James Moger
2011-04-18 ff369d23bd12f501b59726cbec77512e2f39fd13
src/com/gitblit/utils/JGitUtils.java
@@ -20,6 +20,9 @@
import org.eclipse.jgit.diff.DiffFormatter;
import org.eclipse.jgit.diff.RawTextComparator;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.errors.StopWalkException;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
@@ -34,6 +37,7 @@
import org.eclipse.jgit.revwalk.RevObject;
import org.eclipse.jgit.revwalk.RevTree;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.revwalk.filter.RevFilter;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
import org.eclipse.jgit.treewalk.filter.PathFilter;
@@ -288,20 +292,35 @@
   }
   public static String getCommitDiff(Repository r, RevCommit commit, boolean outputHtml) {
      return getCommitDiff(r, commit, null, outputHtml);
      return getCommitDiff(r, null, commit, null, outputHtml);
   }
   public static String getCommitDiff(Repository r, RevCommit commit, String path, boolean outputHtml) {
      return getCommitDiff(r, null, commit, path, outputHtml);
   }
   public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit, boolean outputHtml) {
      return getCommitDiff(r, baseCommit, commit, null, outputHtml);
   }
   public static String getCommitDiff(Repository r, RevCommit baseCommit, RevCommit commit, String path, boolean outputHtml) {
      try {
         final RevWalk rw = new RevWalk(r);
         RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
         RevTree parentTree = parent.getTree();
         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(parentTree);
         walk.addTree(baseTree);
         walk.addTree(commitTree);
         walk.setFilter(TreeFilter.ANY_DIFF);
@@ -316,7 +335,7 @@
         df.setRepository(r);
         df.setDiffComparator(cmp);
         df.setDetectRenames(true);
         List<DiffEntry> diffs = df.scan(parentTree, commitTree);
         List<DiffEntry> diffs = df.scan(baseTree, commitTree);
         if (path != null && path.length() > 0) {
            for (DiffEntry diff : diffs) {
               if (diff.getNewPath().equalsIgnoreCase(path)) {
@@ -347,16 +366,25 @@
   }
   public static String getCommitPatch(Repository r, RevCommit commit, String path) {
      return getCommitPatch(r, null, commit, path);
   }
   public static String getCommitPatch(Repository r, RevCommit baseCommit, RevCommit commit, String path) {
      try {
         final RevWalk rw = new RevWalk(r);
         RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
         RevTree parentTree = parent.getTree();
         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(parentTree);
         walk.addTree(baseTree);
         walk.addTree(commitTree);
         walk.setFilter(TreeFilter.ANY_DIFF);
@@ -366,7 +394,7 @@
         df.setRepository(r);
         df.setDiffComparator(cmp);
         df.setDetectRenames(true);
         List<DiffEntry> diffs = df.scan(parentTree, commitTree);
         List<DiffEntry> diffs = df.scan(baseTree, commitTree);
         if (path != null && path.length() > 0) {
            for (DiffEntry diff : diffs) {
               if (diff.getNewPath().equalsIgnoreCase(path)) {
@@ -439,7 +467,7 @@
   public static List<RevCommit> getRevLog(Repository r, String objectId, int offset, int maxCount) {
      return getRevLog(r, objectId, null, offset, maxCount);
   }
   public static List<RevCommit> getRevLog(Repository r, String objectId, String path, int offset, int maxCount) {
      List<RevCommit> list = new ArrayList<RevCommit>();
      try {
@@ -450,9 +478,7 @@
         ObjectId object = r.resolve(objectId);
         walk.markStart(walk.parseCommit(object));
         if (!StringUtils.isEmpty(path)) {
            TreeFilter filter = AndTreeFilter.create(PathFilterGroup
                  .createFromStrings(Collections.singleton(path)),
                  TreeFilter.ANY_DIFF);
            TreeFilter filter = AndTreeFilter.create(PathFilterGroup.createFromStrings(Collections.singleton(path)), TreeFilter.ANY_DIFF);
            walk.setTreeFilter(filter);
         }
         Iterable<RevCommit> revlog = walk;
@@ -482,6 +508,77 @@
      return list;
   }
   public static enum SearchType {
      AUTHOR, COMMITTER, COMMIT;
      public static SearchType forName(String name) {
         for (SearchType type : values()) {
            if (type.name().equalsIgnoreCase(name)) {
               return type;
            }
         }
         return null;
      }
   }
   public static List<RevCommit> searchRevlogs(Repository r, String objectId, String value, final SearchType type, int offset, int maxCount) {
      final String lcValue = value.toLowerCase();
      List<RevCommit> list = new ArrayList<RevCommit>();
      try {
         if (objectId == null || objectId.trim().length() == 0) {
            objectId = Constants.HEAD;
         }
         RevWalk walk = new RevWalk(r);
         walk.setRevFilter(new RevFilter() {
            @Override
            public RevFilter clone() {
               return this;
            }
            @Override
            public boolean include(RevWalk walker, RevCommit commit) throws StopWalkException, MissingObjectException, IncorrectObjectTypeException, IOException {
               switch (type) {
               case AUTHOR:
                  return (commit.getAuthorIdent().getName().toLowerCase().indexOf(lcValue) > -1) || (commit.getAuthorIdent().getEmailAddress().toLowerCase().indexOf(lcValue) > -1);
               case COMMITTER:
                  return (commit.getCommitterIdent().getName().toLowerCase().indexOf(lcValue) > -1)|| (commit.getCommitterIdent().getEmailAddress().toLowerCase().indexOf(lcValue) > -1);
               case COMMIT:
                  return commit.getFullMessage().toLowerCase().indexOf(lcValue) > -1;
               }
               return false;
            }
         });
         ObjectId object = r.resolve(objectId);
         walk.markStart(walk.parseCommit(object));
         Iterable<RevCommit> revlog = walk;
         if (offset > 0) {
            int count = 0;
            for (RevCommit rev : revlog) {
               count++;
               if (count > offset) {
                  list.add(rev);
                  if (maxCount > 0 && list.size() == maxCount) {
                     break;
                  }
               }
            }
         } else {
            for (RevCommit rev : revlog) {
               list.add(rev);
               if (maxCount > 0 && list.size() == maxCount) {
                  break;
               }
            }
         }
         walk.dispose();
      } catch (Throwable t) {
         LOGGER.error("Failed to determine last change", t);
      }
      return list;
   }
   public static List<RefModel> getTags(Repository r, int maxCount) {
      return getRefs(r, Constants.R_TAGS, maxCount);
   }