|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* <p>Operations on boolean primitives and Boolean objects.</p>
*
* <p>This class tries to handle <code>null</code> input gracefully.
* An exception will not be thrown for a <code>null</code> input.
* Each method documents its behaviour in more detail.</p>
*
* @author Stephen Colebourne
* @author Matthew Hawthorne
* @author Gary Gregory
* @since 2.0
* @version $Id: BooleanUtils.java 589050 2007-10-27 05:07:45Z bayard $
*/
public class Main {
/**
* <p>Converts a Boolean to a Integer using the convention that
* <code>zero</code> is <code>false</code>.</p>
*
* <p><code>null</code> will be converted to <code>null</code>.</p>
*
* <pre>
* BooleanUtils.toIntegerObject(Boolean.TRUE) = new Integer(1)
* BooleanUtils.toIntegerObject(Boolean.FALSE) = new Integer(0)
* </pre>
*
* @param bool the Boolean to convert
* @return one if Boolean.TRUE, zero if Boolean.FALSE, <code>null</code> if <code>null</code>
*/
public static Integer toIntegerObject(Boolean bool) {
if (bool == null) {
return null;
}
return bool.booleanValue() ? 1 : 0;
}
}
|