Jan Martin Keil created JENA-2351:
-------------------------------------
Summary: Newline (U+000A) in IRIs not escaped during
NT/TTL/NQ/TRIG serialization
Key: JENA-2351
URL: https://issues.apache.org/jira/browse/JENA-2351
Project: Apache Jena
Issue Type: Bug
Components: RIOT
Affects Versions: Jena 4.7.0
Reporter: Jan Martin Keil
[Newline characters (U+000A) in
IRIs|https://github.com/dbpedia/extraction-framework/issues/748] are not
escaped during the serialization of a model or datasets into a format of the
turtle family. This results in invalid files, which Jena is not able to read
anymore. Please not the following tests:
{code:java}
import org.apache.jena.query.Dataset;
import org.apache.jena.query.DatasetFactory;
import org.apache.jena.rdf.model.*;
import org.apache.jena.riot.Lang;
import org.apache.jena.riot.RDFDataMgr;
import org.junit.jupiter.api.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class Example {
@Test
public void rdfXml() throws IOException {
Property someProperty =
ResourceFactory.createProperty("http://example.org/property";);
Model model = ModelFactory.createDefaultModel();
model.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
System.out.println("\nRDF/XML:\n");
model.write(System.out,"RDF/XML");
// test write and read
File file = File.createTempFile("example",".rdf");
model.write(new FileOutputStream(file),"RDF/XML");
ModelFactory.createDefaultModel().read(new
FileInputStream(file),"","RDF/XML");
}
@Test
public void ttl() throws IOException {
Property someProperty =
ResourceFactory.createProperty("http://example.org/property";);
Model model = ModelFactory.createDefaultModel();
model.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
System.out.println("\nTTL:\n");
model.write(System.out,"TTL");
// test write and read
File file = File.createTempFile("example",".ttl");
model.write(new FileOutputStream(file),"TTL");
ModelFactory.createDefaultModel().read(new
FileInputStream(file),"","TTL");
}
@Test
public void nTriples() throws IOException {
Property someProperty =
ResourceFactory.createProperty("http://example.org/property";);
Model model = ModelFactory.createDefaultModel();
model.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
System.out.println("\nN-TRIPLE:\n");
model.write(System.out,"N-TRIPLE");
// test write and read
File file = File.createTempFile("example",".nt");
model.write(new FileOutputStream(file),"N-TRIPLE");
ModelFactory.createDefaultModel().read(new
FileInputStream(file),"","N-TRIPLE");
}
@Test
public void nq() throws IOException {
Property someProperty =
ResourceFactory.createProperty("http://example.org/property";);
Model model1 = ModelFactory.createDefaultModel();
model1.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
Model model2 = ModelFactory.createDefaultModel();
model2.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
Dataset dataset = DatasetFactory.createGeneral();
dataset.setDefaultModel(model1);
dataset.addNamedModel("http://example.org/namedGraph",model2);
System.out.println("\nNQ:\n");
RDFDataMgr.write(System.out, dataset, Lang.NQ) ;
// test write and read
File file = File.createTempFile("example", ".nq");
RDFDataMgr.write(new FileOutputStream(file), dataset, Lang.NQ) ;
RDFDataMgr.read(DatasetFactory.createGeneral(), new
FileInputStream(file), Lang.NQ) ;
}
@Test
public void trig() throws IOException {
Property someProperty =
ResourceFactory.createProperty("http://example.org/property";);
Model model1 = ModelFactory.createDefaultModel();
model1.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
Model model2 = ModelFactory.createDefaultModel();
model2.createResource("http://example.org/aaa/\nbbb";).addProperty(someProperty,"a
string");
Dataset dataset = DatasetFactory.createGeneral();
dataset.setDefaultModel(model1);
dataset.addNamedModel("http://example.org/namedGraph",model2);
System.out.println("\nTRIG:\n");
RDFDataMgr.write(System.out, dataset, Lang.TRIG) ;
// test write and read
File file = File.createTempFile("example", ".trig");
RDFDataMgr.write(new FileOutputStream(file), dataset, Lang.TRIG) ;
RDFDataMgr.read(DatasetFactory.createGeneral(), new
FileInputStream(file), Lang.TRIG) ;
}
}
{code}
Outputs (stack traces truncated):
{code:java}
N-TRIPLE:
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" .
Apr. 15, 2023 10:01:45 PM
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorLogger logError
SCHWERWIEGEND: [line: 2, col: 1 ] Broken IRI (newline): http://example.org/aaa/
org.apache.jena.riot.RiotException: [line: 2, col: 1 ] Broken IRI (newline):
http://example.org/aaa/
at
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorHandlerStd.fatal(ErrorHandlerFactory.java:163)
...
{code}
{code:java}
RDF/XML:
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
xmlns:j.0="http://example.org/";>
<rdf:Description rdf:about="http://example.org/aaa/
bbb";>
<j.0:property>a string</j.0:property>
</rdf:Description>
</rdf:RDF>
{code}
{code:java}
NQ:
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" .
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" <http://example.org/namedGraph> .
Apr. 15, 2023 10:01:45 PM
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorLogger logError
SCHWERWIEGEND: [line: 2, col: 1 ] Broken IRI (newline): http://example.org/aaa/
org.apache.jena.riot.RiotException: [line: 2, col: 1 ] Broken IRI (newline):
http://example.org/aaa/
at
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorHandlerStd.fatal(ErrorHandlerFactory.java:163)
...
{code}
{code:java}
TTL:
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" .
Apr. 15, 2023 10:01:45 PM
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorLogger logError
SCHWERWIEGEND: [line: 2, col: 1 ] Broken IRI (newline): http://example.org/aaa/
org.apache.jena.riot.RiotException: [line: 2, col: 1 ] Broken IRI (newline):
http://example.org/aaa/
at
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorHandlerStd.fatal(ErrorHandlerFactory.java:163)
...
{code}
{code:java}
TRIG:
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" .
<http://example.org/namedGraph> {
<http://example.org/aaa/
bbb> <http://example.org/property> "a string" .
}
Apr. 15, 2023 10:01:45 PM
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorLogger logError
SCHWERWIEGEND: [line: 2, col: 1 ] Broken IRI (newline): http://example.org/aaa/
org.apache.jena.riot.RiotException: [line: 2, col: 1 ] Broken IRI (newline):
http://example.org/aaa/
at
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorHandlerStd.fatal(ErrorHandlerFactory.java:163)
...
{code}
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