001/* 002 * SVG Salamander 003 * Copyright (c) 2004, Mark McKay 004 * All rights reserved. 005 * 006 * Redistribution and use in source and binary forms, with or 007 * without modification, are permitted provided that the following 008 * conditions are met: 009 * 010 * - Redistributions of source code must retain the above 011 * copyright notice, this list of conditions and the following 012 * disclaimer. 013 * - Redistributions in binary form must reproduce the above 014 * copyright notice, this list of conditions and the following 015 * disclaimer in the documentation and/or other materials 016 * provided with the distribution. 017 * 018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 021 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 022 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 025 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 026 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 027 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 029 * OF THE POSSIBILITY OF SUCH DAMAGE. 030 * 031 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other 032 * projects can be found at http://www.kitfox.com 033 */ 034 035package com.kitfox.svg.app.data; 036 037import com.kitfox.svg.SVGConst; 038import java.io.ByteArrayInputStream; 039import java.io.IOException; 040import java.io.InputStream; 041import java.net.URL; 042import java.net.URLConnection; 043import java.net.URLStreamHandler; 044import java.util.logging.Level; 045import java.util.logging.Logger; 046 047/** 048 * 049 * @author kitfox 050 */ 051public class Handler extends URLStreamHandler 052{ 053 class Connection extends URLConnection 054 { 055 String mime; 056 byte[] buf; 057 058 public Connection(URL url) 059 { 060 super(url); 061 062 String path = url.getPath(); 063 int idx = path.indexOf(';'); 064 mime = path.substring(0, idx); 065 String content = path.substring(idx + 1); 066 067 if (content.startsWith("base64,")) 068 { 069 content = content.substring(7); 070 try 071 { 072 buf = new sun.misc.BASE64Decoder().decodeBuffer(content); 073 } 074 catch (IOException e) 075 { 076 Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, null, e); 077 } 078 } 079 } 080 081 public void connect() throws IOException 082 { 083 } 084 085 public String getHeaderField(String name) 086 { 087 if ("content-type".equals(name)) 088 { 089 return mime; 090 } 091 092 return super.getHeaderField(name); 093 } 094 095 public InputStream getInputStream() throws IOException 096 { 097 return new ByteArrayInputStream(buf); 098 } 099 100// public Object getContent() throws IOException 101// { 102// BufferedImage img = ImageIO.read(getInputStream()); 103// } 104 } 105 106 protected URLConnection openConnection(URL u) throws IOException 107 { 108 return new Connection(u); 109 } 110 111}