/* * 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 * or visit www.oracle.com if you need additional information or have any * 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. * * <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.     */    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);    }}