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 * The contents of this file are subject to the terms of either the Universal Permissive License
 * v 1.0 as shown at http://oss.oracle.com/licenses/upl
 *
 * or the following license:
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package org.openjdk.jmc.commands.internal.parser;

import java.text.ParseException;

import org.openjdk.jmc.commands.Parameter;
import org.openjdk.jmc.commands.Token;

/**
 * Class that parses a boolean value
 */
final class BooleanParser extends ParameterParser {
	public static final String ID = "boolean"; //$NON-NLS-1$

	BooleanParser(Parameter parameter) {
		super(parameter);
	}

	@Override
	boolean acceptValue(String value) {
		if (value.equals(Boolean.TRUE.toString())) {
			return true;
		}
		if (value.equals(Boolean.FALSE.toString())) {
			return true;
		}
		return false;
	}

	@Override
	protected Object parseValue(Token parameterToken, String text) throws ParseException {
		if (Boolean.TRUE.toString().equals(text)) {
			return Boolean.TRUE;
		}
		if (Boolean.FALSE.toString().equals(text)) {
			return Boolean.FALSE;
		}
		throw new ParserException("Boolean value must be true or false.", parameterToken); //$NON-NLS-1$
	}
}
