use of com.google.gerrit.extensions.common.DiffInfo.FileMeta 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);
}
}
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