Examples with CyTransformerReaderImpl org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl used on opensource projects

Example 1 with CyTransformerReaderImpl

use of org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl in project cytoscape-impl by cytoscape.

the class CreateFilterTaskTest method initMocks.

@Before
public void initMocks() {
    MockitoAnnotations.initMocks(this);
    transformerContainer = new TestTransformerContainer();
    TransformerManagerImpl transformerManager = new TransformerManagerImpl();
    transformerManager.registerFilterFactory(new ColumnFilterFactory(), Collections.emptyMap());
    transformerManager.registerFilterFactory(new DegreeFilterFactory(), Collections.emptyMap());
    transformerManager.registerFilterFactory(new TopologyFilterFactory(), Collections.emptyMap());
    transformerManager.registerFilterFactory(new CompositeFilterFactory<>(CyNetwork.class, CyIdentifiable.class), Collections.emptyMap());
    CyTransformerReaderImpl transformerReader = new CyTransformerReaderImpl();
    transformerReader.registerTransformerManager(transformerManager, Collections.emptyMap());
    when(serviceRegistrar.getService(CyTransformerReader.class)).thenReturn(transformerReader);
    when(serviceRegistrar.getService(TransformerContainer.class, "(container.type=filter)")).thenReturn(transformerContainer);
}

Example 2 with CyTransformerReaderImpl

use of org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl in project cytoscape-impl by cytoscape.

the class FilterIOTest method testSerializationRoundTrip.

@Test
public void testSerializationRoundTrip() throws Exception {
    DegreeFilter degreeFilter = new DegreeFilter();
    degreeFilter.setCriterion(new Double[] { 0.2, 5.5 });
    degreeFilter.setEdgeType(CyEdge.Type.ANY);
    DummyFilter dummyFilter = new DummyFilter();
    CyTransformerWriter writer = new CyTransformerWriterImpl();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    writer.write(stream, FilterIO.createNamedTransformer("filter1", degreeFilter), FilterIO.createNamedTransformer("filter2", dummyFilter));
    String serialized = stream.toString("utf-8");
    TransformerManagerImpl transformerManager = new TransformerManagerImpl();
    Map<String, String> properties = Collections.emptyMap();
    transformerManager.registerFilterFactory(new DegreeFilterFactory(), properties);
    transformerManager.registerFilterFactory(new DummyFilterFactory(), properties);
    CyTransformerReaderImpl reader = new CyTransformerReaderImpl();
    reader.registerTransformerManager(transformerManager, null);
    ByteArrayInputStream inputStream = new ByteArrayInputStream(stream.toByteArray());
    NamedTransformer<?, ?>[] transformers = reader.read(inputStream);
    ByteArrayOutputStream stream2 = new ByteArrayOutputStream();
    writer.write(stream2, transformers);
    String serialized2 = stream2.toString("utf-8");
    Assert.assertEquals(serialized, serialized2);
}

Example 3 with CyTransformerReaderImpl

use of org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl in project cytoscape-impl by cytoscape.

the class FilterIOTest method testSubFilterTransformerRoundTrip.

