/**
* Copyright (C) 2010 STMicroelectronics
*
* This file is part of "Mind Compiler" 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 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Matthieu Leclercq
* Contributors:
*/
package org.ow2.mind.cli;
import java.util.Map;
import org.ow2.mind.plugin.util.Assert;
/**
* Handles "jobs" option. Registers value in context.
*/
public class JobsOptionHandler implements CommandOptionHandler {
/** The ID of the "jobs" option. */
public static final String JOBS_ID = "org.ow2.mind.mindc.Jobs";
private static final String JOBS_CONTEXT_KEY = "jobs";
/**
* Returns the number of concurrent jobs that has been registered in the given
* context.
*
* @param context the current context.
* @return the number of concurrent jobs (default is "1" if not jobs info is
* registered in context).
*/
public static int getJobs(final Map<Object, Object> context) {
final Integer jobs = (Integer) context.get(JOBS_CONTEXT_KEY);
return (jobs == null) ? 1 : jobs;
}
public void processCommandOption(final CmdOption cmdOption,
final CommandLine cmdLine, final Map<Object, Object> context)
throws InvalidCommandLineException {
Assert.assertEquals(cmdOption.getId(), JOBS_ID);
final CmdArgument jobOpt = Assert.assertInstanceof(cmdOption,
CmdArgument.class);
Integer jobs = null;
try {
jobs = Integer.decode(jobOpt.getValue(cmdLine));
} catch (final NumberFormatException e) {
throw new InvalidCommandLineException("Invalid jobs value '"
+ jobOpt.getValue(cmdLine) + "' is not a valid number", 1);
}
context.put(JOBS_CONTEXT_KEY, jobs);
}
}