QualifierTypeConverter.java

/*
*
* RHQ Sync Tool
* Copyright (C) 2012-2013 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/

package org.jboss.rhq.sync.tool.cli;

import com.beust.jcommander.IStringConverter;
import com.beust.jcommander.ParameterException;

/**
 * 
 * @author Romain PELISSE - <belaran@redhat.com>
 *
 */
public class QualifierTypeConverter implements IStringConverter<QualifierType> {

	@Override
	public QualifierType convert(String parameter) {
		if ( parameter == null || "".equals(parameter) ) 
			throw new ParameterException(new NullPointerException());
		for ( QualifierType qualifier : QualifierType.values())
			if ( qualifier.toString().equalsIgnoreCase(parameter) )
				return qualifier;
		throw new UnsupportedOperationException("Unsupported qualifier:" + parameter);
	}
}