1/*
2 * Copyright (c) 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.jdeprscan;
27
28import java.text.MessageFormat;
29import java.util.Locale;
30import java.util.MissingResourceException;
31import java.util.ResourceBundle;
32
33/**
34 * Message handling class for localization.
35 */
36public class Messages {
37    /** Indicates whether line separators in messages need replacement. */
38    static final boolean REPLACE_LINESEP = ! System.lineSeparator().equals("\n");
39
40    /** The resource bundle, must be non-null. */
41    static final ResourceBundle bundle;
42
43    static {
44        Locale locale = Locale.getDefault();
45        try {
46            bundle = ResourceBundle.getBundle("com.sun.tools.jdeprscan.resources.jdeprscan", locale);
47        } catch (MissingResourceException e) {
48            throw new InternalError("Cannot find jdeprscan resource bundle for locale " + locale, e);
49        }
50    }
51
52    /**
53     * Gets a message from the resource bundle. If necessary, translates "\n",
54     * the line break string used in the message file, to the system-specific
55     * line break string.
56     *
57     * @param key the message key
58     * @param args the message arguments
59     */
60    public static String get(String key, Object... args) {
61        try {
62            String msg = MessageFormat.format(bundle.getString(key), args);
63            if (REPLACE_LINESEP) {
64                msg = msg.replace("\n", System.lineSeparator());
65            }
66            return msg;
67        } catch (MissingResourceException e) {
68            throw new InternalError("Missing message: " + key, e);
69        }
70    }
71}
72