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/*******************************************************************************
* Copyright (c) 2011, 2017 SAP AG and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Lazar Kirchev, SAP AG - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.console.commands;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Dictionary;
import java.util.Hashtable;
import org.apache.felix.service.command.CommandProcessor;
import org.apache.felix.service.command.CommandSession;
import java.io.Closeable;
import org.osgi.framework.BundleContext;
/**
* This class implements functionality to disconnect from telnet or ssh console.
*/
public class DisconnectCommand {
private static final String CLOSEABLE = "CLOSEABLE";
private static final String DISCONNECT_MESSAGE = "Disconnect from console? (y/n; default=y) ";
private static final String DISCONNECT_CONFIRMATION_Y = "y";
private BundleContext context;
public DisconnectCommand(BundleContext context) {
this.context = context;
}
public void startService() {
Dictionary<String, Object> props = new Hashtable<>();
props.put(CommandProcessor.COMMAND_SCOPE, "equinox");
props.put(CommandProcessor.COMMAND_FUNCTION, new String[] {"disconnect"});
context.registerService(DisconnectCommand.class.getName(), this, props);
}
public void disconnect(CommandSession session) {
System.out.print(DISCONNECT_MESSAGE);
System.out.flush();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String reply = null;
try {
reply = reader.readLine();
} catch (IOException e) {
System.out.println("Error while reading confirmation");
}
if (reply != null) {
if (reply.toLowerCase().startsWith(DISCONNECT_CONFIRMATION_Y) || reply.length() == 0) {
Closeable closable = (Closeable)session.get(CLOSEABLE);
if (closable != null) {
try {
closable.close();
} catch (IOException e) {
e.printStackTrace();
}
return;
}
session.close();
}
}
}
}
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