public void testImportKMLIndirect() throws Exception {
File dir = unpack("kml/sample.zip");
String wsName = getCatalog().getDefaultWorkspace().getName();
DataStoreInfo h2DataStore = createH2DataStore(wsName, "kmltest");
SpatialFile importData = new SpatialFile(new File(dir, "sample.kml"));
ImportContext context = importer.createContext(importData, h2DataStore);
assertEquals(1, context.getTasks().size());
ImportTask task = context.getTasks().get(0);
LayerInfo layer = task.getLayer();
ResourceInfo resource = layer.getResource();
assertEquals("Invalid srs", "EPSG:4326", resource.getSRS());
ReferencedEnvelope emptyBounds = new ReferencedEnvelope();
emptyBounds.setToNull();
assertTrue("Unexpected bounding box", emptyBounds.equals(resource.getNativeBoundingBox()));
// transform chain to limit characters
// otherwise we get a sql exception thrown
TransformChain transformChain = task.getTransform();
transformChain.add(new DescriptionLimitingTransform());
importer.run(context);
Exception error = task.getError();
if (error != null) {
error.printStackTrace();
fail(error.getMessage());
}
assertFalse("Bounding box not updated", emptyBounds.equals(resource.getNativeBoundingBox()));
FeatureTypeInfo fti = (FeatureTypeInfo) resource;
assertEquals("Invalid type name", "sample", fti.getName());
FeatureSource<? extends FeatureType, ? extends Feature> featureSource =
fti.getFeatureSource(null, null);
assertEquals("Unexpected feature count", 20, featureSource.getCount(Query.ALL));
}
public void testImportIntoDatabaseWithEncoding() throws Exception {
Catalog cat = getCatalog();
DataStoreInfo ds = createH2DataStore(cat.getDefaultWorkspace().getName(), "ming");
File dir = tmpDir();
unpack("shape/ming_time.zip", dir);
ImportContext context = importer.createContext(new Directory(dir), ds);
assertEquals(1, context.getTasks().size());
context.getTasks().get(0).getData().setCharsetEncoding("UTF-8");
importer.run(context);
FeatureTypeInfo info = (FeatureTypeInfo) context.getTasks().get(0).getLayer().getResource();
FeatureSource<? extends FeatureType, ? extends Feature> fs = info.getFeatureSource(null, null);
FeatureCollection<? extends FeatureType, ? extends Feature> features = fs.getFeatures();
FeatureIterator<? extends Feature> it = features.features();
assertTrue(it.hasNext());
SimpleFeature next = (SimpleFeature) it.next();
// let's test some attributes to see if they were digested properly
String type_ch = (String) next.getAttribute("type_ch");
assertEquals("卫", type_ch);
String name_ch = (String) next.getAttribute("name_ch");
assertEquals("杭州前卫", name_ch);
it.close();
}
public void setNativeBox(Catalog catalog, String name) throws Exception {
FeatureTypeInfo fti = catalog.getFeatureTypeByName(name);
fti.setNativeBoundingBox(fti.getFeatureSource(null, null).getBounds());
fti.setLatLonBoundingBox(
new ReferencedEnvelope(fti.getNativeBoundingBox(), DefaultGeographicCRS.WGS84));
catalog.save(fti);
}
@Before
public void setUp() throws URISyntaxException, IOException {
outputFormat = new HTMLFeatureInfoOutputFormat(getWMS());
currentTemplate = "test_content.ftl";
// configure template loader
GeoServerTemplateLoader templateLoader =
new GeoServerTemplateLoader(this.getClass(), getDataDirectory()) {
@Override
public Object findTemplateSource(String path) throws IOException {
String templatePath;
if (path.toLowerCase().contains("content")) {
templatePath = currentTemplate;
} else {
templatePath = "empty.ftl";
}
try {
return new File(this.getClass().getResource(templateFolder + templatePath).toURI());
} catch (URISyntaxException e) {
return null;
}
}
};
outputFormat.templateLoader = templateLoader;
// test request with some parameters to use in templates
Request request = new Request();
parameters = new HashMap<String, Object>();
