/// <summary>Returns list of groups for a user.</summary>
/// <param name="user">get groups for this user</param>
/// <returns>list of groups for a given user</returns>
/// <exception cref="System.IO.IOException"/>
public virtual IList <string> GetGroups(string user)
{
lock (this)
{
ICollection <string> groupSet = new TreeSet <string>();
IList <string> groups = null;
foreach (GroupMappingServiceProvider provider in providersList)
{
try
{
groups = provider.GetGroups(user);
}
catch (Exception)
{
}
//LOG.warn("Exception trying to get groups for user " + user, e);
if (groups != null && !groups.IsEmpty())
{
Collections.AddAll(groupSet, groups);
if (!combined)
{
break;
}
}
}
IList <string> results = new AList <string>(groupSet.Count);
Collections.AddAll(results, groupSet);
return(results);
}
}
internal static void MergeCompactedValue(JObject obj,
string
key,
JToken value)
{
if (obj == null)
{
return;
}
var prop = obj[key];
if (prop.IsNull())
{
obj[key] = value;
return;
}
if (!(prop is JArray))
{
var tmp = new JArray();
tmp.Add(prop);
}
if (value is JArray)
{
Collections.AddAll((JArray)prop, (JArray)value);
}
else
{
((JArray)prop).Add(value);
}
}
internal virtual void Abort(ISet <string> createdFiles)
{
//System.out.println(Thread.currentThread().getName() + ": now abort seg=" + segmentInfo.name);
hasAborted = aborting = true;
try
{
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "now abort");
}
try
{
consumer.Abort();
}
#pragma warning disable 168
catch (Exception t)
#pragma warning restore 168
{
}
pendingUpdates.Clear();
Collections.AddAll(createdFiles, directory.CreatedFiles);
}
finally
{
aborting = false;
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "done abort");
}
}
}
/// <summary>Return all the secret key entries in the in-memory map</summary>
public virtual IList <Text> GetAllSecretKeys()
{
IList <Text> list = new AList <Text>();
Collections.AddAll(list, secretKeysMap.Keys);
return(list);
}
public virtual ICollection <string> GetCollection()
{
ICollection <string> list = new AList <string>();
if (all)
{
list.AddItem("*");
}
else
{
if (ipAddresses != null)
{
Collections.AddAll(list, ipAddresses);
}
if (hostNames != null)
{
Collections.AddAll(list, hostNames);
}
if (cidrAddresses != null)
{
foreach (SubnetUtils.SubnetInfo cidrAddress in cidrAddresses)
{
list.AddItem(cidrAddress.GetCidrSignature());
}
}
}
return(list);
}
/// <exception cref="Org.Apache.Hadoop.Record.Compiler.Generated.ParseException"/>
public JFile Input()
{
AList <JFile> ilist = new AList <JFile>();
AList <JRecord> rlist = new AList <JRecord>();
JFile i;
AList <JRecord> l;
while (true)
{
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case IncludeTkn:
{
i = Include();
ilist.AddItem(i);
break;
}
case ModuleTkn:
{
l = Module();
Collections.AddAll(rlist, l);
break;
}
default:
{
jj_la1[0] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case ModuleTkn:
case IncludeTkn:
{
break;
}
default:
{
jj_la1[1] = jj_gen;
goto label_1_break;
}
}
label_1_continue :;
}
label_1_break :;
Jj_consume_token(0);
{
if (true)
{
return(new JFile(curFileName, ilist, rlist));
}
}
throw new Error("Missing return statement in function");
}
public override AbstractInsnNode Clone(IDictionary <LabelNode, LabelNode> clonedLabels
)
{
var clone = new LookupSwitchInsnNode(Clone(dflt, clonedLabels),
null, Clone(labels, clonedLabels));
Collections.AddAll(clone.keys, keys);
return(clone.CloneAnnotations(this));
}
private static ICollection <string> GetGroups()
{
ICollection <string> allGroups = new HashSet <string>();
foreach (ICollection <string> userGroups in userToNetgroupsMap.Values)
{
Collections.AddAll(allGroups, userGroups);
}
return(allGroups);
}
/// <summary>Get netgroups for a given user</summary>
