Now creates new json if it doesn't exist and allow to create new user through UI

.gitignore

@@ -1,3 +1,5 @@
+*.json
+
 .classpath
 effective.pom
 *.class
@@ -6,6 +8,7 @@ target
 .mtj.tmp/
 
 # Package Files #
+*.jar
 *.war
 *.ear
 

books.json

@@ -1,20 +0,0 @@
-{
-    "0": {
-        "Status": "RENTED",
-        "Title": "Cracking the Coding Interview",
-        "Due Date": [
-            2017,
-            6,
-            8
-        ]
-    },
-    "1": {
-        "Status": "AVAILABLE",
-        "Title": "Who was that?",
-        "Due Date": [
-            2017,
-            6,
-            8
-        ]
-    }
-}

src/main/java/libsys/BookFactory.java

@@ -1,7 +1,7 @@
 package libsys;
 /*
  *  Written by : Bin Hong Lee
- *  Last edited : 5/28/2017
+ *  Last edited : 5/30/2017
  */
 
 import java.util.List;
@@ -20,6 +20,7 @@ class BookFactory
 {
   private List<Book> books = new ArrayList<Book>();
   private int id;
+  private String bookFilename;
 
   public BookFactory()
   {
@@ -56,10 +57,11 @@ class BookFactory
       System.out.println(ex.getMessage());
     }
 
+    this.bookFilename = bookFilename;
     id = getBook(books.size()-1).getId() + 1;
   }
 
-  public void toJsonFile(String bookFilename)
+  public void toJsonFile()
   {
     try
     {
@@ -84,12 +86,18 @@ class BookFactory
     }
   }
 
+  public void setBookFileName(String bookFilename)
+  {
+    this.bookFilename = bookFilename;
+  }
+
   public Book newBook(String title)
   {
     Book temp = new Book(title, id);
     books.add(temp);
 
     id++;
+    toJsonFile();
 
     return temp;
   }
@@ -132,5 +140,7 @@ class BookFactory
         books.set(i, newBook);
       }
     }
+
+    toJsonFile();
   }
 }

src/main/java/libsys/Handler.java

@@ -10,8 +10,8 @@ import org.json.JSONObject;
 class Handler
 {
   Exception BookNotFound = new Exception("Error 404 : Book not found");
-  BookFactory books = new BookFactory();
-  UserFactory users = new UserFactory();
+  BookFactory books;
+  UserFactory users;
   Calendar cal = Calendar.getInstance();
 
   public Handler()
@@ -29,9 +29,6 @@ class Handler
       books.update(book, newBook);
       users.update(user, newUser);
 
-      books.toJsonFile("books.json");
-      users.toJsonFile("users.json");
-
       return true;
     }
 
@@ -50,9 +47,6 @@ class Handler
       books.update(book, newBook);
       users.update(user, newUser);
 
-      books.toJsonFile("books.json");
-      users.toJsonFile("users.json");
-
       return true;
     }
 

src/main/java/libsys/Main.java

@@ -1,7 +1,7 @@
 package libsys;
 /*
  *  Written by : Bin Hong Lee
- *  Last edited : 5/28/2017
+ *  Last edited : 5/30/2017
  */
 
 class Main
@@ -12,8 +12,29 @@ class Main
   public static void main(String[] args)
   {
     Handler handler = new Handler();
-    handler.books = new BookFactory(bookFilename);
-    handler.users = new UserFactory(userFilename);
+
+    try
+    {
+      handler.books = new BookFactory(bookFilename);
+    }
+    catch (Exception e)
+    {
+      System.out.println("Book Exception");
+      handler.books = new BookFactory();
+      handler.books.setBookFileName(bookFilename);
+    }
+
+    try
+    {
+      handler.users = new UserFactory(userFilename);
+    }
+    catch (Exception e)
+    {
+      System.out.println("User Exception");
+      handler.users = new UserFactory();
+      handler.users.setUserFileName(userFilename);
+    }
+
     new MainGUI(handler).setVisible(true);
   }
 }