parameters.put("LAYER", "testLayer");
Map<String, String> env = new HashMap<String, String>();
env.put("TEST1", "VALUE1");
env.put("TEST2", "VALUE2");
parameters.put("ENV", env);
request.setKvp(parameters);
Dispatcher.REQUEST.set(request);
final FeatureTypeInfo featureType = getFeatureTypeInfo(MockData.PRIMITIVEGEOFEATURE);
fcType = WfsFactory.eINSTANCE.createFeatureCollectionType();
fcType.getFeature().add(featureType.getFeatureSource(null, null).getFeatures());
// fake layer list
List<MapLayerInfo> queryLayers = new ArrayList<MapLayerInfo>();
LayerInfo layerInfo = new LayerInfoImpl();
layerInfo.setType(PublishedType.VECTOR);
ResourceInfo resourceInfo = new FeatureTypeInfoImpl(null);
NamespaceInfo nameSpace = new NamespaceInfoImpl();
nameSpace.setPrefix("topp");
nameSpace.setURI("http://www.topp.org");
resourceInfo.setNamespace(nameSpace);
layerInfo.setResource(resourceInfo);
MapLayerInfo mapLayerInfo = new MapLayerInfo(layerInfo);
queryLayers.add(mapLayerInfo);
getFeatureInfoRequest = new GetFeatureInfoRequest();
getFeatureInfoRequest.setQueryLayers(queryLayers);
}
private void configureGeogigDataStore() throws Exception {
helper.insertAndAdd(helper.lines1);
helper.getGeogig().command(CommitOp.class).call();
Catalog catalog = getCatalog();
CatalogFactory factory = catalog.getFactory();
NamespaceInfo ns = factory.createNamespace();
ns.setPrefix(WORKSPACE);
ns.setURI(NAMESPACE);
catalog.add(ns);
WorkspaceInfo ws = factory.createWorkspace();
ws.setName(ns.getName());
catalog.add(ws);
DataStoreInfo ds = factory.createDataStore();
ds.setEnabled(true);
ds.setDescription("Test Geogig DataStore");
ds.setName(STORE);
ds.setType(GeoGigDataStoreFactory.DISPLAY_NAME);
ds.setWorkspace(ws);
Map<String, Serializable> connParams = ds.getConnectionParameters();
Optional<URI> geogigDir = helper.getGeogig().command(ResolveGeogigURI.class).call();
File repositoryUrl = new File(geogigDir.get()).getParentFile();
assertTrue(repositoryUrl.exists() && repositoryUrl.isDirectory());
connParams.put(GeoGigDataStoreFactory.REPOSITORY.key, repositoryUrl);
connParams.put(GeoGigDataStoreFactory.DEFAULT_NAMESPACE.key, ns.getURI());
catalog.add(ds);
DataStoreInfo dsInfo = catalog.getDataStoreByName(WORKSPACE, STORE);
assertNotNull(dsInfo);
assertEquals(GeoGigDataStoreFactory.DISPLAY_NAME, dsInfo.getType());
DataAccess<? extends FeatureType, ? extends Feature> dataStore = dsInfo.getDataStore(null);
assertNotNull(dataStore);
assertTrue(dataStore instanceof GeoGigDataStore);
FeatureTypeInfo fti = factory.createFeatureType();
fti.setNamespace(ns);
fti.setCatalog(catalog);
fti.setStore(dsInfo);
fti.setSRS("EPSG:4326");
fti.setName("Lines");
fti.setAdvertised(true);
fti.setEnabled(true);
fti.setCqlFilter("INCLUDE");
fti.setProjectionPolicy(ProjectionPolicy.FORCE_DECLARED);
ReferencedEnvelope bounds = new ReferencedEnvelope(-180, 180, -90, 90, CRS.decode("EPSG:4326"));
fti.setNativeBoundingBox(bounds);
fti.setLatLonBoundingBox(bounds);
catalog.add(fti);
fti = catalog.getFeatureType(fti.getId());
FeatureSource<? extends FeatureType, ? extends Feature> featureSource;
featureSource = fti.getFeatureSource(null, null);
assertNotNull(featureSource);
}
private LayerReference vectorLayer() throws IOException {
Catalog catalog = getCatalog();
FeatureTypeInfo typeInfo = catalog.getFeatureTypeByName(VECTOR_LAYER_NAME);
FeatureSource<? extends FeatureType, ? extends Feature> source;
source = typeInfo.getFeatureSource(null, null);
LayerReference layerReference = new LayerReference(VECTOR_LAYER_NAME, source);
return layerReference;
}
@Test
public void testForce() throws Exception {
FeatureTypeInfo fti = getCatalog().getFeatureTypeByName(MockData.BASIC_POLYGONS.getLocalPart());
assertEquals("EPSG:4269", fti.getSRS());
assertEquals(ProjectionPolicy.FORCE_DECLARED, fti.getProjectionPolicy());