/// <param name="user">get groups for this user</param>
/// <param name="groups">put groups into this List</param>
public static void GetNetgroups(string user, IList <string> groups)
{
ICollection <string> userGroups = userToNetgroupsMap[user];
//ConcurrentHashMap does not allow null values;
//So null value check can be used to check if the key exists
if (userGroups != null)
{
Collections.AddAll(groups, userGroups);
}
}
private void InitializeAllowedHeaders(FilterConfig filterConfig)
{
string allowedHeadersConfig = filterConfig.GetInitParameter(AllowedHeaders);
if (allowedHeadersConfig == null)
{
allowedHeadersConfig = AllowedHeadersDefault;
}
Collections.AddAll(allowedHeaders, Arrays.AsList(allowedHeadersConfig.Trim
().Split("\\s*,\\s*")));
Log.Info("Allowed Headers: " + GetAllowedHeadersHeader());
}
/// <summary>Shut down all ThreadPools immediately.</summary>
public virtual IList <Runnable> ShutdownNow()
{
lock (this)
{
Log.Info("Shutting down all AsyncDiskService threads immediately...");
IList <Runnable> list = new AList <Runnable>();
foreach (KeyValuePair <string, ThreadPoolExecutor> e in executors)
{
Collections.AddAll(list, e.Value.ShutdownNow());
}
return(list);
}
}
/// <param name="nif">network interface to get addresses for</param>
/// <returns>
/// set containing addresses for each subinterface of nif,
/// see below for the rationale for using an ordered set
/// </returns>
private static LinkedHashSet <IPAddress> GetSubinterfaceInetAddrs(NetworkInterface
nif)
{
LinkedHashSet <IPAddress> addrs = new LinkedHashSet <IPAddress>();
Enumeration <NetworkInterface> subNifs = nif.GetSubInterfaces();
while (subNifs.MoveNext())
{
NetworkInterface subNif = subNifs.Current;
Collections.AddAll(addrs, Collections.List(subNif.GetInetAddresses()));
}
return(addrs);
}
public override FileSystem[] GetChildFileSystems()
{
IList <InodeTree.MountPoint <FileSystem> > mountPoints = fsState.GetMountPoints();
ICollection <FileSystem> children = new HashSet <FileSystem>();
foreach (InodeTree.MountPoint <FileSystem> mountPoint in mountPoints)
{
FileSystem targetFs = mountPoint.target.targetFileSystem;
Collections.AddAll(children, Arrays.AsList(targetFs.GetChildFileSystems()
));
}
return(Collections.ToArray(children, new FileSystem[] { }));
}
private void InitializeAllowedOrigins(FilterConfig filterConfig)
{
string allowedOriginsConfig = filterConfig.GetInitParameter(AllowedOrigins);
if (allowedOriginsConfig == null)
{
allowedOriginsConfig = AllowedOriginsDefault;
}
Collections.AddAll(allowedOrigins, Arrays.AsList(allowedOriginsConfig.Trim
().Split("\\s*,\\s*")));
allowAllOrigins = allowedOrigins.Contains("*");
Log.Info("Allowed Origins: " + StringUtils.Join(allowedOrigins, ','));
Log.Info("Allow All Origins: " + allowAllOrigins);
}
/// <exception cref="System.Exception"/>
private void Change(int exit, string owner, string group, params string[] files)
{
FileStatus[][] oldStats = new FileStatus[files.Length][];
for (int i = 0; i < files.Length; i++)
{
oldStats[i] = fileSys.GlobStatus(new Path(files[i]));
}
IList <string> argv = new List <string>();
if (owner != null)
{
argv.AddItem("-chown");
string chown = owner;
if (group != null)
{
chown += ":" + group;
if (group.IsEmpty())
{
group = null;
}
}
// avoid testing for it later
argv.AddItem(chown);
}
else
{
argv.AddItem("-chgrp");
argv.AddItem(group);
}
Collections.AddAll(argv, files);
Assert.Equal(exit, fsShell.Run(Collections.ToArray(argv
, new string[0])));
for (int i_1 = 0; i_1 < files.Length; i_1++)
{
FileStatus[] stats = fileSys.GlobStatus(new Path(files[i_1]));
if (stats != null)
{
for (int j = 0; j < stats.Length; j++)
{
Assert.Equal("check owner of " + files[i_1], ((owner != null) ?
