RevBlob.java

/*
 * Copyright (C) 2009, Google Inc.
 * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0 which is available at
 * https://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package org.eclipse.jgit.revwalk;

import java.io.IOException;

import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.Constants;

/**
 * A binary file, or a symbolic link.
 */
public class RevBlob extends RevObject {
    /**
     * Create a new blob reference.
     *
     * @param id
     *            object name for the blob.
     */
    protected RevBlob(AnyObjectId id) {
        super(id);
    }

    /** {@inheritDoc} */
    @Override
    public final int getType() {
        return Constants.OBJ_BLOB;
    }

    @Override
    void parseHeaders(RevWalk walk) throws MissingObjectException,
            IncorrectObjectTypeException, IOException {
        if (walk.reader.has(this))
            flags |= PARSED;
        else
            throw new MissingObjectException(this, getType());
    }

    @Override
    void parseBody(RevWalk walk) throws MissingObjectException,
            IncorrectObjectTypeException, IOException {
        if ((flags & PARSED) == 0)
            parseHeaders(walk);
    }
}