FeatureCollection fc = fti.getFeatureSource(null, null).getFeatures();
assertEquals(CRS.decode("EPSG:4269"), fc.getSchema().getCoordinateReferenceSystem());
FeatureIterator fi = fc.features();
Feature f = fi.next();
fi.close();
assertEquals(CRS.decode("EPSG:4269"), f.getType().getCoordinateReferenceSystem());
}
public void testImportCSVIndirect() throws Exception {
File dir = unpack("csv/locations.zip");
String wsName = getCatalog().getDefaultWorkspace().getName();
DataStoreInfo h2DataStore = createH2DataStore(wsName, "csvindirecttest");
SpatialFile importData = new SpatialFile(new File(dir, "locations.csv"));
ImportContext context = importer.createContext(importData, h2DataStore);
assertEquals(1, context.getTasks().size());
ImportTask task = context.getTasks().get(0);
TransformChain transformChain = task.getTransform();
transformChain.add(new AttributesToPointGeometryTransform("LAT", "LON"));
assertEquals(ImportTask.State.NO_CRS, task.getState());
LayerInfo layer = task.getLayer();
ResourceInfo resource = layer.getResource();
resource.setSRS("EPSG:4326");
assertTrue("Item not ready", importer.prep(task));
assertEquals(ImportTask.State.READY, task.getState());
context.updated();
assertEquals(ImportContext.State.PENDING, context.getState());
importer.run(context);
assertEquals(ImportContext.State.COMPLETE, context.getState());
FeatureTypeInfo fti = (FeatureTypeInfo) resource;
SimpleFeatureType featureType = (SimpleFeatureType) fti.getFeatureType();
GeometryDescriptor geometryDescriptor = featureType.getGeometryDescriptor();
assertNotNull("Expecting geometry", geometryDescriptor);
assertEquals("Invalid geometry name", "location", geometryDescriptor.getLocalName());
assertEquals(3, featureType.getAttributeCount());
FeatureSource<? extends FeatureType, ? extends Feature> featureSource =
fti.getFeatureSource(null, null);
FeatureCollection<? extends FeatureType, ? extends Feature> features =
featureSource.getFeatures();
assertEquals(9, features.size());
FeatureIterator<? extends Feature> featureIterator = features.features();
assertTrue("Expected features", featureIterator.hasNext());
SimpleFeature feature = (SimpleFeature) featureIterator.next();
assertNotNull(feature);
assertEquals("Invalid city attribute", "Trento", feature.getAttribute("CITY"));
assertEquals("Invalid number attribute", 140, feature.getAttribute("NUMBER"));
Object geomAttribute = feature.getAttribute("location");
assertNotNull("Expected geometry", geomAttribute);
Point point = (Point) geomAttribute;
Coordinate coordinate = point.getCoordinate();
assertEquals("Invalid x coordinate", 11.12, coordinate.x, 0.1);
assertEquals("Invalid y coordinate", 46.07, coordinate.y, 0.1);
featureIterator.close();
}
/**
* @param dataStore
* @throws IOException
*/
private void checkProcessingAllowed(JDBCDataStore dataStore, int processing) throws IOException {
// access through catalog to let the security jump in
FeatureTypeInfo ft =
catalog.getResourceByName("destination", "siig_mtd_d_elaborazione", FeatureTypeInfo.class);
FeatureSource source = ft.getFeatureSource(null, null);
FeatureCollection fc =
source.getFeatures(ff2.equals(ff2.property("id_elaborazione"), ff2.literal(processing)));
// check if the given processing is allowed (if not is filtered out from results
// so size should be 0)
if (fc.size() != 1) {
throw new ProcessException("Operation not allowed");
}
}
@Test
public void testWithRename() throws Exception {
FeatureTypeInfo fti = getCatalog().getFeatureTypeByName("MyPoints");
assertEquals("EPSG:4326", fti.getSRS());
assertEquals(ProjectionPolicy.REPROJECT_TO_DECLARED, fti.getProjectionPolicy());
FeatureCollection fc = fti.getFeatureSource(null, null).getFeatures();
