/*
* Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
/*
* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file:
*
* The MIT License
*
* Copyright (c) 2004-2014 Paul R. Holser, Jr.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package jdk.internal.joptsimple.internal;
import java.util.HashMap;
import java.util.Map;
/**
* @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
*/
public final class Classes {
private static final Map<Class<?>, Class<?>> WRAPPERS = new HashMap<Class<?>, Class<?>>( 13 );
static {
WRAPPERS.put( boolean.class, Boolean.class );
WRAPPERS.put( byte.class, Byte.class );
WRAPPERS.put( char.class, Character.class );
WRAPPERS.put( double.class, Double.class );
WRAPPERS.put( float.class, Float.class );
WRAPPERS.put( int.class, Integer.class );
WRAPPERS.put( long.class, Long.class );
WRAPPERS.put( short.class, Short.class );
WRAPPERS.put( void.class, Void.class );
}
private Classes() {
throw new UnsupportedOperationException();
}
/**
* Gives the "short version" of the given class name. Somewhat naive to inner classes.
*
* @param className class name to chew on
* @return the short name of the class
*/
public static String shortNameOf( String className ) {
return className.substring( className.lastIndexOf( '.' ) + 1 );
}
/**
* Gives the primitive wrapper class for the given class. If the given class is not
* {@linkplain Class#isPrimitive() primitive}, returns the class itself.
*
* @param <T> generic class type
* @param clazz the class to check
* @return primitive wrapper type if {@code clazz} is primitive, otherwise {@code clazz}
*/
@SuppressWarnings( "unchecked" )
public static <T> Class<T> wrapperOf( Class<T> clazz ) {
return clazz.isPrimitive() ? (Class<T>) WRAPPERS.get( clazz ) : clazz;
}
}