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