iterator.next(); + + // Get product instance + Product product = entry.getValue(); + + // Is this choosen? + if (product.isChoosen()) { + // Then add product's total price + this.getLogger().debug(MessageFormat.format("Calling getTotalPositionPriceFromRequestSession({0},request,session) ...", product.getName())); //NOI18N + totalPrice += this.getTotalPositionPriceFromRequestSession(product, request, session); + } + this.getLogger().debug(MessageFormat.format("product={0},totalPrice={1}", product.getName(), totalPrice)); //NOI18N + } + + // Trace message + this.getLogger().trace(MessageFormat.format(" totalPrice={0} - EXIT!", totalPrice)); //NOI18N + + // Return total price + return totalPrice; + } + + /** + * Calculates total amount of all choosen products + * + * @param request Request instance + * @param session Session instance + * @return Total amount of all choosen products + */ + @Override + public int calculateTotalAmount (final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N + + // Is product and session set? + if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Init total price + int totalAmount = 0; + + // Get iterator + Iterator> iterator = this.getProductsIterator(); + + // Walk through all products + while (iterator.hasNext()) { + // Get entry + Map.Entry entry = iterator.next(); + + // Get product instance + Product product = entry.getValue(); + + // Is this choosen? + if (product.isChoosen()) { + // Then add ordered amount + this.getLogger().debug(MessageFormat.format("Counting {0} ...", product.getName())); //NOI18N + + // Getting amount + String amount = this.getAmountFromSession(product, session); + + // Add it up + this.getLogger().debug(MessageFormat.format("amount={0}", amount)); //NOI18N + totalAmount += Integer.valueOf(amount); + } + this.getLogger().debug(MessageFormat.format("product={0},totalAmount={1}", product.getName(), totalAmount)); //NOI18N + } + + // Trace message + this.getLogger().trace(MessageFormat.format("totalAmount={0} - EXIT!", totalAmount)); //NOI18N + + // Return total price + return totalAmount; + } + + /** + * Some "getter" for HTML code 'checked="checked"' if the product is choosen + * + * @param product Product instance + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + @Override + public String getCheckedHtmlFromProduct (final Product product, final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // First let's check if the product is choosen + if (this.isProductChoosen(product, request, session)) { + // Trace message + this.getLogger().trace("Returning checked=\"checked\" - EXIT!"); //NOI18N + + // Is choosen + return "checked=\"checked\""; //NOI18N + } else { + // Trace message + this.getLogger().trace("Returning empty string - EXIT!"); //NOI18N + + // Not choosen + return ""; //NOI18N + } + } + + /** + * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons + * + * @param request Request instance + * @param session Session instance + * @return Whether the product is choosen + */ + @Override + public String getDisabledHtmlFromSession (final HttpServletRequest request, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N + + // Is product and session set? + if (request == null) { + // Not set + throw new NullPointerException("request is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Is something selected? + if (this.calculateTotalAmount(request, session) > 0) { + // Trace message + this.getLogger().trace("Returning empty string - EXIT!"); //NOI18N + + // Something has been choosen + return ""; //NOI18N + } else { + // Trace message + this.getLogger().trace("Returning disabled=\"disabled\" - EXIT!"); //NOI18N + + // Nothing choosen yet + return "disabled=\"disabled\""; //NOI18N + } + } + + /** + * Marks given product as ordered in session + * + * @param product Product to mark as ordered + * @param session Session instance + */ + @Override + public void markProductAsOrdered(final Product product, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Mark it as ordered by setting flag + this.getLogger().debug(MessageFormat.format("Marking product={0} as ordered.", product.getName())); //NOI18N + this.setValueInSession(product, session, SESSION_ORDERED, "true"); //NOI18N + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Unmarks given product as ordered in session + * + * @param product Product to unmark as ordered + * @param session Session instance + */ + @Override + public void unmarkProductAsOrdered(final Product product, final HttpSession session) { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N + + // Is product and session set? + if (product == null) { + // Not set + throw new