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

   1 /*
   2  * Copyright (C) 2017, 2018 Free Software Foundation
   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.text.MessageFormat;
  21 import java.util.Objects;
  22 import org.mxchange.jcontactsbusiness.model.branchoffice.BranchOffice;
  23 import org.mxchange.jcontactsbusiness.model.headquarter.Headquarter;
  24
  25 /**
  26  * Utilities class for departments
  27  * <p>
  28  * @author Roland Häder<roland@mxchange.org>
  29  */
  30 public class Departments implements Serializable {
  31
  32         /**
  33          * Serial number
  34          */
  35         private static final long serialVersionUID = 20_154_686_786_561L;
  36
  37         /**
  38          * Compares both department instances. This method returns -1 if second
  39          * instance is null.
  40          * <p>
  41          * @param department1 Department instance 1
  42          * @param department2 Department instance 2
  43          * <p>
  44          * @return Comparison value
  45          * <p>
  46          * @throws NullPointerException If first instance is null
  47          */
  48         public static int compare (final Department department1, final Department department2) {
  49                 // Check euqality, then at least first must be given
  50                 if (Objects.equals(department1, department2)) {
  51                         // Both are same
  52                         return 0;
  53                 } else if (null == department1) {
  54                         // First cannot be null
  55                         throw new NullPointerException("department1 is null"); //NOI18N
  56                 } else if (null == department2) {
  57                         // Second is null
  58                         return 1;
  59                 }
  60
  61                 // Invoke compareTo() method
  62                 return department1.compareTo(department2);
  63         }
  64
  65         /**
  66          * Checks if both departments are the same (entity) or if at least basic
  67          * company data and department name are matching.
  68          * <p>
  69          * @param department1 Department 1
  70          * @param department2 Department 2
  71          * <p>
  72          * @return Whether both are the same
  73          */
  74         public static boolean isSameDepartment (final Department department1, final Department department2) {
  75                 // Now check it
  76                 if (null == department1) {
  77                         // Throw NPE
  78                         throw new NullPointerException("department1 is null"); //NOI18N
  79                 } else if (null == department2) {
  80                         // Throw it again
  81                         throw new NullPointerException("department2 is null"); //NOI18N
  82                 } else if (Objects.equals(department1, department2)) {
  83                         // Same department
  84                         return true;
  85                 } else if (department1.getDepartmentCompany() == null) {
  86                         // Throw NPE again
  87                         throw new NullPointerException("department1.departmentCompany is null"); //NOI18N
  88                 } else if (department1.getDepartmentCompany().getBasicDataId() == null) {
  89                         // Throw NPE again
  90                         throw new NullPointerException("department1.departmentCompany.basicDataId is null"); //NOI18N
  91                 } else if (department1.getDepartmentCompany().getBasicDataId() < 1) {
  92                         // Throw NPE again
  93                         throw new NullPointerException(MessageFormat.format("department1.departmentCompany.basicDataId={0} is valid.", department1.getDepartmentCompany().getBasicDataId())); //NOI18N
  94                 } else if (department1.getDepartmentI18nKey() == null) {
  95                         // Throw it again
  96                         throw new NullPointerException("department1.departmentName is null"); //NOI18N
  97                 } else if (department1.getDepartmentI18nKey().isEmpty()) {
  98                         // Throw IAE
  99                         throw new IllegalArgumentException("department1.departmentName is empty"); //NOI18N
 100                 } else if (department2.getDepartmentCompany() == null) {
 101                         // Throw NPE again
 102                         throw new NullPointerException("department2.departmentCompany is null"); //NOI18N
 103                 } else if (department2.getDepartmentCompany().getBasicDataId() == null) {
 104                         // Throw NPE again
 105                         throw new NullPointerException("department2.departmentCompany.basicDataId is null"); //NOI18N
 106                 } else if (department2.getDepartmentCompany().getBasicDataId() < 1) {
 107                         // Throw NPE again
 108                         throw new NullPointerException(MessageFormat.format("department2.departmentCompany.basicDataId={0} is valid.", department2.getDepartmentCompany().getBasicDataId())); //NOI18N
 109                 } else if (department2.getDepartmentI18nKey() == null) {
 110                         // Throw it again
 111                         throw new NullPointerException("department2.departmentName is null"); //NOI18N
 112                 } else if (department2.getDepartmentI18nKey().isEmpty()) {
 113                         // Throw IAE
 114                         throw new IllegalArgumentException("department2.departmentName is empty"); //NOI18N
 115                 }
 116
 117                 // Same company and same name?
 118                 boolean isSame = ((Objects.equals(department1.getDepartmentCompany(), department2.getDepartmentCompany())) &&
 119                                                   (((department1.getDepartmentBranchOffice() instanceof BranchOffice) &&
 120                                                         (Objects.equals(department1.getDepartmentBranchOffice(), department2.getDepartmentBranchOffice()))) ||
 121                                                    ((department1.getDepartmentHeadquarter() instanceof Headquarter) &&
 122                                                         (Objects.equals(department1.getDepartmentHeadquarter(), department2.getDepartmentHeadquarter())))) &&
 123                                                   (Objects.equals(department1.getDepartmentI18nKey(), department2.getDepartmentI18nKey())));
 124
 125                 // Return it
 126                 return isSame;
 127         }
 128
 129         /**
 130          * Private default constructor
 131          */
 132         private Departments () {
 133                 // Prevent instances from utilities classes
 134         }
 135
 136 }