assertEquals(CRS.decode("EPSG:4326"), fc.getSchema().getCoordinateReferenceSystem());
FeatureIterator fi = fc.features();
Feature f = fi.next();
// test that geometry was reprojected
Geometry g = (Geometry) f.getDefaultGeometryProperty().getValue();
assertFalse(g.equalsExact(WKT.read("POINT(500050 500050)")));
fi.close();
assertEquals(CRS.decode("EPSG:4326"), f.getType().getCoordinateReferenceSystem());
}
@Test
public void testLeaveNative() throws Exception {
FeatureTypeInfo fti = getCatalog().getFeatureTypeByName(MockData.LINES.getLocalPart());
assertEquals("EPSG:3004", fti.getSRS());
assertEquals(ProjectionPolicy.NONE, fti.getProjectionPolicy());
FeatureCollection fc = fti.getFeatureSource(null, null).getFeatures();
assertEquals(CRS.decode("EPSG:32615"), fc.getSchema().getCoordinateReferenceSystem());
FeatureIterator fi = fc.features();
Feature f = fi.next();
// test that the geometry was left in tact
Geometry g = (Geometry) f.getDefaultGeometryProperty().getValue();
assertTrue(g.equalsExact(WKT.read("LINESTRING(500125 500025,500175 500075)")));
fi.close();
assertEquals(CRS.decode("EPSG:32615"), f.getType().getCoordinateReferenceSystem());
}
public void testIntegerToDateTransform() throws Exception {
Catalog cat = getCatalog();
File dir = unpack("shape/archsites_epsg_prj.zip");
SpatialFile file = new SpatialFile(new File(dir, "archsites.shp"));
file.prepare();
ImportContext context = importer.createContext(file, store);
assertEquals(1, context.getTasks().size());
context.setTargetStore(store);
ImportTask task = context.getTasks().get(0);
// this is a silly test - CAT_ID ranges from 1-25 and is not supposed to be a date
// java date handling doesn't like dates in year 1
task.getTransform().add(new IntegerFieldToDateTransform("CAT_ID"));
importer.run(context);
assertEquals(ImportContext.State.COMPLETE, context.getState());
FeatureTypeInfo ft = cat.getFeatureTypeByDataStore(store, "archsites");
assertNotNull(ft);
SimpleFeatureType schema = (SimpleFeatureType) ft.getFeatureType();
assertEquals(Timestamp.class, schema.getDescriptor("CAT_ID").getType().getBinding());
FeatureIterator it = ft.getFeatureSource(null, null).getFeatures().features();
int year = 2;
Calendar cal = Calendar.getInstance();
cal.setTimeZone(TimeZone.getTimeZone("UTC"));
try {
// make sure we have something
assertTrue(it.hasNext());
// the first date will be bogus due to java date limitation
it.next();
while (it.hasNext()) {
SimpleFeature f = (SimpleFeature) it.next();
// class will be timestamp
cal.setTime((Date) f.getAttribute("CAT_ID"));
assertEquals(year++, cal.get(Calendar.YEAR));
}
} finally {
it.close();
}
}
/**
* Returns the collection of all values of the dimension attribute, eventually sorted if the
* native capabilities allow for it
*
* @param typeInfo
* @param dimension
* @return
* @throws IOException
*/
FeatureCollection getDimensionCollection(FeatureTypeInfo typeInfo, DimensionInfo dimension)
throws IOException {
// grab the feature source
FeatureSource source = null;
try {
source = typeInfo.getFeatureSource(null, GeoTools.getDefaultHints());
} catch (IOException e) {
throw new ServiceException(
"Could not get the feauture source to list time info for layer "
+ typeInfo.getPrefixedName(),
e);
}
// build query to grab the dimension values
final Query dimQuery = new Query(source.getSchema().getName().getLocalPart());
dimQuery.setPropertyNames(Arrays.asList(dimension.getAttribute()));
return source.getFeatures(dimQuery);
}
public void testDateFormatTransform() throws Exception {
Catalog cat = getCatalog();
File dir = unpack("shape/ivan.zip");
SpatialFile file = new SpatialFile(new File(dir, "ivan.shp"));
file.prepare();
ImportContext context = importer.createContext(file, store);
assertEquals(1, context.getTasks().size());
context.setTargetStore(store);
