Java Code Examples for org.eclipse.jgit.diff.DiffEntry.ChangeType#DELETE

@Override
protected void onInitialize() {
	super.onInitialize();
	
	if (change.getType() == ChangeType.ADD || change.getType() == ChangeType.COPY) {
		showBlob(change.getNewBlob());
	} else if (change.getType() == ChangeType.DELETE) {
		showBlob(change.getOldBlob());
	} else {
		if (change.getOldText() != null && change.getNewText() != null) {
			if (change.getOldText().getLines().size() + change.getNewText().getLines().size() > DiffUtils.MAX_DIFF_SIZE) {
				add(newFragment("Unable to diff as the file is too large.", true));
			} else if (change.getAdditions() + change.getDeletions() > WebConstants.MAX_SINGLE_DIFF_LINES) {
				add(newFragment("Diff is too large to be displayed.", true));
			} else if (change.getAdditions() + change.getDeletions() == 0 
					&& (commentSupport == null || commentSupport.getComments().isEmpty())) {
				add(newFragment("Content is identical", false));
			} else {
				add(new TextDiffPanel(CONTENT_ID, projectModel, requestModel, change, diffMode, blameModel, commentSupport));
			}
		} else if (change.getOldBlob().isPartial() || change.getNewBlob().isPartial()) {
			add(newFragment("File is too large to be loaded.", true));
		} else if (change.getOldBlob().getMediaType().equals(change.getNewBlob().getMediaType())) {
			Panel diffPanel = null;
			for (DiffRenderer renderer: OneDev.getExtensions(DiffRenderer.class)) {
				diffPanel = renderer.render(CONTENT_ID, change.getNewBlob().getMediaType(), change, diffMode);
				if (diffPanel != null)
					break;
			}
			if (diffPanel != null)
				add(diffPanel);
			else
				add(newFragment("Binary file.", false));
		} else {
			add(newFragment("Binary file.", false));
		}
	}
}
 

public static BlobIdent getNewBlobIdent(DiffEntry diffEntry, String newRev) {
  	BlobIdent blobIdent;
if (diffEntry.getChangeType() != ChangeType.DELETE) {
	blobIdent = new BlobIdent(newRev, diffEntry.getNewPath(), diffEntry.getNewMode().getBits());
} else {
	blobIdent = new BlobIdent(newRev, null, null);
}
return blobIdent;
  }
 

public void fileTreeDiff(Repository repository, RevCommit currentCommit, List<String> javaFilesBefore, List<String> javaFilesCurrent, Map<String, String> renamedFilesHint) throws Exception {
       if (currentCommit.getParentCount() > 0) {
       	ObjectId oldTree = currentCommit.getParent(0).getTree();
        ObjectId newTree = currentCommit.getTree();
       	final TreeWalk tw = new TreeWalk(repository);
       	tw.setRecursive(true);
       	tw.addTree(oldTree);
       	tw.addTree(newTree);

       	final RenameDetector rd = new RenameDetector(repository);
       	rd.setRenameScore(80);
       	rd.addAll(DiffEntry.scan(tw));

       	for (DiffEntry diff : rd.compute(tw.getObjectReader(), null)) {
       		ChangeType changeType = diff.getChangeType();
       		String oldPath = diff.getOldPath();
       		String newPath = diff.getNewPath();
       		if (changeType != ChangeType.ADD) {
        		if (isJavafile(oldPath)) {
        			javaFilesBefore.add(oldPath);
        		}
        	}
       		if (changeType != ChangeType.DELETE) {
        		if (isJavafile(newPath)) {
        			javaFilesCurrent.add(newPath);
        		}
       		}
       		if (changeType == ChangeType.RENAME && diff.getScore() >= rd.getRenameScore()) {
       			if (isJavafile(oldPath) && isJavafile(newPath)) {
       				renamedFilesHint.put(oldPath, newPath);
       			}
       		}
       	}
       }
}
 

private void updateChangedFiles(final RevCommit parent, final int parentIndex, final RevCommit child) {
	final DiffFormatter df = new DiffFormatter(NullOutputStream.INSTANCE);
	df.setRepository(repository);
	df.setDiffComparator(RawTextComparator.DEFAULT);
	df.setDetectRenames(true);

	try {
		final AbstractTreeIterator parentIter = new CanonicalTreeParser(null, repository.newObjectReader(), parent.getTree());
		final AbstractTreeIterator childIter = new CanonicalTreeParser(null, repository.newObjectReader(), child.getTree());
		List<DiffEntry> diffs = df.scan(parentIter, childIter);
		for (final DiffEntry diff : diffs) {
			if (diff.getChangeType() == ChangeType.MODIFY) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.MODIFIED);
				}
			// RENAMED file may have the same/different object id(s) for old and new
			} else if (diff.getChangeType() == ChangeType.RENAME) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.RENAMED);
				}
			} else if (diff.getChangeType() == ChangeType.COPY) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.COPIED);
				}
			// ADDED file should not have old path and its old object id is 0's
			} else if (diff.getChangeType() == ChangeType.ADD) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.ADDED);
				}
			// DELETED file's new object id is 0's and doesn't have new path
			} else if (diff.getChangeType() == ChangeType.DELETE) {
				if (diff.getOldMode().getObjectType() == Constants.OBJ_BLOB) {
					String oldPath = diff.getOldPath();
					String oldObjectId = diff.getOldId().toObjectId().getName();
					ChangedFile.Builder cfb = getChangedFile(oldPath, ChangeKind.DELETED);
					filePathGitObjectIds.put(oldPath, diff.getNewId().toObjectId());
				}
			}
		}
	} catch (final IOException e) {
		if (debug)
			System.err.println("Git Error getting commit diffs: " + e.getMessage());
	}
	df.close();
}
 

private boolean isNotDeleted(DiffEntry aDiffEntry) {
    return aDiffEntry.getChangeType() != ChangeType.DELETE;
}
 

/**
 * Determines whether the file is deleted
 *
 * @return True if the file is deleted
 */
public boolean isDeleted() {
    return diffEntry.getChangeType() == ChangeType.DELETE;
}