Added users.json and basic UI implementation

books.json

@@ -1,8 +1,19 @@
-{
-  "0":
-  {
+{"0": {
+    "Status": "RENTED",
     "Title": "Cracking the Coding Interview",
-    "Status": "AVAILABLE",
-    "Due Date": [10, 10, 2010]
-  }
+    "Due Date": [
+        10,
+        10,
+        2010
+    ]
+},
+"1": {
+  "Status": "RENTED",
+  "Title": "Who was that?",
+  "Due Date": [
+    1,
+    1,
+    1
+  ]
+}
 }

src/main/java/libsys/Book.java

@@ -60,6 +60,11 @@ class Book
     return id;
   }
 
+  public int[] getDueDate()
+  {
+    return dueDate;
+  }
+
   public void setTitle(String title)
   {
     this.title = title;

src/main/java/libsys/BookFactory.java

@@ -26,12 +26,12 @@ class BookFactory
     id = 0;
   }
 
-  public BookFactory(String jsonFileName)
+  public BookFactory(String bookFilename)
   {
     try
     {
       System.out.println("Reading data from file...");
-      FileInputStream in = new FileInputStream(jsonFileName);
+      FileInputStream in = new FileInputStream(bookFilename);
       JSONObject obj = new JSONObject(new JSONTokener(in));
       String [] ids = JSONObject.getNames(obj);
       System.out.println();
@@ -53,11 +53,41 @@ class BookFactory
         books.add(new Book(id, title, status, dueDate));
       }
       System.out.println();
+
+      in.close();
     }
     catch (Exception ex)
     {
       System.out.println(ex.getMessage());
     }
+
+    id = getBook(books.size()-1).getId() + 1;
+  }
+
+  public void toJsonFile(String bookFilename)
+  {
+    try
+    {
+      PrintWriter out = new PrintWriter(bookFilename);
+      JSONObject booksObj = new JSONObject();
+      for (int i = 0; i < books.size(); i++)
+      {
+         Book book = books.get(i);
+         JSONObject bookObj = new JSONObject();
+         bookObj.put("Title", book.getTitle());
+         bookObj.put("Status", book.getStatus());
+         bookObj.put("Due Date", book.getDueDate());
+         booksObj.put(Integer.toString(book.getId()), bookObj);
+      }
+      out.println(booksObj.toString(4));
+      out.close();
+      System.out.println("Books exported to JSON file.");
+    }
+    catch (Exception e)
+    {
+      System.out.println("exception: " + e.getMessage());
+      e.printStackTrace();
+    }
   }
 
   public Book newBook(String title)

src/main/java/libsys/Handler.java

@@ -1,4 +1,8 @@
 package libsys;
+/*
+ *  Written by : Bin Hong Lee
+ *  Last edited : 5/28/2017
+ */
 
 import java.util.Calendar;
 import org.json.JSONObject;
@@ -10,6 +14,11 @@ class Handler
   UserFactory users = new UserFactory();
   Calendar cal;
 
+  public Handler()
+  {
+
+  }
+
   public boolean borrowBook(User user, Book book)
   {
     User newUser = user;
@@ -124,4 +133,19 @@ class Handler
 
     return currentDay;
   }
+
+  public String bookIdsToTitlesString(int[] bookIDs)
+  {
+    String titlesString = "";
+
+    for (int i = 0; i < bookIDs.length; i++)
+    {
+      titlesString += books.getBook(bookIDs[i]).getTitle();
+      titlesString += "; \n";
+    }
+
+    System.out.println(titlesString);
+
+    return titlesString;
+  }
 }

src/main/java/libsys/Main.java

@@ -6,10 +6,14 @@ package libsys;
 
 class Main
 {
+  static String bookFilename = "books.json";
+  static String userFilename = "users.json";
+
   public static void main(String[] args)
   {
     Handler handler = new Handler();
-    handler.books = new BookFactory("books.json");
+    handler.books = new BookFactory(bookFilename);
+    handler.users = new UserFactory(userFilename);
     new MainGUI(handler).setVisible(true);
   }
 }

