2 * Copyright (C) 2005 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 * You must obey the GNU General Public License in all respects for all of the code used
23 * other than the above mentioned libraries. If you modify this file, you may extend this
24 * exception to your version of the file, but you are not obligated to do so.
25 * If you do not wish to do so, delete this exception statement from your version.
27 package mir.generator;
29 import java.util.HashMap;
32 public class CompositeGeneratorLibrary implements Generator.Library {
33 private Map generatorLibraries;
34 private Generator.Library defaultLibrary = null;
35 private static String LIBRARY_QUALIFIER_SEPARATOR = "::";
37 public CompositeGeneratorLibrary() {
38 generatorLibraries = new HashMap();
41 public void addLibrary(String aQualifier, Generator.Library aLibrary, boolean anIsDefault) {
42 if (anIsDefault || defaultLibrary == null) {
43 defaultLibrary = aLibrary;
46 generatorLibraries.put(aQualifier, aLibrary);
49 public Generator makeGenerator(String anIdentifier, Generator.Interceptor anInterceptor) throws GeneratorExc, GeneratorFailure {
53 Generator.Library library;
55 position = anIdentifier.indexOf( LIBRARY_QUALIFIER_SEPARATOR );
57 libraryName = anIdentifier.substring(0, position);
58 qualifier = anIdentifier.substring(position + LIBRARY_QUALIFIER_SEPARATOR.length());
60 library = (Generator.Library) generatorLibraries.get(libraryName);
62 throw new GeneratorExc("CompositeGeneratorLibrary: library '"+libraryName+"' not found");
64 return library.makeGenerator(qualifier, anInterceptor);
66 if (defaultLibrary!=null)
67 return defaultLibrary.makeGenerator(anIdentifier, anInterceptor);
68 throw new GeneratorExc("CompositeGeneratorLibrary: no default library speficied");