@SuppressWarnings("rawtypes")
@Test
public void testSubFilterTransformerRoundTrip() throws Exception {
    ColumnFilter columnFilter = new ColumnFilter();
    columnFilter.setColumnName("MyColName");
    columnFilter.setPredicateAndCriterion(Predicate.CONTAINS, "blah");
    AdjacencyTransformer adjacency = new AdjacencyTransformer();
    adjacency.setAction(Action.REPLACE);
    adjacency.setEdgesAre(EdgesAre.INCOMING);
    adjacency.setFilterTarget(What.EDGES);
    adjacency.setOutput(What.EDGES);
    adjacency.getCompositeFilter().append(columnFilter);
    CyTransformerWriter writer = new CyTransformerWriterImpl();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    writer.write(stream, FilterIO.createNamedTransformer("transformer1", adjacency));
    // String serialized = stream.toString("utf-8");
    TransformerManagerImpl transformerManager = new TransformerManagerImpl();
    Map<String, String> properties = Collections.emptyMap();
    transformerManager.registerFilterFactory(new ColumnFilterFactory(), properties);
    transformerManager.registerElementTransformerFactory(new AdjacencyTransformerFactory(), properties);
    CyTransformerReaderImpl reader = new CyTransformerReaderImpl();
    reader.registerTransformerManager(transformerManager, null);
    ByteArrayInputStream inputStream = new ByteArrayInputStream(stream.toByteArray());
    NamedTransformer<?, ?>[] transformers = reader.read(inputStream);
    Assert.assertNotNull(transformers);
    Assert.assertEquals(1, transformers.length);
    NamedTransformer<?, ?> namedTransformer = transformers[0];
    Assert.assertNotNull(namedTransformer);
    Assert.assertEquals("transformer1", namedTransformer.getName());
    List children = namedTransformer.getTransformers();
    Assert.assertEquals(1, children.size());
    Transformer child = (Transformer) children.get(0);
    Assert.assertNotNull(child);
    Assert.assertTrue(child instanceof AdjacencyTransformer);
    AdjacencyTransformer adjacency2 = (AdjacencyTransformer) child;
    Assert.assertEquals(adjacency.getAction(), adjacency2.getAction());
    Assert.assertEquals(adjacency.getEdgesAre(), adjacency2.getEdgesAre());
    Assert.assertEquals(adjacency.getFilterTarget(), adjacency2.getFilterTarget());
    Assert.assertEquals(adjacency.getOutput(), adjacency2.getOutput());
    CompositeFilter<?, ?> composite = adjacency2.getCompositeFilter();
    Assert.assertEquals(1, composite.getLength());
    Filter filter = composite.get(0);
    Assert.assertTrue(filter instanceof ColumnFilter);
    ColumnFilter columnFilter2 = (ColumnFilter) filter;
    Assert.assertEquals(columnFilter.getColumnName(), columnFilter2.getColumnName());
    Assert.assertEquals(columnFilter.getPredicate(), columnFilter2.getPredicate());
    Assert.assertEquals(columnFilter.getCriterion(), columnFilter2.getCriterion());
}

Example 4 with CyTransformerReaderImpl

use of org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl in project cytoscape-impl by cytoscape.

the class CyActivator method start.

