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Add support for N-triples and Turtle

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This commit is contained in:
Owen Stephens 2018-10-27 19:04:07 +01:00
parent 42e8c86a78
commit c3e49e79ab
2 changed files with 54 additions and 0 deletions
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2
main/src/com/google/refine/importers/RdfTripleImporter.java
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@ -86,6 +86,8 @@ public class RdfTripleImporter extends ImportingParserBase {
model.read(input, null, "NT");
break;
case N3:
model.read(input, null, "N3");
break;
case TTL:
model.read(input, null, "TTL");
break;

52
main/tests/server/src/com/google/refine/tests/importers/RdfTripleImporterTests.java
View File

@ -235,6 +235,58 @@ public class RdfTripleImporterTests extends ImporterTest {
Assert.assertEquals(project.rows.get(0).cells.get(3).value, "Fred");
}
@Test
public void canParseTtl() throws UnsupportedEncodingException {
String sampleRdf = "@prefix p: <http://www.example.org/personal_details#> .\n" +
"@prefix m: <http://www.example.org/meeting_organization#> .\n\n" +
"<http://www.example.org/people#fred>\n" +
"p:GivenName \"Fred\";\n" +
"p:hasEmail <mailto:fred@example.com>;\n" +
"m:attending <http://meetings.example.com/cal#m1> .\n";
InputStream input = new ByteArrayInputStream(sampleRdf.getBytes("UTF-8"));
SUT = new RdfTripleImporter(RdfTripleImporter.Mode.TTL);
parseOneFile(SUT, input);
Assert.assertEquals(project.columnModel.columns.size(), 4);
Assert.assertEquals(project.columnModel.columns.get(0).getName(), "subject");
Assert.assertEquals(project.columnModel.columns.get(1).getName(), "http://www.example.org/meeting_organization#attending");
Assert.assertEquals(project.columnModel.columns.get(2).getName(), "http://www.example.org/personal_details#hasEmail");
Assert.assertEquals(project.columnModel.columns.get(3).getName(), "http://www.example.org/personal_details#GivenName");
Assert.assertEquals(project.rows.size(), 1);
Assert.assertEquals(project.rows.get(0).cells.size(), 4);
Assert.assertEquals(project.rows.get(0).cells.get(0).value, "http://www.example.org/people#fred");
Assert.assertEquals(project.rows.get(0).cells.get(1).value, "http://meetings.example.com/cal#m1");
Assert.assertEquals(project.rows.get(0).cells.get(2).value, "mailto:fred@example.com");
Assert.assertEquals(project.rows.get(0).cells.get(3).value, "Fred");
}
@Test
public void canParseNTriples() throws UnsupportedEncodingException {
String sampleRdf = "<http://www.example.org/people#fred> <http://www.example.org/meeting_organization#attending> <http://meetings.example.com/cal#m1> . \n" +
"<http://www.example.org/people#fred> <http://www.example.org/personal_details#hasEmail> <mailto:fred@example.com> . \n" +
"<http://www.example.org/people#fred> <http://www.example.org/personal_details#GivenName> \"Fred\" . ";
InputStream input = new ByteArrayInputStream(sampleRdf.getBytes("UTF-8"));
SUT = new RdfTripleImporter(RdfTripleImporter.Mode.NT);
parseOneFile(SUT, input);
Assert.assertEquals(project.columnModel.columns.size(), 4);
Assert.assertEquals(project.columnModel.columns.get(0).getName(), "subject");
Assert.assertEquals(project.columnModel.columns.get(1).getName(), "http://www.example.org/personal_details#GivenName");
Assert.assertEquals(project.columnModel.columns.get(2).getName(), "http://www.example.org/personal_details#hasEmail");
Assert.assertEquals(project.columnModel.columns.get(3).getName(), "http://www.example.org/meeting_organization#attending");
Assert.assertEquals(project.rows.size(), 1);
Assert.assertEquals(project.rows.get(0).cells.size(), 4);
Assert.assertEquals(project.rows.get(0).cells.get(0).value, "http://www.example.org/people#fred");
Assert.assertEquals(project.rows.get(0).cells.get(1).value, "Fred");
Assert.assertEquals(project.rows.get(0).cells.get(2).value, "mailto:fred@example.com");
Assert.assertEquals(project.rows.get(0).cells.get(3).value, "http://meetings.example.com/cal#m1");
}
@Test
public void canParseJsonld() throws UnsupportedEncodingException {
String sampleJsonld = "{\n "+