org.spearce.jgit/src/org/spearce/jgit/lib/SymlinkTreeEntry.java

   1 /*
   2  * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2007, Shawn O. Pearce <spearce@spearce.org>
   4  *
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or
   8  * without modification, are permitted provided that the following
   9  * conditions are met:
  10  *
  11  * - Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  *
  14  * - Redistributions in binary form must reproduce the above
  15  *   copyright notice, this list of conditions and the following
  16  *   disclaimer in the documentation and/or other materials provided
  17  *   with the distribution.
  18  *
  19  * - Neither the name of the Git Development Community nor the
  20  *   names of its contributors may be used to endorse or promote
  21  *   products derived from this software without specific prior
  22  *   written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  25  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  29  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  31  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  34  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 package org.spearce.jgit.lib;
  40
  41 import java.io.IOException;
  42
  43 /**
  44  * A tree entry representing a symbolic link.
  45  *
  46  * Note. Java cannot really handle these as file system objects.
  47  */
  48 public class SymlinkTreeEntry extends TreeEntry {
  49         private static final long serialVersionUID = 1L;
  50
  51         /**
  52          * Construct a {@link SymlinkTreeEntry} with the specified name and SHA-1 in
  53          * the specified parent
  54          *
  55          * @param parent
  56          * @param id
  57          * @param nameUTF8
  58          */
  59         public SymlinkTreeEntry(final Tree parent, final ObjectId id,
  60                         final byte[] nameUTF8) {
  61                 super(parent, id, nameUTF8);
  62         }
  63
  64         public FileMode getMode() {
  65                 return FileMode.SYMLINK;
  66         }
  67
  68         public void accept(final TreeVisitor tv, final int flags)
  69                         throws IOException {
  70                 if ((MODIFIED_ONLY & flags) == MODIFIED_ONLY && !isModified()) {
  71                         return;
  72                 }
  73
  74                 tv.visitSymlink(this);
  75         }
  76
  77         public String toString() {
  78                 final StringBuffer r = new StringBuffer();
  79                 r.append(ObjectId.toString(getId()));
  80                 r.append(" S ");
  81                 r.append(getFullName());
  82                 return r.toString();
  83         }
  84 }