tk.plogitech.darksky.forecast.util.Assert Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright 2017 Philipp-André Plogmann.
*
* 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 tk.plogitech.darksky.forecast.util;
/**
* Utility for validation of parameters.
*
* All methods throw an {@link IllegalArgumentException} if the tested assertion fails.
*
* @author Puls
*/
public final class Assert {
private Assert() {
// prevent construction of Utility class.
}
public static void notNullOrEmpty(String message, String string) {
notNull(message, string);
if (string.isEmpty()) {
throw new IllegalArgumentException(message);
}
}
public static void notNull(String message, Object... objects) {
if (objects == null) {
throw new IllegalArgumentException(message);
}
for (Object object : objects) {
if (object == null) {
throw new IllegalArgumentException(message);
}
}
}
public static void matches(String message, String string, String pattern) {
if (!string.matches(pattern)) {
throw new IllegalArgumentException(message + " Actual String " + string);
}
}
}