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Java通過(guò)Telnet連接執(zhí)行shell腳本

/**

* commons-net-2.0.jar是工程依賴包

package telnet2;

import java.io.InputStream;

import java.io.PrintStream;

import org.apache.commons.net.telnet.TelnetClient;

/**

* @descript NetTelenet.java

* @author sinclair

* @date Jun 10, 2010

public class NetTelnet {

private TelnetClient telnet = new TelnetClient();

private InputStream in;

private PrintStream out;

private char prompt = '$';// 普通用戶結(jié)束

public NetTelnet( String ip, int port, String user, String password ) {

try {

telnet.connect( ip, port );

in = telnet.getInputStream();

out = new PrintStream( telnet.getOutputStream() );

// 根據(jù)root用戶設(shè)置結(jié)束符

this.prompt = user.equals( "root" ) ? '#' : '$';

} catch ( Exception e ) {

e.printStackTrace();

}

/**

* 登錄

* @param user

* @param password

public void login( String user, String password ) {

readUntil( "login:" );

write( user );

readUntil( "Password:" );

write( password );

readUntil( prompt + " " );

}

/**

* 讀取分析結(jié)果

* @param pattern

* @return

public String readUntil( String pattern ) {

try {

char lastChar = pattern.charAt( pattern.length() - 1 );

StringBuffer sb = new StringBuffer();

char ch = ( char ) in.read();

while ( true ) {

sb.append( ch );

if (ch == lastChar) {

if (sb.toString().endsWith( pattern )) {

return sb.toString();

}

ch = ( char ) in.read();

}

} catch ( Exception e ) {

e.printStackTrace();

}

return null;

}

/**

* 寫操作

* @param value

public void write( String value ) {

try {

out.println( value );

out.flush();

} catch ( Exception e ) {

e.printStackTrace();

}

/**

* 向目標(biāo)發(fā)送命令字符串

* @param command

* @return

public String sendCommand( String command ) {

try {

write( command );

return readUntil( prompt + " " );

} catch ( Exception e ) {

e.printStackTrace();

}

return null;

}

/**

* 關(guān)閉連接

public void disconnect() {

try {

telnet.disconnect();

} catch ( Exception e ) {

e.printStackTrace();

}

public static void main( String[] args ) {

try {

System.out.println( "啟動(dòng)Telnet..." );

String ip = "192.168.0.11";

int port = 23;

String user = "user";

String password = "111111";

NetTelnet telnet = new NetTelnet( ip, port, user, password );

telnet.sendCommand( "export LANG=en" );

String r1 = telnet.sendCommand( "cd /home/project/" );

String r2 = telnet.sendCommand( "pwd" );

String r3 = telnet.sendCommand( "sh a.sh" );

System.out.println( "顯示結(jié)果" );

System.out.println( r1 );

System.out.println( r2 );

System.out.println( r3 );

telnet.disconnect();

} catch ( Exception e ) {

e.printStackTrace();

}

posted on 2010-09-29 15:56 xzc 閱讀(4438) 評(píng)論(0) 編輯收藏所屬分類: Java 、linux/unix

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