ResourceManager.java revision 13978:1993af50385d 
1/*
2 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package com.sun.swingset3.demos;
24
25import java.net.URL;
26import java.util.MissingResourceException;
27import java.util.ResourceBundle;
28import java.util.logging.Level;
29import java.util.logging.Logger;
30import javax.swing.*;
31
32/**
33 * @author Pavel Porvatov
34 */
35public class ResourceManager {
36
37    private static final Logger logger = Logger.getLogger(ResourceManager.class.getName());
38
39    private final Class<?> demoClass;
40
41    // Resource bundle for internationalized and accessible text
42    private ResourceBundle bundle = null;
43
44    public ResourceManager(Class<?> demoClass) {
45        this.demoClass = demoClass;
46
47        String bundleName = demoClass.getPackage().getName() + ".resources." + demoClass.getSimpleName();
48
49        try {
50            bundle = ResourceBundle.getBundle(bundleName);
51        } catch (MissingResourceException e) {
52            logger.log(Level.SEVERE, "Couldn't load bundle: " + bundleName);
53        }
54    }
55
56    public String getString(String key) {
57        return bundle != null ? bundle.getString(key) : key;
58    }
59
60    public char getMnemonic(String key) {
61        return (getString(key)).charAt(0);
62    }
63
64    public ImageIcon createImageIcon(String filename, String description) {
65        String path = "resources/images/" + filename;
66
67        URL imageURL = demoClass.getResource(path);
68
69        if (imageURL == null) {
70            logger.log(Level.SEVERE, "unable to access image file: " + path);
71
72            return null;
73        } else {
74            return new ImageIcon(imageURL, description);
75        }
76    }
77}
78