Performing 'svn diff -rHEAD' with SVNKit

   1 /*
   2  * ====================================================================
   3  * Copyright (c) 2004-2008 TMate Software Ltd.  All rights reserved.
   4  *
   5  * This software is licensed as described in the file COPYING, which
   6  * you should have received as part of this distribution.  The terms
   7  * are also available at http://svnkit.com/license.html.
   8  * If newer versions of this license are posted there, you may use a
   9  * newer version instead, at your option.
  10  * ====================================================================
  11  */
  12 package org.tmatesoft.svn.examples.wc;
  13 import java.io.File;
  14 import java.io.IOException;
  15 import org.tmatesoft.svn.core.SVNCommitInfo;
  16 import org.tmatesoft.svn.core.SVNDepth;
  17 import org.tmatesoft.svn.core.SVNException;
  18 import org.tmatesoft.svn.core.SVNPropertyValue;
  19 import org.tmatesoft.svn.core.SVNURL;
  20 import org.tmatesoft.svn.core.wc.SVNClientManager;
  21 import org.tmatesoft.svn.core.wc.SVNDiffClient;
  22 import org.tmatesoft.svn.core.wc.SVNRevision;
  23 import org.tmatesoft.svn.core.wc.SVNWCClient;
  24 /**
  25  * This examples demonstrate how you can run WORKING:HEAD diff.
  26  *
  27  * @version 1.2.0
  28  * @author  TMate Software Ltd.
  29  */
  30 public class DiffWCToRepository {
  31 
  32     /**
  33      * Pass the absolute path of the base directory where all example data will be created in
  34      * arg[0]. The sample will create:
  35      *
  36      *  - arg[0]/exampleRepository - repository with some test data
  37      *  - arg[0]/exampleWC         - working copy checked out from exampleRepository
  38      */
  39     public static void main (String[] args) {
  40         //initialize SVNKit to work through file:/// protocol
  41         SamplesUtility.initializeFSFSprotocol();
  42 
  43         File baseDirectory = new File(args[0]);
  44         File reposRoot = new File(baseDirectory, "exampleRepository");
  45         File wcRoot = new File(baseDirectory, "exampleWC");
  46 
  47         try {
  48             //1. first create a repository and fill it with data
  49             SamplesUtility.createRepository(reposRoot);
  50             //2. populate the repository with the greek tree in a single transaction
  51             SVNCommitInfo info = SamplesUtility.createRepositoryTree(reposRoot);
  52             //pring out the commit information
  53             System.out.println(info);
  54 
  55             //3. checkout the entire repository tree
  56             SVNURL reposURL = SVNURL.fromFile(reposRoot);
  57             SamplesUtility.checkOutWorkingCopy(reposURL, wcRoot);
  58 
  59             //4. now make some changes to the working copy
  60             SamplesUtility.writeToFile(new File(wcRoot, "iota"), "New text appended to 'iota'", true);
  61             SamplesUtility.writeToFile(new File(wcRoot, "A/mu"), "New text in 'mu'", false);
  62 
  63             SVNClientManager clientManager = SVNClientManager.newInstance();
  64             SVNWCClient wcClient = SVNClientManager.newInstance().getWCClient();
  65             //set some property on a working copy directory
  66             wcClient.doSetProperty(new File(wcRoot, "A/B"), "spam", SVNPropertyValue.create("egg"), false,
  67                     SVNDepth.EMPTY, null, null);
  68 
  69             //5. now run diff the working copy against the repository
  70             SVNDiffClient diffClient = clientManager.getDiffClient();
  71             /*
  72              * This corresponds to 'svn diff -rHEAD'.
  73              */
  74             diffClient.doDiff(wcRoot, SVNRevision.UNDEFINED, SVNRevision.WORKING, SVNRevision.HEAD,
  75                     SVNDepth.INFINITY, true, System.out, null);
  76         } catch (SVNException svne) {
  77             System.out.println(svne.getErrorMessage());
  78             System.exit(1);
  79         } catch (IOException ioe) {
  80             ioe.printStackTrace();
  81             System.exit(1);
  82         }
  83     }
  84 
  85 }