|
1
2 import com.jcraft.jsch.*;
3 import java.awt.*;
4 import javax.swing.*;
5
6 public class Logger{
7 public static void main(String  [] arg){
8
9 try{
10 JSch.setLogger(new MyLogger());
11 JSch jsch=new JSch();
12
13 String host=JOptionPane.showInputDialog("Enter username@hostname",
14 System.getProperty("user.name")+
15 "@localhost");
16 String user=host.substring(0, host.indexOf('@'));
17 host=host.substring(host.indexOf('@')+1);
18
19 Session session=jsch.getSession(user, host, 22);
20
21 UserInfo ui=new MyUserInfo();
23 session.setUserInfo(ui);
24
25 session.connect();
26
27 Channel channel=session.openChannel("shell");
28
29 channel.setInputStream(System.in);
30 channel.setOutputStream(System.out);
31
32 channel.connect();
33 }
34 catch(Exception e){
35 System.out.println(e);
36 }
37 }
38
39 public static class MyLogger implements com.jcraft.jsch.Logger {
40 static java.util.Hashtable name=new java.util.Hashtable ();
41 static{
42 name.put(new Integer (DEBUG), "DEBUG: ");
43 name.put(new Integer (INFO), "INFO: ");
44 name.put(new Integer (WARN), "WARN: ");
45 name.put(new Integer (ERROR), "ERROR: ");
46 name.put(new Integer (FATAL), "FATAL: ");
47 }
48 public boolean isEnabled(int level){
49 return true;
50 }
51 public void log(int level, String message){
52 System.err.print(name.get(new Integer (level)));
53 System.err.println(message);
54 }
55 }
56
57 public static class MyUserInfo implements UserInfo, UIKeyboardInteractive{
58 public String getPassword(){ return passwd; }
59 public boolean promptYesNo(String str){
60 Object [] options={ "yes", "no" };
61 int foo=JOptionPane.showOptionDialog(null,
62 str,
63 "Warning",
64 JOptionPane.DEFAULT_OPTION,
65 JOptionPane.WARNING_MESSAGE,
66 null, options, options[0]);
67 return foo==0;
68 }
69
70 String passwd;
71 JTextField passwordField=(JTextField)new JPasswordField(20);
72
73 public String getPassphrase(){ return null; }
74 public boolean promptPassphrase(String message){ return true; }
75 public boolean promptPassword(String message){
76 Object [] ob={passwordField};
77 int result=JOptionPane.showConfirmDialog(null, ob, message,
78 JOptionPane.OK_CANCEL_OPTION);
79 if(result==JOptionPane.OK_OPTION){
80 passwd=passwordField.getText();
81 return true;
82 }
83 else{
84 return false;
85 }
86 }
87 public void showMessage(String message){
88 JOptionPane.showMessageDialog(null, message);
89 }
90 final GridBagConstraints gbc =
91 new GridBagConstraints(0,0,1,1,1,1,
92 GridBagConstraints.NORTHWEST,
93 GridBagConstraints.NONE,
94 new Insets(0,0,0,0),0,0);
95 private Container panel;
96 public String [] promptKeyboardInteractive(String destination,
97 String name,
98 String instruction,
99 String [] prompt,
100 boolean[] echo){
101 panel = new JPanel();
102 panel.setLayout(new GridBagLayout());
103
104 gbc.weightx = 1.0;
105 gbc.gridwidth = GridBagConstraints.REMAINDER;
106 gbc.gridx = 0;
107 panel.add(new JLabel(instruction), gbc);
108 gbc.gridy++;
109
110 gbc.gridwidth = GridBagConstraints.RELATIVE;
111
112 JTextField[] texts=new JTextField[prompt.length];
113 for(int i=0; i<prompt.length; i++){
114 gbc.fill = GridBagConstraints.NONE;
115 gbc.gridx = 0;
116 gbc.weightx = 1;
117 panel.add(new JLabel(prompt[i]),gbc);
118
119 gbc.gridx = 1;
120 gbc.fill = GridBagConstraints.HORIZONTAL;
121 gbc.weighty = 1;
122 if(echo[i]){
123 texts[i]=new JTextField(20);
124 }
125 else{
126 texts[i]=new JPasswordField(20);
127 }
128 panel.add(texts[i], gbc);
129 gbc.gridy++;
130 }
131
132 if(JOptionPane.showConfirmDialog(null, panel,
133 destination+": "+name,
134 JOptionPane.OK_CANCEL_OPTION,
135 JOptionPane.QUESTION_MESSAGE)
136 ==JOptionPane.OK_OPTION){
137 String [] response=new String [prompt.length];
138 for(int i=0; i<prompt.length; i++){
139 response[i]=texts[i].getText();
140 }
141 return response;
142 }
143 else{
144 return null; }
146 }
147 }
148 }
149
150
151 |
Popular Tags |
Java API By Example, From Geeks To Geeks.