meant to include this in the last commit

classpath/avian/resource/Handler.java

@@ -0,0 +1,101 @@
+/* Copyright (c) 2008-2009, Avian Contributors
+
+   Permission to use, copy, modify, and/or distribute this software
+   for any purpose with or without fee is hereby granted, provided
+   that the above copyright notice and this permission notice appear
+   in all copies.
+
+   There is NO WARRANTY for this software.  See license.txt for
+   details. */
+
+package avian.resource;
+
+import java.net.URL;
+import java.net.URLStreamHandler;
+import java.net.URLConnection;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+
+public class Handler extends URLStreamHandler {
+  protected URLConnection openConnection(URL url) {
+    return new ResourceConnection(url);
+  }
+
+  private static class ResourceConnection extends URLConnection {
+    public ResourceConnection(URL url) {
+      super(url);
+    }
+
+    public int getContentLength() {
+      return ResourceInputStream.getContentLength(url.getFile());
+    }
+
+    public InputStream getInputStream() throws IOException {
+      return new ResourceInputStream(url.getFile());
+    }
+  }
+
+  private static class ResourceInputStream extends InputStream {
+    private long peer;
+    private int position;
+
+    public ResourceInputStream(String path) throws IOException {
+      peer = open(path);
+      if (peer == 0) {
+        throw new FileNotFoundException(path);
+      }
+    }
+
+    private static native int getContentLength(String path);
+
+    private static native long open(String path) throws IOException;
+
+    private static native int read(long peer, int position) throws IOException;
+
+    private static native int read(long peer, int position,
+                                   byte[] b, int offset, int length)
+      throws IOException;
+
+    public static native void close(long peer) throws IOException;
+
+    public int read() throws IOException {
+      if (peer != 0) {
+        int c = read(peer, position);
+        if (c >= 0) {
+          ++ position;
+        }
+        return c;
+      } else {
+        throw new IOException();
+      }
+    }
+
+    public int read(byte[] b, int offset, int length) throws IOException {
+      if (peer != 0) {
+        if (b == null) {
+          throw new NullPointerException();
+        }
+
+        if (offset < 0 || offset + length > b.length) {
+          throw new ArrayIndexOutOfBoundsException();
+        }
+
+        int c = read(peer, position, b, offset, length);
+        if (c >= 0) {
+          position += c;
+        }
+        return c;
+      } else {
+        throw new IOException();
+      }
+    }
+
+    public void close() throws IOException {
+      if (peer != 0) {
+        close(peer);
+        peer = 0;
+      }
+    }
+  }
+}