001// Copyright 2004, 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.hivemind.util;
016
017import java.io.File;
018import java.util.Locale;
019
020
021/**
022 * Used by {@link org.apache.hivemind.util.FileResource}
023 * to locate localizations of a given file.
024 *
025 * @author Howard Lewis Ship
026 */
027public class LocalizedFileResourceFinder
028{
029    public String findLocalizedPath(String path, Locale locale)
030    {
031        int dotx = path.lastIndexOf('.');
032        String basePath;
033        String suffix;
034        if (dotx >= 0)
035        {
036            basePath = path.substring(0, dotx);
037            suffix = path.substring(dotx);
038        }
039        else
040        {
041            // Resource without extension
042            basePath = path;
043            suffix = "";
044        }
045        LocalizedNameGenerator g = new LocalizedNameGenerator(basePath, locale, suffix);
046
047        while (g.more())
048        {
049            String candidate = g.next();
050
051            File f = new File(candidate);
052
053            if (f.exists())
054                return candidate;
055        }
056
057        return path;
058    }
059}