123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238 |
- /*
- * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2006-2008, Shawn O. Pearce <spearce@spearce.org>
- * Copyright (C) 2009, Google Inc.
- * 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 static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
- import static org.eclipse.jgit.lib.Constants.OBJ_TREE;
-
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.IOException;
- import java.io.InputStream;
-
- /**
- * A class for writing loose objects.
- *
- * @deprecated Use {@link Repository#newObjectInserter()}.
- */
- public class ObjectWriter {
- private final ObjectInserter inserter;
-
- /**
- * Construct an Object writer for the specified repository
- *
- * @param d
- */
- public ObjectWriter(final Repository d) {
- inserter = d.newObjectInserter();
- }
-
- /**
- * Write a blob with the specified data
- *
- * @param b
- * bytes of the blob
- * @return SHA-1 of the blob
- * @throws IOException
- */
- public ObjectId writeBlob(final byte[] b) throws IOException {
- try {
- ObjectId id = inserter.insert(OBJ_BLOB, b);
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Write a blob with the data in the specified file
- *
- * @param f
- * a file containing blob data
- * @return SHA-1 of the blob
- * @throws IOException
- */
- public ObjectId writeBlob(final File f) throws IOException {
- final FileInputStream is = new FileInputStream(f);
- try {
- return writeBlob(f.length(), is);
- } finally {
- is.close();
- }
- }
-
- /**
- * Write a blob with data from a stream
- *
- * @param len
- * number of bytes to consume from the stream
- * @param is
- * stream with blob data
- * @return SHA-1 of the blob
- * @throws IOException
- */
- public ObjectId writeBlob(final long len, final InputStream is)
- throws IOException {
- try {
- ObjectId id = inserter.insert(OBJ_BLOB, len, is);
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Write a Tree to the object database.
- *
- * @param tree
- * Tree
- * @return SHA-1 of the tree
- * @throws IOException
- */
- public ObjectId writeTree(Tree tree) throws IOException {
- try {
- ObjectId id = inserter.insert(OBJ_TREE, inserter.format(tree));
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Write a canonical tree to the object database.
- *
- * @param treeData
- * the canonical encoding of the tree object.
- * @return SHA-1 of the tree
- * @throws IOException
- */
- public ObjectId writeCanonicalTree(byte[] treeData) throws IOException {
- try {
- ObjectId id = inserter.insert(OBJ_TREE, treeData);
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Write a Commit to the object database
- *
- * @param commit
- * Commit to store
- * @return SHA-1 of the commit
- * @throws IOException
- */
- public ObjectId writeCommit(CommitBuilder commit) throws IOException {
- try {
- ObjectId id = inserter.insert(commit);
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Write an annotated Tag to the object database
- *
- * @param tag
- * Tag
- * @return SHA-1 of the tag
- * @throws IOException
- */
- public ObjectId writeTag(TagBuilder tag) throws IOException {
- try {
- ObjectId id = inserter.insert(tag);
- inserter.flush();
- return id;
- } finally {
- inserter.release();
- }
- }
-
- /**
- * Compute the SHA-1 of a blob without creating an object. This is for
- * figuring out if we already have a blob or not.
- *
- * @param len
- * number of bytes to consume
- * @param is
- * stream for read blob data from
- * @return SHA-1 of a looked for blob
- * @throws IOException
- */
- public ObjectId computeBlobSha1(long len, InputStream is)
- throws IOException {
- return computeObjectSha1(OBJ_BLOB, len, is);
- }
-
- /**
- * Compute the SHA-1 of an object without actually creating an object in the
- * database
- *
- * @param type
- * kind of object
- * @param len
- * number of bytes to consume
- * @param is
- * stream for read data from
- * @return SHA-1 of data combined with type information
- * @throws IOException
- */
- public ObjectId computeObjectSha1(int type, long len, InputStream is)
- throws IOException {
- try {
- return inserter.idFor(type, len, is);
- } finally {
- inserter.release();
- }
- }
- }
|