package org.graylog2.syslog4j.util;

public final class Preconditions {
    private Preconditions() {
    }

    public static void checkArgument(boolean expression) {
        if (!expression) {
            throw new IllegalArgumentException();
        }
    }

    public static void checkArgument(boolean expression, Object errorMessage) {
        if (!expression) {
            throw new IllegalArgumentException(String.valueOf(errorMessage));
        }
    }

    public static void checkArgument(boolean expression,
                                     String errorMessageTemplate,
                                     Object... errorMessageArgs) {
        if (!expression) {
            throw new IllegalArgumentException(String.format(errorMessageTemplate, errorMessageArgs));
        }
    }
}