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Parser of RSQL / FIQL (query language for RESTful APIs) written in JavaCC.

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/*
 * The MIT License
 *
 * Copyright 2013-2014 Jakub Jirutka .
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package cz.jirutka.rsql.parser.ast;

import java.util.Collection;

abstract class Assert {

    public static void isTrue(boolean expression, String message, Object... args) {
        if (!expression) {
            throw new IllegalArgumentException(String.format(message, args));
        }
    }

    public static void notNull(Object obj, String message, Object... args) {
        if (obj == null) {
            throw new IllegalArgumentException(String.format(message, args));
        }
    }

    public static void notEmpty(Collection col, String message, Object... args) {
        if (col == null || col.isEmpty()) {
            throw new IllegalArgumentException(String.format(message, args));
        }
    }

    public static void notEmpty(Object[] ary, String message, Object... args) {
        if (ary == null || ary.length == 0) {
            throw new IllegalArgumentException(String.format(message, args));
        }
    }

    public static void notBlank(String str, String message, Object... args) {
        if (StringUtils.isBlank(str)) {
            throw new IllegalArgumentException(String.format(message, args));
        }
    }
}