com.mageddo.commons.Validate Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of toggle-first-core Show documentation

Enable and disable your features in production on a button click

There is a newer version: 1.4.9

package com.mageddo.commons;

import java.util.Collection;

/**
 * Common methods for checking method contracts.
 *
 * @author Christian Kaltepoth
 */
public final class Validate {

	private Validate() {
	}

	public static void notBlank(String s, String msg) {
		if (s == null || s.trim().length() == 0) {
			throw new IllegalArgumentException(msg);
		}
	}

	public static void notNull(Object o, String msg) {
		if (o == null) {
			throw new IllegalArgumentException(msg);
		}
	}

	public static void notEmpty(Collection c, String msg) {
		if (c == null || c.isEmpty()) {
			throw new IllegalArgumentException(msg);
		}
	}

	public static void isTrue(boolean b, String msg) {
		if (!b) {
			throw new IllegalArgumentException(msg);
		}
	}

}