--- a/src/java.net.http/share/classes/java/net/http/internal/hpack/IntegerReader.java	Wed Feb 07 15:46:30 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2014, 2018, 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 java.net.http.internal.hpack;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.util.Arrays;
-
-import static java.lang.String.format;
-
-final class IntegerReader {
-
-    private static final int NEW             = 0;
-    private static final int CONFIGURED      = 1;
-    private static final int FIRST_BYTE_READ = 2;
-    private static final int DONE            = 4;
-
-    private int state = NEW;
-
-    private int N;
-    private int maxValue;
-    private int value;
-    private long r;
-    private long b = 1;
-
-    public IntegerReader configure(int N) {
-        return configure(N, Integer.MAX_VALUE);
-    }
-
-    //
-    // Why is it important to configure 'maxValue' here. After all we can wait
-    // for the integer to be fully read and then check it. Can't we?
-    //
-    // Two reasons.
-    //
-    // 1. Value wraps around long won't be unnoticed.
-    // 2. It can spit out an exception as soon as it becomes clear there's
-    // an overflow. Therefore, no need to wait for the value to be fully read.
-    //
-    public IntegerReader configure(int N, int maxValue) {
-        if (state != NEW) {
-            throw new IllegalStateException("Already configured");
-        }
-        checkPrefix(N);
-        if (maxValue < 0) {
-            throw new IllegalArgumentException(
-                    "maxValue >= 0: maxValue=" + maxValue);
-        }
-        this.maxValue = maxValue;
-        this.N = N;
-        state = CONFIGURED;
-        return this;
-    }
-
-    public boolean read(ByteBuffer input) throws IOException {
-        if (state == NEW) {
-            throw new IllegalStateException("Configure first");
-        }
-        if (state == DONE) {
-            return true;
-        }
-        if (!input.hasRemaining()) {
-            return false;
-        }
-        if (state == CONFIGURED) {
-            int max = (2 << (N - 1)) - 1;
-            int n = input.get() & max;
-            if (n != max) {
-                value = n;
-                state = DONE;
-                return true;
-            } else {
-                r = max;
-            }
-            state = FIRST_BYTE_READ;
-        }
-        if (state == FIRST_BYTE_READ) {
-            // variable-length quantity (VLQ)
-            byte i;
-            do {
-                if (!input.hasRemaining()) {
-                    return false;
-                }
-                i = input.get();
-                long increment = b * (i & 127);
-                if (r + increment > maxValue) {
-                    throw new IOException(format(
-                            "Integer overflow: maxValue=%,d, value=%,d",
-                            maxValue, r + increment));
-                }
-                r += increment;
-                b *= 128;
-            } while ((128 & i) == 128);
-
-            value = (int) r;
-            state = DONE;
-            return true;
-        }
-        throw new InternalError(Arrays.toString(
-                new Object[]{state, N, maxValue, value, r, b}));
-    }
-
-    public int get() throws IllegalStateException {
-        if (state != DONE) {
-            throw new IllegalStateException("Has not been fully read yet");
-        }
-        return value;
-    }
-
-    private static void checkPrefix(int N) {
-        if (N < 1 || N > 8) {
-            throw new IllegalArgumentException("1 <= N <= 8: N= " + N);
-        }
-    }
-
-    public IntegerReader reset() {
-        b = 1;
-        state = NEW;
-        return this;
-    }
-}