private Path path(final DiffEntry s) {
final ChangeType changeType = s.getChangeType();
switch (changeType) {
case DELETE:
return Paths.get(s.getOldPath());
case ADD:
return Paths.get(s.getNewPath());
case COPY:
return Paths.get(s.getNewPath());
case MODIFY:
return Paths.get(s.getNewPath());
case RENAME:
return Paths.get(s.getNewPath());
default:
throw new RuntimeException("Unrecognized change type: " + changeType);
}
}
@Override
public void format(DiffEntry ent) throws IOException {
currentPath = diffStat.addPath(ent);
nofLinesCurrent = 0;
isOff = false;
entry = ent;
if (!truncated) {
totalNofLinesPrevious = totalNofLinesCurrent;
if (globalDiffLimit > 0 && totalNofLinesPrevious > globalDiffLimit) {
truncated = true;
isOff = true;
}
truncateTo = os.size();
} else {
isOff = true;
}
if (truncated) {
skipped.add(ent);
} else {
// Produce a header here and now
String path;
String id;
if (ChangeType.DELETE.equals(ent.getChangeType())) {
path = ent.getOldPath();
id = ent.getOldId().name();
} else {
path = ent.getNewPath();
id = ent.getNewId().name();
}
StringBuilder sb =
new StringBuilder(
MessageFormat.format(
"<div class='header'><div class=\"diffHeader\" id=\"n{0}\"><i class=\"icon-file\"></i> ",
id));
sb.append(StringUtils.escapeForHtml(path, false)).append("</div></div>");
sb.append("<div class=\"diff\"><table cellpadding='0'><tbody>\n");
os.write(sb.toString().getBytes());
}
// Keep formatting, but if off, don't produce anything anymore. We just keep on counting.
super.format(ent);
if (!truncated) {
// Close the table
os.write("</tbody></table></div>\n".getBytes());
}
}
/**
* Writes an initial table row containing information about added/removed/renamed/copied files. In
* case of a deletion, we also suppress generating the diff; it's not interesting. (All lines
* removed.)
*/
private void handleChange() {
// XXX Would be nice if we could generate blob links for the cases handled here. Alas, we lack
// the repo
// name, and cannot reliably determine it here. We could get the .git directory of a Repository,
// if we
// passed in the repo, and then take the name of the parent directory, but that'd fail for repos
// nested
// in GitBlit projects. And we don't know if the repo is inside a project or is a top-level
// repo.
//
// That's certainly solvable (just pass along more information), but would require a larger
// rewrite than
// I'm prepared to do now.
String message;
switch (entry.getChangeType()) {
case ADD:
message = getMsg("gb.diffNewFile", "New file");
break;
case DELETE:
message = getMsg("gb.diffDeletedFile", "File was deleted");
isOff = true;
break;
case RENAME:
message =
MessageFormat.format(
getMsg("gb.diffRenamedFile", "File was renamed from {0}"), entry.getOldPath());
break;
case COPY:
message =
MessageFormat.format(
getMsg("gb.diffCopiedFile", "File was copied from {0}"), entry.getOldPath());
break;
default:
return;
}
writeFullWidthLine(message);
}
/**
* Workaround function for complex private methods in DiffFormatter. This sets the html for the
* diff headers.
*
* @return
*/
public String getHtml() {
String html = RawParseUtils.decode(os.toByteArray());
String[] lines = html.split("\n");
StringBuilder sb = new StringBuilder();
for (String line : lines) {
if (line.startsWith("index")) {
// skip index lines
} else if (line.startsWith("new file") || line.startsWith("deleted file")) {
// skip new file lines
} else if (line.startsWith("\\ No newline")) {
// skip no new line
} else if (line.startsWith("---") || line.startsWith("+++")) {
// skip --- +++ lines
} else if (line.startsWith("diff")) {
// skip diff lines
} else {
boolean gitLinkDiff =
line.length() > 0 && line.substring(1).startsWith("Subproject commit");
if (gitLinkDiff) {
sb.append("<tr><th class='diff-line'></th><th class='diff-line'></th>");
if (line.charAt(0) == '+') {
sb.append("<th class='diff-state diff-state-add'></th><td class=\"diff-cell add2\">");
} else {
sb.append(
"<th class='diff-state diff-state-sub'></th><td class=\"diff-cell remove2\">");
}
line = StringUtils.escapeForHtml(line.substring(1), false);
}
sb.append(line);
if (gitLinkDiff) {
sb.append("</td></tr>");
}
sb.append('\n');
}
}
if (truncated) {
sb.append(
MessageFormat.format(
"<div class='header'><div class='diffHeader'>{0}</div></div>",
StringUtils.escapeForHtml(
getMsg("gb.diffTruncated", "Diff truncated after the above file"), false)));
// List all files not shown. We can be sure we do have at least one path in skipped.
