Example usage for java.util Objects isNull

Introduction

In this page you can find the example usage for java.util Objects isNull.

Prototype

public static boolean isNull(Object obj) 

Source Link

Document

Returns true if the provided reference is null otherwise returns false .

Usage

From source file:com.epam.dlab.backendapi.dao.ComputationalDAO.java

/**
 * Checks if computational resource exists.
 *
 * @param user              user name./*from   www .  j  av a2 s .  c o m*/
 * @param exploratoryName   the name of exploratory.
 * @param computationalName the name of computational resource.
 */
public boolean isComputationalExist(String user, String exploratoryName, String computationalName) {
    return !Objects.isNull(fetchComputationalFields(user, exploratoryName, computationalName));
}

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From source file:org.kitodo.production.forms.IndexingForm.java

private SearchService getService(ObjectType objectType) {
    if (!searchServices.containsKey(objectType) || Objects.isNull(searchServices.get(objectType))) {
        switch (objectType) {
        case BATCH:
            searchServices.put(objectType, ServiceManager.getBatchService());
            break;
        case DOCKET:
            searchServices.put(objectType, ServiceManager.getDocketService());
            break;
        case PROCESS:
            searchServices.put(objectType, ServiceManager.getProcessService());
            break;
        case PROJECT:
            searchServices.put(objectType, ServiceManager.getProjectService());
            break;
        case PROPERTY:
            searchServices.put(objectType, ServiceManager.getPropertyService());
            break;
        case RULESET:
            searchServices.put(objectType, ServiceManager.getRulesetService());
            break;
        case TASK:
            searchServices.put(objectType, ServiceManager.getTaskService());
            break;
        case TEMPLATE:
            searchServices.put(objectType, ServiceManager.getTemplateService());
            break;
        case WORKFLOW:
            searchServices.put(objectType, ServiceManager.getWorkflowService());
            break;
        case FILTER:
            searchServices.put(objectType, ServiceManager.getFilterService());
            break;
        default:/* w  w w.ja va2s . com*/
            return null;
        }
    }
    return searchServices.get(objectType);
}

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From source file:org.cloudfoundry.identity.client.UaaContextFactory.java

/**
 * Sets the requested scopes on the resource details, if and only if the requested scopes are not null
 * @param tokenRequest the token request containing the requested scopes, if any
 * @param details the details object that will be configured
 *///from  ww w  .j a v  a 2 s  . co m
protected void setRequestScopes(TokenRequest tokenRequest, BaseOAuth2ProtectedResourceDetails details) {
    if (!Objects.isNull(tokenRequest.getScopes())) {
        details.setScope(new LinkedList(tokenRequest.getScopes()));
    }
}

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From source file:org.openecomp.sdc.validation.impl.util.ResourceValidationHeatValidator.java

private static void initVisitedPortsMap(String filename, Map<String, Resource> resourceMap,
        Map<String, Integer> numberOfVisitsInPort, GlobalValidationContext globalContext) {
    for (Map.Entry<String, Resource> resourceEntry : resourceMap.entrySet()) {
        String resourceType = resourceEntry.getValue().getType();

        if (Objects.isNull(resourceType)) {
            globalContext.addMessage(filename, ErrorLevel.WARNING,
                    ErrorMessagesFormatBuilder.getErrorWithParameters(
                            Messages.INVALID_RESOURCE_TYPE.getErrorMessage(), "null", resourceEntry.getKey()));
        } else {//from  ww  w.j av  a2  s . c om
            if (resourceType.equals(HeatResourcesTypes.NEUTRON_PORT_RESOURCE_TYPE.getHeatResource())) {
                numberOfVisitsInPort.put(resourceEntry.getKey(), 0);
            }
        }
    }
}

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From source file:com.mac.holdempoker.app.impl.util.HandMatrix.java

@Override
public int compare(Card o1, Card o2) {
    if (Objects.nonNull(o1) && Objects.nonNull(o2)) {
        return o1.compareTo(o2);
    } else if (Objects.isNull(o1)) {
        return 1;
    } else {/* w w w .  ja v a2  s. c o m*/
        return -1;
    }
}

