src/jdk.httpserver/share/classes/sun/net/httpserver/simpleserver/ResourceBundleHelper.java

/*
 * Copyright (c) 2021, 2022, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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package sun.net.httpserver.simpleserver;

import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

class ResourceBundleHelper {
    static final ResourceBundle bundle;

    static {
        try {
            bundle = ResourceBundle.getBundle("sun.net.httpserver.simpleserver.resources.simpleserver");
        } catch (MissingResourceException e) {
            throw new InternalError("Cannot find simpleserver resource bundle for locale " + Locale.getDefault());
        }
    }

    static String getMessage(String key, Object... args) {
        try {
            return MessageFormat.format(bundle.getString(key), args);
        } catch (MissingResourceException e) {
            throw new InternalError("Missing message: " + key);
        }
    }
}