src/main/java/libsys/MainGUI.form

@@ -74,8 +74,8 @@
               <Group type="102" alignment="1" attributes="0">
                   <EmptySpace max="-2" attributes="0"/>
                   <Component id="nameLabel" min="-2" pref="59" max="-2" attributes="0"/>
-                  <EmptySpace max="-2" attributes="0"/>
-                  <Component id="jTabbedPane" min="-2" pref="290" max="-2" attributes="0"/>
+                  <EmptySpace type="unrelated" max="-2" attributes="0"/>
+                  <Component id="jTabbedPane" min="-2" max="-2" attributes="0"/>
                   <EmptySpace min="-2" pref="10" max="-2" attributes="0"/>
                   <Group type="103" groupAlignment="3" attributes="0">
                       <Component id="createBookBtn" alignment="3" max="32767" attributes="0"/>
@@ -144,7 +144,7 @@
                           <Component id="bookStatus" min="-2" max="-2" attributes="0"/>
                           <EmptySpace type="unrelated" max="-2" attributes="0"/>
                           <Component id="bookDueDate" min="-2" max="-2" attributes="0"/>
-                          <EmptySpace pref="94" max="32767" attributes="0"/>
+                          <EmptySpace pref="88" max="32767" attributes="0"/>
                       </Group>
                   </Group>
                 </DimensionLayout>
@@ -336,6 +336,9 @@
           <Properties>
             <Property name="text" type="java.lang.String" value="Add new user"/>
           </Properties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="createUserBtnActionPerformed"/>
+          </Events>
         </Component>
       </SubComponents>
     </Container>

src/main/java/libsys/MainGUI.java

@@ -103,7 +103,7 @@ public class MainGUI extends javax.swing.JFrame
                 .addComponent(bookStatus)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                 .addComponent(bookDueDate)
-                .addContainerGap(94, Short.MAX_VALUE))
+                .addContainerGap(88, Short.MAX_VALUE))
         );
 
         jTabbedPane.addTab("Book", bookPanel);
@@ -198,6 +198,11 @@ public class MainGUI extends javax.swing.JFrame
         createBookBtn.setText("Add new book");
 
         createUserBtn.setText("Add new user");
+        createUserBtn.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                createUserBtnActionPerformed(evt);
+            }
+        });
 
         javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
         mainPanel.setLayout(mainPanelLayout);
@@ -222,8 +227,8 @@ public class MainGUI extends javax.swing.JFrame
             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                 .addContainerGap()
                 .addComponent(nameLabel, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(jTabbedPane, javax.swing.GroupLayout.PREFERRED_SIZE, 290, javax.swing.GroupLayout.PREFERRED_SIZE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addComponent(jTabbedPane, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addGap(10, 10, 10)
                 .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                     .addComponent(createBookBtn, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
@@ -266,6 +271,17 @@ public class MainGUI extends javax.swing.JFrame
         }
     }//GEN-LAST:event_returnBtnActionPerformed
 
+    private void createUserBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_createUserBtnActionPerformed
+        NewUserDialog newUserUI = new NewUserDialog(this, true);
+        newUserUI.setVisible(true);
+        
+        if (newUserUI.getReturnStatus() != -1)
+        {
+            userSearch.setText(String.valueOf(handler.users.newUser(newUserUI.getName(), newUserUI.getLimit()).getId()));
+            userSearchBtnActionPerformed(evt);
+        }
+    }//GEN-LAST:event_createUserBtnActionPerformed
+
     private void rentBtnActionPerformed(java.awt.event.ActionEvent evt)
     {
         User thisUser = handler.users.getUser(Integer.parseInt(userSearch.getText()));

