src/org/mxchange/jcontactsbusiness/model/department/Departments.java

   1 /*
   2  * Copyright (C) 2017 Roland Häder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jcontactsbusiness.model.department;
  18
  19 import java.io.Serializable;
  20 import java.util.Objects;
  21
  22 /**
  23  * Utilities class for departments
  24  * <p>
  25  * @author Roland Häder<roland@mxchange.org>
  26  */
  27 public class Departments implements Serializable {
  28
  29         /**
  30          * Serial number
  31          */
  32         private static final long serialVersionUID = 20_154_686_786_561L;
  33
  34         /**
  35          * Checks if both departments are the same (entity) or if at least basic
  36          * company data and department name are matching.
  37          * <p>
  38          * @param department1 Department 1
  39          * @param department2 Department 2
  40          * <p>
  41          * @return Whether both are the same
  42          */
  43         public static boolean isSameDepartment (final Department department1, final Department department2) {
  44                 // Now check it
  45                 if (null == department1) {
  46                         // Throw NPE
  47                         throw new NullPointerException("department1 is null"); //NOI18N
  48                 } else if (null == department2) {
  49                         // Throw it again
  50                         throw new NullPointerException("department2 is null"); //NOI18N
  51                 } else if (Objects.equals(department1, department2)) {
  52                         // Same department
  53                         return true;
  54                 } else if (department1.getDepartmentCompany() == null) {
  55                         // Throw NPE again
  56                         throw new NullPointerException("department1.departmentCompany is null"); //NOI18N
  57                 } else if (department1.getDepartmentName() == null) {
  58                         // Throw it again
  59                         throw new NullPointerException("department1.departmentName is null"); //NOI18N
  60                 } else if (department1.getDepartmentName().isEmpty()) {
  61                         // Throw IAE
  62                         throw new IllegalArgumentException("department1.departmentName is empty"); //NOI18N
  63                 } else if (department2.getDepartmentCompany() == null) {
  64                         // Throw NPE again
  65                         throw new NullPointerException("department2.departmentCompany is null"); //NOI18N
  66                 } else if (department2.getDepartmentName() == null) {
  67                         // Throw it again
  68                         throw new NullPointerException("department2.departmentName is null"); //NOI18N
  69                 } else if (department2.getDepartmentName().isEmpty()) {
  70                         // Throw IAE
  71                         throw new IllegalArgumentException("department2.departmentName is empty"); //NOI18N
  72                 }
  73
  74                 // Same company and same name?
  75                 boolean isSame = ((Objects.equals(department1.getDepartmentCompany(), department2.getDepartmentCompany())) &&
  76                                                   (Objects.equals(department1.getDepartmentName(), department2.getDepartmentName())));
  77
  78                 // Return it
  79                 return isSame;
  80         }
  81
  82         /**
  83          * Private default constructor
  84          */
  85         private Departments () {
  86                 // Prevent instances from utilities classes
  87         }
  88
  89 }