@Override
public void start(BundleContext bc) {
    final CyServiceRegistrar serviceRegistrar = getService(bc, CyServiceRegistrar.class);
    StreamUtilImpl streamUtil = new StreamUtilImpl(serviceRegistrar);
    BasicCyFileFilter expressionFilter = new BasicCyFileFilter(new String[] { "pvals" }, new String[] { "text/plain" }, "Cytoscape Expression Matrix", DataCategory.TABLE, streamUtil);
    // Always register CYS filters from higher to lower version!
    BasicCyFileFilter cys3Filter = new SessionFileFilter(new String[] { "cys" }, new String[] { "application/zip" }, "Cytoscape 3 Session", DataCategory.SESSION, "3.0.0", streamUtil);
    BasicCyFileFilter cys2Filter = new SessionFileFilter(new String[] { "cys" }, new String[] { "application/zip" }, "Cytoscape 2 Session", DataCategory.SESSION, "2.0.0", streamUtil);
    BasicCyFileFilter pngFilter = new BasicCyFileFilter(new String[] { "png" }, new String[] { "image/png" }, "PNG", DataCategory.IMAGE, streamUtil);
    BasicCyFileFilter jpegFilter = new BasicCyFileFilter(new String[] { "jpg", "jpeg" }, new String[] { "image/jpeg" }, "JPEG", DataCategory.IMAGE, streamUtil);
    BasicCyFileFilter pdfFilter = new BasicCyFileFilter(new String[] { "pdf" }, new String[] { "image/pdf" }, "PDF", DataCategory.IMAGE, streamUtil);
    BasicCyFileFilter psFilter = new BasicCyFileFilter(new String[] { "ps" }, new String[] { "image/ps" }, "PostScript", DataCategory.IMAGE, streamUtil);
    BasicCyFileFilter svgFilter = new BasicCyFileFilter(new String[] { "svg" }, new String[] { "image/svg" }, "SVG", DataCategory.IMAGE, streamUtil);
    BasicCyFileFilter attrsFilter = new BasicCyFileFilter(new String[] { "attrs" }, new String[] { "text/plain" }, "Text", DataCategory.TABLE, streamUtil);
    BasicCyFileFilter sifFilter = new BasicCyFileFilter(new String[] { "sif" }, new String[] { "text/sif" }, "SIF", DataCategory.NETWORK, streamUtil);
    BasicCyFileFilter nnfFilter = new BasicCyFileFilter(new String[] { "nnf" }, new String[] { "text/nnf" }, "NNF", DataCategory.NETWORK, streamUtil);
    BasicCyFileFilter csvFilter = new BasicCyFileFilter(new String[] { "csv" }, new String[] { "text/plain" }, "CSV", DataCategory.TABLE, streamUtil);
    BasicCyFileFilter sessionTableFilter = new BasicCyFileFilter(new String[] { "cytable" }, new String[] { "text/plain" }, "Session Table", DataCategory.TABLE, streamUtil);
    GenericXGMMLFileFilter xgmmlFilter = new GenericXGMMLFileFilter(new String[] { "xgmml", "xml" }, new String[] { "text/xgmml", "text/xgmml+xml" }, "XGMML", DataCategory.NETWORK, streamUtil);
    SessionXGMMLFileFilter sessXgmmlFileFilter = new SessionXGMMLFileFilter(new String[] { "xgmml" }, new String[] { "text/xgmml", "text/xgmml+xml" }, "Cy3 Session XGMML", DataCategory.NETWORK, streamUtil);
    SessionXGMMLNetworkFileFilter sessXgmmlNetFileFilter = new SessionXGMMLNetworkFileFilter(new String[] { "xgmml" }, new String[] { "text/xgmml", "text/xgmml+xml" }, "CYS Network XGMML", DataCategory.NETWORK, streamUtil);
    SessionXGMMLNetworkViewFileFilter sessXgmmlViewFileFilter = new SessionXGMMLNetworkViewFileFilter(new String[] { "xgmml" }, new String[] { "text/xgmml", "text/xgmml+xml" }, "CYS View XGMML", DataCategory.NETWORK, streamUtil);
    GMLFileFilter gmlFilter = new GMLFileFilter(new String[] { "gml" }, new String[] { "text/gml" }, "GML", DataCategory.NETWORK, streamUtil);
    CysessionFileFilter cysessionFilter = new CysessionFileFilter(new String[] { "xml" }, new String[] {}, "Cysession XML", DataCategory.PROPERTIES, streamUtil);
    BookmarkFileFilter bookmarksFilter = new BookmarkFileFilter(new String[] { "xml" }, new String[] {}, "Bookmark XML", DataCategory.PROPERTIES, streamUtil);
    PropertiesFileFilter propertiesFilter = new PropertiesFileFilter(new String[] { "props", "properties" }, new String[] {}, "Java Properties", DataCategory.PROPERTIES, streamUtil);
    VizmapXMLFileFilter vizmapXMLFilter = new VizmapXMLFileFilter(new String[] { "xml" }, new String[] {}, "Style XML", DataCategory.VIZMAP, streamUtil);
    VizmapPropertiesFileFilter vizmapPropertiesFilter = new VizmapPropertiesFileFilter(new String[] { "props", "properties" }, new String[] {}, "Vizmap Java Properties", DataCategory.VIZMAP, streamUtil);
    CyNetworkReaderManagerImpl networkReaderManager = new CyNetworkReaderManagerImpl(streamUtil);
    CyTableReaderManagerImpl tableReaderManager = new CyTableReaderManagerImpl(streamUtil);
    CySessionReaderManagerImpl sessionReaderManager = new CySessionReaderManagerImpl(streamUtil);
    VizmapReaderManagerImpl vizmapReaderManager = new VizmapReaderManagerImpl(streamUtil);
    CyPropertyReaderManagerImpl propertyReaderManager = new CyPropertyReaderManagerImpl(streamUtil);
    PresentationWriterManagerImpl viewWriterManager = new PresentationWriterManagerImpl();
    CyNetworkViewWriterManagerImpl networkViewWriterManager = new CyNetworkViewWriterManagerImpl();
    SessionWriterManagerImpl sessionWriterManager = new SessionWriterManagerImpl();
    PropertyWriterManagerImpl propertyWriterManager = new PropertyWriterManagerImpl();
    CyTableWriterManagerImpl tableWriterManager = new CyTableWriterManagerImpl();
