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1 package net.sf.jftp.tools;
2
3 import java.awt.BorderLayout  ;
4 import java.awt.Color ;
5 import java.awt.Font ;
6 import java.awt.event.KeyAdapter ;
7 import java.awt.event.KeyEvent ;
8 import java.io.BufferedOutputStream ;
9 import java.io.BufferedReader ;
10 import java.io.IOException ;
11 import java.io.InputStream ;
12 import java.io.InputStreamReader ;
13 import java.io.OutputStream ;
14 import java.io.StreamTokenizer ;
15 import java.util.Vector ;
16
17 import javax.swing.JFrame ;
18 import javax.swing.JScrollBar ;
19 import javax.swing.JScrollPane ;
20 import javax.swing.JTextArea ;
21 import javax.swing.text.DefaultCaret ;
22
23 import net.sf.jftp.gui.framework.HFrame;
24 import net.sf.jftp.system.logging.Log;
25
26 public class Shell extends HFrame implements Runnable
27 {
28 BufferedOutputStream out;
29 BufferedReader in;
31 BufferedOutputStream err;
32 JTextArea text = new JTextArea (25, 101);
33
34 long off;
36 Thread runner;
37 JScrollPane textP;
38 String input = "";
39 Vector commands = new Vector ();
40 int currCmd = 0;
41
42 public Shell(InputStream in, OutputStream out)
43 {
44 try
45 {
46 this.in = new BufferedReader (new InputStreamReader (in));
47 this.out = new BufferedOutputStream (out);
48 init();
52 }
53 catch(Exception e)
54 {
55 e.printStackTrace();
56 Log.debug("ERROR: " + e.getMessage());
57 }
58 }
59
60
61 public Shell(BufferedReader in, OutputStream out)
62 {
63 try
64 {
65 this.in = in;
66 this.out = new BufferedOutputStream (out);
67 init();
71 }
72 catch(Exception e)
73 {
74 e.printStackTrace();
75 Log.debug("ERROR: " + e.getMessage());
76 }
77 }
78
79
80 public void init() throws Exception
81 {
82 setTitle("Shell");
83
84 setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
85
86 HFrame.fixLocation(this);
88
89 textP = new JScrollPane (text);
90 text.setFont(new Font ("Monospaced", Font.TRUETYPE_FONT, 10));
91
92 getContentPane().setLayout(new BorderLayout (5, 5));
93 getContentPane().add("Center", textP);
94
95 text.setEditable(false);
97 setBackground(text.getBackground());
98
99 DefaultCaret c = new DefaultCaret ();
100 c.setBlinkRate(1000);
101
102 text.setCaret(c);
103 text.setCaretColor(Color.BLACK);
104 c.setVisible(true);
105
106 text.setLineWrap(true);
107
108 text.addKeyListener(new KeyAdapter ()
109 {
110 public void keyPressed(KeyEvent e)
111 {
112 if((e.getKeyCode() == KeyEvent.VK_BACK_SPACE) &&
113 (input.length() > 0))
114 {
115 input = input.substring(0, input.length() - 1);
116
117 String t = text.getText();
118 t = t.substring(0, t.length() - 1);
119 text.setText(t);
120 }
121 else if(e.getKeyCode() == KeyEvent.VK_UP)
122 {
123 String t = text.getText();
124 t = t.substring(0, t.length() - input.length());
125
126 if((currCmd <= commands.size()) && (currCmd > 0))
127 {
128 currCmd--;
129
130 String cmd = (String ) commands.get(currCmd);
131 input = cmd.substring(0, cmd.length() - 1);
132 text.setText(t + input);
133 }
134 }
135 else if(e.getKeyCode() == KeyEvent.VK_DOWN)
136 {
137 String t = text.getText();
138 t = t.substring(0, t.length() - input.length());
139
140 if(((currCmd + 1) < commands.size()) && (currCmd >= 0))
141 {
142 currCmd++;
143
144 String cmd = (String ) commands.get(currCmd);
145 input = cmd.substring(0, cmd.length() - 1);
146 text.setText(t + input);
147 }
148 }
149 else if(e.getKeyCode() != KeyEvent.VK_SHIFT)
150 {
151 if(!e.isActionKey())
153 {
154 input += e.getKeyChar();
155 text.append("" + e.getKeyChar());
156 }
157 }
158
159 if(e.getKeyCode() == KeyEvent.VK_ENTER)
160 {
161 send();
162 }
163 }
164 });
165
166 pack();
167 HFrame.fixLocation(this);
168 setVisible(true);
169
170 runner = new Thread (this);
171 runner.start();
172
173 toFront();
174 text.requestFocus();
175 }
176
177 public void run()
178 {
179 try
180 {
181 char[] b = new char[4096];
182 int i;
183
184 while((i = in.read(b,0,b.length)) != StreamTokenizer.TT_EOF)
185 {
186 text.append(new String (b, 0, i));
187
188
195 while(text.getRows() > 500)
196 {
197 String t = text.getText();
198 t = t.substring(250);
199
200 text.setText(t);
201 }
203
204 try
205 {
206 Thread.sleep(100);
207 }
208 catch(Exception ex)
209 {
210 ex.printStackTrace();
211 }
212
213 JScrollBar bar = textP.getVerticalScrollBar();
214 bar.setValue(bar.getMaximum());
215
216 text.setCaretPosition(text.getText().length());
218 }
220
221 text.setEnabled(false);
222 }
223 catch(Exception ex)
224 {
225 ex.printStackTrace();
226 Log.debug("ERROR: " + ex.getMessage());
227 this.dispose();
228 }
229 }
230
231 private void send()
232 {
233 try
234 {
235 String msg = input;
236 input = "";
237
238 out.write(msg.getBytes());
239 out.flush();
240
241 commands.add(msg);
242 currCmd = commands.size();
243
244 }
246 catch(IOException ex)
247 {
248 ex.printStackTrace();
249 Log.debug("ERROR: " + ex.getMessage());
250 this.dispose();
251 }
252 }
253
254 public static void main(String [] argv)
255 {
256 try {
257 Process p = Runtime.getRuntime().exec(argv.length > 0 ? argv[0] : "/bin/bash");
258 new Shell(p.getInputStream(), p.getOutputStream());
259 }
260 catch(Exception ex) {
261 ex.printStackTrace();
262 }
263 }
264 }
265 |
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