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From source file:org.kitodo.production.services.command.KitodoScriptService.java

private boolean isActionParameterInvalid(String parameter) {
    if (Objects.isNull(this.parameters.get(parameter)) || Objects.equals(this.parameters.get(parameter), "")) {
        Helper.setErrorMessage(KITODO_SCRIPT_FIELD, "missing parameter: ", parameter);
        return true;
    }/*from w w  w .  j a  v a 2 s  . c o m*/
    return false;
}

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From source file:org.kitodo.production.services.data.TaskService.java

/**
 * Performs creating images when this happens automatically in a task.
 *
 * @param executingThread/* w ww  .j  av a 2 s  .c o m*/
 *            Executing thread (displayed in the taskmanager)
 * @param task
 *            Task that generates images
 * @param automatic
 *            Whether it is an automatic task
 * @throws DataException
 *             if the task cannot be saved
 */
public void generateImages(EmptyTask executingThread, Task task, boolean automatic) throws DataException {
    try {
        Process process = task.getProcess();
        Subfolder sourceFolder = new Subfolder(process, process.getProject().getGeneratorSource());
        List<Subfolder> foldersToGenerate = SubfolderFactoryService.createAll(process,
                task.getContentFolders());
        ImageGenerator generator = new ImageGenerator(sourceFolder, GenerationMode.ALL, foldersToGenerate);
        generator.setSupervisor(executingThread);
        generator.run();
        finishOrReturnAutomaticTask(task, automatic, Objects.isNull(executingThread.getException()));
    } catch (IOException e) {
        Helper.setErrorMessage(e.getLocalizedMessage(), logger, e);
    }
}

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From source file:it.greenvulcano.gvesb.api.controller.GvConfigurationControllerRest.java

@GET
@Path("/deploy/xml/{name}")
@Produces(MediaType.APPLICATION_XML)/*from   ww  w .  j  a va  2  s . co  m*/
@RolesAllowed({ Authority.ADMINISTRATOR, Authority.MANAGER })
public Document getConfigurationFile(@PathParam("name") String name) {

    Document document = null;

    try {
        document = XMLConfig.getDocument(name);
    } catch (XMLConfigException e) {
        if (e.getCause() instanceof FileNotFoundException) {
            throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND)
                    .entity("<error><![CDATA[File not found: " + name + "]]></error>").build());
        }

        LOG.error("Failed to retrieve configuration file " + name, e);
        throw new WebApplicationException(Response.status(Response.Status.SERVICE_UNAVAILABLE)
                .entity("<error><![CDATA[" + e.getMessage() + "]]></error>").build());
    }

    if (Objects.isNull(document))
        throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND)
                .entity("<error><![CDATA[File not found: " + name + "]]></error>").build());

    return document;

}

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From source file:org.kitodo.services.data.LdapServerService.java

private BasicAttribute proceedPassword(String identifier, String newPassword, JDKMessageDigest.MD4 digester) {
    try {//from   w  w  w  . j  a v a2  s.  co m
        byte[] hash;
        if (Objects.isNull(digester)) {
            hash = LdapUser.lmHash(newPassword);
        } else {
            hash = digester.digest(newPassword.getBytes("UnicodeLittleUnmarked"));
        }
        return new BasicAttribute(identifier, LdapUser.toHexString(hash));
        // TODO: Don't catch super class exception, make sure that
        // the password isn't logged here
    } catch (InvalidKeyException | UnsupportedEncodingException | NoSuchAlgorithmException
            | NoSuchPaddingException | IllegalBlockSizeException | BadPaddingException | RuntimeException e) {
        logger.error(e.getMessage(), e);
        return null;
    }
}

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From source file:org.kitodo.production.services.data.LdapServerService.java

private BasicAttribute proceedPassword(String identifier, String newPassword, JDKMessageDigest.MD4 digester) {
    try {/*ww  w.java2s  .  c  om*/
        byte[] hash;
        if (Objects.isNull(digester)) {
            hash = LdapUser.lmHash(newPassword);
        } else {
            hash = digester.digest(newPassword.getBytes(StandardCharsets.UTF_16LE));
        }
        return new BasicAttribute(identifier, LdapUser.toHexString(hash));
        // TODO: Don't catch super class exception, make sure that
        // the password isn't logged here
    } catch (InvalidKeyException | NoSuchAlgorithmException | NoSuchPaddingException | IllegalBlockSizeException
            | BadPaddingException | RuntimeException e) {
        logger.error(e.getMessage(), e);
        return null;
    }
}

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