NullPointerException("product is null"); //NOI18N + } else if (session == null) { + // Not set + throw new NullPointerException("session is null"); //NOI18N + } + + // Mark it as ordered by setting flag + this.getLogger().debug(MessageFormat.format("Unmarking product={0} as ordered.", product.getName())); //NOI18N + this.clearSessionAttribute(product, session, SESSION_ORDERED); + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } +} diff --git a/src/java/org/mxchange/pizzaservice/service/PizzaService.java b/src/java/org/mxchange/pizzaservice/service/PizzaService.java deleted file mode 100644 index e51da41d..00000000 --- a/src/java/org/mxchange/pizzaservice/service/PizzaService.java +++ /dev/null @@ -1,921 +0,0 @@ -/* - * Copyright (C) 2015 Roland Haeder - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ -package org.mxchange.pizzaservice.service; - -import java.text.MessageFormat; -import java.util.Iterator; -import java.util.Map; -import java.util.SortedMap; -import java.util.TreeMap; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpSession; -import org.mxchange.jcore.BaseFrameworkSystem; -import org.mxchange.pizzaservice.product.PizzaProduct; -import org.mxchange.pizzaservice.product.Product; - -/** - * - * @author Roland Haeder - */ -public class PizzaService extends BaseFrameworkSystem implements Service { - /** - * Main title - */ - public static final String MAIN_TITLE = "Pizza-Service"; - - /** - * Product list - */ - private final SortedMap products; - - /** - * Some singleton getter for this instance. If the instance is not set in - * given application, it will be created. - * - * @param application Servlet context - * @return This instance - * @throws javax.servlet.ServletException If object is not set correctly - */ - public static final Service getInstance (final ServletContext application) throws ServletException { - // Trace message - new PizzaService().getLogger().trace(MessageFormat.format("application={0} - CALLED!", application)); //NOI18N - - if (application == null) { - // Not set - throw new NullPointerException("application is null"); //NOI18N - } - - // Init instance - PizzaService instance = null; - - // Get instance from servlet - Object object = application.getAttribute("service"); //NOI18N - - // Is it set? - if (object instanceof PizzaService) { - // Instance is set, so casting should work - instance = (PizzaService) object; - } else if (object instanceof Object) { - // Not correct instance - throw new ServletException("service is not set correctly"); //NOI18N - } else { - // "service" is null, so initialize it - instance = new PizzaService(); - - // And set it here - application.setAttribute("service", instance); //NOI18N - } - - // Trace message - instance.getLogger().trace(MessageFormat.format("instance={0} - EXIT!", instance)); //NOI18N - - // Return it - return instance; - } - - /** - * Private constructor - */ - private PizzaService () { - // Init products instance - this.products = new TreeMap<>(); - - // Fill products list - this.fillProductsList(); - } - - /** - * Getter for product (list) iterator - * - * @return An interator on all listed products - */ - @Override - public Iterator> getProductsIterator () { - assert(this.products instanceof SortedMap) : "this.products is not initialized"; //NOI18N - return this.products.entrySet().iterator(); - } - - /** - * Adds given product to list or throws an exception if name is already found - * - * @param name Internal name of product - * @param title Product's title - * @param price Price - */ - private void addProduct (final String name, final String title, final float price) { - // Trace message - this.getLogger().trace(MessageFormat.format("name={0},title={1},price={2} - CALLED!", name, title, price)); //NOI18N - - // Is the name already used? - if (this.isProductNameUsed(name)) { - // Something went wrong - throw new IllegalArgumentException(MessageFormat.format("product {0} is already used.", name)); //NOI18N - } - - // Instance product - Product product = new PizzaProduct(name, title, price); - - // Debug message - this.getLogger().debug(MessageFormat.format("Adding product={0} ...", product)); //NOI18N - - // Add it - this.products.put(product.getName(), product); - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } - - /** - * Clears given parameter for product in session - * - * @param product Product instance - * @param session Session instance - * @param parameter Parameter to clear - */ - private void clearSessionAttribute (final Product product, final HttpSession session, final String parameter) { - // Trace message - this.getLogger().trace(MessageFormat.format("produce={0},parameter={1},session={2}", product, parameter, session)); //NOI18N - - // Clear in session - this.getLogger().debug(MessageFormat.format("Clearing product={0},parameter={1} ...", product.getName(), parameter)); //NOI18N - this.setValueInSession(product, session, parameter, null); - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } - - /** - * Fills products list - * @todo Very hard-coded stuff ... - */ - private void fillProductsList () { - // Trace message - this.getLogger().trace("CALLED!"); //NOI18N - - // Add products - this.addProduct("italia", "Pizza Italia", 5.50f); //NOI18N - this.addProduct("diablo", "Pizza Diablo", 7.80f); //NOI18N - this.addProduct("bolognese", "Spagetti Bolognese", 11.95f); //NOI18N - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } - - /** - * Some getter for value from session - * - * @param product Product instance - * @param session Session instance - * @param attribute Attribute to get value from - * @return Value from session - */ - private Object getValueFromSession (final Product product, final HttpSession session, final String attribute) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1},attribute={2} - CALLED!", product, session, attribute)); //NOI18N - - // Init variable - Object value = null; - - // Get it synced - synchronized (session) { - value = session.getAttribute(String.format(HTTP_PARAM_MASK, product.getName(), attribute)); - } - - this.getLogger().debug(MessageFormat.format("product={0},attribute={1},value={2}", product.getName(), attribute, value)); //NOI18N - - // Trace message - this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N - - // Return it - return value; - } - - /** - * Checks whether given product is already used - * - * @param name Name of product - * @return Whether the given product's name is already used - */ - private boolean isProductNameUsed (final String name) { - // Trace message - this.getLogger().trace(MessageFormat.format("name={0} - CALLED!", name)); //NOI18N - - // Is it found? - return this.products.containsKey(name); - } - - /** - * For debugging purpose - * - * @param args Arguments - */ - public static void main (String[] args) { - // Get instance and start it - new PizzaService().start(); - } - - /** - * Checks if the product ordered? - * - * @param product - * @param session - * @return - */ - private boolean isProductOrdered (final Product product, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N - - // Get session - Object isOrdered = this.getValueFromSession(product, session, SESSION_ORDERED); - this.getLogger().debug(MessageFormat.format("product={0},isOrdered={1}", product.getName(), isOrdered)); //NOI18N - - // Return result - return ("true".equals(isOrdered)); //NOI18N - } - - /** - * Somewhat setter in session - * - * @param product Product instance - * @param session Session instance - * @param keyPart Key part to include in final key - * @param value Value to set - */ - private void setValueInSession (final Product product, final HttpSession session, final String keyPart, final Object value) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1},keyPart={2},value={3} - CALLED!", product, session, keyPart, value)); //NOI18N - - synchronized(session) { - // Set it synced - this.getLogger().debug(MessageFormat.format("setValueInSession: Setting value={0} for product={1},keyPart={2}", value, product.getName(), keyPart)); //NOI18N - session.setAttribute(String.format(HTTP_PARAM_MASK, product.getName(), keyPart), value); - } - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } - - /** - * Application starter - */ - private void start () { - // Get iterator - Iterator> iterator = this.getProductsIterator(); - - // Run over it - while (iterator.hasNext()) { - // Get product instance - Map.Entry entry = iterator.next(); - - // Get value - Product product = entry.getValue(); - - // Output data - this.getLogger().debug(MessageFormat.format("Product {0}, {1}: {2}", product.getName(), product.getTitle(), product.getPrice())); //NOI18N - } - } - - /** - * Some "getter" for amount from session - * @param product Product instance - * @param session Session instance - * @return Amount as string - */ - @Override - public String getAmountFromSession (final Product product, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Get attribute - Object object = this.getValueFromSession(product, session, HTTP_PARAM_AMOUNT); - - // Is the object null? - if (object == null) { - // Trace message - this.getLogger().trace("Returning 0 - EXIT!"); //NOI18N - - // Not found - return "0"; //NOI18N - } - - // Trace message - this.getLogger().trace(MessageFormat.format("object={0} - EXIT!", object)); //NOI18N - - // Cast to string and return it - return (String) object; - } - - /** - * Some "getter" for choose from session - * - * @param product Product instance - * @param session Session instance - * @return Choose as string - */ - @Override - public String getChooseFromSession (final Product product, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Get attribute - Object object = this.getValueFromSession(product, session, HTTP_PARAM_CHOOSE); - - // Is the object null? - if (object == null) { - // Not found - this.getLogger().debug(MessageFormat.format("Returning empty string for product={0} ...", product.getName())); //NOI18N - return ""; //NOI18N - } - - // Trace message - this.getLogger().trace(MessageFormat.format("object={0} - CALLED!", object)); //NOI18N - - // Cast to string and return it - return (String) object; - } - - /** - * Handler for amount from request or session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - @Override - public String handleAmountFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Init variabke - Object object; - - // Check request method - if (!"POST".equals(request.getMethod())) { //NOI18N - // Not POST, so get from session - return this.getAmountFromSession(product, session); - } else if (this.handleChooseFromRequestSession(product, request, session).isEmpty()) { - // Not choosen - this.clearSessionAttribute(product, session, HTTP_PARAM_AMOUNT); - this.getLogger().debug(MessageFormat.format("Unsetting for product={0} in session, returning zero ...", product.getName())); //NOI18N - return "0"; //NOI18N - } - - // Get attribute from request - object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_AMOUNT, product.getName())); - - // Is it set? - if (object instanceof String) { - // Try to parse it to integer - try { - Integer value = Integer.valueOf((String) object); - } catch (final NumberFormatException ex) { - // Not valid input - this.getLogger().warn(ex); - return "0"; //NOI18N - } - - // Then set it in session - this.setValueInSession(product, session, HTTP_PARAM_AMOUNT, object); - - // And return it - return (String) object; - } - - // Trace message - this.getLogger().trace("Calling getAmountFromSession() ..."); //NOI18N - - // Get attribute from session - return this.getAmountFromSession(product, session); - } - - /** - * Handler for choosen (checkbox) from request or session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - @Override - public String handleChooseFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Init variabke - Object object; - - // Check request method - if (!"POST".equals(request.getMethod())) { //NOI18N - // Not POST, so get from session - return this.getChooseFromSession(product, session); - } else if (this.isProductOrdered(product, session)) { - // Product is ordered - return this.getChooseFromSession(product, session); - } - - // Get reqzest element - object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_CHOOSE, product.getName())); - this.getLogger().debug(MessageFormat.format("product={0},object={1}", product.getName(), object)); //NOI18N - - // Is it null? - if (object == null) { - // Unset session - this.getLogger().debug(MessageFormat.format("Unsetting session for product={0} ...", product.getName())); //NOI18N - this.clearSessionAttribute(product, session, HTTP_PARAM_CHOOSE); - this.clearSessionAttribute(product, session, HTTP_PARAM_AMOUNT); - - // Return empty string - return ""; //NOI18N - } - - // Then set it in session - this.setValueInSession(product, session, HTTP_PARAM_CHOOSE, object); - - // Cast to string and return it - this.getLogger().debug(MessageFormat.format("product={0} - Returning {1} ...", product.getName(), object)); //NOI18N - return (String) object; - } - - /** - * Some "getter" for choosen (checkbox) from session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - @Override - public String getPrintableChoosenFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Get element - String choosen = this.handleChooseFromRequestSession(product, request, session); - this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N - - // Must not be null - assert(choosen instanceof String): "choosen is null"; //NOI18N - - // Is it empty? - if (choosen.isEmpty()) { - // Not choosen - return "Nein"; - } - - // Get amount - String amount = this.handleAmountFromRequestSession(product, request, session); - this.getLogger().debug(MessageFormat.format("product={0},amount={1}", product.getName(), amount)); //NOI18N - - // Must not be null - assert(amount instanceof String): "amount is null"; //NOI18N - - // Is it empty? - if (amount.isEmpty() || "0".equals(amount)) { //NOI18N - // Choosen, but no amount - return "Nein"; - } else { - // Is choosen - return "Ja"; - } - } - - /** - * Some "getter" for total price of position from request or session. - * Single price and amount is multiplyed. - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - @Override - public float getTotalPositionPriceFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Get choosen - String choosen = this.handleChooseFromRequestSession(product, request, session); - this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N - - // Must not be null - assert(choosen instanceof String): "choosen is null"; //NOI18N - - // Is it set? - if (choosen.isEmpty()) { - // Is empty - this.getLogger().debug(MessageFormat.format("product={0},choosen={1} - returning zero ...", product.getName(), choosen)); //NOI18N - return 0.00f; - } - - // Get amount - String amount = this.handleAmountFromRequestSession(product, request, session); - this.getLogger().debug(MessageFormat.format("product={0},amount={1}", product.getName(), amount)); //NOI18N - - // Must not be null - assert(amount instanceof String): "amount is null"; //NOI18N - - // Is it empty? - if (amount.isEmpty() || "0".equals(amount)) { //NOI18N - // Is empty - this.getLogger().debug(MessageFormat.format("product={0},amount={1} - returning zero ...", product.getName(), amount)); //NOI18N - return 0.00f; - } - - // Init variable - Integer value = null; - - // Try it - try { - // Get amount as integer - value = Integer.valueOf(amount); - } catch (final NumberFormatException e) { - // Bat input - throw new IllegalArgumentException(e); - } - - // Calculate price - float price = (product.getPrice() * value); - - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},price={1} - EXIT!", product.getName(), price)); //NOI18N - - // Then multiply it with price - return price; - } - - /** - * Checks whether the given product is choosen, request overules session. - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - @Override - public boolean isProductChoosen (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Get choosen - String choosen = this.handleChooseFromRequestSession(product, request, session); - this.getLogger().debug(MessageFormat.format("product={0},choosen={1}", product.getName(), choosen)); //NOI18N - - // Must not be null - assert(choosen instanceof String): "choosen is null"; //NOI18N - - // Is it not choosen? - if (choosen.isEmpty()) { - // Not choosen - return false; - } - - // Get amount - String amount = this.handleAmountFromRequestSession(product, request, session); - - // Must not be null - assert(amount instanceof String): "amount is not set"; //NOI18N - - // Trace message - this.getLogger().trace(MessageFormat.format("amount={0} - EXIT!", amount)); //NOI18N - - // Must not be empty and not 0 - return (!amount.isEmpty() && !"0".equals(amount)); //NOI18N - } - - /** - * Calculates total price of all choosen products - * - * @param request Request instance - * @param session Session instance - * @return Total price of all choosen products - */ - @Override - public float calculateTotalPrice (final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N - - // Is product and session set? - if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Init total price - float totalPrice = 0.00f; - - // Get iterator - Iterator> iterator = this.getProductsIterator(); - - // Walk through all products - while (iterator.hasNext()) { - // Get entry - Map.Entry entry = iterator.next(); - - // Get product instance - Product product = entry.getValue(); - - // Is this choosen? - if (product.isChoosen()) { - // Then add product's total price - this.getLogger().debug(MessageFormat.format("Calling getTotalPositionPriceFromRequestSession({0},request,session) ...", product.getName())); //NOI18N - totalPrice += this.getTotalPositionPriceFromRequestSession(product, request, session); - } - this.getLogger().debug(MessageFormat.format("product={0},totalPrice={1}", product.getName(), totalPrice)); //NOI18N - } - - // Trace message - this.getLogger().trace(MessageFormat.format(" totalPrice={0} - EXIT!", totalPrice)); //NOI18N - - // Return total price - return totalPrice; - } - - /** - * Calculates total amount of all choosen products - * - * @param request Request instance - * @param session Session instance - * @return Total amount of all choosen products - */ - @Override - public int calculateTotalAmount (final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N - - // Is product and session set? - if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Init total price - int totalAmount = 0; - - // Get iterator - Iterator> iterator = this.getProductsIterator(); - - // Walk through all products - while (iterator.hasNext()) { - // Get entry - Map.Entry entry = iterator.next(); - - // Get product instance - Product product = entry.getValue(); - - // Is this choosen? - if (product.isChoosen()) { - // Then add ordered amount - this.getLogger().debug(MessageFormat.format("Counting {0} ...", product.getName())); //NOI18N - - // Getting amount - String amount = this.getAmountFromSession(product, session); - - // Add it up - this.getLogger().debug(MessageFormat.format("amount={0}", amount)); //NOI18N - totalAmount += Integer.valueOf(amount); - } - this.getLogger().debug(MessageFormat.format("product={0},totalAmount={1}", product.getName(), totalAmount)); //NOI18N - } - - // Trace message - this.getLogger().trace(MessageFormat.format("totalAmount={0} - EXIT!", totalAmount)); //NOI18N - - // Return total price - return totalAmount; - } - - /** - * Some "getter" for HTML code 'checked="checked"' if the product is choosen - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - @Override - public String getCheckedHtmlFromProduct (final Product product, final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},request={1},session={2} - CALLED!", product, request, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // First let's check if the product is choosen - if (this.isProductChoosen(product, request, session)) { - // Trace message - this.getLogger().trace("Returning checked=\"checked\" - EXIT!"); //NOI18N - - // Is choosen - return "checked=\"checked\""; //NOI18N - } else { - // Trace message - this.getLogger().trace("Returning empty string - EXIT!"); //NOI18N - - // Not choosen - return ""; //NOI18N - } - } - - /** - * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons - * - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - @Override - public String getDisabledHtmlFromSession (final HttpServletRequest request, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N - - // Is product and session set? - if (request == null) { - // Not set - throw new NullPointerException("request is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Is something selected? - if (this.calculateTotalAmount(request, session) > 0) { - // Trace message - this.getLogger().trace("Returning empty string - EXIT!"); //NOI18N - - // Something has been choosen - return ""; //NOI18N - } else { - // Trace message - this.getLogger().trace("Returning disabled=\"disabled\" - EXIT!"); //NOI18N - - // Nothing choosen yet - return "disabled=\"disabled\""; //NOI18N - } - } - - /** - * Marks given product as ordered in session - * - * @param product Product to mark as ordered - * @param session Session instance - */ - @Override - public void markProductAsOrdered(final Product product, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Mark it as ordered by setting flag - this.getLogger().debug(MessageFormat.format("Marking product={0} as ordered.", product.getName())); //NOI18N - this.setValueInSession(product, session, SESSION_ORDERED, "true"); //NOI18N - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } - - /** - * Unmarks given product as ordered in session - * - * @param product Product to unmark as ordered - * @param session Session instance - */ - @Override - public void unmarkProductAsOrdered(final Product product, final HttpSession session) { - // Trace message - this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N - - // Is product and session set? - if (product == null) { - // Not set - throw new NullPointerException("product is null"); //NOI18N - } else if (session == null) { - // Not set - throw new NullPointerException("session is null"); //NOI18N - } - - // Mark it as ordered by setting flag - this.getLogger().debug(MessageFormat.format("Unmarking product={0} as ordered.", product.getName())); //NOI18N - this.clearSessionAttribute(product, session, SESSION_ORDERED); - - // Trace message - this.getLogger().trace("EXIT!"); //NOI18N - } -} diff --git a/src/java/org/mxchange/pizzaservice/service/Service.java b/src/java/org/mxchange/pizzaservice/service/Service.java deleted file mode 100644 index 383e21d1..00000000 --- a/src/java/org/mxchange/pizzaservice/service/Service.java +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (C) 2015 Roland Haeder - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ -package org.mxchange.pizzaservice.service; - -import java.util.Iterator; -import java.util.Map; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpSession; -import org.mxchange.jcore.FrameworkInterface; -import org.mxchange.pizzaservice.product.Product; - -/** - * - * @author