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- /*
- * Copyright (C) 2009, Constantine Plotnikov <constantine.plotnikov@gmail.com>
- * Copyright (C) 2009, Google Inc.
- * Copyright (C) 2009, JetBrains s.r.o.
- * 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.io.FileNotFoundException;
- import java.io.IOException;
-
- import org.eclipse.jgit.errors.ConfigInvalidException;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.eclipse.jgit.util.RawParseUtils;
-
- /**
- * The configuration file based on the blobs stored in the repository
- */
- public class BlobBasedConfig extends Config {
- /**
- * The constructor from a byte array
- *
- * @param base
- * the base configuration file
- * @param blob
- * the byte array, should be UTF-8 encoded text.
- * @throws ConfigInvalidException
- * the byte array is not a valid configuration format.
- */
- public BlobBasedConfig(Config base, final byte[] blob)
- throws ConfigInvalidException {
- super(base);
- fromText(RawParseUtils.decode(blob));
- }
-
- /**
- * The constructor from object identifier
- *
- * @param base
- * the base configuration file
- * @param r
- * the repository
- * @param objectId
- * the object identifier
- * @throws IOException
- * the blob cannot be read from the repository.
- * @throws ConfigInvalidException
- * the blob is not a valid configuration format.
- */
- public BlobBasedConfig(Config base, final Repository r,
- final ObjectId objectId) throws IOException, ConfigInvalidException {
- super(base);
- final ObjectLoader loader = r.openBlob(objectId);
- if (loader == null)
- throw new IOException("Blob not found: " + objectId);
- fromText(RawParseUtils.decode(loader.getBytes()));
- }
-
- /**
- * The constructor from commit and path
- *
- * @param base
- * the base configuration file
- * @param commit
- * the commit that contains the object
- * @param path
- * the path within the tree of the commit
- * @throws FileNotFoundException
- * the path does not exist in the commit's tree.
- * @throws IOException
- * the tree and/or blob cannot be accessed.
- * @throws ConfigInvalidException
- * the blob is not a valid configuration format.
- */
- public BlobBasedConfig(Config base, final Commit commit, final String path)
- throws FileNotFoundException, IOException, ConfigInvalidException {
- super(base);
- final ObjectId treeId = commit.getTreeId();
- final Repository r = commit.getRepository();
- final TreeWalk tree = TreeWalk.forPath(r, path, treeId);
- if (tree == null)
- throw new FileNotFoundException("Entry not found by path: " + path);
- final ObjectId blobId = tree.getObjectId(0);
- final ObjectLoader loader = tree.getRepository().openBlob(blobId);
- if (loader == null)
- throw new IOException("Blob not found: " + blobId + " for path: "
- + path);
- fromText(RawParseUtils.decode(loader.getBytes()));
- }
- }
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