"STUB-" + owner : oldStats[i_1][j].GetOwner()), stats[j].GetOwner());
Assert.Equal("check group of " + files[i_1], ((group != null) ?
"STUB-" + group : oldStats[i_1][j].GetGroup()), stats[j].GetGroup());
}
}
}
}
/// <summary>
/// Expert: create a <see cref="ParallelCompositeReader"/> based on the provided
/// <paramref name="readers"/> and <paramref name="storedFieldReaders"/>; when a document is
/// loaded, only <paramref name="storedFieldReaders"/> will be used.
/// </summary>
public ParallelCompositeReader(bool closeSubReaders, CompositeReader[] readers, CompositeReader[] storedFieldReaders)
: base(PrepareSubReaders(readers, storedFieldReaders))
{
this.closeSubReaders = closeSubReaders;
Collections.AddAll(completeReaderSet, readers);
Collections.AddAll(completeReaderSet, storedFieldReaders);
// update ref-counts (like MultiReader):
if (!closeSubReaders)
{
foreach (IndexReader reader in completeReaderSet)
{
reader.IncRef();
}
}
// finally add our own synthetic readers, so we close or decRef them, too (it does not matter what we do)
Collections.AddAll(completeReaderSet, GetSequentialSubReaders());
}
/// <summary>
/// Expands a list of arguments into
/// <see cref="PathData"/>
/// objects. The default
/// behavior is to call
/// <see cref="ExpandArgument(string)"/>
/// on each element
/// which by default globs the argument. The loop catches IOExceptions,
/// increments the error count, and displays the exception.
/// </summary>
/// <param name="args">
/// strings to expand into
/// <see cref="PathData"/>
/// objects
/// </param>
/// <returns>
/// list of all
/// <see cref="PathData"/>
/// objects the arguments
/// </returns>
/// <exception cref="System.IO.IOException">if anything goes wrong...</exception>
protected internal virtual List <PathData> ExpandArguments(List <string> args)
{
List <PathData> expandedArgs = new List <PathData>();
foreach (string arg in args)
{
try
{
Collections.AddAll(expandedArgs, ExpandArgument(arg));
}
catch (IOException e)
{
// other exceptions are probably nasty
DisplayError(e);
}
}
return(expandedArgs);
}
/// <summary>
/// Returns all the IPs associated with the provided interface, if any, in
/// textual form.
/// </summary>
/// <param name="strInterface">
/// The name of the network interface or sub-interface to query
/// (eg eth0 or eth0:0) or the string "default"
/// </param>
/// <param name="returnSubinterfaces">
/// Whether to return IPs associated with subinterfaces of
/// the given interface
/// </param>
/// <returns>
/// A string vector of all the IPs associated with the provided
/// interface. The local host IP is returned if the interface
/// name "default" is specified or there is an I/O error looking
/// for the given interface.
/// </returns>
/// <exception cref="UnknownHostException">If the given interface is invalid</exception>
public static string[] GetIPs(string strInterface, bool returnSubinterfaces)
{
if ("default".Equals(strInterface))
{
return(new string[] { cachedHostAddress });
}
NetworkInterface netIf;
try
{
netIf = NetworkInterface.GetByName(strInterface);
if (netIf == null)
{
netIf = GetSubinterface(strInterface);
}
}
catch (SocketException e)
{
Log.Warn("I/O error finding interface " + strInterface + ": " + e.Message);
return(new string[] { cachedHostAddress });
}
if (netIf == null)
{
throw new UnknownHostException("No such interface " + strInterface);
}
// NB: Using a LinkedHashSet to preserve the order for callers
// that depend on a particular element being 1st in the array.
