/* * File : ResourceManager.java * Created : 07-mar-2002 17:11 * By : fbusquets * * JClic - Authoring and playing system for educational activities * * Copyright (C) 2000 - 2005 Francesc Busquets & Departament * d'Educacio de la Generalitat de Catalunya * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 for more details (see the LICENSE file). */ package edu.xtec.util; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.HashMap; import java.util.Locale; import java.util.Map; import javax.swing.ImageIcon; /** * * @author Francesc Busquets (fbusquets@xtec.cat) * @version 13.09.16 */ public abstract class ResourceManager{ public static final String RESOURCE_ROOT="/edu/xtec/resources/"; public static final String RESOURCE_CLASS_ROOT="edu.xtec.resources."; public static final StreamIO.InputStreamProvider STREAM_PROVIDER=new StreamIO.InputStreamProvider(){ public java.io.InputStream getInputStream(String resourceName) throws Exception{ return getResourceAsStream(resourceName); } }; public static final String DEFAULT_LOCALE="en"; private static Map icons=new HashMap(); public static ImageIcon getImageIcon(String name){ ImageIcon result=(ImageIcon)icons.get(name); if(result==null){ try{ result=new ImageIcon(getResource(name)); String s=name; if(s.startsWith("icons/")) s=new StringBuilder("@").append(s.substring(6)).substring(0); result.setDescription(s); icons.put(name, result); } catch(Exception ex){ System.err.println("unable to get image "+name); System.err.println(ex); } } return result; } public static java.net.URL getResource(String name) throws Exception{ java.net.URL result=ResourceManager.class.getResource(RESOURCE_ROOT+name); if(result==null) throw buildException(name); return result; } public static java.io.InputStream getResourceAsStream(String name) throws Exception{ java.io.InputStream result=ResourceManager.class.getResourceAsStream(RESOURCE_ROOT+name); if(result==null) throw buildException(name); return result; } public static byte[] getResourceBytes(String name) throws Exception{ return StreamIO.readInputStream(getResourceAsStream(name)); } public static ExtendedByteArrayInputStream getResourceAsByteArray(String name) throws Exception{ return new ExtendedByteArrayInputStream(getResourceBytes(name), name); } public static String getResourceText(String name, boolean useCRLF) throws Exception{ String lineEnding = useCRLF ? "\r\n" : System.getProperty("line.separator"); BufferedReader in=new BufferedReader(new InputStreamReader(getResourceAsStream(name))); StringBuilder sb=new StringBuilder(); String line; while((line=in.readLine())!=null){ sb.append(line).append(lineEnding); } in.close(); return sb.substring(0); } public static java.util.ResourceBundle getBundle(String name, java.util.Locale locale) throws Exception{ if(locale!=null && DEFAULT_LOCALE.equals(locale.getLanguage())) Locale.setDefault(locale); java.util.ResourceBundle result=java.util.ResourceBundle.getBundle(RESOURCE_CLASS_ROOT+name, locale); if(result==null) throw buildException(name); return result; } private static Exception buildException(String name){ return new Exception("Unable to load resource: "+name); } }