added equals()/hashCode() for easier checking

[jproduct-core.git] / src / org / mxchange / jshopcore / model / customer / CustomerUtils.java

diff --git a/src/org/mxchange/jshopcore/model/customer/CustomerUtils.java b/src/org/mxchange/jshopcore/model/customer/CustomerUtils.java
index ce15d8f8df538c2327730b25eeb8ff917d9d94a6..d763937e536bd2962a3191bb19c470756102007d 100644 (file)
--- a/src/org/mxchange/jshopcore/model/customer/CustomerUtils.java
+++ b/src/org/mxchange/jshopcore/model/customer/CustomerUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Roland Haeder
+ * Copyright (C) 2016 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
@@ -27,27 +27,22 @@ import org.mxchange.jshopcore.model.order.ShopOrder;
 
 /**
  * An utilities class for customers
- *
+ * <p>
  * @author Roland Haeder
  */
 public class CustomerUtils extends BaseFrameworkSystem {
 
        /**
-        * No instance from this class
-        */
-       private CustomerUtils () {
-       }
-
-       /**
-        * Generates an unique customer number by checking is existence
-        *
+        * Generates an unique access key.
+        * <p>
         * @param em Entity manager instance
-        * @return Generated customer number (not used before)
-        * @throws java.sql.SQLException If any SQL error occured
+        * @param customer Customer instance
+        * <p>
+        * @return An unique access key
         */
-       public static String generateCustomerNumber (final EntityManager em) throws SQLException {
+       public static String generateAccessKey (final EntityManager em, final Customer customer) {
                // Trace message
-               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: connection={0} - CALLED!", connection));
+               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: connection={0} - CALLED!", connection));
 
                // em cannot be null
                if (null == em) {
@@ -58,53 +53,51 @@ public class CustomerUtils extends BaseFrameworkSystem {
                        throw new IllegalStateException("Entity manager is closed.");
                }
 
-               // Fake customer instance
-               Customer customer = null;
+               // Generate fake order instance
+               Orderable orderable = null;
 
-               // Generate number
-               String customerNumber = null;
+               // Generate access keyy
+               String accessKey = null;
 
                // Default is found
                boolean isFound = true;
-               long part1 = 0;
-               long part2 = 0;
 
                // Is the number used?
                while (isFound) {
                        // Both number parts
-                       part1 = Math.round(Math.random() * 100000);
-                       part2 = Math.round(Math.random() * 1000);
+                       String randString = String.format("%s:%s:%s", Long.toHexString(Math.round(Math.random() * 1_000_000)), em, customer.getCustomerNumber());
 
-                       // Generate new number
-                       customerNumber = String.format("%s-%s", part1, part2); //NOI18N
+                       // 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 it
+                       // Try this
                        try {
-                               // Get instance
-                               customer = em.getReference(ShopCustomer.class, customerNumber);
+                               // Get reference
+                               orderable = em.getReference(ShopOrder.class, accessKey);
                        } catch (final EntityNotFoundException ex) {
-                               // Not found
+                               // Not found, so abort loop here
                                isFound = false;
                        }
                }
 
                // Trace message
-               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: customerNumber={0} - EXIT!", customerNumber));
-
+               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: accessKey={0} - EXIT!", accessKey));
                // Found one
-               return customerNumber;
+               return accessKey;
        }
 
        /**
-        * Generates an unique access key.
-        *
+        * Generates an unique customer number by checking is existence
+        * <p>
         * @param em Entity manager instance
-        * @param customer Customer instance
-        * @return An unique access key
+        * <p>
+        * @return Generated customer number (not used before)
+        * <p>
+        * @throws java.sql.SQLException If any SQL error occured
         */
-       public static String generateAccessKey (final EntityManager em, final Customer customer) {
+       public static String generateCustomerNumber (final EntityManager em) throws SQLException {
                // Trace message
-               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: connection={0} - CALLED!", connection));
+               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: connection={0} - CALLED!", connection));
 
                // em cannot be null
                if (null == em) {
@@ -115,11 +108,8 @@ public class CustomerUtils extends BaseFrameworkSystem {
                        throw new IllegalStateException("Entity manager is closed.");
                }
 
-               // Generate fake order instance
-               Orderable orderable = null;
-
-               // Generate access keyy
-               String accessKey = null;
+               // Generate number
+               String customerNumber = null;
 
                // Default is found
                boolean isFound = true;
@@ -127,25 +117,31 @@ public class CustomerUtils extends BaseFrameworkSystem {
                // Is the number used?
                while (isFound) {
                        // Both number parts
-                       String randString = String.format("%s:%s:%s", Long.toHexString(Math.round(Math.random() * 1000000)), em, customer.getCustomerNumber());
+                       long part1 = Math.round(Math.random() * 100_000);
+                       long part2 = Math.round(Math.random() * 1_000);
 
-                       // Generate access key, use SHA512 hashing and BASE64-encoding for strong key generation
-                       accessKey = Base64.encodeBase64String(Sha2Crypt.sha512Crypt(randString.getBytes()).getBytes()).substring(0, 100);
+                       // Generate new number
+                       customerNumber = String.format("%s-%s", part1, part2); //NOI18N
 
-                       // Try this
+                       // Try it
                        try {
-                               // Get reference
-                               orderable = em.getReference(ShopOrder.class, accessKey);
+                               // Get instance
+                               Customer customer = em.getReference(ShopCustomer.class, customerNumber);
                        } catch (final EntityNotFoundException ex) {
-                               // Not found, so abort loop here
+                               // Not found
                                isFound = false;
                        }
                }
 
                // Trace message
-               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateAccessKey: accessKey={0} - EXIT!", accessKey));
-
+               // TODO: utils.getLogger().logTrace(MessageFormat.format("generateCustomerNumber: customerNumber={0} - EXIT!", customerNumber));
                // Found one
-               return accessKey;
+               return customerNumber;
+       }
+
+       /**
+        * No instance from this class
+        */
+       private CustomerUtils () {
        }
 }