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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package riotcmd;
import java.io.InputStream ;
import java.io.OutputStream ;
import java.util.HashMap ;
import java.util.Map ;
import org.apache.jena.atlas.io.IO ;
import org.apache.jena.atlas.web.ContentType ;
import org.apache.jena.atlas.web.TypedInputStream ;
import org.apache.jena.riot.* ;
import org.apache.jena.riot.lang.LabelToNode ;
import org.apache.jena.riot.lang.LangRIOT ;
import org.apache.jena.riot.lang.StreamRDFCounting ;
import org.apache.jena.riot.out.NodeToLabel ;
import org.apache.jena.riot.process.inf.InfFactory ;
import org.apache.jena.riot.process.inf.InferenceSetupRDFS ;
import org.apache.jena.riot.system.* ;
import org.apache.jena.riot.tokens.Tokenizer ;
import org.apache.jena.riot.tokens.TokenizerFactory ;
import arq.cmd.CmdException ;
import arq.cmdline.* ;
import com.hp.hpl.jena.Jena ;
import com.hp.hpl.jena.query.ARQ ;
/** Common framework for running RIOT parsers */
public abstract class CmdLangParse extends CmdGeneral
{
// We are not a TDB command but still set the logging.
//static { CmdTDB.setLogging() ; }
// Module.
protected ModTime modTime = new ModTime() ;
protected ModLangParse modLangParse = new ModLangParse() ;
protected ModSymbol modSymbol = new ModSymbol() ;
protected ArgDecl argStrict = new ArgDecl(ArgDecl.NoValue, "strict") ;
protected InferenceSetupRDFS setup = null ;
interface LangHandler {
String getItemsName() ;
String getRateName() ;
}
static LangHandler langHandlerQuads = new LangHandler()
{
@Override
public String getItemsName() { return "quads" ; }
@Override
public String getRateName() { return "QPS" ; }
} ;
static LangHandler langHandlerTriples = new LangHandler()
{
@Override
public String getItemsName() { return "triples" ; }
@Override
public String getRateName() { return "TPS" ; }
} ;
static LangHandler langHandlerAny = new LangHandler()
{
@Override
public String getItemsName() { return "tuples" ; }
@Override
public String getRateName() { return "TPS" ; }
} ;
protected static Map dispatch = new HashMap() ;
static {
for ( Lang lang : RDFLanguages.getRegisteredLanguages() )
{
if ( RDFLanguages.isQuads(lang) )
dispatch.put(lang, langHandlerQuads) ;
else
dispatch.put(lang, langHandlerTriples) ;
}
}
protected LangHandler langHandlerOverall = null ;
protected CmdLangParse(String[] argv)
{
super(argv) ;
super.addModule(modTime) ;
super.addModule(modLangParse) ;
super.addModule(modSymbol) ;
super.modVersion.addClass(Jena.class) ;
super.modVersion.addClass(ARQ.class) ;
super.modVersion.addClass(RIOT.class) ;
}
@Override
protected String getSummary()
{
//return getCommandName()+" [--time] [--check|--noCheck] [--sink] [--base=IRI] [--skip | --stopOnError] file ..." ;
return getCommandName()+" [--time] [--check|--noCheck] [--sink] [--base=IRI] file ..." ;
}
@Override
protected void processModulesAndArgs()
{
if ( this.contains(argStrict) )
RIOT.setStrictMode(true) ;
}
protected long totalMillis = 0 ;
protected long totalTuples = 0 ;
OutputStream output = System.out ;
@Override
protected void exec()
{
if ( modLangParse.strictMode() )
RIOT.setStrictMode(true) ;
if ( modLangParse.getRDFSVocab() != null )
setup = new InferenceSetupRDFS(modLangParse.getRDFSVocab()) ;
try {
if ( super.getPositional().isEmpty() )
parseFile("-") ;
else
{
boolean b = super.getPositional().size() > 1 ;
for ( String fn : super.getPositional() )
{
if ( b && ! super.isQuiet() )
SysRIOT.getLogger().info("File: "+fn) ;
parseFile(fn) ;
}
}
} finally {
System.err.flush() ;
System.out.flush() ;
if ( super.getPositional().size() > 1 && modTime.timingEnabled() )
output("Total", totalTuples, totalMillis, langHandlerOverall) ;
}
}
public void parseFile(String filename)
{
TypedInputStream in = null ;
if ( filename.equals("-") ) {
in = new TypedInputStream(System.in) ;
parseFile("http://base/", "stdin", in) ;
} else {
try {
in = RDFDataMgr.open(filename) ;
} catch (Exception ex) {
System.err.println("Can't open '"+filename+"' "+ex.getMessage()) ;
return ;
}
parseFile(null, filename, in) ;
IO.close(in) ;
}
}
public void parseFile(String defaultBaseURI, String filename, TypedInputStream in)
{
String baseURI = modLangParse.getBaseIRI() ;
if ( baseURI == null )
baseURI = defaultBaseURI ;
parseRIOT(baseURI, filename, in) ;
}
protected abstract Lang selectLang(String filename, ContentType contentType, Lang dftLang ) ;
protected void parseRIOT(String baseURI, String filename, TypedInputStream in)
{
// I ti s shame we effectively duplicate deciding thelnaguage but we want to control the
// pasrer at a deep level (in validation, we want line numbers get into error message)
// This code predates RDFDataMgr.
