Example usage for java.util Optional map

Introduction

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

Prototype

public <U> Optional<U> map(Function<? super T, ? extends U> mapper)

Source Link

Document

If a value is present, returns an Optional describing (as if by #ofNullable ) the result of applying the given mapping function to the value, otherwise returns an empty Optional .

Usage

From source file:org.cyclop.service.common.CookieStorage.java

public @Valid <T> Optional<T> readCookieAsJson(@NotNull CookieName cookieName, @NotNull Class<T> clazz) {
    try {//www.j a v  a2 s .co  m
        Optional<Cookie> cookie = readCookie(cookieName);
        Optional<String> cookieValue = cookie.map(c -> StringUtils.trimToNull(c.getValue()));
        if (!cookieValue.isPresent()) {
            return Optional.empty();
        }
        T obj = marshaller.unmarshal(clazz, cookieValue.get());
        return Optional.of(obj);
    } catch (Exception e) {
        LOG.warn("Error reading cookie {}, Reason: {}", cookieName, e.getMessage());
        LOG.debug(e.getMessage(), e);
        return Optional.empty();
    }
}

From source file:org.flowable.engine.impl.dynamic.AbstractDynamicStateManager.java

protected void prepareMoveExecutionEntityContainer(MoveExecutionEntityContainer moveExecutionContainer,
        Optional<String> migrateToProcessDefinitionId, CommandContext commandContext) {
    ExpressionManager expressionManager = CommandContextUtil.getProcessEngineConfiguration(commandContext)
            .getExpressionManager();/* w  w  w . ja v  a 2s.c  o m*/

    Optional<BpmnModel> bpmnModelToMigrateTo = migrateToProcessDefinitionId
            .map(ProcessDefinitionUtil::getBpmnModel);
    boolean canContainerDirectMigrate = (moveExecutionContainer.getMoveToActivityIds().size() == 1)
            && (moveExecutionContainer.getExecutions().size() == 1);
    for (String activityId : moveExecutionContainer.getMoveToActivityIds()) {
        FlowElement currentFlowElement;
        FlowElement newFlowElement;
        String currentActivityId;
        if (moveExecutionContainer.isMoveToParentProcess()) {
            String parentProcessDefinitionId = moveExecutionContainer.getSuperExecution()
                    .getProcessDefinitionId();
            BpmnModel bpmnModel = ProcessDefinitionUtil.getBpmnModel(parentProcessDefinitionId);
            BpmnModel modelOfCallActivity = ProcessDefinitionUtil
                    .getBpmnModel(moveExecutionContainer.getExecutions().get(0).getProcessDefinitionId());
            currentActivityId = moveExecutionContainer.getExecutions().get(0).getCurrentActivityId();
            currentFlowElement = resolveFlowElementFromBpmnModel(modelOfCallActivity, currentActivityId);
            newFlowElement = resolveFlowElementFromBpmnModel(bpmnModelToMigrateTo.orElse(bpmnModel),
                    activityId);
            canContainerDirectMigrate = false;
        } else if (moveExecutionContainer.isMoveToSubProcessInstance()) {
            //The subProcess model is defined in the callActivity of the current processDefinition or the migrateProcessDefinition if defined
            ExecutionEntity firstExecution = moveExecutionContainer.getExecutions().get(0);
            BpmnModel bpmnModel = ProcessDefinitionUtil.getBpmnModel(firstExecution.getProcessDefinitionId());
            currentActivityId = firstExecution.getCurrentActivityId();
            currentFlowElement = resolveFlowElementFromBpmnModel(bpmnModel, currentActivityId);

            String processDefinitionIdOfCallActivity = migrateToProcessDefinitionId
                    .orElse(firstExecution.getProcessDefinitionId());
            CallActivity callActivity = (CallActivity) resolveFlowElementFromBpmnModel(
                    bpmnModelToMigrateTo.orElse(bpmnModel), moveExecutionContainer.getCallActivityId());

