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/*
The MIT License
Copyright (c) 2004-2015 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 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<>( 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;
}
}
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