Example usage for java.util Optional isPresent

Introduction

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

Prototype

public boolean isPresent()

Source Link

Document

If a value is present, returns true , otherwise false .

Usage

From source file:ch.ralscha.extdirectspring.provider.RemoteProviderMetadata.java

@ExtDirectMethod(value = ExtDirectMethodType.STORE_READ, group = "metadata")
public List<Row> method4(@MetadataParam(value = "id") Optional<Integer> id) {
    if (!id.isPresent()) {
        assertThat(id.orElse(null)).isNull();
    } else {//from  ww  w .j  a  v a2 s  . com
        assertThat(id.get()).isEqualTo(Integer.valueOf(13));
    }
    return RemoteProviderStoreRead.createRows(":" + id);
}

From source file:de.sainth.recipe.backend.rest.controller.LogoutController.java

@RequestMapping()
@ResponseStatus(HttpStatus.NO_CONTENT)//from   w  w  w  . ja  v  a 2s  .  c  o  m
void logout(HttpServletRequest request, HttpServletResponse response) {
    if ("/logout".equals(request.getServletPath())) {
        Optional<Cookie> cookie = Arrays.stream(request.getCookies())
                .filter(c -> "recipe_bearer".equals(c.getName())).findFirst();
        if (cookie.isPresent()) {
            Cookie c = cookie.get();
            c.setValue("");
            c.setPath("/");
            c.setMaxAge(0);
            response.addCookie(c);
        }
        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
    }
}

From source file:org.ameba.aop.IntegrationLayerAspect.java

/**
 * Called after an exception is thrown by classes of the integration layer. <p> Set log level to ERROR to log the root cause. </p>
 *
 * @param ex The root exception that is thrown
 * @return Returns the exception to be thrown
 *///from w w  w.j  a v a  2  s.c o  m
public Exception translateException(Exception ex) {
    if (EXC_LOGGER.isErrorEnabled()) {
        EXC_LOGGER.error(ex.getLocalizedMessage(), ex);
    }

    if (ex instanceof BusinessRuntimeException) {
        return ex;
    }

    Optional<Exception> handledException = doTranslateException(ex);
    if (handledException.isPresent()) {
        return handledException.get();
    }
    if (ex instanceof DuplicateKeyException) {
        return new ResourceExistsException();
    }
    if (ex instanceof IntegrationLayerException) {
        return ex;
    }
    return withRootCause ? new IntegrationLayerException(ex.getMessage(), ex)
            : new IntegrationLayerException(ex.getMessage());
}

From source file:com.nike.cerberus.operation.vault.EnableAuditBackendOperation.java

@Override
public void run(final EnableAuditBackendCommand command) {
    logger.info("Getting client for Vault leader.");
    final Optional<VaultAdminClient> client = vaultAdminClientFactory.getClientForLeader();

    if (client.isPresent()) {
        Map<String, String> options = Maps.newHashMap();

        switch (command.getAuditBackend()) {
        case FILE:
            options = getFileOptions(command.getFilePath().toString());
            break;
        case SYSLOG:
            options = getSyslogOptions();
            break;
        }//from  w ww.java  2 s . c  o  m

        final VaultEnableAuditBackendRequest request = new VaultEnableAuditBackendRequest()
                .setType(command.getAuditBackend().getType())
                .setDescription("Cerberus configured audit backend.").setOptions(options);

        logger.info("Enabling the audit backend in Vault.");
        client.get().enableAuditBackend(command.getAuditBackend().getType(), request);
        logger.info("Audit enabled.");
    } else {
        throw new IllegalStateException("Unable to determine Vault leader, aborting...");
    }
}

From source file:me.adaptive.che.infrastructure.vfs.WorkspaceIdLocalFSMountStrategy.java

@Override
public File getMountPath(String workspaceId) throws ServerException {
    checkRoot();//from w  w  w .j a va  2  s  . co  m
    Optional<WorkspaceEntity> optional = workspaceEntityService.findByWorkspaceId(workspaceId);
    if (!optional.isPresent()) {
        throw new ServerException(String.format("Workspace %s does not exist", workspaceId));
    }
    return getMountPath(optional.get());
}

From source file:com.teradata.benchto.driver.execution.ExecutionDriver.java

private void executeHealthCheck(Benchmark benchmark) {
    Optional<List<String>> macros = properties.getHealthCheckMacros();
    if (macros.isPresent()) {
        LOG.info("Running health check macros: {}", macros.get());
        macroService.runBenchmarkMacros(macros.get(), benchmark);
    }/*  w  ww . j av a  2  s.c  om*/
}

From source file:com.teradata.tempto.internal.hadoop.hdfs.HdfsModuleProvider.java

@Override
public Module getModule(Configuration configuration) {
    return new PrivateModule() {
        @Override//w  w w  .  j a  va 2  s  .c o  m
        protected void configure() {
            install(httpRequestsExecutorModule());

            bind(HdfsClient.class).to(WebHdfsClient.class).in(Scopes.SINGLETON);
            bind(RevisionStorage.class).toProvider(RevisionStorageProvider.class).in(Scopes.SINGLETON);
            bind(HdfsDataSourceWriter.class).to(DefaultHdfsDataSourceWriter.class).in(Scopes.SINGLETON);

            expose(HdfsClient.class);
            expose(RevisionStorage.class);
            expose(HdfsDataSourceWriter.class);
        }

        private Module httpRequestsExecutorModule() {
            if (spnegoAuthenticationRequired()) {
                return new SpnegoHttpRequestsExecutor.Module();
            } else {
                return new SimpleHttpRequestsExecutor.Module();
            }
        }

        private boolean spnegoAuthenticationRequired() {
            Optional<String> authentication = configuration.getString("hdfs.webhdfs.authentication");
            return authentication.isPresent() && authentication.get().equalsIgnoreCase(AUTHENTICATION_SPNEGO);
        }

        @Inject
        @Provides
        @Singleton
        CloseableHttpClient createHttpClient() {
            HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
            httpClientBuilder.setRetryHandler(new DefaultHttpRequestRetryHandler(NUMBER_OF_HTTP_RETRIES, true));
            return httpClientBuilder.build();
        }
    };
}

From source file:com.linksinnovation.elearning.controller.api.WishlistController.java

@RequestMapping(method = RequestMethod.POST)
public boolean add(@RequestBody Map<String, Object> params, @AuthenticationPrincipal String username) {
    UserDetails userDetails = userDetailsRepository.findOne(username.toUpperCase());
    Course course = courseRepositroy.findOne(new Long(params.get("id").toString()));
    Optional<Wishlist> optional = wishlistRepository.findByUserAndCourse(userDetails, course);
    Wishlist wishlist;/*from  w  w  w  . j  av  a  2 s. c om*/
    if (optional.isPresent()) {
        wishlistRepository.delete(optional.get());
    } else {
        wishlist = new Wishlist();
        wishlist.setUser(userDetails);
        wishlist.setCourse(course);
        wishlistRepository.save(wishlist);
    }

    return true;
}

From source file:example.springdata.jpa.java8.Java8IntegrationTests.java

@Test
public void invokesDefaultMethod() {

    Customer customer = repository.save(new Customer("Dave", "Matthews"));
    Optional<Customer> result = repository.findByLastname(customer);

    assertThat(result.isPresent(), is(true));
    assertThat(result.get(), is(customer));
}