Examples with DiffWebLinkInfo com.google.gerrit.extensions.common.DiffWebLinkInfo used on opensource projects

Example 1 with DiffWebLinkInfo

use of com.google.gerrit.extensions.common.DiffWebLinkInfo in project gerrit by GerritCodeReview.

the class GetDiff method apply.

@Override
public Response<DiffInfo> apply(FileResource resource) throws ResourceConflictException, ResourceNotFoundException, OrmException, AuthException, InvalidChangeOperationException, IOException {
    DiffPreferencesInfo prefs = new DiffPreferencesInfo();
    if (whitespace != null) {
        prefs.ignoreWhitespace = whitespace;
    } else if (ignoreWhitespace != null) {
        prefs.ignoreWhitespace = ignoreWhitespace.whitespace;
    } else {
        prefs.ignoreWhitespace = Whitespace.IGNORE_LEADING_AND_TRAILING;
    }
    prefs.context = context;
    prefs.intralineDifference = intraline;
    PatchScriptFactory psf;
    PatchSet basePatchSet = null;
    if (base != null) {
        RevisionResource baseResource = revisions.parse(resource.getRevision().getChangeResource(), IdString.fromDecoded(base));
        basePatchSet = baseResource.getPatchSet();
        psf = patchScriptFactoryFactory.create(resource.getRevision().getControl(), resource.getPatchKey().getFileName(), basePatchSet.getId(), resource.getPatchKey().getParentKey(), prefs);
    } else if (parentNum > 0) {
        psf = patchScriptFactoryFactory.create(resource.getRevision().getControl(), resource.getPatchKey().getFileName(), parentNum - 1, resource.getPatchKey().getParentKey(), prefs);
    } else {
        psf = patchScriptFactoryFactory.create(resource.getRevision().getControl(), resource.getPatchKey().getFileName(), null, resource.getPatchKey().getParentKey(), prefs);
    }
    try {
        psf.setLoadHistory(false);
        psf.setLoadComments(context != DiffPreferencesInfo.WHOLE_FILE_CONTEXT);
        PatchScript ps = psf.call();
        Content content = new Content(ps);
        for (Edit edit : ps.getEdits()) {
            if (edit.getType() == Edit.Type.EMPTY) {
                continue;
            }
            content.addCommon(edit.getBeginA());
            checkState(content.nextA == edit.getBeginA(), "nextA = %s; want %s", content.nextA, edit.getBeginA());
            checkState(content.nextB == edit.getBeginB(), "nextB = %s; want %s", content.nextB, edit.getBeginB());
            switch(edit.getType()) {
                case DELETE:
                case INSERT:
                case REPLACE:
                    List<Edit> internalEdit = edit instanceof ReplaceEdit ? ((ReplaceEdit) edit).getInternalEdits() : null;
                    content.addDiff(edit.getEndA(), edit.getEndB(), internalEdit);
                    break;
                case EMPTY:
                default:
                    throw new IllegalStateException();
            }
        }
        content.addCommon(ps.getA().size());
        ProjectState state = projectCache.get(resource.getRevision().getChange().getProject());
        DiffInfo result = new DiffInfo();
        // TODO referring to the parent commit by refs/changes/12/60012/1^1
        // will likely not work for inline edits
        String revA = basePatchSet != null ? basePatchSet.getRefName() : resource.getRevision().getPatchSet().getRefName() + "^1";
        String revB = resource.getRevision().getEdit().isPresent() ? resource.getRevision().getEdit().get().getRefName() : resource.getRevision().getPatchSet().getRefName();
        List<DiffWebLinkInfo> links = webLinks.getDiffLinks(state.getProject().getName(), resource.getPatchKey().getParentKey().getParentKey().get(), basePatchSet != null ? basePatchSet.getId().get() : null, revA, MoreObjects.firstNonNull(ps.getOldName(), ps.getNewName()), resource.getPatchKey().getParentKey().get(), revB, ps.getNewName());
        result.webLinks = links.isEmpty() ? null : links;
        if (!webLinksOnly) {
            if (ps.isBinary()) {
                result.binary = true;
            }
            if (ps.getDisplayMethodA() != DisplayMethod.NONE) {
                result.metaA = new FileMeta();
                result.metaA.name = MoreObjects.firstNonNull(ps.getOldName(), ps.getNewName());
                result.metaA.contentType = FileContentUtil.resolveContentType(state, result.metaA.name, ps.getFileModeA(), ps.getMimeTypeA());
                result.metaA.lines = ps.getA().size();
                result.metaA.webLinks = getFileWebLinks(state.getProject(), revA, result.metaA.name);
                result.metaA.commitId = content.commitIdA;
            }
            if (ps.getDisplayMethodB() != DisplayMethod.NONE) {
                result.metaB = new FileMeta();
                result.metaB.name = ps.getNewName();
                result.metaB.contentType = FileContentUtil.resolveContentType(state, result.metaB.name, ps.getFileModeB(), ps.getMimeTypeB());
                result.metaB.lines = ps.getB().size();
                result.metaB.webLinks = getFileWebLinks(state.getProject(), revB, result.metaB.name);
                result.metaB.commitId = content.commitIdB;
            }
            if (intraline) {
                if (ps.hasIntralineTimeout()) {
                    result.intralineStatus = IntraLineStatus.TIMEOUT;
                } else if (ps.hasIntralineFailure()) {
                    result.intralineStatus = IntraLineStatus.FAILURE;
                } else {
                    result.intralineStatus = IntraLineStatus.OK;
                }
            }
            result.changeType = CHANGE_TYPE.get(ps.getChangeType());
            if (result.changeType == null) {
                throw new IllegalStateException("unknown change type: " + ps.getChangeType());
            }
            if (ps.getPatchHeader().size() > 0) {
                result.diffHeader = ps.getPatchHeader();
            }
            result.content = content.lines;
        }
        Response<DiffInfo> r = Response.ok(result);
        if (resource.isCacheable()) {
            r.caching(CacheControl.PRIVATE(7, TimeUnit.DAYS));
        }
        return r;
    } catch (NoSuchChangeException e) {
        throw new ResourceNotFoundException(e.getMessage(), e);
    } catch (LargeObjectException e) {
        throw new ResourceConflictException(e.getMessage(), e);
    }
}