org.wildfly.extras.config.internal.IllegalArgumentAssertion Maven / Gradle / Ivy
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* Copyright (C) 2010 - 2014 JBoss by Red Hat
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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package org.wildfly.extras.config.internal;
/**
* Legal argument assertions
*
* @author [email protected]
* @since 27-Sep-2013
*/
public final class IllegalArgumentAssertion {
// hide ctor
private IllegalArgumentAssertion() {
}
/**
* Throws an IllegalArgumentException when the given value is null.
* @param value the value to assert if not null
* @param name the name of the argument
* @param The generic type of the value to assert if not null
* @return the value
*/
public static T assertNotNull(T value, String name) {
if (value == null)
throw new IllegalArgumentException("Null " + name);
return value;
}
/**
* Throws an IllegalArgumentException when the given value is not true.
* @param value the value to assert if true
* @param message the message to display if the value is false
* @return the value
*/
public static Boolean assertTrue(Boolean value, String message) {
if (!Boolean.valueOf(value))
throw new IllegalArgumentException(message);
return value;
}
/**
* Throws an IllegalArgumentException when the given value is not false.
* @param value the value to assert if false
* @param message the message to display if the value is false
* @return the value
*/
public static Boolean assertFalse(Boolean value, String message) {
if (Boolean.valueOf(value))
throw new IllegalArgumentException(message);
return value;
}
}