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

   1 /*
   2  * Copyright (C) 2006, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2008, 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.pgm;
  40
  41 import java.text.DateFormat;
  42 import java.text.SimpleDateFormat;
  43 import java.util.TimeZone;
  44
  45 import org.spearce.jgit.lib.PersonIdent;
  46 import org.spearce.jgit.revwalk.RevCommit;
  47
  48 @Command(common = true, usage = "View commit history")
  49 class Log extends RevWalkTextBuiltin {
  50         private final TimeZone myTZ = TimeZone.getDefault();
  51
  52         private final DateFormat fmt;
  53
  54         Log() {
  55                 fmt = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy ZZZZZ");
  56         }
  57
  58         @Override
  59         protected void show(final RevCommit c) throws Exception {
  60                 out.print("commit ");
  61                 c.getId().copyTo(outbuffer, out);
  62                 out.println();
  63
  64                 final PersonIdent author = c.getAuthorIdent();
  65                 out.print("Author: ");
  66                 out.print(author.getName());
  67                 out.print(" <");
  68                 out.print(author.getEmailAddress());
  69                 out.print(">");
  70                 out.println();
  71
  72                 final TimeZone authorTZ = author.getTimeZone();
  73                 fmt.setTimeZone(authorTZ != null ? authorTZ : myTZ);
  74                 out.print("Date:   ");
  75                 out.print(fmt.format(author.getWhen()));
  76                 out.println();
  77
  78                 out.println();
  79                 final String[] lines = c.getFullMessage().split("\n");
  80                 for (final String s : lines) {
  81                         out.print("    ");
  82                         out.print(s);
  83                         out.println();
  84                 }
  85
  86                 out.println();
  87                 out.flush();
  88         }
  89 }