src/main/java/libsys/NewUserDialog.form

@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JDialogFormInfo">
+  <Properties>
+    <Property name="defaultCloseOperation" type="int" value="2"/>
+  </Properties>
+  <SyntheticProperties>
+    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
+    <SyntheticProperty name="generateCenter" type="boolean" value="false"/>
+  </SyntheticProperties>
+  <AuxValues>
+    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
+    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
+    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
+  </AuxValues>
+
+  <Layout>
+    <DimensionLayout dim="0">
+      <Group type="103" groupAlignment="0" attributes="0">
+          <Group type="102" attributes="0">
+              <EmptySpace max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="0" attributes="0">
+                  <Group type="102" alignment="0" attributes="0">
+                      <Component id="createBtn" min="-2" max="-2" attributes="0"/>
+                      <EmptySpace pref="13" max="32767" attributes="0"/>
+                      <Component id="cancelBtn" min="-2" max="-2" attributes="0"/>
+                  </Group>
+                  <Group type="102" attributes="0">
+                      <Group type="103" groupAlignment="0" attributes="0">
+                          <Component id="title" alignment="0" min="-2" max="-2" attributes="0"/>
+                          <Component id="errorLbl" alignment="0" min="-2" max="-2" attributes="0"/>
+                      </Group>
+                      <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
+                  </Group>
+                  <Group type="102" alignment="0" attributes="0">
+                      <Group type="103" groupAlignment="0" attributes="0">
+                          <Component id="limitLbl" alignment="0" min="-2" max="-2" attributes="0"/>
+                          <Component id="nameLbl" alignment="0" min="-2" max="-2" attributes="0"/>
+                      </Group>
+                      <EmptySpace type="unrelated" max="-2" attributes="0"/>
+                      <Group type="103" groupAlignment="0" attributes="0">
+                          <Component id="nameTxtField" max="32767" attributes="0"/>
+                          <Component id="limitTxtField" max="32767" attributes="0"/>
+                      </Group>
+                  </Group>
+              </Group>
+              <EmptySpace max="-2" attributes="0"/>
+          </Group>
+      </Group>
+    </DimensionLayout>
+    <DimensionLayout dim="1">
+      <Group type="103" groupAlignment="0" attributes="0">
+          <Group type="102" alignment="0" attributes="0">
+              <EmptySpace max="-2" attributes="0"/>
+              <Component id="title" min="-2" max="-2" attributes="0"/>
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Component id="errorLbl" min="-2" max="-2" attributes="0"/>
+              <EmptySpace type="unrelated" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="nameLbl" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="nameTxtField" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace type="separate" max="-2" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="limitLbl" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="limitTxtField" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace pref="12" max="32767" attributes="0"/>
+              <Group type="103" groupAlignment="3" attributes="0">
+                  <Component id="createBtn" alignment="3" min="-2" max="-2" attributes="0"/>
+                  <Component id="cancelBtn" alignment="3" min="-2" max="-2" attributes="0"/>
+              </Group>
+              <EmptySpace max="-2" attributes="0"/>
+          </Group>
+      </Group>
+    </DimensionLayout>
+  </Layout>
+  <SubComponents>
+    <Component class="javax.swing.JLabel" name="title">
+      <Properties>
+        <Property name="font" type="java.awt.Font" editor="org.netbeans.beaninfo.editors.FontEditor">
+          <Font name="Lucida Grande" size="18" style="0"/>
+        </Property>
+        <Property name="text" type="java.lang.String" value="New User"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="nameLbl">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Name :"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JLabel" name="limitLbl">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Limit :"/>
+      </Properties>
+    </Component>
+    <Component class="javax.swing.JButton" name="createBtn">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Create user"/>
+      </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="createBtnActionPerformed"/>
+      </Events>
+    </Component>
+    <Component class="javax.swing.JButton" name="cancelBtn">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Cancel"/>
+      </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="cancelBtnActionPerformed"/>
+      </Events>
+    </Component>
+    <Component class="javax.swing.JTextField" name="nameTxtField">
+    </Component>
+    <Component class="javax.swing.JTextField" name="limitTxtField">
+    </Component>
+    <Component class="javax.swing.JLabel" name="errorLbl">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="LIMIT MUST BE NUMERICAL!"/>
+      </Properties>
+      <AuxValues>
+        <AuxValue name="JavaCodeGenerator_InitCodePre" type="java.lang.String" value="errorLbl.setVisible(false);"/>
+      </AuxValues>
+    </Component>
+  </SubComponents>
+</Form>