ImportTask task = context.getTasks().get(0);
task.getTransform().add(new DateFormatTransform("timestamp", "yyyy-MM-dd HH:mm:ss.S"));
importer.run(context);
assertEquals(ImportContext.State.COMPLETE, context.getState());
FeatureTypeInfo ft = cat.getFeatureTypeByDataStore(store, "ivan");
assertNotNull(ft);
SimpleFeatureType schema = (SimpleFeatureType) ft.getFeatureType();
assertTrue(
Date.class.isAssignableFrom(schema.getDescriptor("timestamp").getType().getBinding()));
FeatureIterator it = ft.getFeatureSource(null, null).getFeatures().features();
try {
assertTrue(it.hasNext());
while (it.hasNext()) {
SimpleFeature f = (SimpleFeature) it.next();
assertTrue(f.getAttribute("timestamp") instanceof Date);
}
} finally {
it.close();
}
}
/**
* If this layers has been setup to reproject data, skipReproject = true will disable
* reprojection. This method is build especially for the rendering subsystem that should be able
* to perform a full reprojection on its own, and do generalization before reprojection (thus
* avoid to reproject all of the original coordinates)
*/
public FeatureSource<? extends FeatureType, ? extends Feature> getFeatureSource(
boolean skipReproject) throws IOException {
if (type != TYPE_VECTOR) {
throw new IllegalArgumentException("Layer type is not vector");
}
// ask for enabled() instead of isEnabled() to account for disabled resource/store
if (!layerInfo.enabled()) {
throw new IOException(
"featureType: " + getName() + " does not have a properly configured " + "datastore");
}
FeatureTypeInfo resource = (FeatureTypeInfo) layerInfo.getResource();
if (resource.getStore() == null || resource.getStore().getDataStore(null) == null) {
throw new IOException(
"featureType: " + getName() + " does not have a properly configured " + "datastore");
}
Hints hints = new Hints(ResourcePool.REPROJECT, Boolean.valueOf(!skipReproject));
return resource.getFeatureSource(null, hints);
}
public void testNumberFormatTransform() throws Exception {
Catalog cat = getCatalog();
File dir = unpack("shape/restricted.zip");
SpatialFile file = new SpatialFile(new File(dir, "restricted.shp"));
file.prepare();
ImportContext context = importer.createContext(file, store);
assertEquals(1, context.getTasks().size());
context.setTargetStore(store);
ImportTask task = context.getTasks().get(0);
task.getTransform().add(new NumberFormatTransform("cat", Integer.class));
importer.run(context);
assertEquals(ImportContext.State.COMPLETE, context.getState());
FeatureTypeInfo ft = cat.getFeatureTypeByDataStore(store, "restricted");
assertNotNull(ft);
SimpleFeatureType schema = (SimpleFeatureType) ft.getFeatureType();
assertEquals(Integer.class, schema.getDescriptor("cat").getType().getBinding());
FeatureIterator it = ft.getFeatureSource(null, null).getFeatures().features();
try {
assertTrue(it.hasNext());
while (it.hasNext()) {
SimpleFeature f = (SimpleFeature) it.next();
assertTrue(f.getAttribute("cat") instanceof Integer);
}
} finally {
it.close();
}
}
public MockCatalogBuilder featureType(
final String name,
String srs,
ProjectionPolicy projPolicy,
ReferencedEnvelope envelope,
ReferencedEnvelope latLonEnvelope) {
String ftId = newId();
final DataStoreInfo ds = dataStores.peekLast();
NamespaceInfo ns = namespaces.peekLast();
final FeatureTypeInfo ft = createNiceMock(FeatureTypeInfo.class);
featureTypes.add(ft);
initResource(
ft, FeatureTypeInfo.class, ftId, name, ds, ns, srs, projPolicy, envelope, latLonEnvelope);
expect(ft.getNumDecimals()).andReturn(8);
// setup the property file data
File propDir = new File(dataDirRoot, ds.getName());
propDir.mkdirs();
String fileName = name + ".properties";
try {
IOUtils.copy(getClass().getResourceAsStream(fileName), new File(propDir, fileName));
} catch (IOException e) {
throw new RuntimeException(e);
}
