private static object Create(string spec, bool output) {
string[] multispecs = spec.Split('\n', '|');
if (multispecs.Length > 1) {
SemWeb.Stores.MultiStore multistore = new SemWeb.Stores.MultiStore();
foreach (string mspec in multispecs) {
object mstore = Create(mspec.Trim(), output);
if (mstore is SelectableSource) {
multistore.Add((SelectableSource)mstore);
} else if (mstore is StatementSource) {
MemoryStore m = new MemoryStore((StatementSource)mstore);
multistore.Add(m);
}
}
return multistore;
}
string type = spec;
int c = spec.IndexOf(':');
if (c != -1) {
type = spec.Substring(0, c);
spec = spec.Substring(c+1);
} else {
spec = "";
}
Type ttype;
switch (type) {
case "mem":
return new MemoryStore();
case "xml":
if (spec == "") throw new ArgumentException("Use: xml:filename");
if (output) {
return new RdfXmlWriter(spec);
} else {
return new RdfXmlReader(spec);
}
case "n3":
case "ntriples":
case "nt":
case "turtle":
if (spec == "") throw new ArgumentException("Use: format:filename");
if (output) {
N3Writer ret = new N3Writer(spec); // turtle is default format
switch (type) {
case "nt": case "ntriples":
ret.Format = N3Writer.Formats.NTriples;
break;
}
return ret;
} else {
return new N3Reader(spec);
}
/*case "file":
if (spec == "") throw new ArgumentException("Use: format:filename");
if (output) throw new ArgumentException("The FileStore does not support writing.");
return new SemWeb.Stores.FileStore(spec);*/
case "sqlite":
case "mysql":
case "postgresql":
if (spec == "") throw new ArgumentException("Use: sqlite|mysql|postgresql:table:connection-string");
c = spec.IndexOf(':');
if (c == -1) throw new ArgumentException("Invalid format for SQL spec parameter (table:constring).");
string table = spec.Substring(0, c);
spec = spec.Substring(c+1);
string classtype = null;
if (type == "sqlite") {
classtype = "SemWeb.Stores.SqliteStore, SemWeb.SqliteStore";
spec = spec.Replace(";", ",");
} else if (type == "mysql") {
classtype = "SemWeb.Stores.MySQLStore, SemWeb.MySQLStore";
} else if (type == "postgresql") {
classtype = "SemWeb.Stores.PostgreSQLStore, SemWeb.PostgreSQLStore";
}
ttype = Type.GetType(classtype);
if (ttype == null)
throw new NotSupportedException("The storage type in <" + classtype + "> could not be found.");
return Activator.CreateInstance(ttype, new object[] { spec, table });
/*case "bdb":
return new SemWeb.Stores.BDBStore(spec);*/
case "sparql-http":
return new SemWeb.Remote.SparqlHttpSource(spec);
case "class":
ttype = Type.GetType(spec);
if (ttype == null)
throw new NotSupportedException("The class <" + spec + "> could not be found.");
return Activator.CreateInstance(ttype);
default:
throw new ArgumentException("Unknown parser type: " + type);
}
}
private static object Create(string spec, bool output)
{
string[] multispecs = spec.Split('\n', '|');
if (multispecs.Length > 1)
{
SemWeb.Stores.MultiStore multistore = new SemWeb.Stores.MultiStore();
foreach (string mspec in multispecs)
{
object mstore = Create(mspec.Trim(), output);
if (mstore is SelectableSource)
{
multistore.Add((SelectableSource)mstore);
}
else if (mstore is StatementSource)
{
MemoryStore m = new MemoryStore((StatementSource)mstore);
multistore.Add(m);
}
}
return(multistore);
}
string type = spec;
int c = spec.IndexOf(':');
if (c != -1)
{
type = spec.Substring(0, c);
spec = spec.Substring(c + 1);
}
else
{
spec = "";
}
Type ttype;
switch (type)
{
case "mem":
return(new MemoryStore());
case "xml":
if (spec == "")
{
throw new ArgumentException("Use: xml:filename");
}
if (output)
{
return(new RdfXmlWriter(spec));
}
else
{
return(new RdfXmlReader(spec));
}
case "n3":
case "ntriples":
case "nt":
case "turtle":
if (spec == "")
{
throw new ArgumentException("Use: format:filename");
}
if (output)
{
N3Writer ret = new N3Writer(spec); // turtle is default format
switch (type)
{
case "nt":
case "ntriples":
ret.Format = N3Writer.Formats.NTriples;
break;
}
return(ret);
}
else
{
return(new N3Reader(spec));
}
/*case "file":
* if (spec == "") throw new ArgumentException("Use: format:filename");
* if (output) throw new ArgumentException("The FileStore does not support writing.");
* return new SemWeb.Stores.FileStore(spec);*/
case "sqlite":
case "mysql":
case "postgresql":
if (spec == "")
{
throw new ArgumentException("Use: sqlite|mysql|postgresql:table:connection-string");
}
c = spec.IndexOf(':');
if (c == -1)
{
throw new ArgumentException("Invalid format for SQL spec parameter (table:constring).");
}
string table = spec.Substring(0, c);
spec = spec.Substring(c + 1);
string classtype = null;
if (type == "sqlite")
{
classtype = "SemWeb.Stores.SqliteStore, SemWeb.SqliteStore";
spec = spec.Replace(";", ",");
}
else if (type == "mysql")
{
classtype = "SemWeb.Stores.MySQLStore, SemWeb.MySQLStore";
}
else if (type == "postgresql")
{
classtype = "SemWeb.Stores.PostgreSQLStore, SemWeb.PostgreSQLStore";
}
ttype = Type.GetType(classtype);
if (ttype == null)
{
throw new NotSupportedException("The storage type in <" + classtype + "> could not be found.");
}
return(Activator.CreateInstance(ttype, new object[] { spec, table }));
/*case "bdb":
* return new SemWeb.Stores.BDBStore(spec);*/
case "sparql-http":
return(new SemWeb.Remote.SparqlHttpSource(spec));
case "class":
ttype = Type.GetType(spec);
if (ttype == null)
{
throw new NotSupportedException("The class <" + spec + "> could not be found.");
}
return(Activator.CreateInstance(ttype));
default:
throw new ArgumentException("Unknown parser type: " + type);
}
}
public KnowledgeModel()
{
stores = new SemWeb.Stores.MultiStore();
mainstore = stores;
}
public KnowledgeModel() {
stores = new SemWeb.Stores.MultiStore();
mainstore = stores;
}
