1 /* SystemFlavorMap.java -- Maps between native flavor names and MIME types.
2 Copyright (C) 2001 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
39 package java.awt.datatransfer;
41 import java.util.HashMap;
45 * This class maps between native platform type names and DataFlavors.
47 * XXX - The current implementation does no mapping at all.
49 * @author Mark Wielaard (mark@klomp.org)
51 public final class SystemFlavorMap implements FlavorMap
55 * The default (instance) flavor map.
57 private static FlavorMap defaultFlavorMap;
60 * Private constructor.
62 private SystemFlavorMap()
66 /*************************************************************************/
69 * Maps the specified <code>DataFlavor</code> objects to the native
70 * data type name. The returned <code>Map</code> has keys that are
71 * the data flavors and values that are strings. The returned map
72 * may be modified. This can be useful for implementing nested mappings.
74 * @param flavors An array of data flavors to map
75 * or null for all data flavors.
77 * @return A <code>Map</code> of native data types to data flavors.
80 getNativesForFlavors(DataFlavor[] flavors)
82 return(new HashMap());
85 /*************************************************************************/
88 * Maps the specified native type names to <code>DataFlavor</code>'s.
89 * The returned <code>Map</code> has keys that are strings and values
90 * that are <code>DataFlavor</code>'s. The returned map may be
91 * modified. This can be useful for implementing nested mappings.
93 * @param natives An array of native types to map
94 * or null for all native types.
96 * @return A <code>Map</code> of data flavors to native type names.
99 getFlavorsForNatives(String[] natives)
101 return(new HashMap());
104 /*************************************************************************/
107 * Returns the default (instance) (System)FlavorMap.
109 public static FlavorMap
110 getDefaultFlavorMap()
112 if (defaultFlavorMap == null)
113 defaultFlavorMap = new SystemFlavorMap();
115 return(defaultFlavorMap);
118 /*************************************************************************/
121 * Returns the native type name for the given java mime type.
124 encodeJavaMIMEType(String mime)
129 /*************************************************************************/
132 * Returns the native type name for the given data flavor.
135 encodeDataFlavor(DataFlavor df)
140 /*************************************************************************/
143 * Returns true if the native type name can be represented as
146 public static boolean
147 isJavaMIMEType(String name)
152 /*************************************************************************/
155 * Returns the java mime type for the given the native type name.
158 decodeJavaMIMEType(String name)
163 /*************************************************************************/
166 * Returns the data flavor given the native type name
167 * or null when no such data flavor exists.
169 public static DataFlavor
170 decodeDataFlavor(String name) throws ClassNotFoundException
172 String javaMIMEType = decodeJavaMIMEType(name);
173 if (javaMIMEType != null)
174 return(new DataFlavor(javaMIMEType));
179 } // class SystemFlavorMap