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;
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;
/**
*/
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.
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);
}
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();
// Init/declare total price and iterator
int totalAmount = 0;
- Iterator<Product> iterator;
-
- try {
- // Get iterator
- iterator = this.getProducts();
- } catch (final IOException | BadTokenException ex) {
- throw new ServletException(ex);
- }
+ Iterator<Product> iterator = this.getAvailableProducts();
// "Walk" over all products
while (iterator.hasNext()) {
float totalPrice = 0.00f;
// Get iterator
- Iterator<Product> iterator;
- try {
- iterator = this.getProducts();
- } catch (final IOException | BadTokenException ex) {
- throw new ServletException(ex);
- }
+ Iterator<Product> iterator = this.getAvailableProducts();
// "Walk" over all products
while (iterator.hasNext()) {
@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
}
/**
}
// 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) {
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
*/
@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";
+ }
}
/**
return this.convertNullToEmpty(value);
}
+ /**
+ * Some "getter" for a an array of only available products
+ *
+ * @return All products
+ */
+ @Override
+ public Iterator<Product> 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<Product> getProducts () throws IOException, BadTokenException {
- // Ask frontend for a list of products
- return this.productFrontend.getProducts();
+ public Iterator<Product> 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);
+ }
}
/**
* @return All categories
*/
@Override
- public Iterator<Category> getCategories () {
- throw new UnsupportedOperationException("Needs refacturing ...");
+ public Iterator<Category> 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);
+ }
}
/**
@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<Product> iterator;
-
- try {
- // Get iterator
- iterator = this.getProducts();
- } catch (final IOException | BadTokenException ex) {
- throw new ServletException(ex);
- }
+ Iterator<Product> iterator = this.getAvailableProducts();
// "Walk" over all products
while (iterator.hasNext()) {
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)) {
}
// Trace message
- this.getLogger().trace("EXIT!");
+ this.getLogger().trace("EXIT!"); //NOI18N
}
/**
// 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
// 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
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) {
* @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
// 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
}
// 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
* 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);
}
/**
*
* @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
/**
* 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);
}
try {
// Get iterator
- iterator = this.getProducts();
- } catch (final IOException | BadTokenException ex) {
+ iterator = this.getAvailableProducts();
+ } catch (final ServletException ex) {
this.abortProgramWithException(ex);
}
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);
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;
+ }
}
projects / pizzaservice-war.git / blobdiff