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/* SystemFlavorMap.java -- Maps between native flavor names and MIME types.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the non-peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
This library 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
package java.awt.datatransfer;
import java.util.HashMap;
import java.util.Map;
/**
* This class maps between native platform type names and DataFlavors.
*
* XXX - The current implementation does no mapping at all.
*
* @author Mark Wielaard (mark@klomp.org)
*/
public final class SystemFlavorMap implements FlavorMap
{
/**
* The default (instance) flavor map.
*/
private static FlavorMap defaultFlavorMap;
/**
* Private constructor.
*/
private SystemFlavorMap()
{
}
/*************************************************************************/
/**
* Maps the specified <code>DataFlavor</code> objects to the native
* data type name. The returned <code>Map</code> has keys that are
* the data flavors and values that are strings. The returned map
* may be modified. This can be useful for implementing nested mappings.
*
* @param flavors An array of data flavors to map
* or null for all data flavors.
*
* @return A <code>Map</code> of native data types to data flavors.
*/
public Map
getNativesForFlavors(DataFlavor[] flavors)
{
return(new HashMap());
}
/*************************************************************************/
/**
* Maps the specified native type names to <code>DataFlavor</code>'s.
* The returned <code>Map</code> has keys that are strings and values
* that are <code>DataFlavor</code>'s. The returned map may be
* modified. This can be useful for implementing nested mappings.
*
* @param natives An array of native types to map
* or null for all native types.
*
* @return A <code>Map</code> of data flavors to native type names.
*/
public Map
getFlavorsForNatives(String[] natives)
{
return(new HashMap());
}
/*************************************************************************/
/**
* Returns the default (instance) (System)FlavorMap.
*/
public static FlavorMap
getDefaultFlavorMap()
{
if (defaultFlavorMap == null)
defaultFlavorMap = new SystemFlavorMap();
return(defaultFlavorMap);
}
/*************************************************************************/
/**
* Returns the native type name for the given java mime type.
*/
public static String
encodeJavaMIMEType(String mime)
{
return null;
}
/*************************************************************************/
/**
* Returns the native type name for the given data flavor.
*/
public static String
encodeDataFlavor(DataFlavor df)
{
return null;
}
/*************************************************************************/
/**
* Returns true if the native type name can be represented as
* a java mime type.
*/
public static boolean
isJavaMIMEType(String name)
{
return(false);
}
/*************************************************************************/
/**
* Returns the java mime type for the given the native type name.
*/
public static String
decodeJavaMIMEType(String name)
{
return null;
}
/*************************************************************************/
/**
* Returns the data flavor given the native type name
* or null when no such data flavor exists.
*/
public static DataFlavor
decodeDataFlavor(String name) throws ClassNotFoundException
{
String javaMIMEType = decodeJavaMIMEType(name);
if (javaMIMEType != null)
return(new DataFlavor(javaMIMEType));
else
return(null);
}
} // class SystemFlavorMap
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