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The source code/* * PluginResURLConnection.java - Jext plugin resource URL connection * Copyright (C) 1999, 2000 Slava Pestov * * 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 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package org.jext.protocol.jextresource; import java.io.*; import java.net.*; import java.text.MessageFormat; import org.jext.*; public class PluginResURLConnection extends URLConnection { // private members private InputStream in; public PluginResURLConnection(URL url) throws IOException { super(url); String file = url.getFile(); int index = file.indexOf('/', 1); if (index == -1) throw new IOException("Invalid plugin resource URL"); int start; if (file.charAt(0) == '/') start = 1; else start = 0; int pluginIndex = Integer.parseInt(file.substring(start, index)); in = JARClassLoader.getClassLoader(pluginIndex).getResourceAsStream(file.substring(index + 1)); } public void connect() { } public InputStream getInputStream() throws IOException { return in; } public String getHeaderField(String name) { if (name.equals("content-type")) { String filename = getURL().getFile().toLowerCase(); if (filename.endsWith(".html")) return "text/html"; else if (filename.endsWith(".txt")) return "text/plain"; else if (filename.endsWith(".rtf")) return "text/rtf"; else if (filename.endsWith(".gif")) return "image/gif"; else if (filename.endsWith(".jpg") || filename.endsWith(".jpeg")) return "image/jpeg"; else return null; } else return null; } } // End of PluginResURLConnection.java |
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