            moveExecutionContainer.setCallActivity(callActivity);
            ProcessDefinition callActivityProcessDefinition = ProcessDefinitionUtil
                    .getProcessDefinition(processDefinitionIdOfCallActivity);
            String tenantId = callActivityProcessDefinition.getTenantId();
            Integer calledProcessVersion = moveExecutionContainer.getCallActivitySubProcessVersion();
            String calledProcessDefKey = callActivity.getCalledElement();
            if (isExpression(calledProcessDefKey)) {
                try {
                    calledProcessDefKey = expressionManager.createExpression(calledProcessDefKey)
                            .getValue(firstExecution.getProcessInstance()).toString();
                } catch (FlowableException e) {
                    throw new FlowableException("Cannot resolve calledElement expression '"
                            + calledProcessDefKey + "' of callActivity '" + callActivity.getId() + "'", e);
                }
            }
            moveExecutionContainer.setSubProcessDefKey(calledProcessDefKey);
            ProcessDefinition subProcessDefinition = resolveProcessDefinition(calledProcessDefKey,
                    calledProcessVersion, tenantId, commandContext);
            BpmnModel subProcessModel = ProcessDefinitionUtil.getBpmnModel(subProcessDefinition.getId());
            moveExecutionContainer.setSubProcessDefinition(subProcessDefinition);
            moveExecutionContainer.setSubProcessModel(subProcessModel);

            newFlowElement = resolveFlowElementFromBpmnModel(subProcessModel, activityId);
            canContainerDirectMigrate = false;
        } else {
            // Get first execution to get process definition id
            ExecutionEntity firstExecution = moveExecutionContainer.getExecutions().get(0);
            BpmnModel bpmnModel = ProcessDefinitionUtil.getBpmnModel(firstExecution.getProcessDefinitionId());
            currentActivityId = firstExecution.getCurrentActivityId();
            currentFlowElement = resolveFlowElementFromBpmnModel(bpmnModel, currentActivityId);
            newFlowElement = resolveFlowElementFromBpmnModel(bpmnModelToMigrateTo.orElse(bpmnModel),
                    activityId);
        }

        moveExecutionContainer.addMoveToFlowElement(activityId, currentFlowElement, newFlowElement);
        canContainerDirectMigrate = canContainerDirectMigrate
                && isDirectFlowElementExecutionMigration(currentFlowElement, newFlowElement);
    }

    moveExecutionContainer
            .setDirectExecutionMigration(canContainerDirectMigrate && migrateToProcessDefinitionId.isPresent());
}

From source file:org.geoserver.qos.QosMainConfigurationValidator.java

public void validateRepresentativeOperation(QosRepresentativeOperation repOp) {
    Optional<QosRepresentativeOperation> ro = Optional.ofNullable(repOp);
    // Validate internal Statements
    ro.map(QosRepresentativeOperation::getQualityOfServiceStatements).map(List::stream)
            .ifPresent(s -> s.forEach(st -> valid(st)));
}

From source file:org.geowebcache.diskquota.storage.TilePageCalculator.java

private Collection<String> getGridSubsetNames(Optional<Collection<GridSubset>> gridSubsets,
        TileLayer tileLayer) {/*from   www  .  j  a  va 2 s  .com*/
    return gridSubsets.map(Collection::stream).map(stream -> stream.map(GridSubset::getName))
            .map(stream -> stream.collect(Collectors.toSet())).orElseGet(() -> tileLayer.getGridSubsets());
}

From source file:org.geowebcache.diskquota.storage.TilePageCalculator.java

private Collection<String> getFormatNames(Optional<Collection<MimeType>> mimeTypes, TileLayer tileLayer) {
    return mimeTypes.map(Collection::stream).orElseGet(() -> tileLayer.getMimeTypes().stream())
            .map(MimeType::getFormat).collect(Collectors.toList());
}

From source file:org.haiku.haikudepotserver.api1.PkgJobApiImpl.java

@Override
public QueuePkgCategoryCoverageImportSpreadsheetJobResult queuePkgCategoryCoverageImportSpreadsheetJob(
        QueuePkgCategoryCoverageImportSpreadsheetJobRequest request) throws ObjectNotFoundException {
    Preconditions.checkArgument(null != request, "the request must be supplied");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(request.inputDataGuid),
            "the input data must be identified by guid");

    final ObjectContext context = serverRuntime.newContext();

    Optional<User> user = tryObtainAuthenticatedUser(context);

    if (!authorizationService.check(context, user.orElse(null), null,
            Permission.BULK_PKGCATEGORYCOVERAGEIMPORTSPREADSHEET)) {
        LOGGER.warn("attempt to import package categories, but was not authorized");
        throw new AuthorizationFailureException();
    }//from  w w  w  . ja v a 2 s  . c  o m

    // now check that the data is present.

    jobService.tryGetData(request.inputDataGuid).orElseThrow(
            () -> new ObjectNotFoundException(JobData.class.getSimpleName(), request.inputDataGuid));