    VizmapWriterManagerImpl vizmapWriterManager = new VizmapWriterManagerImpl();
    CalculatorConverterFactory calculatorConverterFactory = new CalculatorConverterFactory();
    ExpressionReaderFactory expressionReaderFactory = new ExpressionReaderFactory(expressionFilter, serviceRegistrar);
    CyAttributesReaderFactory attrsDataReaderFactory = new CyAttributesReaderFactory(attrsFilter, serviceRegistrar);
    SIFNetworkReaderFactory sifNetworkViewReaderFactory = new SIFNetworkReaderFactory(sifFilter, serviceRegistrar);
    NNFNetworkReaderFactory nnfNetworkViewReaderFactory = new NNFNetworkReaderFactory(nnfFilter, serviceRegistrar);
    UnrecognizedVisualPropertyManager unrecognizedVisualPropertyManager = new UnrecognizedVisualPropertyManager(serviceRegistrar);
    GMLNetworkReaderFactory gmlNetworkViewReaderFactory = new GMLNetworkReaderFactory(gmlFilter, unrecognizedVisualPropertyManager, serviceRegistrar);
    ReadCache readCache = new ReadCache(serviceRegistrar);
    GroupUtil groupUtil = new GroupUtil(serviceRegistrar);
    SUIDUpdater suidUpdater = new SUIDUpdater();
    ReadDataManager readDataManager = new ReadDataManager(readCache, suidUpdater, groupUtil, serviceRegistrar);
    HandlerFactory handlerFactory = new HandlerFactory(readDataManager);
    XGMMLParser xgmmlParser = new XGMMLParser(handlerFactory, readDataManager);
    GenericXGMMLReaderFactory xgmmlReaderFactory = new GenericXGMMLReaderFactory(xgmmlFilter, readDataManager, xgmmlParser, unrecognizedVisualPropertyManager, serviceRegistrar);
    SessionXGMMLNetworkReaderFactory sessXgmmlNetReaderFactory = new SessionXGMMLNetworkReaderFactory(sessXgmmlNetFileFilter, readDataManager, xgmmlParser, unrecognizedVisualPropertyManager, serviceRegistrar);
    SessionXGMMLNetworkViewReaderFactory sessXgmmlViewReaderFactory = new SessionXGMMLNetworkViewReaderFactory(sessXgmmlViewFileFilter, readDataManager, xgmmlParser, unrecognizedVisualPropertyManager, serviceRegistrar);
    CSVCyReaderFactory sessionTableReaderFactory = new CSVCyReaderFactory(sessionTableFilter, true, true, serviceRegistrar);
    Cy3SessionReaderFactoryImpl cy3SessionReaderFactory = new Cy3SessionReaderFactoryImpl(cys3Filter, readCache, groupUtil, suidUpdater, networkReaderManager, propertyReaderManager, vizmapReaderManager, sessionTableReaderFactory, serviceRegistrar);
    Cy2SessionReaderFactoryImpl cy2SessionReaderFactory = new Cy2SessionReaderFactoryImpl(cys2Filter, readCache, groupUtil, networkReaderManager, propertyReaderManager, vizmapReaderManager, serviceRegistrar);
    CysessionReaderFactory cysessionReaderFactory = new CysessionReaderFactory(cysessionFilter);
    BookmarkReaderFactory bookmarkReaderFactory = new BookmarkReaderFactory(bookmarksFilter);
    PropertiesReaderFactory propertiesReaderFactory = new PropertiesReaderFactory(propertiesFilter);
    VisualStyleSerializer visualStyleSerializer = new VisualStyleSerializer(calculatorConverterFactory, serviceRegistrar);
    VizmapXMLReaderFactory vizmapXMLReaderFactory = new VizmapXMLReaderFactory(vizmapXMLFilter, visualStyleSerializer);
    VizmapPropertiesReaderFactory vizmapPropertiesReaderFactory = new VizmapPropertiesReaderFactory(vizmapPropertiesFilter, visualStyleSerializer);
    BitmapWriterFactory pngWriterFactory = new BitmapWriterFactory(pngFilter);
    BitmapWriterFactory jpegWriterFactory = new BitmapWriterFactory(jpegFilter);
    PDFWriterFactory pdfWriterFactory = new PDFWriterFactory(pdfFilter);
    PSWriterFactory psWriterFactory = new PSWriterFactory(psFilter);
    SVGWriterFactory svgWriterFactory = new SVGWriterFactory(svgFilter);
    SifNetworkWriterFactory sifNetworkViewWriterFactory = new SifNetworkWriterFactory(sifFilter);
    NnfNetworkWriterFactory nnfNetworkViewWriterFactory = new NnfNetworkWriterFactory(nnfFilter, serviceRegistrar);
    GenericXGMMLWriterFactory xgmmlWriterFactory = new GenericXGMMLWriterFactory(xgmmlFilter, unrecognizedVisualPropertyManager, groupUtil, serviceRegistrar);
    SessionXGMMLWriterFactory sessionXgmmlWriterFactory = new SessionXGMMLWriterFactory(sessXgmmlFileFilter, unrecognizedVisualPropertyManager, serviceRegistrar);
    CysessionWriterFactoryImpl cysessionWriterFactory = new CysessionWriterFactoryImpl(cysessionFilter);
    BookmarksWriterFactoryImpl bookmarksWriterFactory = new BookmarksWriterFactoryImpl(bookmarksFilter);
    PropertiesWriterFactoryImpl propertiesWriterFactory = new PropertiesWriterFactoryImpl(propertiesFilter);
    CSVTableWriterFactory csvTableWriterFactory = new CSVTableWriterFactory(csvFilter, false, false, true);
    CSVTableWriterFactory sessionTableWriterFactory = new CSVTableWriterFactory(sessionTableFilter, true, true, false);
    VizmapWriterFactoryImpl vizmapWriterFactory = new VizmapWriterFactoryImpl(vizmapXMLFilter, visualStyleSerializer);
    SessionWriterFactoryImpl sessionWriterFactory = new SessionWriterFactoryImpl(cys3Filter, bookmarksFilter, propertiesFilter, sessionTableFilter, vizmapXMLFilter, sessionXgmmlWriterFactory, propertyWriterManager, tableWriterManager, vizmapWriterManager, groupUtil, serviceRegistrar);
    RecentlyOpenedTrackerImpl recentlyOpenedTracker = new RecentlyOpenedTrackerImpl(serviceRegistrar);
