net.objectlab.kit.util.BooleanUtil Maven / Gradle / Ivy

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/*
 * ObjectLab, http://www.objectlab.co.uk/open is sponsoring the ObjectLab Kit.
 *
 * Based in London, we are world leaders in the design and development
 * of bespoke applications for the securities financing markets.
 *
 * Click here to learn more
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 *
 *                     www.ObjectLab.co.uk
 *
 * $Id: AbstractDateCalculator.java 309 2010-03-23 21:01:49Z marchy $
 *
 * Copyright 2006 the original author or authors.
 *
 * Licensed 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, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package net.objectlab.kit.util;

public final class BooleanUtil {
    private BooleanUtil() {
    }

    /**
     * If the boolean is not null and true, call the runnable/FunctionalInterface (depends on JDK8+)
     * @param bool
     * @param runnable
     * @return true if run
     * @since 1.4.0
     */
    public static boolean ifTrue(final Boolean bool, final Runnable runnable) {
        if (isTrue(bool)) {
            runnable.run();
            return true;
        }
        return false;
    }

    public static boolean isTrueOrNull(final Boolean b) {
        return b == null ? true : b;
    }

    public static boolean isFalseOrNull(final Boolean b) {
        return b == null ? true : !b;
    }

    public static boolean isTrue(final Boolean b) {
        return b == null ? false : b;
    }

    /**
     * @return true if string is Y,y,YES,yes,TRUE,true,T,t
     */
    public static boolean isTrue(final String str) {
        return str == null ? false : StringUtil.equalsAnyIgnoreCase(StringUtil.trim(str), "yes", "y", "TRUE", "t");
    }

    public static boolean isFalse(final Boolean b) {
        return b == null ? false : !b;
    }
}