try {
expect(ft.getFeatureType())
.andAnswer(
new IAnswer<FeatureType>() {
@Override
public FeatureType answer() throws Throwable {
return ((DataStore) ds.getDataStore(null)).getSchema(name);
}
})
.anyTimes();
expect(ft.getFeatureSource(null, null))
.andAnswer(
(IAnswer)
new IAnswer<FeatureSource>() {
@Override
public FeatureSource answer() throws Throwable {
return ((DataStore) ds.getDataStore(null)).getFeatureSource(name);
}
})
.anyTimes();
} catch (IOException e) {
}
expect(catalog.getFeatureTypeByName(or(eq(name), eq(ns.getPrefix() + ":" + name))))
.andReturn(ft)
.anyTimes();
expect(
catalog.getFeatureTypeByName(
or(eq(new NameImpl(ns.getPrefix(), name)), eq(new NameImpl(ns.getURI(), name)))))
.andReturn(ft)
.anyTimes();
expect(catalog.getFeatureTypeByName(ns, name)).andReturn(ft).anyTimes();
expect(catalog.getFeatureTypeByName(ns.getPrefix(), name)).andReturn(ft).anyTimes();
// expect(catalog.getFeatureTypeByName(or(eq(ns.getPrefix()), eq(ns.getURI())), name))
// .andReturn(ft).anyTimes();
expect(catalog.getFeatureTypeByStore(ds, name)).andReturn(ft).anyTimes();
expect(catalog.getFeatureTypeByDataStore(ds, name)).andReturn(ft).anyTimes();
ft.accept((CatalogVisitor) anyObject());
expectLastCall()
.andAnswer(
new VisitAnswer() {
@Override
protected void doVisit(CatalogVisitor visitor) {
visitor.visit(ft);
}
})
.anyTimes();
callback.onResource(name, ft, ds, this);
replay(ft, createLayer(ft, name, ns));
return this;
}
@SuppressWarnings("unchecked")
@Test
public void testConcurrentRequests() throws Exception {
FeatureTypeInfo featureType1 = getFeatureTypeInfo(MockData.PRIMITIVEGEOFEATURE);
List<MapLayerInfo> layers1 =
Collections.singletonList(
new MapLayerInfo(getCatalog().getLayerByName(featureType1.prefixedName())));
FeatureCollectionType type1 = WfsFactory.eINSTANCE.createFeatureCollectionType();
type1.getFeature().add(featureType1.getFeatureSource(null, null).getFeatures());
final FeatureTypeInfo featureType2 = getFeatureTypeInfo(MockData.BASIC_POLYGONS);
List<MapLayerInfo> layers2 =
Collections.singletonList(
new MapLayerInfo(getCatalog().getLayerByName(featureType2.prefixedName())));
FeatureCollectionType type2 = WfsFactory.eINSTANCE.createFeatureCollectionType();
type2.getFeature().add(featureType2.getFeatureSource(null, null).getFeatures());
final HTMLFeatureInfoOutputFormat format = new HTMLFeatureInfoOutputFormat(getWMS());
format.templateLoader =
new GeoServerTemplateLoader(getClass(), getDataDirectory()) {
@Override
public Object findTemplateSource(String path) throws IOException {
String templatePath = "empty.ftl";
if (path.toLowerCase().contains("content")
&& (this.resource != null)
&& this.resource.prefixedName().equals(featureType2.prefixedName())) {
templatePath = "test_content.ftl";
}
try {
return new File(this.getClass().getResource(templateFolder + templatePath).toURI());
} catch (URISyntaxException e) {
return null;
}
}
};
int numRequests = 50;
List<Callable<String>> tasks = new ArrayList<>(numRequests);
for (int i = 0; i < numRequests; i++) {
final GetFeatureInfoRequest request = new GetFeatureInfoRequest();
request.setQueryLayers(((i % 2) == 0) ? layers1 : layers2);
final FeatureCollectionType type = (((i % 2) == 0) ? type1 : type2);
tasks.add(
new Callable<String>() {
@Override
public String call() throws Exception {
ByteArrayOutputStream output = new ByteArrayOutputStream();
format.write(type, request, output);
return new String(output.toByteArray());
}
});
}
ExecutorService executor = Executors.newFixedThreadPool(8);
try {
List<Future<String>> futures = executor.invokeAll(tasks);
for (int i = 0; i < numRequests; i++) {
String info = futures.get(i).get();
if ((i % 2) == 0) {
assertEquals("", info);
} else {
assertNotEquals("", info);
}
}
} finally {
executor.shutdown();
}
}
