Examples with Interner com.intellij.util.containers.Interner used on opensource projects

Example 1 with Interner

use of com.intellij.util.containers.Interner in project intellij-community by JetBrains.

the class GitAnnotationProvider method parseAnnotations.

@NotNull
private GitFileAnnotation parseAnnotations(@Nullable VcsRevisionNumber revision, @NotNull VirtualFile file, @NotNull VirtualFile root, @NotNull String output) throws VcsException {
    Interner<FilePath> pathInterner = new Interner<>();
    try {
        List<LineInfo> lines = new ArrayList<>();
        HashMap<String, LineInfo> commits = new HashMap<>();
        for (StringScanner s = new StringScanner(output); s.hasMoreData(); ) {
            // parse header line
            String commitHash = s.spaceToken();
            if (commitHash.equals(GitRevisionNumber.NOT_COMMITTED_HASH)) {
                commitHash = null;
            }
            // skip revision line number
            s.spaceToken();
            String s1 = s.spaceToken();
            int lineNum = Integer.parseInt(s1);
            s.nextLine();
            // parse commit information
            LineInfo commit = commits.get(commitHash);
            if (commit != null || commitHash == null) {
                while (s.hasMoreData() && !s.startsWith('\t')) {
                    s.nextLine();
                }
            } else {
                Date committerDate = null;
                FilePath filePath = null;
                String subject = null;
                String authorName = null;
                String authorEmail = null;
                String previousRevision = null;
                FilePath previousFilePath = null;
                while (s.hasMoreData() && !s.startsWith('\t')) {
                    String key = s.spaceToken();
                    String value = s.line();
                    if (SUBJECT_KEY.equals(key)) {
                        subject = value;
                    } else if (AUTHOR_KEY.equals(key)) {
                        authorName = value;
                    } else if (COMMITTER_TIME_KEY.equals(key)) {
                        committerDate = GitUtil.parseTimestamp(value);
                    } else if (FILENAME_KEY.equals(key)) {
                        filePath = VcsUtil.getFilePath(root, value);
                    } else if (AUTHOR_EMAIL_KEY.equals(key)) {
                        authorEmail = value;
                        if (authorEmail.startsWith("<") && authorEmail.endsWith(">")) {
                            authorEmail = authorEmail.substring(1, authorEmail.length() - 1);
                        }
                    } else if (PREVIOUS_KEY.equals(key)) {
                        int index = value.indexOf(' ');
                        if (index != -1) {
                            previousRevision = value.substring(0, index);
                            previousFilePath = VcsUtil.getFilePath(root, value.substring(index + 1, value.length()));
                        }
                    }
                }
                if (committerDate == null || filePath == null || authorName == null || authorEmail == null || subject == null) {
                    throw new VcsException("Output for line " + lineNum + " lacks necessary data");
                }
                GitRevisionNumber revisionNumber = new GitRevisionNumber(commitHash, committerDate);
                VcsUser author = myUserRegistry.createUser(authorName, authorEmail);
                GitRevisionNumber previousRevisionNumber = previousRevision != null ? new GitRevisionNumber(previousRevision) : null;
                filePath = pathInterner.intern(filePath);
                if (previousFilePath != null)
                    previousFilePath = pathInterner.intern(previousFilePath);
                commit = new LineInfo(myProject, revisionNumber, filePath, committerDate, author, subject, previousRevisionNumber, previousFilePath);
                commits.put(commitHash, commit);
            }
            s.nextLine();
            int expectedLineNum = lines.size() + 1;
            if (lineNum != expectedLineNum) {
                throw new VcsException("Adding for info for line " + lineNum + " but we are expecting it to be for " + expectedLineNum);
            }
            lines.add(commit);
        }
        return new GitFileAnnotation(myProject, file, revision, lines);
    } catch (Exception e) {
        LOG.error("Couldn't parse annotation: " + e, new Attachment("output.txt", output));
        throw new VcsException(e);
    }
}