Example usage for java.util Optional get

Introduction

In this page you can find the example usage for java.util Optional get.

Prototype

public T get() 

Source Link

Document

If a value is present, returns the value, otherwise throws NoSuchElementException .

Usage

From source file:com.netflix.spinnaker.orca.clouddriver.tasks.pipeline.MigratePipelineClustersTask.java

@Override
public TaskResult execute(Stage stage) {

    Map<String, Object> context = stage.getContext();
    Optional<Map<String, Object>> pipelineMatch = getPipeline(context);

    if (!pipelineMatch.isPresent()) {
        return pipelineNotFound(context);
    }/*from   w ww.  ja v  a 2 s.  co  m*/

    List<Map> sources = getSources(pipelineMatch.get());
    List<Map<String, Map>> operations = generateKatoOperation(context, sources);

    TaskId taskId = katoService.requestOperations(getCloudProvider(stage), operations).toBlocking().first();
    Map<String, Object> outputs = new HashMap<>();
    outputs.put("notification.type", "migratepipelineclusters");
    outputs.put("kato.last.task.id", taskId);
    outputs.put("source.pipeline", pipelineMatch.get());
    return new DefaultTaskResult(ExecutionStatus.SUCCEEDED, outputs);
}

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From source file:io.syndesis.rest.v1.handler.integration.IntegrationHandler.java

@Override
public Integration get(String id) {
    Integration integration = Getter.super.get(id);

    if (Status.Deleted.equals(integration.getCurrentStatus().get())
            || Status.Deleted.equals(integration.getDesiredStatus().get())) {
        //Not sure if we need to do that for both current and desired status,
        //but If we don't do include the desired state, IntegrationITCase is not going to pass anytime soon. Why?
        //Cause that test, is using NoopHandlerProvider, so that means no controllers.
        throw new EntityNotFoundException(
                String.format("Integration %s has been deleted", integration.getId()));
    }// w w w  . j a v  a  2  s .  c o m

    //fudging the timesUsed for now
    Optional<Status> currentStatus = integration.getCurrentStatus();
    if (currentStatus.isPresent() && currentStatus.get() == Integration.Status.Activated) {
        return new Integration.Builder().createFrom(integration)
                .timesUsed(BigInteger.valueOf(new Date().getTime() / 1000000)).build();
    }

    return integration;
}

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From source file:com.cybernostics.jsp2thymeleaf.api.elements.CopyElementConverter.java

@Override
public List<Content> process(JSPParser.JspElementContext node, JSPElementNodeConverter context) {
    Optional<Element> maybeElement = createElement(node, context);
    if (maybeElement.isPresent()) {
        Element element = maybeElement.get();
        element.removeNamespaceDeclaration(XMLNS);
        element.addContent(getNewChildContent(node, context));
        addAttributes(element, node, context);
        return Stream.concat(Stream.of(element), getNewAppendedContent(node, context).stream())
                .collect(toList());/*from   www  . ja  v  a2 s.  c  o  m*/
    }

    return EMPTY_LIST;
}

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From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.op.artifact.KubernetesCleanupArtifactsOperation.java

private List<Artifact> artifactsToDelete(KubernetesManifest manifest) {
    KubernetesManifestStrategy strategy = KubernetesManifestAnnotater.getStrategy(manifest);
    if (strategy.getMaxVersionHistory() == null) {
        return new ArrayList<>();
    }// w w  w  .  j a va  2s  . c  o m

    int maxVersionHistory = strategy.getMaxVersionHistory();
    Optional<Artifact> optional = KubernetesManifestAnnotater.getArtifact(manifest);
    if (!optional.isPresent()) {
        return new ArrayList<>();
    }

    Artifact artifact = optional.get();

    List<Artifact> artifacts = artifactProvider
            .getArtifacts(artifact.getType(), artifact.getName(), artifact.getLocation()).stream()
            .filter(a -> a.getMetadata() != null && accountName.equals(a.getMetadata().get("account")))
            .collect(Collectors.toList());

    if (maxVersionHistory >= artifacts.size()) {
        return new ArrayList<>();
    } else {
        return artifacts.subList(0, artifacts.size() - maxVersionHistory);
    }
}

