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Java JDBC 4.2 (JRE 8+) driver for YugaByte SQL database
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/*
* Copyright (c) 2004, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.util;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.checkerframework.dataflow.qual.Pure;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* This class provides a wrapper around a gettext message catalog that can provide a localized
* version of error messages. The caller provides a message String in the standard
* java.text.MessageFormat syntax and any arguments it may need. The returned String is the
* localized version if available or the original if not.
*/
public class GT {
private static final GT _gt = new GT();
private static final Object[] noargs = new Object[0];
public static @Pure String tr(String message, @Nullable Object... args) {
return _gt.translate(message, args);
}
private @Nullable ResourceBundle bundle;
private GT() {
try {
bundle = ResourceBundle.getBundle("org.postgresql.translation.messages", Locale.getDefault(Locale.Category.DISPLAY));
} catch (MissingResourceException mre) {
// translation files have not been installed
bundle = null;
}
}
private String translate(String message, @Nullable Object[] args) {
if (bundle != null && message != null) {
try {
message = bundle.getString(message);
} catch (MissingResourceException mre) {
// If we can't find a translation, just
// use the untranslated message.
}
}
// If we don't have any parameters we still need to run
// this through the MessageFormat(ter) to allow the same
// quoting and escaping rules to be used for all messages.
//
if (args == null) {
args = noargs;
}
// Replace placeholders with arguments
//
if (message != null) {
message = MessageFormat.format(message, args);
}
return message;
}
}
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