/*
* Copyright (c) 2002-2008 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.util.shell;
/**
* Convenience main class for starting a client which connects to a remote
* server. Which port/name to connect to may be specified as arguments.
*/
public class StartRemoteClient extends AbstractStarter
{
/**
* Starts a client and connects to a remote server.
* @param args may contain RMI port/name to the server.
*/
public static void main( String[] args )
{
try
{
printGreeting( args );
ShellClient client = ShellLobby.newClient(
getPort( args ), getShellName( args ) );
setSessionVariablesFromArgs( client, args );
client.grabPrompt();
}
catch ( Exception e )
{
System.err.println( "Can't start client shell: " + e );
System.exit( 1 );
}
}
private static void printGreeting( String[] args )
{
if ( args.length == 0 )
{
System.out.println( "NOTE: No port or RMI name specified, using " +
"default port " + AbstractServer.DEFAULT_PORT + " and name '" +
AbstractServer.DEFAULT_NAME + "'." );
}
}
private static String getArg( String[] args, int index )
{
int counter = 0;
for ( String arg : args )
{
if ( !arg.startsWith( "-" ) )
{
if ( counter == index )
{
return arg;
}
counter++;
}
}
throw new ArrayIndexOutOfBoundsException();
}
private static int getPort( String[] args )
{
try
{
String arg = getArg( args, 0 );
return arg != null ? Integer.parseInt( arg ) :
AbstractServer.DEFAULT_PORT;
}
catch ( ArrayIndexOutOfBoundsException e )
// Intentionally let NumberFormat propagate out to user
{
return AbstractServer.DEFAULT_PORT;
}
}
private static String getShellName( String[] args )
{
try
{
String arg = getArg( args, 1 );
return arg != null ? arg : AbstractServer.DEFAULT_NAME;
}
catch ( ArrayIndexOutOfBoundsException e )
{
return AbstractServer.DEFAULT_NAME;
}
}
}