src/main/java/libsys/NewUserDialog.java

@@ -0,0 +1,208 @@
+package libsys;
+
+/**
+ *
+ * @author binhonglee
+ */
+public class NewUserDialog extends javax.swing.JDialog {
+
+    /**
+     * Creates new form NewUserDialog
+     */
+    public NewUserDialog(java.awt.Frame parent, boolean modal) {
+        super(parent, modal);
+        initComponents();
+    }
+    
+    /**
+     * @return the return status of this dialog - one of RET_OK or RET_CANCEL
+     */
+    public int getReturnStatus() {
+        return returnStatus;
+    }
+    
+    public String getName() {
+        return name;
+    }
+    
+    public int getLimit()
+    {
+        return limit;
+    }
+
+    /**
+     * This method is called from within the constructor to initialize the form.
+     * WARNING: Do NOT modify this code. The content of this method is always
+     * regenerated by the Form Editor.
+     */
+    @SuppressWarnings("unchecked")
+    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
+    private void initComponents() {
+
+        title = new javax.swing.JLabel();
+        nameLbl = new javax.swing.JLabel();
+        limitLbl = new javax.swing.JLabel();
+        createBtn = new javax.swing.JButton();
+        cancelBtn = new javax.swing.JButton();
+        nameTxtField = new javax.swing.JTextField();
+        limitTxtField = new javax.swing.JTextField();
+        errorLbl = new javax.swing.JLabel();
+
+        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
+
+        title.setFont(new java.awt.Font("Lucida Grande", 0, 18)); // NOI18N
+        title.setText("New User");
+
+        nameLbl.setText("Name :");
+
+        limitLbl.setText("Limit :");
+
+        createBtn.setText("Create user");
+        createBtn.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                createBtnActionPerformed(evt);
+            }
+        });
+
+        cancelBtn.setText("Cancel");
+        cancelBtn.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                cancelBtnActionPerformed(evt);
+            }
+        });
+
+        errorLbl.setVisible(false);
+        errorLbl.setText("LIMIT MUST BE NUMERICAL!");
+
+        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
+        getContentPane().setLayout(layout);
+        layout.setHorizontalGroup(
+            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGroup(layout.createSequentialGroup()
+                .addContainerGap()
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(createBtn)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 13, Short.MAX_VALUE)
+                        .addComponent(cancelBtn))
+                    .addGroup(layout.createSequentialGroup()
+                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                            .addComponent(title)
+                            .addComponent(errorLbl))
+                        .addGap(0, 0, Short.MAX_VALUE))
+                    .addGroup(layout.createSequentialGroup()
+                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                            .addComponent(limitLbl)
+                            .addComponent(nameLbl))
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                            .addComponent(nameTxtField)
+                            .addComponent(limitTxtField))))
+                .addContainerGap())
+        );
+        layout.setVerticalGroup(
+            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGroup(layout.createSequentialGroup()
+                .addContainerGap()
+                .addComponent(title)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addComponent(errorLbl)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(nameLbl)
+                    .addComponent(nameTxtField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+                .addGap(18, 18, 18)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(limitLbl)
+                    .addComponent(limitTxtField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 12, Short.MAX_VALUE)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(createBtn)
+                    .addComponent(cancelBtn))
+                .addContainerGap())
+        );
+
+        pack();
+    }// </editor-fold>//GEN-END:initComponents
+
+    private void createBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_createBtnActionPerformed
+        try
+        {
+            limit = Integer.parseInt(limitTxtField.getText());
+            name = nameTxtField.getText();
+            doClose(1);
+        }
+        catch (Exception e)
+        {
+            errorLbl.setVisible(true);
+        }
+    }//GEN-LAST:event_createBtnActionPerformed
+
+    private void cancelBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelBtnActionPerformed
+        doClose(-1);
+    }//GEN-LAST:event_cancelBtnActionPerformed
+    
+    private void doClose(int retStatus) {
+        returnStatus = retStatus;
+        setVisible(false);
+        dispose();
+    }
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String args[]) {
+        /* Set the Nimbus look and feel */
+        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
+        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
+         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
+         */
+        try {
+            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
+                if ("Nimbus".equals(info.getName())) {
+                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
+                    break;
+                }
+            }
+        } catch (ClassNotFoundException ex) {
+            java.util.logging.Logger.getLogger(NewUserDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+        } catch (InstantiationException ex) {
+            java.util.logging.Logger.getLogger(NewUserDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+        } catch (IllegalAccessException ex) {
+            java.util.logging.Logger.getLogger(NewUserDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
+            java.util.logging.Logger.getLogger(NewUserDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+        }
+        //</editor-fold>
+
+        /* Create and display the dialog */
+        java.awt.EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                NewUserDialog dialog = new NewUserDialog(new javax.swing.JFrame(), true);
+                dialog.addWindowListener(new java.awt.event.WindowAdapter() {
+                    @Override
+                    public void windowClosing(java.awt.event.WindowEvent e) {
+                        System.exit(0);
+                    }
+                });
+                dialog.setVisible(true);
+            }
+        });
+    }
+
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JButton cancelBtn;
+    private javax.swing.JButton createBtn;
+    private javax.swing.JLabel errorLbl;
+    private javax.swing.JLabel limitLbl;
+    private javax.swing.JTextField limitTxtField;
+    private javax.swing.JLabel nameLbl;
+    private javax.swing.JTextField nameTxtField;
+    private javax.swing.JLabel title;
+    // End of variables declaration//GEN-END:variables
+
+    private int returnStatus = -1;
+    private String name;
+    private int limit;
+
+}

