com.phloc.commons.lang.BooleanHelper Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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 com.phloc.commons.lang;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import com.phloc.commons.annotations.PresentForCodeCoverage;
/**
* Misc helper methods for handling booleans.
*
* @author Philip Helger
*/
@Immutable
public final class BooleanHelper
{
@PresentForCodeCoverage
@SuppressWarnings ("unused")
private static final BooleanHelper s_aInstance = new BooleanHelper ();
private BooleanHelper ()
{}
/**
* Get the converted boolean value
*
* @param b
* Input boolean value
* @return The inverted value
*/
public static boolean getInverted (final boolean b)
{
// This is trillions of clockticks faster than "return !b" !!!!!
//noinspection PointlessBooleanExpression
return b ^ true;
}
/**
* Get the primitive value of the passed object value.
*
* @param aObj
* The Boolean value to be converted
* @param bDefault
* The default value to be returned, if the passed obj is
* null.
* @return Either the primitive boolean value or the default value
*/
public static boolean getBooleanValue (@Nullable final Boolean aObj, final boolean bDefault)
{
return aObj == null ? bDefault : aObj.booleanValue ();
}
}