diff options
Diffstat (limited to 'classpath/gnu/java/net/protocol/ikvmres/Handler.java')
| -rw-r--r-- | classpath/gnu/java/net/protocol/ikvmres/Handler.java | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/classpath/gnu/java/net/protocol/ikvmres/Handler.java b/classpath/gnu/java/net/protocol/ikvmres/Handler.java deleted file mode 100644 index e122c484..00000000 --- a/classpath/gnu/java/net/protocol/ikvmres/Handler.java +++ /dev/null @@ -1,329 +0,0 @@ -/* - Copyright (C) 2002, 2003, 2004, 2005, 2006 Jeroen Frijters - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Jeroen Frijters - jeroen@frijters.net - -*/ - -package gnu.java.net.protocol.ikvmres; - -import cli.System.Reflection.Assembly; -import java.net.*; -import java.io.*; - -class IkvmresURLConnection extends URLConnection -{ - private InputStream inputStream; - - IkvmresURLConnection(URL url) - { - super(url); - doOutput = false; - } - - public void connect() throws IOException - { - if(!connected) - { - String assembly = url.getHost(); - String resource = url.getFile(); - if(assembly == null || resource == null || !resource.startsWith("/")) - { - throw new MalformedURLException(url.toString()); - } - try - { - inputStream = Handler.readResourceFromAssembly(assembly, url.getPort(), resource); - connected = true; - } - catch(cli.System.IO.FileNotFoundException x) - { - throw (IOException)new FileNotFoundException(assembly).initCause(x); - } - catch(cli.System.BadImageFormatException x1) - { - throw (IOException)new IOException().initCause(x1); - } - catch(cli.System.Security.SecurityException x2) - { - throw (IOException)new IOException().initCause(x2); - } - } - } - - public InputStream getInputStream() throws IOException - { - if(!connected) - { - connect(); - } - return inputStream; - } - - public OutputStream getOutputStream() throws IOException - { - throw new IOException("resource URLs are read only"); - } - - public long getLastModified() - { - return -1; - } - - public int getContentLength() - { - return -1; - } -} - -public class Handler extends URLStreamHandler -{ - private static final String RFC2396_DIGIT = "0123456789"; - private static final String RFC2396_LOWALPHA = "abcdefghijklmnopqrstuvwxyz"; - private static final String RFC2396_UPALPHA = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; - private static final String RFC2396_ALPHA = RFC2396_LOWALPHA + RFC2396_UPALPHA; - private static final String RFC2396_ALPHANUM = RFC2396_DIGIT + RFC2396_ALPHA; - private static final String RFC2396_MARK = "-_.!~*'()"; - private static final String RFC2396_UNRESERVED = RFC2396_ALPHANUM + RFC2396_MARK; - private static final String RFC2396_REG_NAME = RFC2396_UNRESERVED + "$,;:@&=+"; - private static final String RFC2396_PCHAR = RFC2396_UNRESERVED + ":@&=+$,"; - private static final String RFC2396_SEGMENT = RFC2396_PCHAR + ";"; - private static final String RFC2396_PATH_SEGMENTS = RFC2396_SEGMENT + "/"; - - static InputStream readResourceFromAssembly(String assembly, int port, String resource) - throws cli.System.IO.FileNotFoundException, - cli.System.BadImageFormatException, - cli.System.Security.SecurityException, - IOException - { - if(assembly.equals("gen") && port != -1 && resource.endsWith(".class") && resource.indexOf('.') == resource.length() - 6) - { - ClassLoader loader = GetGenericClassLoaderById(port); - try - { - Class c = Class.forName(resource.substring(1, resource.length() - 6).replace('/', '.'), false, loader); - return new ByteArrayInputStream(GenerateStub(c)); - } - catch(ClassNotFoundException _) - { - } - catch(LinkageError _) - { - } - } - return readResourceFromAssembly(LoadAssembly(assembly), resource); - } - - public static InputStream readResourceFromAssembly(Assembly asm, String resource) - throws IOException - { - try - { - if(false) throw new cli.System.Security.SecurityException(); - if(false) throw new cli.System.IO.FileNotFoundException(); - if(false) throw new cli.System.IO.IOException(); - return new ikvm.io.InputStreamWrapper(ReadResourceFromAssemblyImpl(asm, resource)); - } - catch (cli.System.Security.SecurityException x) - { - throw (IOException)new IOException().initCause(x); - } - catch (cli.System.IO.FileNotFoundException x) - { - if(resource.endsWith(".class") && resource.indexOf('.') == resource.length() - 6) - { - Class c = LoadClassFromAssembly(asm, resource.substring(1, resource.length() - 6).replace('/', '.')); - if(c != null) - { - return new ByteArrayInputStream(GenerateStub(c)); - } - } - throw (FileNotFoundException)new