sb.append(
"<div class='diff'><table cellpadding='0'><tbody><tr><td class='diff-cell' colspan='4'>");
String deletedSuffix =
StringUtils.escapeForHtml(getMsg("gb.diffDeletedFileSkipped", "(deleted)"), false);
boolean first = true;
for (DiffEntry entry : skipped) {
if (!first) {
sb.append('\n');
}
if (ChangeType.DELETE.equals(entry.getChangeType())) {
sb.append(
"<span id=\"n"
+ entry.getOldId().name()
+ "\">"
+ StringUtils.escapeForHtml(entry.getOldPath(), false)
+ ' '
+ deletedSuffix
+ "</span>");
} else {
sb.append(
"<span id=\"n"
+ entry.getNewId().name()
+ "\">"
+ StringUtils.escapeForHtml(entry.getNewPath(), false)
+ "</span>");
}
first = false;
}
skipped.clear();
sb.append("</td></tr></tbody></table></div>");
}
return sb.toString();
}
public static List<PathChangeModel> getFilesInCommit(Repository repository, RevCommit commit) {
List<PathChangeModel> list = new ArrayList<PathChangeModel>();
if (!hasCommits(repository)) {
return list;
}
RevWalk rw = new RevWalk(repository);
try {
if (commit == null) {
ObjectId object = getDefaultBranch(repository);
commit = rw.parseCommit(object);
}
if (commit.getParentCount() == 0) {
TreeWalk tw = new TreeWalk(repository);
tw.reset();
tw.setRecursive(true);
tw.addTree(commit.getTree());
while (tw.next()) {
list.add(
new PathChangeModel(
tw.getPathString(),
tw.getPathString(),
0,
tw.getRawMode(0),
commit.getId().getName(),
ChangeType.ADD));
}
tw.release();
} else {
RevCommit parent = rw.parseCommit(commit.getParent(0).getId());
DiffFormatter df = new DiffFormatter(DisabledOutputStream.INSTANCE);
df.setRepository(repository);
df.setDiffComparator(RawTextComparator.DEFAULT);
df.setDetectRenames(true);
List<DiffEntry> diffs = df.scan(parent.getTree(), commit.getTree());
for (DiffEntry diff : diffs) {
if (diff.getChangeType().equals(ChangeType.DELETE)) {
list.add(
new PathChangeModel(
diff.getOldPath(),
diff.getOldPath(),
0,
diff.getNewMode().getBits(),
commit.getId().getName(),
diff.getChangeType()));
} else {
list.add(
new PathChangeModel(
diff.getNewPath(),
diff.getNewPath(),
0,
diff.getNewMode().getBits(),
commit.getId().getName(),
diff.getChangeType()));
}
}
}
} catch (Throwable t) {
// todo
Logger.error(t, t.getMessage());
} finally {
rw.dispose();
}
return list;
}
private static boolean isRename(DiffEntry ent) {
return ent.getChangeType() == ChangeType.RENAME || ent.getChangeType() == ChangeType.COPY;
}
public String getDiffText(String str) {
int filenubs = 0;
int lines = 0;
FileRepositoryBuilder builder = new FileRepositoryBuilder();
File gitDir = new File("F:/work/demo-rio/.git");
Repository repository = null;
try {
if (git == null) {
git = Git.open(gitDir);
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
String cid = str;
repository = builder.setGitDir(gitDir).readEnvironment().findGitDir().build();
RevWalk walk = new RevWalk(repository);
ObjectId objId = ObjectId.fromString(cid);
RevCommit commit = walk.parseCommit(objId);
System.out.println(commit.getFullMessage());
TreeWalk tw = new TreeWalk(repository);
RevCommit[] parent_commits = commit.getParents();
if (parent_commits.length == 0) {
throw new Exception("当前只有一个版本");
}
ObjectId objId2 = parent_commits[0].toObjectId();
RevCommit paren_commit = walk.parseCommit(objId2);
tw.addTree(paren_commit.getTree());
tw.addTree(commit.getTree());
tw.setRecursive(true);
ByteArrayOutputStream out = new ByteArrayOutputStream();
DiffFormatter df = new DiffFormatter(out);
df.setRepository(git.getRepository());
RenameDetector rd = new RenameDetector(repository);
rd.addAll(DiffEntry.scan(tw));
List<DiffEntry> diffEntries = rd.compute();
if (diffEntries != null || diffEntries.size() != 0) {
Iterator<DiffEntry> iterator = new ArrayList<DiffEntry>(diffEntries).iterator();
DiffEntry diffEntry = null;
while (iterator.hasNext()) {
diffEntry = iterator.next();
String changeType = diffEntry.getChangeType().toString();
String type = "";
if (changeType.equals("DELETE")) {
type = ConfigUtil.getFileType(diffEntry.getOldPath());
filenubs++;
System.out.println(diffEntry.getOldPath());
} else {
type = ConfigUtil.getFileType(diffEntry.getNewPath());
filenubs++;
System.out.println(diffEntry.getNewPath());
}
// 检查文件的后缀
// System.out.println(type);
if (fileTypes.contains(type)) {
df.format(diffEntry);
String diffText = out.toString("UTF-8");
lines += scanDiffText(diffText);
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return filenubs + "&" + lines;
// System.out.println("the changed file nubs: "+ filenubs);
// System.out.println("the changed linr nubs: "+ lines);
}