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/*
* Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.foo;
import java.io.*;
import java.net.*;
import java.util.*;
import static java.util.ResourceBundle.Control.*;
public class UserXMLControl extends ResourceBundle.Control {
@Override
public List<String> getFormats(String baseName) {
if (baseName == null) {
throw new NullPointerException();
}
return Arrays.asList("xml");
}
@Override
public ResourceBundle newBundle(String baseName, Locale locale,
String format,
ClassLoader loader,
boolean reload)
throws IllegalAccessException,
InstantiationException, IOException {
if (baseName == null || locale == null
|| format == null || loader == null) {
throw new NullPointerException();
}
ResourceBundle bundle = null;
if (format.equals("xml")) {
String bundleName = toBundleName(baseName, locale);
String resourceName = toResourceName(bundleName, format);
URL url = loader.getResource(resourceName);
if (url != null) {
URLConnection connection = url.openConnection();
if (connection != null) {
if (reload) {
// disable caches if reloading
connection.setUseCaches(false);
}
try (InputStream stream = connection.getInputStream()) {
if (stream != null) {
BufferedInputStream bis = new BufferedInputStream(stream);
bundle = new XMLResourceBundle(bis);
}
}
}
}
}
return bundle;
}
private static class XMLResourceBundle extends ResourceBundle {
private Properties props;
XMLResourceBundle(InputStream stream) throws IOException {
props = new Properties();
props.loadFromXML(stream);
}
protected Object handleGetObject(String key) {
if (key == null) {
throw new NullPointerException();
}
return props.get(key);
}
public Enumeration<String> getKeys() {
// Not implemented
return null;
}
}
}
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