src/main/java/libsys/MainGUI.java

@@ -18,8 +18,9 @@ public class MainGUI extends javax.swing.JFrame
   //GEN-BEGIN:initComponents
   private void initComponents()
   {
-    jPanel1 = new javax.swing.JPanel();
-    jTabbedPane1 = new javax.swing.JTabbedPane();
+    setExtendedState(javax.swing.JFrame.MAXIMIZED_BOTH);
+    mainPanel = new javax.swing.JPanel();
+    jTabbedPane = new javax.swing.JTabbedPane();
     bookPanel = new javax.swing.JPanel();
     bookMgtLabel = new javax.swing.JLabel();
     bookSearch = new javax.swing.JTextField();
@@ -91,12 +92,19 @@ public class MainGUI extends javax.swing.JFrame
             .addContainerGap(38, Short.MAX_VALUE))
     );
 
-    jTabbedPane1.addTab("Book", bookPanel);
+    jTabbedPane.addTab("Book", bookPanel);
 
     userMgtLabel.setFont(new java.awt.Font("Lucida Grande", 0, 18)); // NOI18N
     userMgtLabel.setText("User Management");
 
     userSearchBtn.setText("Search");
+    userSearchBtn.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent evt)
+      {
+        userSearchBtnActionPerformed(evt);
+      }
+    });
 
     userName.setText("Name : ");
 
@@ -147,22 +155,22 @@ public class MainGUI extends javax.swing.JFrame
             .addContainerGap(28, Short.MAX_VALUE))
     );
 
-    jTabbedPane1.addTab("User", userPanel);
+    jTabbedPane.addTab("User", userPanel);
 
-    javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
-    jPanel1.setLayout(jPanel1Layout);
-    jPanel1Layout.setHorizontalGroup(
-        jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-        .addGroup(jPanel1Layout.createSequentialGroup()
+    javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
+    mainPanel.setLayout(mainPanelLayout);
+    mainPanelLayout.setHorizontalGroup(
+        mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+        .addGroup(mainPanelLayout.createSequentialGroup()
             .addContainerGap()
-            .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+            .addComponent(jTabbedPane, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
             .addContainerGap(32, Short.MAX_VALUE))
     );
-    jPanel1Layout.setVerticalGroup(
-        jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-        .addGroup(jPanel1Layout.createSequentialGroup()
+    mainPanelLayout.setVerticalGroup(
+        mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+        .addGroup(mainPanelLayout.createSequentialGroup()
             .addContainerGap()
-            .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+            .addComponent(jTabbedPane, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
             .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
     );
 
@@ -172,13 +180,13 @@ public class MainGUI extends javax.swing.JFrame
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
             .addGap(0, 7, Short.MAX_VALUE)
-            .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+            .addComponent(mainPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
     );
     layout.setVerticalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
             .addGap(0, 0, Short.MAX_VALUE)
-            .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+            .addComponent(mainPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
             .addGap(0, 0, Short.MAX_VALUE))
     );
 
@@ -194,6 +202,15 @@ public class MainGUI extends javax.swing.JFrame
     bookStatus.setText("Status : " + thisBook.getStatus());
   }
 
+  private void userSearchBtnActionPerformed(ActionEvent evt)
+  {
+    User thisUser = handler.users.getUser(0);
+    userID.setText("ID : " + thisUser.getId());
+    userName.setText("Name : " + thisUser.getName());
+    userLimit.setText("Limit : " + thisUser.getLimit());
+    userBooks.setText("Books : " + handler.bookIdsToTitlesString(thisUser.bookStatus()));
+  }
+
   //GEN-BEGIN:variables
   private javax.swing.JLabel bookID;
   private javax.swing.JLabel bookMgtLabel;
@@ -202,8 +219,8 @@ public class MainGUI extends javax.swing.JFrame
   private javax.swing.JButton bookSearchBtn;
   private javax.swing.JLabel bookStatus;
   private javax.swing.JLabel bookTitle;
-  private javax.swing.JPanel jPanel1;
-  private javax.swing.JTabbedPane jTabbedPane1;
+  private javax.swing.JPanel mainPanel;
+  private javax.swing.JTabbedPane jTabbedPane;
   private javax.swing.JLabel userBooks;
   private javax.swing.JLabel userID;
   private javax.swing.JLabel userLimit;
@@ -213,6 +230,4 @@ public class MainGUI extends javax.swing.JFrame
   private javax.swing.JTextField userSearch;
   private javax.swing.JButton userSearchBtn;
   //GEN-END:variables
-
-
 }

