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 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.hadoop.util.unit;

import java.util.Locale;

public abstract class Booleans {

    public static boolean parseBoolean(String value) {
        return parseBoolean(value, false);
    }

    public static boolean parseBoolean(String value, boolean defaultValue) {
        if (value == null) {
            return defaultValue;
        }
        String val = value.trim().toLowerCase(Locale.ROOT);
        return !(val.isEmpty() || val.equals("false") || val.equals("0") || val.equals("off") || val.equals("no"));
    }

}