/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.shrinkwrap.impl.base;
Validate
Validation utility
Author: Aslak Knutsen Version: $Revision: $
/**
* Validate
*
* Validation utility
*
* @author <a href="mailto:aslak@conduct.no">Aslak Knutsen</a>
* @version $Revision: $
*/
public final class Validate {
private Validate() {
}
Checks that object is not null, throws exception if it is.
Params: - obj –
The object to check
- message –
The exception message
Throws: - IllegalArgumentException –
Thrown if obj is null
/**
* Checks that object is not null, throws exception if it is.
*
* @param obj
* The object to check
* @param message
* The exception message
* @throws IllegalArgumentException
* Thrown if obj is null
*/
public static void notNull(final Object obj, final String message) throws IllegalArgumentException {
if (obj == null) {
throw new IllegalArgumentException(message);
}
}
Checks that the specified String is not null or empty, throws exception if it is.
Params: - string –
The object to check
- message –
The exception message
Throws: - IllegalArgumentException –
Thrown if obj is null
/**
* Checks that the specified String is not null or empty, throws exception if it is.
*
* @param string
* The object to check
* @param message
* The exception message
* @throws IllegalArgumentException
* Thrown if obj is null
*/
public static void notNullOrEmpty(final String string, final String message) throws IllegalArgumentException {
if (string == null || string.length() == 0) {
throw new IllegalArgumentException(message);
}
}
Checks that the specified array is not null or contain any null values.
Params: - objects –
The object to check
- message –
The exception message
/**
* Checks that the specified array is not null or contain any null values.
*
* @param objects
* The object to check
* @param message
* The exception message
*/
public static void notNullAndNoNullValues(final Object[] objects, final String message) {
notNull(objects, message);
for (Object object : objects) {
notNull(object, message);
}
}
}