--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.httpserver/share/classes/sun/net/httpserver/FixedLengthOutputStream.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.net.httpserver;
+
+import java.io.*;
+import java.net.*;
+import com.sun.net.httpserver.*;
+import com.sun.net.httpserver.spi.*;
+
+/**
+ * a class which allows the caller to write up to a defined
+ * number of bytes to an underlying stream. The caller *must*
+ * write the pre-defined number or else an exception will be thrown
+ * and the whole request aborted.
+ * normal close() does not close the underlying stream
+ */
+
+class FixedLengthOutputStream extends FilterOutputStream
+{
+    private long remaining;
+    private boolean eof = false;
+    private boolean closed = false;
+    ExchangeImpl t;
+
+    FixedLengthOutputStream (ExchangeImpl t, OutputStream src, long len) {
+        super (src);
+        this.t = t;
+        this.remaining = len;
+    }
+
+    public void write (int b) throws IOException {
+        if (closed) {
+            throw new IOException ("stream closed");
+        }
+        eof = (remaining == 0);
+        if (eof) {
+            throw new StreamClosedException();
+        }
+        out.write(b);
+        remaining --;
+    }
+
+    public void write (byte[]b, int off, int len) throws IOException {
+        if (closed) {
+            throw new IOException ("stream closed");
+        }
+        eof = (remaining == 0);
+        if (eof) {
+            throw new StreamClosedException();
+        }
+        if (len > remaining) {
+            // stream is still open, caller can retry
+            throw new IOException ("too many bytes to write to stream");
+        }
+        out.write(b, off, len);
+        remaining -= len;
+    }
+
+    public void close () throws IOException {
+        if (closed) {
+            return;
+        }
+        closed = true;
+        if (remaining > 0) {
+            t.close();
+            throw new IOException ("insufficient bytes written to stream");
+        }
+        flush();
+        eof = true;
+        LeftOverInputStream is = t.getOriginalInputStream();
+        if (!is.isClosed()) {
+            try {
+                is.close();
+            } catch (IOException e) {}
+        }
+        WriteFinishedEvent e = new WriteFinishedEvent (t);
+        t.getHttpContext().getServerImpl().addEvent (e);
+    }
+
+    // flush is a pass-through
+}