X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2Fjava%2Forg%2Fmxchange%2Fpizzaapplication%2Fapplication%2FPizzaServiceApplication.java;h=d8253814c2c7a000741ccc59f10bb1774ccbd29c;hb=ad3a217eb62ab36fab7004786b42e44edc063171;hp=30e1368d54f7a2fc52020248356f5f3533ae1e6f;hpb=ac5e656620924ab0a81b244fbf4cbfe11145ef59;p=pizzaservice-war.git diff --git a/src/java/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java b/src/java/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java index 30e1368d..d8253814 100644 --- a/src/java/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java +++ b/src/java/org/mxchange/pizzaapplication/application/PizzaServiceApplication.java @@ -17,6 +17,7 @@ package org.mxchange.pizzaapplication.application; import java.io.IOException; +import java.io.UnsupportedEncodingException; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.sql.SQLException; @@ -26,16 +27,24 @@ import java.util.Map; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.mxchange.jcore.contact.Gender; import org.mxchange.jcore.exceptions.BadTokenException; +import org.mxchange.jcore.exceptions.CorruptedDatabaseFileException; import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException; import org.mxchange.pizzaapplication.BasePizzaServiceSystem; import org.mxchange.pizzaapplication.category.Category; import org.mxchange.pizzaapplication.customer.Customer; import org.mxchange.pizzaapplication.customer.PizzaServiceCustomer; +import org.mxchange.pizzaapplication.database.category.PizzaCategoryDatabaseConstants; +import org.mxchange.pizzaapplication.database.frontend.category.CategoryFrontend; +import org.mxchange.pizzaapplication.database.frontend.category.PizzaCategoryDatabaseFrontend; import org.mxchange.pizzaapplication.database.frontend.product.PizzaProductDatabaseFrontend; import org.mxchange.pizzaapplication.database.frontend.product.ProductFrontend; +import org.mxchange.pizzaapplication.database.product.PizzaProductDatabaseConstants; +import org.mxchange.pizzaapplication.exceptions.CategoryTitleAlreadyUsedException; +import org.mxchange.pizzaapplication.exceptions.ProductTitleAlreadyUsedException; import org.mxchange.pizzaapplication.product.Product; /** @@ -54,6 +63,11 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P */ private ProductFrontend productFrontend; + /** + * Frontend for categories + */ + private CategoryFrontend categoryFrontend; + /** * Some singleton getter for this instance. If the instance is not set in * given application, it will be created. @@ -79,13 +93,20 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P if (object instanceof PizzaApplication) { // Instance is set, so casting should work instance = (PizzaApplication) object; + + // Debug message + instance.getLogger().debug(MessageFormat.format("Using existing instance {0} ...", object)); //NOI18N } else if (object instanceof Object) { // Not correct instance throw new ServletException("app is not set correctly"); //NOI18N } else { try { // "service" is null, so initialize it - instance = new PizzaServiceApplication(context); + instance = new PizzaServiceApplication(); + instance.init(context); + + // Debug message + instance.getLogger().debug(MessageFormat.format("Created new instance {0} ...", object)); //NOI18N } catch (final UnsupportedDatabaseBackendException | SQLException | IOException | BadTokenException ex) { throw new ServletException(ex); } @@ -111,12 +132,8 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P new PizzaServiceApplication().start(); } - /** - * Constructor with servet configuration - * - * @param context Servlet context - */ - private PizzaServiceApplication (final ServletContext context) throws UnsupportedDatabaseBackendException, SQLException, IOException, BadTokenException { + @Override + public void init (final ServletContext context) throws UnsupportedDatabaseBackendException, SQLException, IOException, BadTokenException { // Temporary initialize default bundle // @TODO The JSF may have better internatialization support this.initBundle(); @@ -157,14 +174,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P // Init/declare total price and iterator int totalAmount = 0; - Iterator iterator; - - try { - // Get iterator - iterator = this.getProducts(); - } catch (final IOException | BadTokenException ex) { - throw new ServletException(ex); - } + Iterator iterator = this.getAvailableProducts(); // "Walk" over all products while (iterator.hasNext()) { @@ -218,12 +228,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P float totalPrice = 0.00f; // Get iterator - Iterator iterator; - try { - iterator = this.getProducts(); - } catch (final IOException | BadTokenException ex) { - throw new ServletException(ex); - } + Iterator iterator = this.getAvailableProducts(); // "Walk" over all products while (iterator.hasNext()) { @@ -248,17 +253,17 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P @Override public void doBootstrap () { - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + throw new UnsupportedOperationException("Not supported yet."); //NOI18N } @Override public void doMainLoop () { - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + throw new UnsupportedOperationException("Not supported yet."); //NOI18N } @Override public void doShutdown () { - throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. + throw new UnsupportedOperationException("Not supported yet."); //NOI18N } /** @@ -364,7 +369,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P } // Get attribute - Object object = this.getValueFromSession(product, session, HTTP_PARAM_CHOOSE); + Object object = this.getValueFromSession(product, session, HTTP_PARAM_ITEM_ID); // Is the object null? if (object == null) { @@ -401,8 +406,14 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P throw new NullPointerException("session is null"); //NOI18N } + // Get "enabled" from request scope + Boolean enabled = Boolean.parseBoolean((String) request.getAttribute("enabled")); //NOI18N + + // Debug message + this.getLogger().debug(MessageFormat.format("enabled={0}", enabled)); //NOI18N + // Is something selected? - if (this.calculateTotalAmount(request, session) > 0) { + if ((enabled) || (this.calculateTotalAmount(request, session) > 0)) { // Trace message this.getLogger().trace("Returning empty string - EXIT!"); //NOI18N @@ -482,7 +493,23 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P */ @Override public String getPrintableProduktAvailability (final Product product) { - throw new UnsupportedOperationException(MessageFormat.format("Not supported yet: product={0}", product)); + // Trace message + this.getLogger().trace(MessageFormat.format("product={0} - CALLED!", product)); //NOI18N + + // Is it null? + if (product == null) { + // Should not be null + throw new NullPointerException("product is null"); //NOI18N + } + + // Get availability + if (product.getAvailable() == true) { + // Is available + return "Ja"; + } else { + // Not, not for public + return "Nein"; + } } /** @@ -519,15 +546,34 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P return this.convertNullToEmpty(value); } + /** + * Some "getter" for a an array of only available products + * + * @return All products + */ + @Override + public Iterator getAvailableProducts () throws ServletException { + try { + // Ask frontend for a list of products + return this.productFrontend.getAvailableProducts(); + } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) { + throw new ServletException(ex); + } + } + /** * Some "getter" for a an array of all products * * @return All products */ @Override - public Iterator getProducts () throws IOException, BadTokenException { - // Ask frontend for a list of products - return this.productFrontend.getProducts(); + public Iterator getAllProducts () throws ServletException { + try { + // Ask frontend for a list of products + return this.productFrontend.getAllProducts(); + } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) { + throw new ServletException(ex); + } } /** @@ -536,8 +582,13 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P * @return All categories */ @Override - public Iterator getCategories () { - throw new UnsupportedOperationException("Needs refacturing ..."); + public Iterator getCategories () throws ServletException { + try { + // Ask frontend for a list of categories + return this.categoryFrontend.getCategories(); + } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) { + throw new ServletException(ex); + } } /** @@ -745,17 +796,10 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P @Override public void markAllChoosenProductsAsOrdered (final HttpServletRequest request, final HttpSession session) throws ServletException { // Trace message - this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); + this.getLogger().trace(MessageFormat.format("request={0},session={1} - CALLED!", request, session)); //NOI18N // Init iterator - Iterator iterator; - - try { - // Get iterator - iterator = this.getProducts(); - } catch (final IOException | BadTokenException ex) { - throw new ServletException(ex); - } + Iterator