protected virtual void ImportUrl(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt)
{
int orgEmitted = ctx.Emitted;
if (addEmitted)
{
ctx.IncrementEmitted();
}
DateTime dtFile = elt.LastModified;
ctx.SendItemStart(elt);
//TODO if ((ctx.ActionFlags & _ActionFlags.Skip) != 0
//Check if we need to import this file
if ((ctx.ImportFlags & _ImportFlags.ImportFull) == 0) //Not a full import
{
if (!CheckNeedImport(ctx, sink, elt))
{
goto SKIPPED;
}
}
if (ctx.SkipUntilKey == "record")
{
goto SKIPPED;
}
using (Stream fs = _CreateStream(ctx, elt))
{
ImportStream(ctx, sink, elt, fs);
}
if (!addEmitted && orgEmitted == ctx.Emitted)
{
ctx.IncrementEmitted();
}
ctx.OptSendItemStop();
return;
SKIPPED:
ctx.Skipped++;
if (!addEmitted && orgEmitted == ctx.Emitted)
{
ctx.IncrementEmitted();
}
if (logSkips)
{
ctx.DebugLog.Log("Skipped: {0}. Date={1}", elt.FullName, elt.LastModified);
}
}
protected void EmitRecords(PipelineContext ctx, DbDataReader rdr, Query q)
{
String pfxRecord = String.IsNullOrEmpty(q.Prefix) ? "record" : q.Prefix;
String pfxField = pfxRecord + "/";
var sink = ctx.Pipeline;
while (rdr.Read())
{
int fcnt = rdr.FieldCount;
for (int i = 0; i < fcnt; i++)
{
String name = rdr.GetName(i);
Type ft = rdr.GetFieldType(i);
Object value = null;
try
{
if (!rdr.IsDBNull(i))
{
value = rdr.GetValue(i);
}
} catch (Exception e)
{
if (!q.AllowConversionErrors)
{
throw new BMException(e, "{0}\r\nField={1}, type={2}.", e.Message, name, ft);
}
addConversionError(name, e);
}
sink.HandleValue(ctx, pfxField + name, value);
}
sink.HandleValue(ctx, pfxRecord, rdr);
ctx.IncrementEmitted();
}
}
private void importUrl(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt)
{
ctx.IncrementEmitted();
TikaAsyncWorker worker = new TikaAsyncWorker(this, elt);
String fileName = elt.FullName;
sink.HandleValue(ctx, "record/_start", fileName);
sink.HandleValue(ctx, "record/lastmodutc", worker.LastModifiedUtc);
sink.HandleValue(ctx, "record/virtualFilename", elt.VirtualName);
//Check if we need to convert this file
if ((ctx.ImportFlags & _ImportFlags.ImportFull) == 0) //Not a full import
{
if ((ctx.ImportFlags & _ImportFlags.RetryErrors) == 0 && worker.LastModifiedUtc < previousRun)
{
ctx.Skipped++;
return;
}
ExistState existState = toExistState(sink.HandleValue(ctx, "record/_checkexist", elt));
if ((existState & (ExistState.ExistSame | ExistState.ExistNewer | ExistState.Exist)) != 0)
{
ctx.Skipped++;
return;
}
}
TikaAsyncWorker popped = pushPop(ctx, sink, worker);
if (popped != null)
{
importUrl(ctx, sink, popped);
}
}
private void importSheet(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt, Worksheet sheet)
{
Range used = sheet.UsedRange;
Range usedCells = used.Cells;
if (usedCells == null)
{
return;
}
Object[,] c = (Object[, ])used.Cells.Value2;
if (c == null)
{
return;
}
int lo1 = c.GetLowerBound(0);
int hi1 = c.GetUpperBound(0);
int lo2 = c.GetLowerBound(1);
int hi2 = c.GetUpperBound(1);
List <String> headers = new List <string>();
if (headersAt >= 0)
{
int headersRow = lo1 + headersAt;
if (headersRow <= hi1)
{
int h = 0;
for (int j = lo2; j <= hi2; j++)
{
for (; h < j; h++)
{
headers.Add(null);
}
