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UTF8ResourceBundleControl.java
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UTF8ResourceBundleControl.java
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/*
* This file is part of adventure, licensed under the MIT License.
*
* Copyright (c) 2017-2022 KyoriPowered
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.kyori.adventure.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import org.jetbrains.annotations.NotNull;
/**
* A {@link ResourceBundle.Control} that enforces UTF-8 string encoding.
*
* <p>See https://stackoverflow.com/a/4660195 for more details.</p>
*
* @since 4.0.0
*/
public final class UTF8ResourceBundleControl extends ResourceBundle.Control {
private static final UTF8ResourceBundleControl INSTANCE = new UTF8ResourceBundleControl();
/**
* Gets the shared instance.
*
* @return a resource bundle control
* @since 4.0.0
*/
public static ResourceBundle.@NotNull Control get() {
return INSTANCE;
}
@Override
public ResourceBundle newBundle(final String baseName, final Locale locale, final String format, final ClassLoader loader, final boolean reload) throws IllegalAccessException, InstantiationException, IOException {
if (format.equals("java.properties")) {
final String bundle = this.toBundleName(baseName, locale);
final String resource = this.toResourceName(bundle, "properties");
InputStream is = null;
if (reload) {
final URL url = loader.getResource(resource);
if (url != null) {
final URLConnection connection = url.openConnection();
if (connection != null) {
connection.setUseCaches(false);
is = connection.getInputStream();
}
}
} else {
is = loader.getResourceAsStream(resource);
}
if (is != null) {
try(final InputStreamReader isr = new InputStreamReader(is, StandardCharsets.UTF_8)) {
return new PropertyResourceBundle(isr);
}
} else {
return null;
}
} else {
return super.newBundle(baseName, locale, format, loader, reload);
}
}
}