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/*
* ClientShell.java
*
* Copyright (c) 2013, The CRISTAL Consortium. All rights reserved.
*
* CRISTAL kernel is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see:
* http://www.gnu.org/licenses/
*/
package com.c2kernel.process;
import java.util.Scanner;
import com.c2kernel.entity.proxy.AgentProxy;
import com.c2kernel.scripting.Script;
public class ClientShell extends StandardClient {
AgentProxy user;
Script console;
public ClientShell(String username, String pass) throws Exception {
user = Gateway.connect(username, pass);
console = new Script("javascript", user, System.out);
}
public void run() {
Scanner scan = new Scanner(System.in);
System.out.print("> ");
while (scan.hasNextLine()) {
String command = scan.nextLine();
console.setScript(command);
try {
Object response = console.execute();
if (response == null)
System.out.println("Ok");
else
System.out.println(response);
} catch (Throwable ex) {
ex.printStackTrace();
}
System.out.print("> ");
}
close();
}
public static void main(String[] args) throws Exception {
Gateway.init(readC2KArgs(args));
Scanner scan = new Scanner(System.in);
int loginAttempts = 0;
ClientShell shell = null;
while (shell == null && loginAttempts++ < 3) {
System.out.print("User:");
String username = scan.nextLine();
System.out.print("Password:");
String pass = scan.nextLine();
try {
shell = new ClientShell(username, pass);
} catch (Exception ex) {
System.err.println(ex.getMessage());
}
}
if (shell == null) {
System.err.println("Bye");
System.exit(0);
}
shell.run();
}
}
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