libraryDone

package library;


/**
 *
 * @author Lowe
 */
public class Book implements java.io.Serializable{
    int storage;
    private String isbn;
    private String title;

public Book( String title, String isbn, int storage){
this.title = title;
this.isbn= isbn;
this.storage = storage;
}

public void returnB(int amount){
    this.storage += amount;
}
public void lend(int amount){
    if(storage > amount){
        this.storage -= amount;
    }
}

public int storage(){
return storage;
}

public String isbn(){
return isbn;
}

public String title(){
return title;
    }

public String toString(){
return "title: " + title   + "\n"+
        "isbn: " + isbn + "\n"+
        "storage: " + storage + "\n" +
        "-------------------";
        }
}


package library;

import java.util.*;


/**
 *
 * @author Lowe
 */
public class Library implements java.io.Serializable{
    private final ArrayList books = new ArrayList();


    /**
     * @param args the command line arguments
     */
    public void addBook(Book b){
    books.add(b);
    }


    public Book findBook(String isbn){

        for(int i=0; i<books.size() ; i++){
        Book temp = (Book)books.get(i);

        if(temp.isbn().equals(isbn)){
        return temp;
            }
        }
        return null;
    }

}


package library;

/**
 *
 * @author Lowe
 */
public class LibrarySystem {

    public static void main(String[] args){

        Book a1 = new Book ("Wikipedia vol 1","976-1-2-25756-34-1",4);
        Book a2 = new Book ("Bortom vind och horisont","978-1-23-45678-12",7);
        Book a3 = new Book ("Stinas Äventyr","978-21-30-26358-8",2);
        Book a4 = new Book ("Programmering 1 Java", "978-91-40-67710-5", 30);

        Library libraryN = new Library();

        libraryN.addBook(a1);
        libraryN.addBook(a2);
        libraryN.addBook(a3);
        libraryN.addBook(a4);

        Gui gui = new Gui(libraryN);

    }
}


package library;

/**
 *
 * @author Lowe
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;

public class Gui {

    private JFrame frame = new JFrame("Bibblan");
    private JPanel background, centerPanel, southPanel;
    private JLabel l_isbn,l_title, l_reclaim,l_lend,l_storage;
    private JTextField tf_isbn,tf_title, tf_reclaim,tf_lend,tf_storage;
    private JButton b_find,b_reclaim,b_lend,b_clear,b_newBook,b_save,b_load;
    private Book findB;
    private Library libraryN;


public Gui(Library l){
libraryN = l;
background = new JPanel();
background.setLayout((new BorderLayout()));
centerPanel = new JPanel();
background.setBorder(BorderFactory.createLineBorder(Color.BLUE,9,false));

centerPanel.setLayout((new GridLayout(5,2)));
southPanel = new JPanel();
southPanel.setLayout((new GridLayout(3,2)));

b_find = new JButton("find");
b_reclaim = new JButton("return");
b_lend = new JButton("lend");
b_clear = new JButton("clear");
b_newBook = new JButton("Add");
b_save = new JButton("save");
b_load = new JButton("load");

southPanel.add(b_find);
southPanel.add(b_reclaim);
southPanel.add(b_lend);
southPanel.add(b_clear);
southPanel.add(b_newBook);
southPanel.add(b_save);
southPanel.add(b_load);

l_isbn = new JLabel("isbn:");
l_title = new JLabel("title:");
l_reclaim = new JLabel("return:");
l_lend = new JLabel("lend:");
l_storage = new JLabel("storage:");

tf_isbn = new JTextField(12);
tf_title = new JTextField(12);
tf_reclaim = new JTextField(12);
tf_lend = new JTextField(12);
tf_storage = new JTextField(12);

centerPanel.add(l_isbn);
centerPanel.add(tf_isbn);
centerPanel.add(l_title);
centerPanel.add(tf_title);
centerPanel.add(l_reclaim);
centerPanel.add(tf_reclaim);
centerPanel.add(l_lend);
centerPanel.add(tf_lend);
centerPanel.add(l_storage);
centerPanel.add(tf_storage);

frame.setContentPane(background);
frame.pack();
frame.setVisible(true);

background.add(centerPanel,BorderLayout.CENTER);
background.add(southPanel,BorderLayout.SOUTH);

SaveHandler SL = new SaveHandler();
ClearHandler cl = new ClearHandler();
FindHandler fh = new FindHandler();
LendHandler LE = new LendHandler();
ReclaimHandler RE = new ReclaimHandler();
AddHandler AH = new AddHandler();
LoadHandler LO = new LoadHandler();

this.b_save.addActionListener(SL);
this.b_clear.addActionListener(cl);
this.b_lend.addActionListener(LE);
this.b_reclaim.addActionListener(RE);
this.b_find.addActionListener(fh);
this.b_newBook.addActionListener(AH);
this.b_load.addActionListener(LO);
this.libraryN = libraryN;

    }
private class ClearHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("clear");
        tf_isbn.setText("");
        tf_title.setText("");
        tf_storage.setText("");
        tf_lend.setText("");
        tf_reclaim.setText("");
    }
}
private class FindHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
       System.out.println("find");
        String sBNo= tf_isbn.getText();
        Book findBn = libraryN.findBook(sBNo);
        if(findBn!=null){
             tf_title.setText(findBn.title());
             tf_storage.setText(""+findBn.storage());
        }else JOptionPane.showMessageDialog(frame, "Doesn't exists");
    }
}
private class LendHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("lend");

    }
}
private class ReclaimHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("reclaim");
    }
}
private class AddHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("add");
        String title = tf_title.getText();
        String isbn = tf_isbn.getText();
        int amount = Integer.valueOf(tf_storage.getText());
        Book newBook = new Book(title,isbn, amount);
        libraryN.addBook(newBook);
        tf_reclaim.setText("");
        tf_storage.setText("" + newBook.storage);
    }
}
private class LoadHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("load");
        try{
        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream("library.srz")));
        libraryN=(Library)in.readObject();

        in.close();
        }catch(Exception e){
            e.printStackTrace();
        }
    }
}
private class SaveHandler implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("save");
        try{
            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream("library.srz")));
            out.writeObject(libraryN);
            out.close();

        }catch(Exception e){
            e.printStackTrace();
        }
    }

}


}