headers.Add(_toString(c[headersRow, j]));
h++;
}
}
}
var keys = prepareEventKeys(sheet.Name, hi2 + 1, headers);
for (int i = lo1 + startAt; i <= hi1; i++)
{
for (int j = lo2; j <= hi2; j++)
{
sink.HandleValue(ctx, keys[j], c[i, j]);
}
sink.HandleValue(ctx, keys[0], null);
ctx.IncrementEmitted();
}
}
private void importRecord(PipelineContext ctx, IDatasourceSink sink, Stream strm, int splitUntil)
{
JsonTextReader rdr = new JsonTextReader(new StreamReader(strm, true));
JToken jt = JObject.ReadFrom(rdr);
rdr.Close();
strm.Close();
if (jt.Type != JTokenType.Array)
{
Pipeline.EmitToken(ctx, sink, jt, "record", splitUntil);
ctx.IncrementEmitted();
}
else
{
foreach (var item in (JArray)jt)
{
Pipeline.EmitToken(ctx, sink, item, "record", splitUntil);
ctx.IncrementEmitted();
}
}
}
//private Stream createInputStream (String fn)
//{
// FileStream fs = new FileStream(fn, FileMode.Open, FileAccess.Read, FileShare.Read, 16 * 1024, false);
// //_FileStream fs = new _FileStream(fn, _FileMode.Open, _FileAccess.Read, _FileShare.Read, 16 * 1024);
// String ext = Path.GetExtension(fn);
// if (!String.Equals(".gz", ext, StringComparison.OrdinalIgnoreCase)) goto NO_ZIP;
// byte[] buf = new byte[2];
// fs.Read(buf, 0, 2);
// if (buf[0] != 0x1f || buf[1] != 0x8b) goto NO_ZIP;
// fs.Position = 0;
// return new GZipStream(fs, CompressionMode.Decompress, false);
//NO_ZIP:
// return fs;
//}
protected override void ImportStream(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt, Stream strm)
{
if (oneBasedSortKey != 0)
{
ImportSortedStream(ctx, sink, elt, strm);
return;
}
List <String> keys;
CsvReader csvRdr = createReader(strm);
optReadHeader(csvRdr);
keys = createKeysForEmit();
int startAt = this.startAt;
while (csvRdr.NextRecord())
{
if (startAt > 0 && startAt > csvRdr.Line)
{
continue;
}
ctx.IncrementEmitted();
sink.HandleValue(ctx, "record/_start", null);
var fields = csvRdr.Fields;
int fieldCount = fields.Count;
//ctx.DebugLog.Log("Record {0}. FC={1}", line, fieldCount);
generateMissingKeysForEmit(keys, fieldCount);
for (int i = 0; i < fieldCount; i++)
{
sink.HandleValue(ctx, keys[i], fields[i]);
}
sink.HandleValue(ctx, "record", null);
}
if (csvRdr.NumInvalidRecords > 0)
{
ctx.ImportLog.Log(_LogType.ltWarning, "Invalid records detected: {0}", csvRdr.NumInvalidRecords);
}
}
protected void ImportSortedStream(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt, Stream strm)
{
List <String[]> rows = new List <string[]>();
int maxFieldCount = 0;
CsvReader csvRdr = createReader(strm);
optReadHeader(csvRdr);
int startAt = this.startAt;
int zeroBasedSortKey = (oneBasedSortKey & ~SORTKEY_REVERSE) - 1;
while (csvRdr.NextRecord())
{
if (startAt > 0 && startAt > csvRdr.Line)
{
continue;
}
var fields = csvRdr.Fields;
int fieldCount = fields.Count;
if (fieldCount > maxFieldCount)
{
maxFieldCount = fieldCount;
}
String[] arr = new String[fieldCount + 1];
for (int i = 0; i < fieldCount; i++)
{
arr[i + 1] = fields[i];
}
if (fieldCount > zeroBasedSortKey)
{
arr[0] = arr[zeroBasedSortKey + 1];
}
rows.Add(arr);
}
ctx.DebugLog.Log("First 10 sortkeys:");
int N = rows.Count;
if (N > 10)
{
N = 10;
}
for (int i = 0; i < N; i++)
{