// For example, getDefaultIP always returns the first element.
LinkedHashSet <IPAddress> allAddrs = new LinkedHashSet <IPAddress>();
Collections.AddAll(allAddrs, Collections.List(netIf.GetInetAddresses()));
if (!returnSubinterfaces)
{
allAddrs.RemoveAll(GetSubinterfaceInetAddrs(netIf));
}
string[] ips = new string[allAddrs.Count];
int i = 0;
foreach (IPAddress addr in allAddrs)
{
ips[i++] = addr.GetHostAddress();
}
return(ips);
}
/// <summary>
/// Returns all files in use by this segment. </summary>
public virtual ICollection <string> Files()
{
// Start from the wrapped info's files:
ISet <string> files = new HashSet <string>(Info.GetFiles());
// TODO we could rely on TrackingDir.getCreatedFiles() (like we do for
// updates) and then maybe even be able to remove LiveDocsFormat.files().
// Must separately add any live docs files:
Info.Codec.LiveDocsFormat.Files(this, files);
// Must separately add any field updates files
foreach (ISet <string> updateFiles in genUpdatesFiles.Values)
{
Collections.AddAll(files, updateFiles);
}
return(files);
}
/// <summary>Get all superInterfaces that extend VersionedProtocol</summary>
/// <param name="childInterfaces"/>
/// <returns>the super interfaces that extend VersionedProtocol</returns>
internal static Type[] GetSuperInterfaces(Type[] childInterfaces)
{
IList <Type> allInterfaces = new AList <Type>();
foreach (Type childInterface in childInterfaces)
{
if (typeof(VersionedProtocol).IsAssignableFrom(childInterface))
{
allInterfaces.AddItem(childInterface);
Collections.AddAll(allInterfaces, Arrays.AsList(GetSuperInterfaces(childInterface
.GetInterfaces())));
}
else
{
Log.Warn("Interface " + childInterface + " ignored because it does not extend VersionedProtocol"
);
}
}
return(Collections.ToArray(allInterfaces, new Type[allInterfaces.Count]));
}
/// <exception cref="System.IO.IOException"/>
public virtual void FillQueueForKey(string keyName, Queue <KeyProviderCryptoExtension.EncryptedKeyVersion
> keyQueue, int numKeys)
{
IList <KeyProviderCryptoExtension.EncryptedKeyVersion> retEdeks = new List <KeyProviderCryptoExtension.EncryptedKeyVersion
>();
for (int i = 0; i < numKeys; i++)
{
try
{
retEdeks.AddItem(this._enclosing.keyProviderCryptoExtension.GenerateEncryptedKey(
keyName));
}
catch (GeneralSecurityException e)
{
throw new IOException(e);
}
}
Collections.AddAll(keyQueue, retEdeks);
}
/* It's possible to specify a timeout, in seconds, in the config file */
/* Number of times to retry authentication in the event of auth failure
* (normally happens due to stale authToken)
*/
/// <exception cref="System.IO.IOException"/>
public virtual void FillQueueForKey(string keyName, Queue <KeyProviderCryptoExtension.EncryptedKeyVersion
> keyQueue, int numEKVs)
{
KMSClientProvider.CheckNotNull(keyName, "keyName");
IDictionary <string, string> @params = new Dictionary <string, string>();
@params[KMSRESTConstants.EekOp] = KMSRESTConstants.EekGenerate;
@params[KMSRESTConstants.EekNumKeys] = string.Empty + numEKVs;
Uri url = this._enclosing.CreateURL(KMSRESTConstants.KeyResource, keyName, KMSRESTConstants
.EekSubResource, @params);
HttpURLConnection conn = this._enclosing.CreateConnection(url, KMSClientProvider.
