/*
 * Copyright (c) 2003, 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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 * questions.
 */

package com.sun.imageio.plugins.common;

import java.io.InputStream;
import java.util.PropertyResourceBundle;
import java.net.URL;

Class to simplify use of internationalization message strings.
Property files are constructed in terms of content as for JAI with
one "key=value" pair per line. All such files however have the same
name "properties". The resource extractor resolves the extraction of
the file from the jar as the package name is included automatically.
Extenders need only provide a static method
getString(String) which calls the static method in this
class with the name of the invoking class and returns a
String.
/**
 * Class to simplify use of internationalization message strings.
 * Property files are constructed in terms of content as for JAI with
 * one "key=value" pair per line. All such files however have the same
 * name "properties". The resource extractor resolves the extraction of
 * the file from the jar as the package name is included automatically.
 *
 * <p>Extenders need only provide a static method
 * <code>getString(String)</code> which calls the static method in this
 * class with the name of the invoking class and returns a
 * <code>String</code>.
 */
public class I18NImpl {
    
Returns the message string with the specified key from the
"properties" file in the package containing the class with
the specified name.
/**
     * Returns the message string with the specified key from the
     * "properties" file in the package containing the class with
     * the specified name.
     */
    protected static final String getString(String className, String resource_name, String key) {
        PropertyResourceBundle bundle = null;
        try {
            InputStream stream =
                Class.forName(className).getResourceAsStream(resource_name);
            bundle = new PropertyResourceBundle(stream);
        } catch(Throwable e) {
            throw new RuntimeException(e); // Chain the exception.
        }

        return (String)bundle.handleGetObject(key);
    }
}