12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 |
- /*
- * Copyright (C) 2008-2009, Google Inc.
- * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2006-2008, Shawn O. Pearce <spearce@spearce.org>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.lib;
-
- import java.util.zip.DataFormatException;
- import java.util.zip.Inflater;
-
- /**
- * A {@link ByteWindow} with an underlying byte array for storage.
- */
- final class ByteArrayWindow extends ByteWindow {
- private final byte[] array;
-
- ByteArrayWindow(final PackFile pack, final long o, final byte[] b) {
- super(pack, o, b.length);
- array = b;
- }
-
- @Override
- protected int copy(final int p, final byte[] b, final int o, int n) {
- n = Math.min(array.length - p, n);
- System.arraycopy(array, p, b, o, n);
- return n;
- }
-
- @Override
- protected int inflate(final int pos, final byte[] b, int o,
- final Inflater inf) throws DataFormatException {
- while (!inf.finished()) {
- if (inf.needsInput()) {
- inf.setInput(array, pos, array.length - pos);
- break;
- }
- o += inf.inflate(b, o, b.length - o);
- }
- while (!inf.finished() && !inf.needsInput())
- o += inf.inflate(b, o, b.length - o);
- return o;
- }
-
- @Override
- protected void inflateVerify(final int pos, final Inflater inf)
- throws DataFormatException {
- while (!inf.finished()) {
- if (inf.needsInput()) {
- inf.setInput(array, pos, array.length - pos);
- break;
- }
- inf.inflate(verifyGarbageBuffer, 0, verifyGarbageBuffer.length);
- }
- while (!inf.finished() && !inf.needsInput())
- inf.inflate(verifyGarbageBuffer, 0, verifyGarbageBuffer.length);
- }
- }
|