---

From source file:org.obiba.mica.search.aggregations.TaxonomyAggregationMetaDataProvider.java

private Map<String, LocalizedMetaData> getAllLocalizedMetadata(String aggregation) {
    Optional<Vocabulary> vocabulary = getVocabulary(aggregation);

    if (vocabulary.isPresent()) {
        Map<String, LocalizedMetaData> r = Maps.newHashMap();

        for (Term t : vocabulary.get().getTerms()) {
            LocalizedString title = new LocalizedString();
            title.putAll(t.getTitle());/*from w ww  . j  a v a2 s.com*/
            LocalizedString description = new LocalizedString();
            description.putAll(t.getDescription());
            String className = t.getAttributeValue("className");
            if (Strings.isNullOrEmpty(className)) {
                className = t.getClass().getSimpleName();
            }
            if (!r.containsKey(t.getName())) {
                r.put(t.getName(), new LocalizedMetaData(title, description, className));
            }
        }

        return r;
    }

    return null;
}

---

From source file:org.ow2.proactive.connector.iaas.cloud.provider.vmware.VMWareProviderVirtualMachineUtil.java

public Optional<Folder> searchVMFolderFromVMName(String name, Folder rootFolder) {
    ManagedEntity vmFolder = null;/*from w  ww  .j  av  a  2  s . com*/
    Optional<VirtualMachine> vm = searchVirtualMachineByName(name, rootFolder);
    if (vm.isPresent()) {
        ManagedEntity current = vm.get().getParent();
        while (current != null && !(current instanceof Folder)) {
            current = current.getParent();
        }
        vmFolder = current;
    }
    return Optional.ofNullable((Folder) vmFolder);
}

---

From source file:me.dags.creativeblock.blockpack.FolderBlockPack.java

@Override
public List<BlockDefinition> getDefinitions() {
    List<BlockDefinition> definitions = new ArrayList<>();
    final File definitionsDir = FileUtil.getDir(this.getSource(), "assets", creativeBlock.domain(),
            "definitions");
    final File texturesDir = FileUtil.getDir(this.getSource(), "assets", creativeBlock.domain(), "textures",
            "blocks");

    Iterator<File> defIterator = FileUtils.iterateFilesAndDirs(definitionsDir, definitionsFilter(),
            TrueFileFilter.INSTANCE);/*from  w ww. j  a v  a  2s  .c o  m*/
    while (defIterator.hasNext()) {
        File file = defIterator.next();
        Optional<DefinitionSerializable> optional = JsonUtil.deserialize(file, DefinitionSerializable.class);
        if (optional.isPresent()) {
            DefinitionSerializable jsonDefinition = optional.get();
            jsonDefinition.tabId = getTabName(definitionsDir, file);
            BlockDefinition definition = BlockDefinition.from(optional.get());
            definitions.add(definition);
        }
    }
    return definitions;
}

---

From source file:it.polimi.diceH2020.launcher.controller.FilesController.java

@RequestMapping(value = "/upload", method = RequestMethod.POST)
public String multipleSave(@RequestParam("file[]") MultipartFile[] files,
        @RequestParam("scenario") String useCase, Model model, RedirectAttributes redirectAttrs) {
    boolean singleInputData = false;
    Scenarios scenario = Scenarios.valueOf(useCase);
    ArrayList<String> tmpValues = new ArrayList<>();

    redirectAttrs.addAttribute("scenario", scenario);
    model.addAttribute("scenario", scenario);

    if (files == null || files.length == 0) {
        model.addAttribute("message", "Wrong files!");
        return "launchSimulation_FileUpload";
    }/*from   w ww .  ja  v a2  s  . co  m*/

    if (hasDuplicate(
            Arrays.stream(files).map(MultipartFile::getOriginalFilename).collect(Collectors.toList()))) {
        model.addAttribute("message", "Duplicated files!");
        return "launchSimulation_FileUpload";
    }

