1 /* 2 * Copyright (c) 2012, 2017, 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 */ 23 24 package com.foo; 25 26 import java.io.*; 27 import java.net.*; 28 import java.util.*; 29 import static java.util.ResourceBundle.Control.*; 30 31 public class UserXMLControl extends ResourceBundle.Control { 32 @Override 33 public List<String> getFormats(String baseName) { 34 if (baseName == null) { 35 throw new NullPointerException(); 36 } 37 return Arrays.asList("xml"); 38 } 39 40 @Override 41 public ResourceBundle newBundle(String baseName, Locale locale, 42 String format, 43 ClassLoader loader, 44 boolean reload) 45 throws IllegalAccessException, 46 InstantiationException, IOException { 47 if (baseName == null || locale == null 48 || format == null || loader == null) { 49 throw new NullPointerException(); 50 } 51 ResourceBundle bundle = null; 52 if (format.equals("xml")) { 53 String bundleName = toBundleName(baseName, locale); 54 String resourceName = toResourceName(bundleName, format); 55 URL url = loader.getResource(resourceName); 56 if (url != null) { 57 URLConnection connection = url.openConnection(); 58 if (connection != null) { 59 if (reload) { 60 // disable caches if reloading 61 connection.setUseCaches(false); 62 } 63 try (InputStream stream = connection.getInputStream()) { 64 if (stream != null) { 65 BufferedInputStream bis = new BufferedInputStream(stream); 66 bundle = new XMLResourceBundle(bis); 67 } 68 } 69 } 70 } 71 } 72 return bundle; 73 } 74 75 private static class XMLResourceBundle extends ResourceBundle { 76 private Properties props; 77 78 XMLResourceBundle(InputStream stream) throws IOException { 79 props = new Properties(); 80 props.loadFromXML(stream); 81 } 82 83 protected Object handleGetObject(String key) { 84 if (key == null) { 85 throw new NullPointerException(); 86 } 87 return props.get(key); 88 } 89 90 public Enumeration<String> getKeys() { 91 // Not implemented 92 return null; 93 } 94 } 95 }