    CyTransformerReaderImpl transformerReader = new CyTransformerReaderImpl();
    CyTransformerWriterImpl transformerWriter = new CyTransformerWriterImpl();
    registerService(bc, transformerReader, CyTransformerReader.class);
    registerService(bc, transformerWriter, CyTransformerWriter.class);
    registerServiceListener(bc, transformerReader::registerTransformerManager, transformerReader::unregisterTransformerManager, TransformerManager.class);
    registerService(bc, networkReaderManager, CyNetworkReaderManager.class);
    registerService(bc, tableReaderManager, CyTableReaderManager.class);
    registerService(bc, vizmapReaderManager, VizmapReaderManager.class);
    registerService(bc, viewWriterManager, PresentationWriterManager.class);
    registerService(bc, sessionReaderManager, CySessionReaderManager.class);
    registerService(bc, propertyReaderManager, CyPropertyReaderManager.class);
    registerService(bc, networkViewWriterManager, CyNetworkViewWriterManager.class);
    registerService(bc, sessionWriterManager, CySessionWriterManager.class);
    registerService(bc, propertyWriterManager, CyPropertyWriterManager.class);
    registerService(bc, tableWriterManager, CyTableWriterManager.class);
    registerService(bc, vizmapWriterManager, VizmapWriterManager.class);
    registerService(bc, sifNetworkViewReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, nnfNetworkViewReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, xgmmlReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, sessXgmmlNetReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, sessXgmmlViewReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, attrsDataReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, gmlNetworkViewReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, cy3SessionReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, cy2SessionReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, cysessionReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, bookmarkReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, propertiesReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, vizmapPropertiesReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, vizmapXMLReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, sessionTableReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, expressionReaderFactory, InputStreamTaskFactory.class);
    registerService(bc, streamUtil, StreamUtil.class);
    registerService(bc, unrecognizedVisualPropertyManager, NetworkViewAboutToBeDestroyedListener.class);
    registerService(bc, recentlyOpenedTracker, RecentlyOpenedTracker.class);
    registerServiceListener(bc, networkReaderManager::addInputStreamTaskFactory, networkReaderManager::removeInputStreamTaskFactory, InputStreamTaskFactory.class);
    registerServiceListener(bc, tableReaderManager::addInputStreamTaskFactory, tableReaderManager::removeInputStreamTaskFactory, InputStreamTaskFactory.class);
    registerServiceListener(bc, sessionReaderManager::addInputStreamTaskFactory, sessionReaderManager::removeInputStreamTaskFactory, InputStreamTaskFactory.class);
    registerServiceListener(bc, propertyReaderManager::addInputStreamTaskFactory, propertyReaderManager::removeInputStreamTaskFactory, InputStreamTaskFactory.class);
    registerServiceListener(bc, vizmapReaderManager::addInputStreamTaskFactory, vizmapReaderManager::removeInputStreamTaskFactory, InputStreamTaskFactory.class);
    registerServiceListener(bc, viewWriterManager::addCyWriterFactory, viewWriterManager::removeCyWriterFactory, PresentationWriterFactory.class);
    registerServiceListener(bc, networkViewWriterManager::addCyWriterFactory, networkViewWriterManager::removeCyWriterFactory, CyNetworkViewWriterFactory.class);
    registerServiceListener(bc, sessionWriterManager::addCyWriterFactory, sessionWriterManager::removeCyWriterFactory, CySessionWriterFactory.class);
    registerServiceListener(bc, propertyWriterManager::addCyWriterFactory, propertyWriterManager::removeCyWriterFactory, CyPropertyWriterFactory.class);
    registerServiceListener(bc, tableWriterManager::addCyWriterFactory, tableWriterManager::removeCyWriterFactory, CyTableWriterFactory.class);
    registerServiceListener(bc, vizmapWriterManager::addCyWriterFactory, vizmapWriterManager::removeCyWriterFactory, VizmapWriterFactory.class);
    registerAllServices(bc, pngWriterFactory);
    registerAllServices(bc, jpegWriterFactory);
    registerAllServices(bc, pdfWriterFactory);
    registerAllServices(bc, psWriterFactory);
    registerAllServices(bc, svgWriterFactory);
    registerAllServices(bc, sifNetworkViewWriterFactory);
    registerAllServices(bc, nnfNetworkViewWriterFactory);
    registerAllServices(bc, xgmmlWriterFactory);
    registerAllServices(bc, cysessionWriterFactory);
    registerAllServices(bc, bookmarksWriterFactory);
    registerAllServices(bc, propertiesWriterFactory);
    registerAllServices(bc, csvTableWriterFactory);
    registerAllServices(bc, sessionTableWriterFactory);
    registerAllServices(bc, vizmapWriterFactory);
    registerAllServices(bc, sessionWriterFactory);
}