    for (int i = 0; i < files.length; i++) {
        String fileName = files[i].getOriginalFilename()
                .substring(files[i].getOriginalFilename().lastIndexOf("/") + 1);
        File f = saveFile(files[i], fileName);
        if (f == null)
            return "error";
        if (fileName.contains(".json")) {
            Optional<InstanceDataMultiProvider> idmp = validator.readInstanceDataMultiProvider(f.toPath());
            if (idmp.isPresent()) {
                if (idmp.get().validate()) {
                    redirectAttrs.addAttribute("instanceDataMultiProvider", f.toPath().toString());
                    continue;
                } else {
                    model.addAttribute("message", idmp.get().getValidationError());
                    return "launchSimulation_FileUpload";
                }
            }
            model.addAttribute("message", "You have submitted an invalid json!");
            return "launchSimulation_FileUpload";
        } else {
            if (fileName.contains(".txt")) {
                tmpValues.add(f.toPath().toString());
            }
        }
    }

    redirectAttrs.addAttribute("pathList", tmpValues);
    if (singleInputData)
        return "redirect:/launch/simulationSetupSingleInputData";
    return "redirect:/launch/simulationSetup";
}

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From source file:org.openmhealth.shim.googlefit.mapper.GoogleFitDataPointMapper.java

/**
 * Maps a JSON response from the Google Fit API containing a JSON array of data points to a list of {@link
 * DataPoint} objects of the appropriate measure type. Splits individual nodes based on the name of the list node,
 * "point," and then iteratively maps the nodes in the list.
 *
 * @param responseNodes the response body from a Google Fit endpoint, contained in a list of a single JSON node
 * @return a list of DataPoint objects of type T with the appropriate values mapped from the input JSON; because
 * these JSON objects are contained within an array in the input response, each object in that JSON array will map
 * to an item in the returned list//ww  w . j  a  va 2s. c o m
 */
public List<DataPoint<T>> asDataPoints(List<JsonNode> responseNodes) {

    checkNotNull(responseNodes);
    checkArgument(responseNodes.size() == 1, "Only one response should be input to the mapper");

    List<DataPoint<T>> dataPoints = Lists.newArrayList();
    Optional<JsonNode> listNodes = asOptionalNode(responseNodes.get(0), getListNodeName());
    if (listNodes.isPresent()) {
        for (JsonNode listNode : listNodes.get()) {
            asDataPoint(listNode).ifPresent(dataPoints::add);
        }
    }

    return dataPoints;

}

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From source file:com.github.horrorho.inflatabledonkey.chunk.store.disk.DiskChunkStoreTest.java

@Ignore
@Test/*from w  w w .  j a  v  a  2s .  c  o m*/
@Parameters
public void test(byte[] data) throws IOException {
    Supplier<Digest> digests = SHA1Digest::new;
    DiskChunkStore store = new DiskChunkStore(digests, ChunkDigests::test, CACHE, TEMP);

    byte[] checksum = digest(digests, data);
    Optional<OutputStream> chunkOutputStream = store.outputStream(checksum);
    assertTrue("OutputStream present", chunkOutputStream.isPresent());

    try (OutputStream os = chunkOutputStream.get()) {
        os.write(data);
    }
    Optional<Chunk> chunkData = store.chunk(checksum);
    assertTrue("Chunk present", chunkData.isPresent());

    Chunk chunk = chunkData.get();
    assertArrayEquals("checksum match", checksum, chunk.checksum());

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (InputStream is = chunk.inputStream().orElseThrow(() -> new IllegalStateException("chunk deleted"))) {
        IOUtils.copy(is, baos);
    }
    assertArrayEquals("data match", data, baos.toByteArray());

    Optional<OutputStream> duplicateOutputStream = store.outputStream(checksum);
    assertFalse("duplicate OutputStream not present", duplicateOutputStream.isPresent());

    boolean isDeleted = store.delete(checksum);
    assertTrue("was deleted", isDeleted);

    Optional<Chunk> deleted = store.chunk(checksum);
    assertFalse(deleted.isPresent());

    assertFalse("temp folder is empty", Files.list(TEMP).findFirst().isPresent());
}

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