java编_Java编写的Java编辑器_JavaIDE

ゝ一纸荒年。 2022-10-23 12:43 98阅读 0赞

importjava.awt.CardLayout;importjava.awt.Color;importjava.awt.GridLayout;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.WindowAdapter;importjava.awt.event.WindowEvent;importjava.io.BufferedInputStream;importjava.io.File;importjava.io.FileOutputStream;importjava.io.InputStream;importjavax.swing.JButton;importjavax.swing.JFrame;importjavax.swing.JLabel;importjavax.swing.JPanel;importjavax.swing.JTextArea;importjavax.swing.JTextField;public classJavaIDE \{public static voidmain(String\[\] args) \{

FileWindow win= newFileWindow();

win.pack();

win.addWindowListener(newWindowAdapter() \{public voidwindowClosing(WindowEvent e) \{

System.exit(0);

\});

win.setBounds(200, 180, 550, 360);

win.setVisible(true);

@SuppressWarnings("serial")class FileWindow extends JFrame implementsActionListener, Runnable \{

Thread compiler= null;

Thread run\_prom= null;boolean bn = true;

CardLayout mycard;

File file\_saved= null;

JButton button\_input\_text,

button\_compiler\_text, button\_compiler, button\_run\_prom, button\_see\_doswin;

JPanel p= newJPanel();

JTextArea input\_text= newJTextArea();

JTextArea compiler\_text= newJTextArea();

JTextArea dos\_out\_text= newJTextArea();

JTextField input\_file\_name\_text= newJTextField();

JTextField run\_file\_name\_text= newJTextField();publicFileWindow() \{super("JavaIDE");

mycard= newCardLayout();

compiler= new Thread(this);

run\_prom= new Thread(this);

button\_input\_text= new JButton("ProgramInput(white)");

button\_compiler\_text= new JButton("Compiler(pick)");

button\_see\_doswin= new JButton("Run(blue)");

button\_compiler= new JButton("compiler");

button\_run\_prom= new JButton("run");

p.setLayout(mycard);

p.add("input", input\_text);

p.add("compiler", compiler\_text);

p.add("dos", dos\_out\_text);

add(p,"Center");

compiler\_text.setBackground(Color.pink);

dos\_out\_text.setBackground(Color.cyan);

JPanel p1= newJPanel();

p1.setLayout(new GridLayout(3, 3));

p1.add(button\_input\_text);

p1.add(button\_compiler\_text);

p1.add(button\_see\_doswin);

p1.add(new JLabel("Input File Name(.java):"));

p1.add(input\_file\_name\_text);

p1.add(button\_compiler);

p1.add(new JLabel("Input Class Name"));

p1.add(run\_file\_name\_text);

p1.add(button\_run\_prom);

add(p1,"North");

button\_input\_text.addActionListener(this);

button\_compiler\_text.addActionListener(this);

button\_compiler.addActionListener(this);

button\_run\_prom.addActionListener(this);

button\_see\_doswin.addActionListener(this);

\}public voidrun() \{if (Thread.currentThread() ==compiler) \{

compiler\_text.setText(null);

String temp=input\_text.getText().trim();byte\[\] buffer =temp.getBytes();int b =buffer.length;

String file\_name= null;

file\_name=input\_file\_name\_text.getText().trim();try\{

file\_saved= newFile(file\_name);

FileOutputStream writefile= null;

writefile= newFileOutputStream(file\_saved);

writefile.write(buffer,0, b);

writefile.close();

\}catch(Exception e) \{

System.out.println("ERROR");

\}try\{

Runtime rt=Runtime.getRuntime();

InputStream in= rt.exec("javac " +file\_name).getErrorStream();

BufferedInputStream bufIn= newBufferedInputStream(in);byte\[\] shuzu = new byte\[100\];int n = 0;boolean flag = true;while ((n = bufIn.read(shuzu, 0, shuzu.length)) != -1) \{

String s= null;

s= new String(shuzu, 0, n);

compiler\_text.append(s);if (s != null) \{

flag= false;

\}if(flag) \{

compiler\_text.append("Compiler Succeed!");

\}catch(Exception e) \{

e.printStackTrace();

\}else if (Thread.currentThread() ==run\_prom) \{

dos\_out\_text.setText(null);try\{

Runtime rt=Runtime.getRuntime();

String path=run\_file\_name\_text.getText().trim();