    // setup and go

    PkgCategoryCoverageImportSpreadsheetJobSpecification spec = new PkgCategoryCoverageImportSpreadsheetJobSpecification();
    spec.setOwnerUserNickname(user.map(_User::getNickname).orElse(null));
    spec.setInputDataGuid(request.inputDataGuid);

    return new QueuePkgCategoryCoverageImportSpreadsheetJobResult(
            jobService.submit(spec, JobSnapshot.COALESCE_STATUSES_NONE));
}

From source file:org.haiku.haikudepotserver.api1.PkgJobApiImpl.java

@Override
public QueuePkgIconArchiveImportJobResult queuePkgIconArchiveImportJob(
        QueuePkgIconArchiveImportJobRequest request) throws ObjectNotFoundException {

    Preconditions.checkArgument(null != request, "the request must be supplied");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(request.inputDataGuid),
            "the input data must be identified by guid");

    final ObjectContext context = serverRuntime.newContext();

    Optional<User> user = tryObtainAuthenticatedUser(context);

    if (!authorizationService.check(context, user.orElse(null), null, Permission.BULK_PKGICONIMPORTARCHIVE)) {
        LOGGER.warn("attempt to import package icons, but was not authorized");
        throw new AuthorizationFailureException();
    }//from   w w w .  j a  va 2s. c  om

    // now check that the data is present.

    jobService.tryGetData(request.inputDataGuid).orElseThrow(
            () -> new ObjectNotFoundException(JobData.class.getSimpleName(), request.inputDataGuid));

    // setup and go

    PkgIconImportArchiveJobSpecification spec = new PkgIconImportArchiveJobSpecification();
    spec.setOwnerUserNickname(user.map(_User::getNickname).orElse(null));
    spec.setInputDataGuid(request.inputDataGuid);

    return new QueuePkgIconArchiveImportJobResult(jobService.submit(spec, JobSnapshot.COALESCE_STATUSES_NONE));
}

From source file:org.haiku.haikudepotserver.api1.PkgJobApiImpl.java

@Override
public QueuePkgScreenshotArchiveImportJobResult queuePkgScreenshotArchiveImportJob(
        QueuePkgScreenshotArchiveImportJobRequest request) throws ObjectNotFoundException {
    Preconditions.checkArgument(null != request, "the request must be supplied");
    Preconditions.checkArgument(StringUtils.isNotBlank(request.inputDataGuid),
            "the data guid must be supplied");
    Preconditions.checkArgument(null != request.importStrategy, "the import strategy must be supplied");

    final ObjectContext context = serverRuntime.newContext();

    Optional<User> user = tryObtainAuthenticatedUser(context);

    if (!authorizationService.check(context, user.orElse(null), null,
            Permission.BULK_PKGSCREENSHOTIMPORTARCHIVE)) {
        LOGGER.warn("attempt to import package screenshots, but was not authorized");
        throw new AuthorizationFailureException();
    }/*from   www .  j a v  a 2s.co m*/

    // now check that the data is present.

    jobService.tryGetData(request.inputDataGuid).orElseThrow(
            () -> new ObjectNotFoundException(JobData.class.getSimpleName(), request.inputDataGuid));

    // setup and go

    PkgScreenshotImportArchiveJobSpecification spec = new PkgScreenshotImportArchiveJobSpecification();
    spec.setOwnerUserNickname(user.map(_User::getNickname).orElse(null));
    spec.setInputDataGuid(request.inputDataGuid);
    spec.setImportStrategy(
            PkgScreenshotImportArchiveJobSpecification.ImportStrategy.valueOf(request.importStrategy.name()));

    return new QueuePkgScreenshotArchiveImportJobResult(
            jobService.submit(spec, JobSnapshot.COALESCE_STATUSES_NONE));
}

From source file:org.jbb.board.impl.forum.DefaultForumCategoryService.java

private Integer getLastCategoryPosition() {
    Optional<ForumCategoryEntity> lastCategory = categoryRepository.findTopByOrderByPositionDesc();
    return lastCategory.map(ForumCategoryEntity::getPosition).orElse(0);
}

From source file:org.jbb.board.impl.forum.DefaultForumService.java

private Integer getLastForumPosition(ForumCategoryEntity categoryEntity) {
    Optional<ForumEntity> lastForum = forumRepository.findTopByCategoryOrderByPositionDesc(categoryEntity);
    return lastForum.map(ForumEntity::getPosition).orElse(0);
}