Roland Haeder - */ -public interface Service extends FrameworkInterface { - /** - * HTTP parameter "amount" - */ - public static final String HTTP_PARAM_AMOUNT = "amount"; - - /** - * HTTP parameter "choose" - */ - public static final String HTTP_PARAM_CHOOSE = "choose"; - - /** - * Session key "ordered" - */ - public static final String SESSION_ORDERED = "ordered"; - - /** - * Mask for all parameters - */ - public static final String HTTP_PARAM_MASK = "%s[%s]"; - - /** - * Getter for product iterator - * - * @return Iterator for all products - */ - public Iterator> getProductsIterator (); - - /** - * Some "getter" for amount from session - * - * @param product Product instance - * @param session Session instance - * @return Amount as string - */ - public String getAmountFromSession (final Product product, final HttpSession session); - - /** - * Some "getter" for choose from session - * - * @param product Product instance - * @param session Session instance - * @return Choose as string - */ - public String getChooseFromSession (final Product product, final HttpSession session); - - /** - * Handler for amount from session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - public String handleAmountFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Handler for choosen (checkbox) from request or session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - public String handleChooseFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Some "getter" for printable choosen (checkbox) from request or session - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - public String getPrintableChoosenFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Some "getter" for total price of position from request or session. - * Single price and amount is multiplyed. - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Amount as string - */ - public float getTotalPositionPriceFromRequestSession (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Checks whether the given product is choosen, request overules session. - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - public boolean isProductChoosen (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Calculates total price of all choosen products - * - * @param request Request instance - * @param session Session instance - * @return Total price of all choosen products - */ - public float calculateTotalPrice (final HttpServletRequest request, final HttpSession session); - - /** - * Calculates total amount of all choosen products - * - * @param request Request instance - * @param session Session instance - * @return Total amount of all choosen products - */ - public int calculateTotalAmount (final HttpServletRequest request, final HttpSession session); - - /** - * Some "getter" for HTML code 'checked="checked"' if the product is choosen - * - * @param product Product instance - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - public String getCheckedHtmlFromProduct (final Product product, final HttpServletRequest request, final HttpSession session); - - /** - * Some "getter" for HTML code 'disabled="disabled"' for e.g. submit buttons - * - * @param request Request instance - * @param session Session instance - * @return Whether the product is choosen - */ - public String getDisabledHtmlFromSession (final HttpServletRequest request, final HttpSession session); - - /** - * Marks given product as ordered in session - * - * @param product Product to mark as ordered - * @param session Session instance - */ - public void markProductAsOrdered(final Product product, final HttpSession session); - - /** - * Unmarks given product as ordered in session - * - * @param product Product to unmark as ordered - * @param session Session instance - */ - public void unmarkProductAsOrdered(final Product product, final HttpSession session); -} diff --git a/web/WEB-INF/glassfish-web.xml b/web/WEB-INF/glassfish-web.xml index 13e0059f..0c186a9a 100644 --- a/web/WEB-INF/glassfish-web.xml +++ b/web/WEB-INF/glassfish-web.xml @@ -7,4 +7,5 @@ Keep a copy of the generated servlet class' java code. + diff --git a/web/bye.jsp b/web/bye.jsp index b14fc10d..6e1b0701 100644 --- a/web/bye.jsp +++ b/web/bye.jsp @@ -5,18 +5,18 @@ --%> <%@page errorPage="errorHandler.jsp" %> -<%@page import="org.mxchange.pizzaservice.service.PizzaService"%> +<%@page import="org.mxchange.pizzaservice.application.PizzaServiceApplication"%> - <%=PizzaService.MAIN_TITLE%> - Sitzung beenden + <%=PizzaServiceApplication.MAIN_TITLE%> - Sitzung beenden
-

<%=PizzaService.MAIN_TITLE%> - Sitzung beenden

+

<%=PizzaServiceApplication.MAIN_TITLE%> - Sitzung beenden