src/main/java/libsys/UserFactory.java

@@ -1,7 +1,7 @@
 package libsys;
 /*
  *  Written by : Bin Hong Lee
- *  Last edited : 5/28/2017
+ *  Last edited : 5/30/2017
  */
 
  import java.util.List;
@@ -20,6 +20,7 @@ class UserFactory
 {
   private List<User> users = new ArrayList<User>();
   private int id;
+  private String userFilename;
 
   public UserFactory()
   {
@@ -57,10 +58,11 @@ class UserFactory
       System.out.println("Exception importing from json: " + ex.getMessage());
     }
 
+    this.userFilename = userFilename;
     id = getUser(users.size()-1).getId() + 1;
   }
 
-  public void toJsonFile(String userFilename)
+  public void toJsonFile()
   {
     try
     {
@@ -85,12 +87,18 @@ class UserFactory
     }
   }
 
+  public void setUserFileName(String userFilename)
+  {
+    this.userFilename = userFilename;
+  }
+
   public User newUser(String name, int limit)
   {
     User temp = new User(name, id, limit);
     users.add(temp);
 
     id++;
+    toJsonFile();
 
     return temp;
   }
@@ -136,5 +144,7 @@ class UserFactory
         users.set(i, newUser);
       }
     }
+
+    toJsonFile();
   }
 }

users.json

@@ -1,12 +0,0 @@
-{
-    "0": {
-        "Limit": 2,
-        "Books": [],
-        "Name": "FirstName LastName"
-    },
-    "1": {
-        "Limit": 100,
-        "Books": [0],
-        "Name": "John Doe"
-    }
-}