ctx.DebugLog.Log("-- [{0}]: '{1}'", i, rows[i][0]);
}
if (zeroBasedSortKey >= 0)
{
rows.Sort(cbSortString);
}
ctx.DebugLog.Log("First 10 sortkeys after sort:");
for (int i = 0; i < N; i++)
{
ctx.DebugLog.Log("-- [{0}]: '{1}'", i, rows[i][0]);
}
//Fill pre-calculated keys
List <String> keys = createKeysForEmit();
generateMissingKeysForEmit(keys, maxFieldCount);
if ((oneBasedSortKey & SORTKEY_REVERSE) == 0) //Normal order
{
//Emit sorted records
for (int r = 0; r < rows.Count; r++)
{
ctx.IncrementEmitted();
String[] arr = rows[r];
rows[r] = null; //Let this element be GC-ed
sink.HandleValue(ctx, "record/_start", null);
for (int i = 1; i < arr.Length; i++) //arr[0] is the sortkey
{
sink.HandleValue(ctx, keys[i - 1], arr[i]);
}
sink.HandleValue(ctx, "record", null);
}
}
else
{
//Emit reverse sorted records
for (int r = rows.Count - 1; r >= 0; r--)
{
ctx.IncrementEmitted();
String[] arr = rows[r];
rows[r] = null; //Let this element be GC-ed
sink.HandleValue(ctx, "record/_start", null);
for (int i = 1; i < arr.Length; i++) //arr[0] is the sortkey
{
sink.HandleValue(ctx, keys[i - 1], arr[i]);
}
sink.HandleValue(ctx, "record", null);
}
}
}
protected override void ImportStream(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt, Stream strm)
{
int lineNo = -1;
try
{
TextReader rdr = strm.CreateTextReader(encoding);
int charsRead = 0;
if ((mode & _Mode.lines) != 0)
{
while (charsRead < maxToRead)
{
lineNo++;
String line = rdr.ReadLine();
if (line == null)
{
break;
}
if (line.Length == 0)
{
if ((mode & _Mode.stopAtEmpty) != 0)
{
break;
}
}
sink.HandleValue(ctx, "record/line", line);
charsRead += line.Length;
}
}
else
{
lineNo++;
String line = rdr.ReadLine();
if (line != null)
{
charsRead += line.Length;
}
String key, value;
while (line != null)
{
lineNo++;
String nextLine = rdr.ReadLine();
if (nextLine == null)
{
key = "record/" + splitKV(line, out value);
sink.HandleValue(ctx, key, value);
break;
}
charsRead += nextLine.Length;
if (nextLine.Length == 0)
{
if ((mode & _Mode.stopAtEmpty) != 0)
{
break;
}
else
{
continue;
}
}
int offs = 0;
for (; offs < nextLine.Length; offs++)
{
switch (nextLine[offs])
{
case ' ':
case '\t': continue;
}
break;
}
if (offs > 0)
{
line = line + nextLine.Substring(offs);
continue;
}
if (lenient && nextLine.IndexOf(':') < 0)
{
line = line + nextLine;
continue;
}
key = "record/" + splitKV(line, out value);
sink.HandleValue(ctx, key, value);
line = nextLine;
}
}
sink.HandleValue(ctx, "record", null);
ctx.IncrementEmitted();
}
catch (Exception e)
{
e = new BMException(e, "{0}\nLine={1}.", e.Message, lineNo);
ctx.HandleException(e);
}
}
protected override void ImportStream(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt, Stream strm)
{
if (selector != null)
{
XmlHelper h = new XmlHelper();
h.Load(strm.CreateTextReader(), elt.FullName);
selector.Process(ctx, new XmlNodeWrapper(h.DocumentElement));
return;
}
List <String> keys = new List <string>();
List <String> values = new List <String>();
int lvl = -1;
XmlReader rdr = XmlReader.Create(strm);
Logger l = ctx.DebugLog;
while (rdr.Read())
{
if (dumpReader)
{
l.Log("{0}: {1}, {2} [{3}]", rdr.Name, rdr.NodeType, rdr.IsEmptyElement, rdr.Value);
