+++ /dev/null
-/*
- * Copyright (C) 2016 Roland Häder
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-package org.mxchange.jshopcore.model.customer;
-
-import java.sql.SQLException;
-import javax.persistence.EntityManager;
-import javax.persistence.EntityNotFoundException;
-import org.apache.commons.codec.binary.Base64;
-import org.apache.commons.codec.digest.Sha2Crypt;
-import org.mxchange.jcustomercore.model.customer.Customer;
-import org.mxchange.jshopcore.model.order.Orderable;
-import org.mxchange.jshopcore.model.order.ShopOrder;
-
-/**
- * An utilities class for customers
- * <p>
- * @author Roland Häder<roland@mxchange.org>
- */
-public class CustomerUtils {
-
- /**
- * Generates an unique access key.
- * <p>
- * @param em Entity manager instance
- * @param customer Customer instance
- * <p>
- * @return An unique access key
- */
- public static String generateAccessKey (final EntityManager em, final Customer customer) {
- // Trace message
- // @TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: connection={0} - CALLED!", connection));
-
- // em cannot be null
- if (null == em) {
- // Abort here
- throw new NullPointerException("em is null"); //NOI18N
- } else if (!em.isOpen()) {
- // Not open
- throw new IllegalStateException("Entity manager is closed.");
- }
-
- // Generate fake order instance
- Orderable orderable = null;
-
- // Generate access keyy
- String accessKey = null;
-
- // Default is found
- boolean isFound = true;
-
- // Is the number used?
- while (isFound) {
- // Both number parts
- String randString = String.format("%s:%s:%s", Long.toHexString(Math.round(Math.random() * 1_000_000)), em, customer.getCustomerNumber());
-
- // Generate access key, use SHA512 hashing and BASE64-encoding for strong key generation
- accessKey = Base64.encodeBase64String(Sha2Crypt.sha512Crypt(randString.getBytes()).getBytes()).substring(0, 100);
-
- // Try this
- try {
- // Get reference
- orderable = em.getReference(ShopOrder.class, accessKey);
- } catch (final EntityNotFoundException ex) {
- // Not found, so abort loop here
- isFound = false;
- }
- }
-
- // Trace message
- // @TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: accessKey={0} - EXIT!", accessKey));
- // Found one
- return accessKey;
- }
-
- /**
- * Generates an unique customer number by checking is existence
- * <p>
- * @param em Entity manager instance
- * <p>
- * @return Generated customer number (not used before)
- * <p>
- * @throws java.sql.SQLException If any SQL error occured
- */
- public static String generateCustomerNumber (final EntityManager em) throws SQLException {
- // Trace message
- // @TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: connection={0} - CALLED!", connection));
-
- // em cannot be null
- if (null == em) {
- // Abort here
- throw new NullPointerException("em is null"); //NOI18N
- } else if (!em.isOpen()) {
- // Not open
- throw new IllegalStateException("Entity manager is closed.");
- }
-
- // Generate number
- String customerNumber = null;
-
- // Default is found
- boolean isFound = true;
-
- // Is the number used?
- while (isFound) {
- // Both number parts
- long part1 = Math.round(Math.random() * 100_000);
- long part2 = Math.round(Math.random() * 1_000);
-
- // Generate new number
- customerNumber = String.format("%s-%s", part1, part2); //NOI18N
-
- // Try it
- try {
- // Get instance
- Customer customer = em.getReference(Customer.class, customerNumber);
- } catch (final EntityNotFoundException ex) {
- // Not found
- isFound = false;
- }
- }
-
- // Trace message
- // @TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: customerNumber={0} - EXIT!", customerNumber));
- // Found one
- return customerNumber;
- }
-
- /**
- * Private constructor
- */
- private CustomerUtils () {
- // Prevents making instances from utilities classes
- }
-
-}
--- /dev/null
+/*
+ * Copyright (C) 2016 Roland Häder
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.jshopcore.model.customer;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.codec.digest.Sha2Crypt;
+import org.mxchange.jcustomercore.model.customer.Customer;
+import org.mxchange.jshopcore.model.order.Orderable;
+import org.mxchange.jshopcore.model.order.ShopOrder;
+
+/**
+ * An utilities class for customers
+ * <p>
+ * @author Roland Häder<roland@mxchange.org>
+ */
+public class ShopCustomerUtils {
+
+ /**
+ * Generates an unique access key.
+ * <p>
+ * @param em Entity manager instance
+ * @param customer Customer instance
+ * <p>
+ * @return An unique access key
+ */
+ public static String generateAccessKey (final EntityManager em, final Customer customer) {
+ // em cannot be null
+ if (null == em) {
+ // Abort here
+ throw new NullPointerException("em is null"); //NOI18N
+ } else if (!em.isOpen()) {
+ // Not open
+ throw new IllegalStateException("Entity manager is closed.");
+ }
+
+ // Generate fake order instance
+ Orderable orderable = null;
+
+ // Generate access keyy
+ String accessKey = null;
+
+ // Default is found
+ boolean isFound = true;
+
+ // Is the number used?
+ while (isFound) {
+ // Both number parts
+ String randString = String.format("%s:%s:%s", Long.toHexString(Math.round(Math.random() * 1_000_000)), em, customer.getCustomerNumber());
+
+ // Generate access key, use SHA512 hashing and BASE64-encoding for strong key generation
+ accessKey = Base64.encodeBase64String(Sha2Crypt.sha512Crypt(randString.getBytes()).getBytes()).substring(0, 100);
+
+ // Try this
+ try {
+ // Get reference
+ orderable = em.getReference(ShopOrder.class, accessKey);
+ } catch (final EntityNotFoundException ex) {
+ // Not found, so abort loop here
+ isFound = false;
+ }
+ }
+
+ // Found one
+ return accessKey;
+ }
+
+ /**
+ * Private constructor
+ */
+ private ShopCustomerUtils () {
+ // Prevents making instances from utilities classes
+ }
+
+}
projects / jshop-core.git / commitdiff