2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir 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 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mir.generator;
32 import java.util.HashMap;
35 public class CompositeGeneratorLibrary implements Generator.GeneratorLibrary {
36 private Map generatorLibraries;
37 private Generator.GeneratorLibrary defaultLibrary = null;
38 private static String LIBRARY_QUALIFIER_SEPARATOR = "::";
40 public CompositeGeneratorLibrary() {
41 generatorLibraries = new HashMap();
44 public void addLibrary(String aQualifier, Generator.GeneratorLibrary aLibrary, boolean anIsDefault) {
45 if (anIsDefault || defaultLibrary == null) {
46 defaultLibrary = aLibrary;
49 generatorLibraries.put(aQualifier, aLibrary);
52 public Generator makeGenerator(String anIdentifier) throws GeneratorExc, GeneratorFailure {
56 Generator.GeneratorLibrary library;
58 position = anIdentifier.indexOf( LIBRARY_QUALIFIER_SEPARATOR );
60 libraryName = anIdentifier.substring(0, position);
61 qualifier = anIdentifier.substring(position + LIBRARY_QUALIFIER_SEPARATOR.length());
63 library = (Generator.GeneratorLibrary) generatorLibraries.get(libraryName);
65 throw new GeneratorExc("CompositeGeneratorLibrary: library '"+libraryName+"' not found");
67 return library.makeGenerator(qualifier);
70 if (defaultLibrary!=null)
71 return defaultLibrary.makeGenerator(anIdentifier);
73 throw new GeneratorExc("CompositeGeneratorLibrary: no default library speficied");