Mega Code Archive
Converts a Boolean to a boolean handling null
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/*
* 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 boolean handling <code>null</code>.</p>
*
* <pre>
* BooleanUtils.toBooleanDefaultIfNull(Boolean.TRUE, false) = true
* BooleanUtils.toBooleanDefaultIfNull(Boolean.FALSE, true) = false
* BooleanUtils.toBooleanDefaultIfNull(null, true) = true
* </pre>
*
* @param bool the boolean to convert
* @param valueIfNull the boolean value to return if <code>null</code>
* @return <code>true</code> or <code>false</code>
*/
public static boolean toBooleanDefaultIfNull(Boolean bool, boolean valueIfNull) {
if (bool == null) {
return valueIfNull;
}
return bool.booleanValue() ? true : false;
}
}
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