src/main/java/libsys/User.java

@@ -1,7 +1,7 @@
 package libsys;
 /*
  *  Written by : Bin Hong Lee
- *  Last edited : 6/6/2016
+ *  Last edited : 5/28/2017
  */
 
 import java.util.*;
@@ -20,6 +20,14 @@ class User
     this.limit = limit;
   }
 
+  public User(String name, int id, int limit, ArrayList<Integer> books)
+  {
+    this.name = name;
+    this.id = id;
+    this.limit = limit;
+    this.books = books;
+  }
+
   public String getName()
   {
     return name;
@@ -30,6 +38,11 @@ class User
     return id;
   }
 
+  public int getLimit()
+  {
+    return limit;
+  }
+
   public void setName()
   {
     this.name = name;
@@ -45,9 +58,16 @@ class User
     return false;
   }
 
-  public List<Integer> bookStatus()
+  public int[] bookStatus()
   {
-    return books;
+    int[] currentBooks = new int[books.size()];
+
+    for (int i = 0; i < books.size(); i++)
+    {
+      currentBooks[i] = books.get(i).intValue();
+    }
+
+    return currentBooks;
   }
 
   public boolean borrowNewBook(int id)

src/main/java/libsys/UserFactory.java

@@ -1,10 +1,20 @@
 package libsys;
 /*
  *  Written by : Bin Hong Lee
- *  Last edited : 6/7/2016
+ *  Last edited : 5/28/2017
  */
 
-import java.util.*;
+ import java.util.List;
+ import java.util.ArrayList;
+ import org.json.JSONString;
+ import org.json.JSONObject;
+ import org.json.JSONTokener;
+ import org.json.JSONArray;
+ import java.io.FileInputStream;
+ import java.io.PrintWriter;
+ import java.io.File;
+ import java.util.Enumeration;
+ import java.io.Serializable;
 
 class UserFactory
 {
@@ -16,6 +26,41 @@ class UserFactory
     id = 0;
   }
 
+  public UserFactory(String userFilename)
+  {
+    try
+    {
+      FileInputStream in = new FileInputStream(userFilename);
+      JSONObject obj = new JSONObject(new JSONTokener(in));
+      String [] ids = JSONObject.getNames(obj);
+      System.out.println();
+
+      System.out.println("Parsing data into ArrayList...");
+      for (int i = 0; i < ids.length; i++)
+      {
+        JSONObject jsonUser = obj.getJSONObject(ids[i]);
+        int id = Integer.parseInt(ids[i]);
+        String name = jsonUser.getString("Name");
+        int limit = jsonUser.getInt("Limit");
+
+        JSONArray jsonBooks = jsonUser.getJSONArray("Books");
+        ArrayList<Integer> books = new ArrayList<Integer>();
+        for (int j = 0; j < jsonBooks.length(); j++)
+        {
+          books.add(Integer.parseInt(jsonBooks.get(j).toString()));
+        }
+
+        users.add(new User(name, id, limit, books));
+      }
+      System.out.println();
+      in.close();
+    }
+    catch (Exception ex)
+    {
+      System.out.println("Exception importing from json: " + ex.getMessage());
+    }
+  }
+
   public User newUser(String name, int limit)
   {
     User temp = new User(name, id, limit);

users.json

@@ -0,0 +1,9 @@
+{"0": {
+    "Name": "Whoever",
+    "Limit": "4",
+    "Books": [
+        0,
+        1
+    ]
+}
+}