iterator = this.getAvailableProducts(); // "Walk" over all products while (iterator.hasNext()) { @@ -763,7 +807,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P Product product = iterator.next(); // Debug message - this.getLogger().debug(MessageFormat.format("product={0}", product)); + this.getLogger().debug(MessageFormat.format("product={0}", product)); //NOI18N // Is it choosen? if (this.isProductChoosen(product, request, session)) { @@ -773,7 +817,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P } // Trace message - this.getLogger().trace("EXIT!"); + this.getLogger().trace("EXIT!"); //NOI18N } /** @@ -798,7 +842,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P // Mark it as ordered by setting flag this.getLogger().debug(MessageFormat.format("Marking product={0} as choosen.", product.getId())); //NOI18N - this.setValueInSession(product, session, HTTP_PARAM_CHOOSE, "1"); //NOI18N + this.setValueInSession(product, session, HTTP_PARAM_ITEM_ID, "1"); //NOI18N // Trace message this.getLogger().trace("EXIT!"); //NOI18N @@ -875,7 +919,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P // Mark it as ordered by setting flag this.getLogger().debug(MessageFormat.format("Unmarking product={0} as choosen.", product.getId())); //NOI18N - this.clearSessionAttribute(product, session, HTTP_PARAM_CHOOSE); + this.clearSessionAttribute(product, session, HTTP_PARAM_ITEM_ID); // Trace message this.getLogger().trace("EXIT!"); //NOI18N @@ -964,7 +1008,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P this.getLogger().trace(MessageFormat.format("session={0},key={1} - CALLED!", session, key)); //NOI18N // Init value - Object value = null; + Object value; // Get it synchronized from session synchronized (session) { @@ -986,7 +1030,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P * @param session Session instance * @return Amount as string */ - private String handleChooseFromRequestSession(final Product product, final HttpServletRequest request, final HttpSession session) { + private 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 @@ -1008,27 +1052,27 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P // Check request method if (!"POST".equals(request.getMethod())) { //NOI18N // Not POST, so get from session - this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); + this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); //NOI18N return this.getChooseFromSession(product, session); } else if (this.isProductOrdered(product, session)) { // Product is ordered - this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); + this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); //NOI18N return this.getChooseFromSession(product, session); } else if (!this.getChooseFromSession(product, session).isEmpty()) { // Found in session - this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); + this.getLogger().trace(MessageFormat.format("Calling this.getChooseFromSession({0},{1}) ... - EXIT!", product.getId(), session)); //NOI18N return this.getChooseFromSession(product, session); } // Get reqzest element - object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_CHOOSE, product.getId())); + object = request.getParameter(String.format(HTTP_PARAM_MASK, HTTP_PARAM_ITEM_ID, product.getId())); this.getLogger().debug(MessageFormat.format("product={0},object={1}", product.getId(), object)); //NOI18N // Is it null? if (object == null) { // Unset session this.getLogger().debug(MessageFormat.format("Unsetting session for product={0} ...", product.getId())); //NOI18N - this.clearSessionAttribute(product, session, HTTP_PARAM_CHOOSE); + this.clearSessionAttribute(product, session, HTTP_PARAM_ITEM_ID); this.clearSessionAttribute(product, session, HTTP_PARAM_AMOUNT); // Return empty string @@ -1036,7 +1080,7 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P } // Then set it in session - this.setValueInSession(product, session, HTTP_PARAM_CHOOSE, object); + this.setValueInSession(product, session, HTTP_PARAM_ITEM_ID, object); // Cast to string and return it this.getLogger().debug(MessageFormat.format("product={0} - Returning {1} ...", product.getId(), object)); //NOI18N @@ -1047,7 +1091,32 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P * Initializes database frontends. */ private void initDatabaseFrontends () throws UnsupportedDatabaseBackendException, SQLException { + // Product frontend this.productFrontend = new PizzaProductDatabaseFrontend(); + + // Category frontend + this.categoryFrontend = new PizzaCategoryDatabaseFrontend(); + } + + /** + * Checks