HttpGet);
conn.SetRequestProperty(KMSClientProvider.ContentType, KMSClientProvider.ApplicationJsonMime
);
IList response = this._enclosing.Call <IList>(conn, null, HttpURLConnection.HttpOk
);
IList <KeyProviderCryptoExtension.EncryptedKeyVersion> ekvs = KMSClientProvider.ParseJSONEncKeyVersion
(keyName, response);
Collections.AddAll(keyQueue, ekvs);
}
// Nothing to do.
public override SourceValue Merge(SourceValue value1, SourceValue value2)
{
if (Runtime.InstanceOf(value1.insns, typeof(SmallSet <>)) && Runtime.InstanceOf
(value2.insns, typeof(SmallSet <>)))
{
var setUnion = ((SmallSet <AbstractInsnNode>)value1.insns).Union
((SmallSet <AbstractInsnNode>)value2.insns).ToHashSet();
if (setUnion == value1.insns && value1.size == value2.size)
{
return(value1);
}
return(new SourceValue(Math.Min(value1.size, value2.size), setUnion));
}
if (value1.size != value2.size || !ContainsAll(value1.insns, value2.insns))
{
var setUnion = new HashSet <AbstractInsnNode>();
Collections.AddAll(setUnion, value1.insns);
Collections.AddAll(setUnion, value2.insns);
return(new SourceValue(Math.Min(value1.size, value2.size), setUnion));
}
return(value1);
}
/// <summary>Create a StructTypeID based on the RecordTypeInfo of some record</summary>
public StructTypeID(RecordTypeInfo rti)
: base(TypeID.RIOType.Struct)
{
Collections.AddAll(typeInfos, rti.GetFieldTypeInfos());
}
/// <summary>
/// Expert: create a <see cref="ParallelAtomicReader"/> based on the provided
/// <paramref name="readers"/> and <paramref name="storedFieldsReaders"/>; when a document is
/// loaded, only <paramref name="storedFieldsReaders"/> will be used.
/// </summary>
public ParallelAtomicReader(bool closeSubReaders, AtomicReader[] readers, AtomicReader[] storedFieldsReaders)
{
InitializeInstanceFields();
this.closeSubReaders = closeSubReaders;
if (readers.Length == 0 && storedFieldsReaders.Length > 0)
{
throw new System.ArgumentException("There must be at least one main reader if storedFieldsReaders are used.");
}
this.parallelReaders = (AtomicReader[])readers.Clone();
this.storedFieldsReaders = (AtomicReader[])storedFieldsReaders.Clone();
if (parallelReaders.Length > 0)
{
AtomicReader first = parallelReaders[0];
this.maxDoc = first.MaxDoc;
this.numDocs = first.NumDocs;
this.hasDeletions = first.HasDeletions;
}
else
{
this.maxDoc = this.numDocs = 0;
this.hasDeletions = false;
}
Collections.AddAll(completeReaderSet, this.parallelReaders);
Collections.AddAll(completeReaderSet, this.storedFieldsReaders);
// check compatibility:
foreach (AtomicReader reader in completeReaderSet)
{
if (reader.MaxDoc != maxDoc)
{
throw new System.ArgumentException("All readers must have same MaxDoc: " + maxDoc + "!=" + reader.MaxDoc);
}
}
// TODO: make this read-only in a cleaner way?
