/* * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ 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); } }