}
switch (rdr.NodeType)
{
case XmlNodeType.CDATA:
case XmlNodeType.Text:
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
if (lvl <= 0)
{
continue;
}
values[lvl] = values[lvl] + rdr.Value;
continue;
case XmlNodeType.Element:
lvl++;
if (lvl >= keys.Count)
{
keys.Add(null); values.Add(null);
}
if (lvl == 0)
{
keys[0] = rdr.Name;
}
else
{
keys[lvl] = keys[lvl - 1] + "/" + rdr.Name;
if (lvl == 1)
{
ctx.IncrementEmitted();
}
}
//l.Log("{0}: [{1}, {2}]", lvl, keys[lvl], rdr.NodeType);
bool isEmpty = rdr.IsEmptyElement; //cache this value: after reading the attribs its value is lost
if (rdr.AttributeCount > 0)
{
String pfx = keys[lvl] + "/@";
for (int j = 0; j < rdr.AttributeCount; j++)
{
rdr.MoveToNextAttribute();
sink.HandleValue(ctx, pfx + rdr.Name, rdr.Value);
}
}
if (!isEmpty)
{
continue;
}
//l.Log("{0}: [{1}]", keys[lvl], rdr.NodeType);
sink.HandleValue(ctx, keys[lvl], null);
lvl--;
continue;
case XmlNodeType.EndElement:
//l.Log("{0}: [{1}]", keys[lvl], rdr.NodeType);
sink.HandleValue(ctx, keys[lvl], values[lvl]);
values[lvl] = null;
lvl--;
continue;
}
}
rdr.Close();
}
private void importUrl(PipelineContext ctx, IDatasourceSink sink, IStreamProvider elt)
{
int maxParallel = elt.ContextNode.ReadInt("@maxparallel", this.maxParallel);
int splitUntil = elt.ContextNode.ReadInt("@splituntil", this.splitUntil);
if (splitUntil < 0)
{
splitUntil = int.MaxValue;
}
bool scan = elt.ContextNode.ReadBool("@scan", this.scan);
String url = elt.ToString();
ctx.SendItemStart(elt);
String command = elt.ContextNode.ReadStr("@command", null);
String index = command != null ? null : elt.ContextNode.ReadStr("@index"); //mutual exclusive with command
String reqBody = elt.ContextNode.ReadStr("request", this.requestBody);
JObject req = null;
if (reqBody != null)
{
req = JObject.Parse(reqBody);
}
ctx.DebugLog.Log("Request scan={1}, body={0}", reqBody, scan);
try
{
Uri uri = new Uri(url);
ESConnection conn = ESHelper.CreateConnection(ctx, url);
ContextCallback cb = new ContextCallback(ctx, this, elt);
conn.Timeout = timeoutInMs; //Same timeout as what we send to ES
conn.OnPrepareRequest = cb.OnPrepareRequest;
if (command != null)
{
var resp = conn.SendCmd("POST", command, reqBody);
resp.ThrowIfError();
Pipeline.EmitToken(ctx, sink, resp.JObject, "response", splitUntil);
}
else
{
ESRecordEnum e = new ESRecordEnum(conn, index, req, numRecords, timeout, scan);
if (maxParallel > 0)
{
e.Async = true;
}
ctx.ImportLog.Log("Starting scan of {0} records. Index={1}, connection={2}, async={3}, buffersize={4} requestbody={5}, splituntil={6}, scan={7}.", e.Count, index, url, e.Async, numRecords, req != null, splitUntil, scan);
foreach (var doc in e)
{
ctx.IncrementEmitted();
sink.HandleValue(ctx, "record/_sort", doc.Sort);
sink.HandleValue(ctx, "record/_type", doc.Type);
if (splitUntil != 0)
{
foreach (var kvp in doc)
{
String pfx = "record/" + kvp.Key;
if (splitUntil == 1)
{
sink.HandleValue(ctx, pfx, kvp.Value);
continue;
}
Pipeline.EmitToken(ctx, sink, kvp.Value, pfx, splitUntil - 1);
}
}
sink.HandleValue(ctx, "record", doc);
}
}
ctx.SendItemStop();
}
catch (Exception e)
{
ctx.HandleException(e);
}
}