FieldInfos.Builder builder = new FieldInfos.Builder();
// build FieldInfos and fieldToReader map:
foreach (AtomicReader reader in this.parallelReaders)
{
FieldInfos readerFieldInfos = reader.FieldInfos;
foreach (FieldInfo fieldInfo in readerFieldInfos)
{
// NOTE: first reader having a given field "wins":
if (!fieldToReader.ContainsKey(fieldInfo.Name))
{
builder.Add(fieldInfo);
fieldToReader[fieldInfo.Name] = reader;
if (fieldInfo.HasVectors)
{
tvFieldToReader[fieldInfo.Name] = reader;
}
}
}
}
fieldInfos = builder.Finish();
// build Fields instance
foreach (AtomicReader reader in this.parallelReaders)
{
Fields readerFields = reader.Fields;
if (readerFields != null)
{
foreach (string field in readerFields)
{
// only add if the reader responsible for that field name is the current:
if (fieldToReader[field].Equals(reader))
{
this.fields.AddField(field, readerFields.GetTerms(field));
}
}
}
}
// do this finally so any Exceptions occurred before don't affect refcounts:
foreach (AtomicReader reader in completeReaderSet)
{
if (!closeSubReaders)
{
reader.IncRef();
}
reader.RegisterParentReader(this);
}
}
internal virtual void SealFlushedSegment(FlushedSegment flushedSegment)
{
Debug.Assert(flushedSegment != null);
SegmentCommitInfo newSegment = flushedSegment.segmentInfo;
IndexWriter.SetDiagnostics(newSegment.Info, IndexWriter.SOURCE_FLUSH);
IOContext context = new IOContext(new FlushInfo(newSegment.Info.DocCount, newSegment.GetSizeInBytes()));
bool success = false;
try
{
if (indexWriterConfig.UseCompoundFile)
{
Collections.AddAll(filesToDelete, IndexWriter.CreateCompoundFile(infoStream, directory, CheckAbort.NONE, newSegment.Info, context));
newSegment.Info.UseCompoundFile = true;
}
// Have codec write SegmentInfo. Must do this after
// creating CFS so that 1) .si isn't slurped into CFS,
// and 2) .si reflects useCompoundFile=true change
// above:
codec.SegmentInfoFormat.SegmentInfoWriter.Write(directory, newSegment.Info, flushedSegment.fieldInfos, context);
// TODO: ideally we would freeze newSegment here!!
// because any changes after writing the .si will be
// lost...
// Must write deleted docs after the CFS so we don't
// slurp the del file into CFS:
if (flushedSegment.liveDocs != null)
{
int delCount = flushedSegment.delCount;
Debug.Assert(delCount > 0);
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "flush: write " + delCount + " deletes gen=" + flushedSegment.segmentInfo.DelGen);
}
// TODO: we should prune the segment if it's 100%
// deleted... but merge will also catch it.
// TODO: in the NRT case it'd be better to hand
// this del vector over to the
// shortly-to-be-opened SegmentReader and let it
// carry the changes; there's no reason to use
// filesystem as intermediary here.
SegmentCommitInfo info = flushedSegment.segmentInfo;
Codec codec = info.Info.Codec;
codec.LiveDocsFormat.WriteLiveDocs(flushedSegment.liveDocs, directory, info, delCount, context);
newSegment.DelCount = delCount;
newSegment.AdvanceDelGen();
}
success = true;
}
finally
{
if (!success)
{
if (infoStream.IsEnabled("DWPT"))
{
infoStream.Message("DWPT", "hit exception creating compound file for newly flushed segment " + newSegment.Info.Name);
}
}
}
}
/// <exception cref="System.IO.IOException"/>
public override void CacheGroupsAdd(IList <string> groups)
{
Log.Info("Adding " + groups + " to groups.");
Collections.AddAll(allGroups, groups);
}
public RecordHistoryLevel(params HistoryEventTypes[] filterHistoryEventType)
{
Collections.AddAll(this.RecordedHistoryEventTypes, filterHistoryEventType);
}
private void AddAll(ICollection <FieldTypeInfo> tis)
{
Collections.AddAll(sTid.GetFieldTypeInfos(), tis);
}
// this shouldn't be a
// valid iri/bnode i
// hope!