FileNotFoundException().initCause(x); - } - catch(cli.System.IO.IOException x) - { - throw (IOException)new IOException().initCause(x); - } - } - - private static native byte[] GenerateStub(Class c); - private static native cli.System.IO.Stream ReadResourceFromAssemblyImpl(Assembly asm, String resource); - private static native Class LoadClassFromAssembly(Assembly asm, String className); - private static native Assembly LoadAssembly(String name) - throws cli.System.IO.FileNotFoundException, cli.System.BadImageFormatException, cli.System.Security.SecurityException; - private static native ClassLoader GetGenericClassLoaderById(int id); - - protected URLConnection openConnection(URL url) throws IOException - { - return new IkvmresURLConnection(url); - } - - protected void parseURL(URL url, String url_string, int start, int end) - { - try - { - // NOTE originally I wanted to use java.net.URI to handling parsing and constructing of these things, - // but it turns out that URI uses regex and that depends on resource loading... - url_string = url_string.substring(start, end); - if(url_string.startsWith("//")) - { - int slash = url_string.indexOf('/', 2); - if(slash == -1) - { - throw new RuntimeException("ikvmres: URLs must contain path"); - } - String assembly = unquote(url_string.substring(2, slash)); - String file = unquote(url_string.substring(slash)); - setURL(url, "ikvmres", assembly, -1, file, null); - } - else if(url_string.startsWith("/")) - { - setURL(url, "ikvmres", url.getHost(), -1, url_string, null); - } - else - { - String[] baseparts = ((cli.System.String)(Object)url.getFile()).Split(new char[] { '/' }); - String[] relparts = ((cli.System.String)(Object)url_string).Split(new char[] { '/' }); - String[] target = new String[baseparts.length + relparts.length - 1]; - for(int i = 1; i < baseparts.length; i++) - { - target[i - 1] = baseparts[i]; - } - int p = baseparts.length - 2; - for(int i = 0; i < relparts.length; i++) - { - if(relparts[i].equals(".")) - { - } - else if(relparts[i].equals("..")) - { - p = Math.max(0, p - 1); - } - else - { - target[p++] = relparts[i]; - } - } - StringBuffer file = new StringBuffer(); - for(int i = 0; i < p; i++) - { - file.append('/').append(target[i]); - } - setURL(url, "ikvmres", url.getHost(), -1, file.toString(), null); - } - } - catch(URISyntaxException x) - { - throw new RuntimeException(x.getMessage()); - } - } - - protected String toExternalForm(URL url) - { - // NOTE originally I wanted to use java.net.URI to handle parsing and constructing of these things, - // but it turns out that URI uses regex and that depends on resource loading... - return "ikvmres://" + quote(url.getHost(), RFC2396_REG_NAME) + quote(url.getFile(), RFC2396_PATH_SEGMENTS); - } - - protected InetAddress getHostAddress(URL url) - { - return null; - } - - private static String quote (String str, String legalCharacters) - { - StringBuffer sb = new StringBuffer(str.length()); - for (int i = 0; i < str.length(); i++) - { - char c = str.charAt(i); - if (legalCharacters.indexOf(c) == -1) - { - String hex = "0123456789ABCDEF"; - if (c <= 127) - { - sb.append('%') - .append(hex.charAt(c / 16)) - .append(hex.charAt(c % 16)); - } - else - { - try - { - // this is far from optimal, but it works - byte[] utf8 = str.substring(i, i + 1).getBytes("utf-8"); - for (int j = 0; j < utf8.length; j++) - { - sb.append('%') - .append(hex.charAt((utf8[j] & 0xff) / 16)) - .append(hex.charAt((utf8[j] & 0xff) % 16)); - } - } - catch (java.io.UnsupportedEncodingException x) - { - throw (Error)new InternalError().initCause(x); - } - } - } - else - { - sb.append(c); - } - } - return sb.toString(); - } - - private static String unquote (String str) - throws URISyntaxException - { - if (str == null) - return null; - byte[] buf = new byte[str.length()]; - int pos = 0; - for (int i = 0; i < str.length(); i++) - { - char c = str.charAt(i); - if (c > 127) - throw new URISyntaxException(str, "Invalid character"); - if (c == '%') - { - if (i + 2 >= str.length()) - throw new URISyntaxException(str, "Invalid quoted character"); - String hex = "0123456789ABCDEF"; - int hi = hex.indexOf(str.charAt(++i)); - int lo = hex.indexOf(str.charAt(++i)); - if (lo < 0 || hi < 0) - throw new URISyntaxException(str, "Invalid quoted character"); - buf[pos++] = (byte)(hi * 16 + lo); - } - else - { - buf[pos++] = (byte)c; - } - } - try - { - return new String(buf, 0, pos, "utf-8"); - } - catch (java.io.UnsupportedEncodingException x2) - { - throw (Error)new InternalError().initCause(x2); - } - } -} |