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Diffstat (limited to 'org.eclipse.jgit/src/org/eclipse/jgit/lib/TreeVisitor.java')
-rw-r--r-- | org.eclipse.jgit/src/org/eclipse/jgit/lib/TreeVisitor.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/TreeVisitor.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TreeVisitor.java new file mode 100644 index 0000000000..1745515460 --- /dev/null +++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TreeVisitor.java @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2009, Jonas Fonseca <fonseca@diku.dk> + * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com> + * Copyright (C) 2006-2007, 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.io.IOException; + +/** + * A TreeVisitor is invoked depth first for every node in a tree and is expected + * to perform different actions. + */ +public interface TreeVisitor { + /** + * Visit to a tree node before child nodes are visited. + * + * @param t + * Tree + * @throws IOException + */ + public void startVisitTree(final Tree t) throws IOException; + + /** + * Visit to a tree node. after child nodes have been visited. + * + * @param t Tree + * @throws IOException + */ + public void endVisitTree(final Tree t) throws IOException; + + /** + * Visit to a blob. + * + * @param f Blob + * @throws IOException + */ + public void visitFile(final FileTreeEntry f) throws IOException; + + /** + * Visit to a symlink. + * + * @param s Symlink entry + * @throws IOException + */ + public void visitSymlink(final SymlinkTreeEntry s) throws IOException; + + /** + * Visit to a gitlink. + * + * @param s Gitlink entry + * @throws IOException + */ + public void visitGitlink(final GitlinkTreeEntry s) throws IOException; +} |