whether given category title is already used + * + * @param title Title of category to check + * @return Whether it has been found + */ + private boolean isCategoryTitleUsed(final String title) throws IOException, SQLException, BadTokenException, CorruptedDatabaseFileException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException { + // Delegate to frontend + return this.categoryFrontend.isCategoryTitleUsed(title); + } + + /** + * Checks if given product title is already used + * @param title Product title to check + * @return Whether the product title has already been used + */ + private boolean isProductTitleUsed (final String title) throws IOException, SQLException, BadTokenException, CorruptedDatabaseFileException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException { + // Delegate to frontend + return this.productFrontend.isProductTitleUsed(title); } /** @@ -1055,9 +1124,9 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P * * @param product Product instance * @param session HttpSession instance - * @return + * @return Whether the product has been ordered */ - private boolean isProductOrdered(final Product product, final HttpSession session) { + private boolean isProductOrdered (final Product product, final HttpSession session) { // Trace message this.getLogger().trace(MessageFormat.format("product={0},session={1} - CALLED!", product, session)); //NOI18N @@ -1092,14 +1161,17 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P /** * Application starter */ - private void start () { + private void start() { // Init bundle this.initBundle(); try { // Init properties this.initProperties(); - } catch (final IOException ex) { + + // And frontends + this.initDatabaseFrontends(); + } catch (final IOException | UnsupportedDatabaseBackendException | SQLException ex) { // Abort here this.abortProgramWithException(ex); } @@ -1109,8 +1181,8 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P try { // Get iterator - iterator = this.getProducts(); - } catch (final IOException | BadTokenException ex) { + iterator = this.getAvailableProducts(); + } catch (final ServletException ex) { this.abortProgramWithException(ex); } @@ -1127,13 +1199,13 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P Customer customer = new PizzaServiceCustomer(); /* - * Need a least a gender ... :( See, that is why I don't like default - * constructors, you can easily miss something important and bam! You - * get an NPE. The fix here is, to have construtors (or factories) which - * requires all required instances that needs to be set to get a - * consitent object back. - */ - + * Need a least a gender ... :( See, that is why I don't like default + * constructors, you can easily miss something important and bam! You + * get an NPE. The fix here is, to have construtors (or factories) which + * requires all required instances that needs to be set to get a + * consitent object back. + */ + // Gender is MALE now customer.setGender(Gender.MALE); @@ -1153,4 +1225,430 @@ public class PizzaServiceApplication extends BasePizzaServiceSystem implements P this.getLogger().debug(MessageFormat.format("entry {0}={1}", entry.getKey(), entry.getValue())); //NOI18N } } + + /** + * Adds given category data from request to database + * + * @param request Request instance + */ + @Override + public void doAdminAddCategory (final HttpServletRequest request) throws ServletException, CategoryTitleAlreadyUsedException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0} - CALLED!", request)); //NOI18N + + // request must not be null + if (request == null) { + // Is null + throw new NullPointerException("request is null"); //NOI18N + } + + // Get all fields + String title = request.getParameter(PizzaCategoryDatabaseConstants.COLUMN_TITLE); + String parent = request.getParameter(PizzaCategoryDatabaseConstants.COLUMN_PARENT); + + // Debug message + this.getLogger().debug(MessageFormat.format("title={0},parent={1}", title, parent)); //NOI18N + + // Init variables for casting + Integer id = 0; + + // Check all fields + if (title == null) { + // "title" not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaCategoryDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if (title.