ContentType ct = in.getMediaType() ;
baseURI = SysRIOT.chooseBaseIRI(baseURI, filename) ;
boolean checking = true ;
if ( modLangParse.explicitChecking() ) checking = true ;
if ( modLangParse.explicitNoChecking() ) checking = false ;
ErrorHandler errHandler = null ;
if ( checking )
{
if ( modLangParse.stopOnBadTerm() )
errHandler = ErrorHandlerFactory.errorHandlerStd ;
else
// Try to go on if possible. This is the default behaviour.
errHandler = ErrorHandlerFactory.errorHandlerWarn ;
}
if ( modLangParse.skipOnBadTerm() )
{
// TODO skipOnBadterm
}
Lang lang = selectLang(filename, ct, RDFLanguages.NQUADS) ;
LangHandler handler = dispatch.get(lang) ;
if ( handler == null )
throw new CmdException("Undefined language: "+lang) ;
// If multiple files, choose the overall labels.
if ( langHandlerOverall == null )
langHandlerOverall = handler ;
else
{
if ( langHandlerOverall != langHandlerAny )
{
if ( langHandlerOverall != handler )
langHandlerOverall = langHandlerAny ;
}
}
// Make a flag.
// Input and output subflags.
// If input is "label, then output using NodeToLabel.createBNodeByLabelRaw() ;
// else use NodeToLabel.createBNodeByLabel() ;
// Also, as URI.
final boolean labelsAsGiven = false ;
NodeToLabel labels = SyntaxLabels.createNodeToLabel() ;
if ( labelsAsGiven )
labels = NodeToLabel.createBNodeByLabelEncoded() ;
StreamRDF s = StreamRDFLib.sinkNull() ;
if ( ! modLangParse.toBitBucket() )
s = StreamRDFLib.writer(output) ;
if ( setup != null )
s = InfFactory.inf(s, setup) ;
StreamRDFCounting sink = StreamRDFLib.count(s) ;
s = null ;
// Need low level control over the parser.
LangRIOT parser = RiotReader.createParser(in, lang, baseURI, sink) ;
try
{
if ( checking )
{
if ( parser.getLang() == RDFLanguages.NTRIPLES || parser.getLang() == RDFLanguages.NQUADS )
parser.setProfile(RiotLib.profile(baseURI, false, true, errHandler)) ;
else
parser.setProfile(RiotLib.profile(baseURI, true, true, errHandler)) ;
}
else
parser.setProfile(RiotLib.profile(baseURI, false, false, errHandler)) ;
if ( labelsAsGiven )
parser.getProfile().setLabelToNode(LabelToNode.createUseLabelAsGiven()) ;
modTime.startTimer() ;
parser.parse() ;
}
catch (RiotException ex)
{
// Should have handled the exception and logged a message by now.
//System.err.println("++++"+ex.getMessage());
if ( modLangParse.stopOnBadTerm() )
return ;
}
finally {
// Not close - we may write again to the underlying output stream in another call to parse a file.
sink.finish() ;
IO.close(in) ;
}
long x = modTime.endTimer() ;
long n = sink.countTriples()+sink.countQuads() ;
if ( modTime.timingEnabled() )
output(filename, n, x, handler) ;
totalMillis += x ;
totalTuples += n ;
}
protected Tokenizer makeTokenizer(InputStream in)
{
Tokenizer tokenizer = TokenizerFactory.makeTokenizerUTF8(in) ;
return tokenizer ;
}
protected void output(String label, long numberTriples, long timeMillis, LangHandler handler)
{
double timeSec = timeMillis/1000.0 ;
System.out.flush() ;
System.err.printf("%s : %,5.2f sec %,d %s %,.2f %s\n",
label,
timeMillis/1000.0, numberTriples,
handler.getItemsName(),
timeSec == 0 ? 0.0 : numberTriples/timeSec,
handler.getRateName()) ;
}
protected void output(String label)
{
System.err.printf("%s : \n", label) ;
}
}
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