// TODO: fill with default namespaces
public virtual object Call(RdfDataset dataset)
{
foreach (var e in dataset.GetNamespaces().GetEnumerableSelf
())
{
availableNamespaces[e.Value] = e.Key;
}
usedNamespaces = new HashSet <string>();
var refs = new JObject();
var ttl = new JObject();
foreach (var graphName in dataset.Keys)
{
var localGraphName = graphName;
var triples = dataset.GetQuads(localGraphName);
if ("@default".Equals(localGraphName))
{
localGraphName = null;
}
// http://www.w3.org/TR/turtle/#unlabeled-bnodes
// TODO: implement nesting for unlabled nodes
// map of what the output should look like
// subj (or [ if bnode) > pred > obj
// > obj (set ref if IRI)
// > pred > obj (set ref if bnode)
// subj > etc etc etc
// subjid -> [ ref, ref, ref ]
var prevSubject = string.Empty;
var prevPredicate = string.Empty;
JObject thisSubject = null;
JArray thisPredicate = null;
foreach (var triple in triples)
{
var subject = triple.GetSubject().GetValue();
var predicate = triple.GetPredicate().GetValue();
if (prevSubject.Equals(subject))
{
if (prevPredicate.Equals(predicate))
{
}
else
{
// nothing to do
// new predicate
if (thisSubject.ContainsKey(predicate))
{
thisPredicate = (JArray)thisSubject[predicate];
}
else
{
thisPredicate = new JArray();
thisSubject[predicate] = thisPredicate;
}
prevPredicate = predicate;
}
}
else
{
// new subject
if (ttl.ContainsKey(subject))
{
thisSubject = (JObject)ttl[subject];
}
else
{
thisSubject = new JObject();
ttl[subject] = thisSubject;
}
if (thisSubject.ContainsKey(predicate))
{
thisPredicate = (JArray)thisSubject[predicate];
}
else
{
thisPredicate = new JArray();
thisSubject[predicate] = thisPredicate;
}
prevSubject = subject;
prevPredicate = predicate;
}
if (triple.GetObject().IsLiteral())
{
thisPredicate.Add(triple.GetObject());
}
else
{
var o = triple.GetObject().GetValue();
if (o.StartsWith("_:"))
{
// add ref to o
if (!refs.ContainsKey(o))
{
refs[o] = new JArray();
}
((JArray)refs[o]).Add(thisPredicate);
}
thisPredicate.Add(o);
}
}
}
var collections = new JObject();
var subjects = new JArray(ttl.GetKeys());
// find collections
foreach (string subj in subjects)
{
var preds = (JObject)ttl[subj];
if (preds != null && preds.ContainsKey(JsonLdConsts.RdfFirst))
{
var col = new JArray();
collections[subj] = col;
while (true)
{
var first = (JArray)Collections.Remove(preds, JsonLdConsts.RdfFirst);
var o = first[0];
col.Add(o);
// refs
if (refs.ContainsKey((string)o))
{
((JArray)refs[(string)o]).Remove(first);
((JArray)refs[(string)o]).Add(col);
}
var next = (string)Collections.Remove(preds, JsonLdConsts.RdfRest)[0
];
if (JsonLdConsts.RdfNil.Equals(next))
{
break;
}
// if collections already contains a value for "next", add
// it to this col and break out
if (collections.ContainsKey(next))
{
Collections.AddAll(col, (JArray)Collections.Remove(collections, next));
break;
}
preds = (JObject)Collections.Remove(ttl, next);
Collections.Remove(refs, next);
}
}
}
// process refs (nesting referenced bnodes if only one reference to them
// in the whole graph)
foreach (var id in refs.GetKeys())
{
// skip items if there is more than one reference to them in the
// graph
if (((JArray)refs[id]).Count > 1)
{
continue;
}
// otherwise embed them into the referenced location
var @object = Collections.Remove(ttl, id);
if (collections.ContainsKey(id))
{
@object = new JObject();
var tmp = new JArray();
tmp.Add(Collections.Remove(collections, id));
((JObject)@object)[ColsKey] = tmp;
}
var predicate = (JArray)refs[id][0];
// replace the one bnode ref with the object
predicate[predicate.LastIndexOf(id)] = @object;
}
// replace the rest of the collections
foreach (var id_1 in collections.GetKeys())
{
var subj_1 = (JObject)ttl[id_1];
if (!subj_1.ContainsKey(ColsKey))
{
subj_1[ColsKey] = new JArray();
}
((JArray)subj_1[ColsKey]).Add(collections[id_1]);
}
// build turtle output
var output = GenerateTurtle(ttl, 0, 0, false);
var prefixes = string.Empty;
foreach (var prefix in usedNamespaces)
{
var name = availableNamespaces[prefix];
prefixes += "@prefix " + name + ": <" + prefix + "> .\n";
}
return((string.Empty.Equals(prefixes) ? string.Empty : prefixes + "\n") + output);
}