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaCategoryDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if ((parent != null) && (!parent.isEmpty())) { + // "parent" is set, so check it + try { + id = Integer.parseInt(parent); + } catch (final NumberFormatException e) { + // Not valid number + throw new IllegalArgumentException(e); + } + } + + try { + // Try to check if title is used already + if (this.isCategoryTitleUsed(title)) { + // Title already used + throw new CategoryTitleAlreadyUsedException(request); + } + } catch (final IOException | SQLException | BadTokenException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) { + throw new ServletException(ex); + } + + try { + // The category is not found, so add it to database + this.categoryFrontend.addCategory(title, id); + } catch (final SQLException | IOException ex) { + // Continue to throw it + throw new ServletException(ex); + } + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Adds given product data from request to database + * + * @param request Request instance + */ + @Override + public void doAdminAddProduct (final HttpServletRequest request) throws ServletException, ProductTitleAlreadyUsedException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0} - CALLED!", request)); //NOI18N + + // request must not be null + if (request == null) { + // Is null + throw new NullPointerException("request is null"); //NOI18N + } + + // Get title, price and category id + String title = request.getParameter(PizzaProductDatabaseConstants.COLUMN_TITLE); + String price = request.getParameter(PizzaProductDatabaseConstants.COLUMN_PRICE); + String category = request.getParameter(PizzaProductDatabaseConstants.COLUMN_CATEGORY); + String available = request.getParameter(PizzaProductDatabaseConstants.COLUMN_AVAILABLE); + + // Debug message + this.getLogger().debug(MessageFormat.format("title={0},price={1},category={2},available={3}", title, price, category, available)); //NOI18N + + // Variables for converting + Long id = null; + Float p = null; + + // Check all fields + if (title == null) { + // "title" not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaProductDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if (title.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaProductDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if (price == null) { + // "price" not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaProductDatabaseConstants.COLUMN_PRICE)); //NOI18N + } else if (price.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaProductDatabaseConstants.COLUMN_PRICE)); //NOI18N + } else if (category == null) { + // "title" not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaProductDatabaseConstants.COLUMN_CATEGORY)); //NOI18N + } else if (category.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaProductDatabaseConstants.COLUMN_CATEGORY)); //NOI18N + } else if (available == null) { + // "title" not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaProductDatabaseConstants.COLUMN_AVAILABLE)); //NOI18N + } else if (available.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaProductDatabaseConstants.COLUMN_AVAILABLE)); //NOI18N + } else if ((!"true".equals(available)) && (!"false".equals(available))) { //NOI18N + // Invalid value + throw new IllegalArgumentException(MessageFormat.format("{0} is invalid: {1}", PizzaProductDatabaseConstants.COLUMN_AVAILABLE, available)); //NOI18N + } + + // Parse numbers + try { + id = Long.parseLong(category); + p = Float.parseFloat(price); + } catch (final NumberFormatException e) { + // Not valid number + throw new IllegalArgumentException(e); + } + + // Parse boolean + Boolean a = Boolean.parseBoolean(available); + + // Test on product title + try { + // Try to check if title is used already + if (this.isProductTitleUsed(title)) { + // Title already used + throw new ProductTitleAlreadyUsedException(request); + } + } catch (final IOException | SQLException | BadTokenException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) { + throw new ServletException(ex); + } + + try { + // The product is not found, so add it to database + this.productFrontend.addProduct(title, p, id, a); + } catch (final SQLException | IOException ex) { + // Continue to throw it + throw new ServletException(ex); + } + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Generates link HTML code for given category's parent id, if set. This + * link then points to products.jsp?category_id=x + * + * @param category Category instance + * @return HTML code + */ + @Override + public String generateLinkForParent (final Category category) { + // Trace message + this.getLogger().trace(MessageFormat.format("category={0} - CALLED!", category)); //NOI18N + + // category must not be null + if (category == null) { + // Is null + throw new NullPointerException("category is null"); //NOI18N + } + + // Get parent id + Long parent = category.getParent(); + + // Is the id set? + if (parent > 0) { + // Product HTML code for link + throw new UnsupportedOperationException(MessageFormat.format("parent={0} - Unfinished!", parent)); //NOI18N + } + + // No parent set + return "Keine"; + } + + @Override + public String getPrintableProduktCategory (final Product product) throws ServletException { + // Trace message + this.getLogger().trace(MessageFormat.format("product={0} - CALLED!", product)); //NOI18N + + // product must not be null + if (product == null) { + // Abort here + throw new NullPointerException("product is null"); //NOI18N + } + + // Declare category + Category category; + + try { + // Get Category instance from product over the frontend + category = this.categoryFrontend.getCategory(product); + } catch (final IOException | SQLException | BadTokenException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) { + throw new ServletException(ex); + } + + // Debug message + this.getLogger().debug(MessageFormat.format("category={0}", category)); //NOI18N + + String title = null; + try { + // Now get title from it and return it + title = category.decodedTitle(); + } catch (final UnsupportedEncodingException ex) { + // Continue to throw as cause + throw new ServletException(ex); + } + + // Trace message + this.getLogger().trace(MessageFormat.format("title={0} - EXIT!", title)); //NOI18N + + // Return it + return title; + } + + /** + * Checks if product's title is already used. + * + * @param request Request instance + * @return Whether the product title is already used + * @throws java.io.IOException If any IO error occurs + * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found in a file-based database backend's file ... ;-) + * @throws java.sql.SQLException If any SQL error occurs + * @throws org.mxchange.jcore.exceptions.CorruptedDatabaseFileException If the database file is damaged + * @throws java.lang.NoSuchMethodException If a method was not found + * @throws java.lang.IllegalAccessException If the method cannot be accessed + * @throws java.lang.reflect.InvocationTargetException Any other problems? + */ + private boolean isProductTitleUsed (final HttpServletRequest request) throws IOException, SQLException, BadTokenException, CorruptedDatabaseFileException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0} - CALLED!", request)); //NOI18N + + // Init title + String title = request.getParameter(PizzaProductDatabaseConstants.COLUMN_TITLE); + + // request must not be null and "title" must be found and non-empty + if (request == null) { + // Abort here + throw new NullPointerException("request is null"); //NOI18N + } else if (title == null) { + // title is not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaProductDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if (title.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaProductDatabaseConstants.COLUMN_TITLE)); //NOI18N + } + + // Default is not used + boolean isUsed = this.isProductTitleUsed(title); + + // Trace message + this.getLogger().trace(MessageFormat.format("isUsed={0} - EXIT!", isUsed)); //NOI18N + + // Return it + return isUsed; + } + + /** + * Handles admin form requests + * @param request Request instance + * @param response Response instance + * @throws ServletException If something unexpected happened + */ + @Override + public void doAdminHandleProductForms (final HttpServletRequest request, final HttpServletResponse response) throws ServletException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0},response={1} - CALLED!", request, response)); //NOI18N + + // request and response must both be set + if (request == null) { + // request is null + throw new NullPointerException("request is null"); //NOI18N + } else if (response == null) { + // response is null + throw new NullPointerException("response is null"); //NOI18N + } + + // Try this operations + try { + // Is it post? + if ("POST".equals(request.getMethod())) { //NOI18N + // Is "add/edit/delete" set? + if (request.getParameter("add") != null) { //NOI18N + // Is it already added? + if (this.isProductTitleUsed(request)) { + // Debug message + this.getLogger().debug("Already used, redirecting ..."); //NOI18N + + // Already added, so redirect here, else a ServletException will be thrown + response.sendRedirect(String.format("%s/admin/product.jsp?already=1", request.getContextPath())); //NOI18N + } else { + // Add new product + this.doAdminAddProduct(request); + } + } else if (request.getParameter("edit") != null) { //NOI18N + // @TODO + } else if (request.getParameter("delete") != null) { //NOI18N + // @TODO + } + + // Redirect to proper URL + // @TODO Commented out for developing: + //response.sendRedirect(request.getContextPath() + "/finished.jsp"); + } + } catch (final IOException | SQLException | BadTokenException | CorruptedDatabaseFileException | ProductTitleAlreadyUsedException | NoSuchMethodException | IllegalAccessException | InvocationTargetException | IllegalArgumentException ex) { + // Throw it as cause + throw new ServletException(ex); + } + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Handles admin form requests + * @param request Request instance + * @param response Response instance + * @throws ServletException If something unexpected happened + */ + @Override + public void doAdminHandleCategoryForms (final HttpServletRequest request, final HttpServletResponse response) throws ServletException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0},response={1} - CALLED!", request, response)); //NOI18N + + // request and response must both be set + if (request == null) { + // request is null + throw new NullPointerException("request is null"); //NOI18N + } else if (response == null) { + // response is null + throw new NullPointerException("response is null"); //NOI18N + } + + // Try this operations + try { + // Is it post? + if ("POST".equals(request.getMethod())) { //NOI18N + // Is "add/edit/delete" set? + if (request.getParameter("add") != null) { //NOI18N + // Is the category title already used? + if (this.isCategoryTitleUsed(request)) { + // Debug message + this.getLogger().debug("Already used, redirecting ..."); //NOI18N + + // Already added, so redirect here, else a ServletException will be thrown + response.sendRedirect(String.format("%s/admin/category.jsp?already=1", request.getContextPath())); //NOI18N + } else { + // Add new category + this.doAdminAddCategory(request); + } + } else if (request.getParameter("edit") != null) { //NOI18N + // @TODO + } else if (request.getParameter("delete") != null) { //NOI18N + // @TODO + } + + // Redirect to proper URL + // @TODO Commented out for developing: + //response.sendRedirect(request.getContextPath() + "/finished.jsp"); + } + } catch (final IOException | SQLException | BadTokenException | CorruptedDatabaseFileException | CategoryTitleAlreadyUsedException | NoSuchMethodException | IllegalAccessException | InvocationTargetException | IllegalArgumentException ex) { + // Throw it as cause + throw new ServletException(ex); + } + + // Trace message + this.getLogger().trace("EXIT!"); //NOI18N + } + + /** + * Checks if category's title is already used. + * + * @param request Request instance + * @return Whether the product title is already used + * @throws java.io.IOException If any IO error occurs + * @throws org.mxchange.jcore.exceptions.BadTokenException If a bad token was found in a file-based database backend's file ... ;-) + * @throws java.sql.SQLException If any SQL error occurs + * @throws org.mxchange.jcore.exceptions.CorruptedDatabaseFileException If the database file is damaged + * @throws java.lang.NoSuchMethodException If a method was not found + * @throws java.lang.IllegalAccessException If the method cannot be accessed + * @throws java.lang.reflect.InvocationTargetException Any other problems? + */ + private boolean isCategoryTitleUsed (final HttpServletRequest request) throws IOException, SQLException, BadTokenException, CorruptedDatabaseFileException, NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException { + // Trace message + this.getLogger().trace(MessageFormat.format("request={0} - CALLED!", request)); //NOI18N + + // Init title + String title = request.getParameter(PizzaCategoryDatabaseConstants.COLUMN_TITLE); + + // request must not be null and "title" must be found and non-empty + if (request == null) { + // Abort here + throw new NullPointerException("request is null"); //NOI18N + } else if (title == null) { + // title is not set + throw new IllegalArgumentException(MessageFormat.format("{0} is not set.", PizzaCategoryDatabaseConstants.COLUMN_TITLE)); //NOI18N + } else if (title.isEmpty()) { + // Is left empty + throw new IllegalArgumentException(MessageFormat.format("{0} is empty.", PizzaCategoryDatabaseConstants.COLUMN_TITLE)); //NOI18N + } + + // Default is not used + boolean isUsed = this.isCategoryTitleUsed(title); + + // Trace message + this.getLogger().trace(MessageFormat.format("isUsed={0} - EXIT!", isUsed)); //NOI18N + + // Return it + return isUsed; + } }