org.spearce.jgit/src/org/spearce/jgit/pgm/LsTree.java

   1 /*
   2  *  Copyright (C) 2008  Shawn Pearce <spearce@spearce.org>
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU General Public
   6  *  License, version 2, as published by the Free Software Foundation.
   7  *
   8  *  This library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public
  14  *  License along with this library; if not, write to the Free Software
  15  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  16  */
  17 package org.spearce.jgit.pgm;
  18
  19 import java.io.File;
  20
  21 import org.spearce.jgit.lib.Constants;
  22 import org.spearce.jgit.lib.FileMode;
  23 import org.spearce.jgit.treewalk.FileTreeIterator;
  24 import org.spearce.jgit.treewalk.TreeWalk;
  25
  26 class LsTree extends TextBuiltin {
  27         @Override
  28         void execute(final String[] args) throws Exception {
  29                 final TreeWalk walk = new TreeWalk(db);
  30                 int argi = 0;
  31                 for (; argi < args.length; argi++) {
  32                         final String a = args[argi];
  33                         if ("--".equals(a)) {
  34                                 argi++;
  35                                 break;
  36                         } else if ("-r".equals(a))
  37                                 walk.setRecursive(true);
  38                         else
  39                                 break;
  40                 }
  41
  42                 if (argi == args.length)
  43                         throw die("usage: [-r] treename");
  44                 else if (argi + 1 < args.length)
  45                         throw die("too many arguments");
  46
  47                 final String n = args[argi];
  48                 if (is_WorkDir(n))
  49                         walk.addTree(new FileTreeIterator(new File(n)));
  50                 else
  51                         walk.addTree(resolve(n));
  52
  53                 while (walk.next()) {
  54                         final FileMode mode = walk.getFileMode(0);
  55                         if (mode == FileMode.TREE)
  56                                 out.print('0');
  57                         out.print(mode);
  58                         out.print(' ');
  59                         out.print(Constants.typeString(mode.getObjectType()));
  60
  61                         out.print(' ');
  62                         out.print(walk.getObjectId(0));
  63
  64                         out.print('\t');
  65                         out.print(walk.getPathString());
  66                         out.println();
  67                 }
  68         }
  69
  70         private boolean is_WorkDir(final String name) {
  71                 return new File(name).isDirectory();
  72         }
  73 }