if (req.getLocation().getSource() != null) {
                modelId = req.getLocation().getSource().getModelId();
                source = req.getLocation().getSource().getLocation();
            }
        }

        if (modelId == null) {
            modelId = getModelId();
            source = getSource();
        }

                            md.getClassifier(),
                            edge.getArtifactUri(),
                            edge.getSource() == null
                                    ? ""
                                    : edge.getSource().getMd().toString(),
                            edge.isResolved(),
                            edge.getTarget() == null
                                    ? null

     * @return the hint about the source of the problem or an empty string if unknown, never {@code null}
     */
    @Nonnull
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return the one-based index of the line containing the problem or a non-positive value if unknown
     */

        this.lineNumber = location.getLineNumber();
        this.columnNumber = location.getColumnNumber();
        this.source = location.getSource() != null ? new InputSource(location.getSource()) : null;
        this.locations = location.getLocations().isEmpty()
                ? null
                : location.getLocations().entrySet().stream()

import javax.inject.Inject

@CacheableTask
abstract class Docbook2Xhtml extends SourceTask {
    @Override
    @PathSensitive(PathSensitivity.RELATIVE)
    FileTree getSource() {
        return super.getSource()
    }

    @PathSensitive(PathSensitivity.RELATIVE)
    @InputDirectory
    abstract DirectoryProperty getStylesheetDirectory();

    @PathSensitive(PathSensitivity.RELATIVE)
    @InputFiles

                    activeProfiles.add(profile);

                    if (Profile.SOURCE_POM.equals(profile.getSource())) {
                        activatedPomProfileNotByDefault = true;
                    }
                } else if (isActiveByDefault(profile)) {
                    if (Profile.SOURCE_POM.equals(profile.getSource())) {
                        activePomProfilesByDefault.add(profile);
                    } else {

            return read(in, isStrict(options), getSource(options));
        }
    }

    @Override
    public Model read(InputStream input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (XmlStreamReader in = ReaderFactory.newXmlReader(input)) {
            return read(in, isStrict(options), getSource(options));
        }
    }

// following test. Adding new code before this test or changing its
// position will cause the line number to change and the test to FAIL
// Tests getSource().
func TestGetSource(t *testing.T) {
	currentSource := func() string { return getSource(2) }
	gotSource := currentSource()
	// Hard coded line number, 34, in the "expectedSource" value
	expectedSource := "[namespace-lock_test.go:34:TestGetSource()]"

            assertNotNull(
                    location.getSource(), "Profile location source should not be null for profile: " + profile.getId());
            assertTrue(
                    location.getSource().getLocation().contains("pom-with-profiles/pom.xml"),
                    "Profile location should contain 'pom-with-profiles/pom.xml', but was: "
                            + location.getSource().getLocation() + " for profile: " + profile.getId());

    @OutputFile
    abstract RegularFileProperty getDestinationFile();

    /**
     * {@inheritDoc}
     */
    @Override
    @PathSensitive(PathSensitivity.NAME_ONLY)
    FileTree getSource() {
        return super.getSource();
    }

    @TaskAction
    def extract() {
        Date start = new Date()

        //parsing all input files into metadata
        //and placing them in the repository object