Codepro analyze dependencies. Documentation.

James Moger

2011-05-27 1f9daef870a8c7a984955166a542628d69012ed5

 src/com/gitblit/utils/JGitUtils.java

@@ -73,12 +73,12 @@
import org.slf4j.Logger;

import org.slf4j.LoggerFactory;



import com.gitblit.wicket.models.Metric;

import com.gitblit.wicket.models.PathModel;

import com.gitblit.wicket.models.PathModel.PathChangeModel;

import com.gitblit.wicket.models.RefModel;

import com.gitblit.wicket.models.TicketModel;

import com.gitblit.wicket.models.TicketModel.Comment;

import com.gitblit.models.Metric;

import com.gitblit.models.PathModel;

import com.gitblit.models.RefModel;

import com.gitblit.models.TicketModel;

import com.gitblit.models.PathModel.PathChangeModel;

import com.gitblit.models.TicketModel.Comment;



public class JGitUtils {



@@ -183,11 +183,18 @@
   }



   public static boolean hasCommits(Repository r) {

      if (r != null && r.getDirectory().exists()) {

      return new File(r.getDirectory(), Constants.R_HEADS).list().length > 0;

      }

      return false;		
   }



   public static Date getLastChange(Repository r) {

      if (!hasCommits(r)) {

         // null repository

         if (r == null) {

            return new Date(0);

         }

         // fresh repository

         return new Date(r.getDirectory().lastModified());

      }

@@ -458,132 +465,6 @@
         }

         return null;

      }

   }



   public static String getCommitDiff(Repository r, RevCommit commit, DiffOutputType outputType) {

      return getCommitDiff(r, null, commit, null, outputType);

   }



   public static String getCommitDiff(Repository r, RevCommit commit, String path,

         DiffOutputType outputType) {

      return getCommitDiff(r, null, commit, path, outputType);

   }



   public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit,

         DiffOutputType outputType) {

      return getCommitDiff(r, baseCommit, commit, null, outputType);

   }



   public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit,

         String path, DiffOutputType outputType) {

      try {

         RevTree baseTree;

         if (baseCommit == null) {

            final RevWalk rw = new RevWalk(r);

            RevCommit parent = rw.parseCommit(commit.getParent(0).getId());

            rw.dispose();

            baseTree = parent.getTree();

         } else {

            baseTree = baseCommit.getTree();

         }



         RevTree commitTree = commit.getTree();



         final TreeWalk walk = new TreeWalk(r);

         walk.reset();

         walk.setRecursive(true);

         walk.addTree(baseTree);

         walk.addTree(commitTree);

         walk.setFilter(TreeFilter.ANY_DIFF);



         final ByteArrayOutputStream os = new ByteArrayOutputStream();

         RawTextComparator cmp = RawTextComparator.DEFAULT;

         DiffFormatter df;

         switch (outputType) {

         case GITWEB:

            df = new GitWebDiffFormatter(os);

            break;

         case GITBLIT:

            df = new GitBlitDiffFormatter(os);

            break;

         case PLAIN:

         default:

            df = new DiffFormatter(os);

            break;

         }

         df.setRepository(r);

         df.setDiffComparator(cmp);

         df.setDetectRenames(true);

         List<DiffEntry> diffs = df.scan(baseTree, commitTree);

         if (path != null && path.length() > 0) {

            for (DiffEntry diff : diffs) {

               if (diff.getNewPath().equalsIgnoreCase(path)) {

                  df.format(diff);

                  break;

               }

            }

         } else {

            df.format(diffs);

         }

         String diff;

         if (df instanceof GitWebDiffFormatter) {

            // workaround for complex private methods in DiffFormatter

            diff = ((GitWebDiffFormatter) df).getHtml();

         } else {

            diff = os.toString();

         }

         df.flush();

         return diff;

      } catch (Throwable t) {

         LOGGER.error("failed to generate commit diff!", t);

      }

      return null;

   }



   public static String getCommitPatch(Repository r, RevCommit baseCommit, RevCommit commit,

         String path) {

      try {

         RevTree baseTree;

         if (baseCommit == null) {

            final RevWalk rw = new RevWalk(r);

            RevCommit parent = rw.parseCommit(commit.getParent(0).getId());

            baseTree = parent.getTree();

         } else {

            baseTree = baseCommit.getTree();

         }

         RevTree commitTree = commit.getTree();



         final TreeWalk walk = new TreeWalk(r);

         walk.reset();

         walk.setRecursive(true);

         walk.addTree(baseTree);

         walk.addTree(commitTree);

         walk.setFilter(TreeFilter.ANY_DIFF);



         final ByteArrayOutputStream os = new ByteArrayOutputStream();

         RawTextComparator cmp = RawTextComparator.DEFAULT;

         PatchFormatter df = new PatchFormatter(os);

         df.setRepository(r);

         df.setDiffComparator(cmp);

         df.setDetectRenames(true);

         List<DiffEntry> diffs = df.scan(baseTree, commitTree);

         if (path != null && path.length() > 0) {

            for (DiffEntry diff : diffs) {

               if (diff.getNewPath().equalsIgnoreCase(path)) {

                  df.format(diff);

                  break;

               }

            }

         } else {

            df.format(diffs);

         }

         String diff = df.getPatch(commit);

         df.flush();

         return diff;

      } catch (Throwable t) {

         LOGGER.error("failed to generate commit diff!", t);

      }

      return null;

   }



   private static PathModel getPathModel(TreeWalk walk, String basePath, RevCommit commit) {