public boolean isExtensions() {
        return (getExtensions() != null) ? Boolean.parseBoolean(getExtensions()) : false;
    }
            ]]>
          </code>
        </codeSegment>
        <codeSegment>
          <version>4.0.0/4.0.99</version>
          <code>
            <![CDATA[
    public void setExtensions(boolean extensions) {
        setExtensions(String.valueOf(extensions));
    }

    /**

        target.getVersioning().setSnapshot(snapshot);
        target.getVersioning().setLastUpdated("20200921071745");
        SnapshotVersion sv = new SnapshotVersion();
        sv.setClassifier("sources");
        sv.setExtension("jar");
        sv.setUpdated("20200710072412");
        target.getVersioning().addSnapshotVersion(sv);

        Metadata source = createMetadataFromArtifact(artifact);

        for (Artifact artifact : artifacts) {
            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());
            sv.setExtension(artifact.getExtension());
            sv.setVersion(getVersion());
            sv.setUpdated(lastUpdated);
            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

            }

            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());
            sv.setExtension(artifact.getExtension());
            sv.setVersion(version);
            sv.setUpdated(lastUpdated);

            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

public class ArtifactHandlerMock implements ArtifactHandler {

    private String extension, directory, classifier, packaging, language;
    private boolean includesDependencies, addedToClasspath;

    public void setExtension(String extension) {
        this.extension = extension;
    }

    @Override
    public String getExtension() {
        return extension;
    }

    public void setDirectory(String directory) {

        return type;
    }

    @Override
    public String getExtension() {
        if (extension == null) {
            return type;
        }
        return extension;
    }

    public void setExtension(final String extension) {
        this.extension = extension;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

            if (extensionsFile != null && Files.exists(extensionsFile)) {
                try (InputStream is = Files.newInputStream(extensionsFile)) {
                    return new CoreExtensionsStaxReader().read(is, true).getExtensions();
                }
            }
            return List.of();
        } catch (XMLStreamException e) {
            throw new ParserException("Failed to parse extensions file: " + extensionsFile, e);
        }

        public void setVersion(String version) {
            this.version = version;
        }

        public String getExtension() {
            return extension;
        }

        public void setExtension(String extension) {
            this.extension = extension;
        }

        public String getClassifier() {
            return classifier;
        }

                            EMPTY,
                            problems,
                            errOn30,
                            Version.V20,
                            p.getExtensions(),
                            p.getKey(),
                            p);

                    validate20EffectivePluginDependencies(problems, p, request);
                }

            if (Files.exists(extensionsPath)) {
                try (InputStream is = Files.newInputStream(extensionsPath)) {
                    return new CoreExtensionsStaxReader().read(is, true).getExtensions();
                }
            }
        }
        return List.of();
    }

    private ClassRealm setupContainerRealm(