Example 5 with CyTransformerReaderImpl

use of org.cytoscape.io.internal.read.transformer.CyTransformerReaderImpl in project cytoscape-impl by cytoscape.

the class FilterIOTest method testLoadOldTopologyFilter.

/**
 * The topology filter was made a composite filter in 3.3. Older versions of cytoscape
 * will export a topology filter without the "transformers" field that is part of
 * composite filters. The filter json parser was enhanced to support this.
 */
@SuppressWarnings("rawtypes")
@Test
public void testLoadOldTopologyFilter() throws IOException {
    TransformerManagerImpl transformerManager = new TransformerManagerImpl();
    Map<String, String> properties = Collections.emptyMap();
    transformerManager.registerFilterFactory(new CompositeFilterFactory<CyNetwork, CyIdentifiable>(CyNetwork.class, CyIdentifiable.class), properties);
    transformerManager.registerFilterFactory(new TopologyFilterFactory(), properties);
    transformerManager.registerFilterFactory(new ColumnFilterFactory(), properties);
    String path = "./src/test/resources/testData/filter/topology-filter-3.2.json";
    byte[] encoded = Files.readAllBytes(Paths.get(path));
    // String contents = new String(encoded);
    // System.out.println(contents);
    CyTransformerReaderImpl reader = new CyTransformerReaderImpl();
    reader.registerTransformerManager(transformerManager, null);
    ByteArrayInputStream inputStream = new ByteArrayInputStream(encoded);
    NamedTransformer<?, ?>[] transformers = reader.read(inputStream);
    Assert.assertNotNull(transformers);
    Assert.assertEquals(1, transformers.length);
    NamedTransformer<?, ?> namedTransformer = transformers[0];
    Assert.assertNotNull(namedTransformer);
    Assert.assertEquals("Default filter", namedTransformer.getName());
    List children = namedTransformer.getTransformers();
    Assert.assertEquals(1, children.size());
    Transformer child = (Transformer) children.get(0);
    Assert.assertNotNull(child);
    Assert.assertTrue(child instanceof CompositeFilter);
    CompositeFilter composite = (CompositeFilter) child;
    Assert.assertEquals(2, composite.getLength());
    Assert.assertTrue(composite.get(0) instanceof TopologyFilter);
    Assert.assertTrue(composite.get(1) instanceof ColumnFilter);
    TopologyFilter topology = (TopologyFilter) composite.get(0);
    Assert.assertEquals(0, topology.getLength());
    Assert.assertEquals(Integer.valueOf(4), topology.getDistance());
    Assert.assertEquals(Integer.valueOf(5), topology.getThreshold());
    ColumnFilter column = (ColumnFilter) composite.get(1);
    Assert.assertEquals("name", column.getColumnName());
}