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:org.esa.s3tbx.olci.radiometry.rayleigh.RayleighAux.java

public double[] getAirMass() {
    if (Objects.isNull(airMass)) {
        airMass = SmileCorrectionUtils.getAirMass(this.getCosOZARads(), this.getCosSZARads());
    }//  w  w w  .j a va  2 s .  co m
    return airMass;
}

From source file:org.kitodo.production.helper.VariableReplacer.java

private String getResultAccordingToMetadataLevel(MetadataLevel metadataLevel, String metadata,
        String resultFirst, String resultTop) {
    String result = "";
    switch (metadataLevel) {
    case FIRSTCHILD:
        // without existing FirstChild, this can not be returned
        if (Objects.isNull(resultFirst)) {
            logger.info("Can not replace firstChild-variable for METS: {}", metadata);
        } else {//from   www  . j  a  v  a  2 s  .  c o  m
            result = resultFirst;
        }
        break;
    case TOPSTRUCT:
        if (Objects.isNull(resultTop)) {
            logger.warn("Can not replace topStruct-variable for METS: {}", metadata);
        } else {
            result = resultTop;
        }
        break;
    case ALL:
        if (Objects.nonNull(resultFirst)) {
            result = resultFirst;
        } else if (Objects.nonNull(resultTop)) {
            result = resultTop;
        } else {
            logger.warn("Can not replace variable for METS: {}", metadata);
        }
        break;
    default:
        break;
    }
    return result;
}

From source file:org.esa.s3tbx.olci.radiometry.rayleigh.RayleighAux.java

public double[] getAziDifferent() {
    if (Objects.isNull(aziDiff)) {
        aziDiff = SmileCorrectionUtils.getAziDiff(this.getSunAzimuthAnglesRad(),
                this.getViewAzimuthAnglesRad());
    }/*from   w w  w . j  a  va  2s  .c o m*/
    return aziDiff;
}

From source file:org.dbflute.intro.app.web.client.ClientAction.java

private ProjectInfra prepareProjectInfra(String projectName, ClientPart clientBody) {
    if (Objects.isNull(clientBody.jdbcDriver)) {
        return new ProjectInfra(projectName, clientBody.dbfluteVersion);
    }//from   w  w  w .  ja  v a 2s.  c  o  m
    ExtlibFile extlibFile = clientPhysicalLogic.createExtlibFile(projectName, clientBody.jdbcDriver.fileName,
            clientBody.jdbcDriver.data);
    return new ProjectInfra(projectName, clientBody.dbfluteVersion, extlibFile);
}

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

/**
 * Updates the scheduler's data for exploratory in Mongo database.
 *
 * @param user             user./*www. j a  v  a 2 s  .c  o m*/
 * @param exploratoryName  name of exploratory.
 * @param dto              object of scheduler data.
 * @return The result of an update operation.
 */
public UpdateResult updateSchedulerDataForUserAndExploratory(String user, String exploratoryName,
        SchedulerJobDTO dto) {
    return updateOne(USER_INSTANCES, exploratoryCondition(user, exploratoryName),
            set(SCHEDULER_DATA, Objects.isNull(dto) ? null : convertToBson(dto)));
}

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

/**
 * The function pluginAvailableFor(catalogue) verifies that a plugin
 * suitable for accessing the library catalogue identified by the given
 * String is available in the global variable importCatalogue. If
 * importCatalogue is empty or the current plugin doesnt support the given
 * catalogue, the function will try to load a suitable plugin. Upon success
 * the preferences and the catalogue to use will be configured in the
 * plugin, otherwise an error message will be set to be shown.
 *
 * @param catalogue//from   ww  w  .j ava2  s. c o  m
 *            identifier string for the catalogue that the plugin shall
 *            support
 * @return whether a plugin is available in the global variable
 *         importCatalogue
 */
private boolean pluginAvailableFor(String catalogue) {
    if (Objects.isNull(importCatalogue) || !importCatalogue.supportsCatalogue(catalogue)) {
        importCatalogue = PluginLoader.getCataloguePluginForCatalogue(catalogue);
    }
    if (Objects.isNull(importCatalogue)) {
        Helper.setErrorMessage("NoCataloguePluginForCatalogue", catalogue);
        return false;
    } else {
        importCatalogue
                .setPreferences(ServiceManager.getRulesetService().getPreferences(prozessKopie.getRuleset()));
        importCatalogue.useCatalogue(catalogue);
        return true;
    }
}

From source file:org.geowebcache.sqlite.FileManager.java

/**
 * Helper method that will walk recursively the directory hierarchy based on
 * the provided path parts./*from   w w  w  . j  av  a 2  s . c  o  m*/
 */
private static List<File> walkFileTreeWithRegex(File path, int level, String[] pathParts) {
    // filter the current directory files that match the current path part
    File[] files = path.listFiles((directory, name) -> {
        String pathPart = pathParts[level];
        // if need the current path will be interpreted as a regex (.*?)
        return pathPart.equals(name) || name.matches(pathPart);
    });
    if (Objects.isNull(files)) {
        return Collections.emptyList();
    }
    if (level != pathParts.length - 1) {
        // let's walk recursively in the matched files
        List<File> matchedFiles = new ArrayList<>();
        for (File file : files) {
            matchedFiles.addAll(walkFileTreeWithRegex(file, level + 1, pathParts));
        }
        return matchedFiles;
    }
    // we are in the last directory before the path end so we simply return the matched files
    return Arrays.asList(files);
}

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

/**
 * Reset all configuration properties and fields.
 *///from  w  w w .  j av  a  2  s  .co  m
protected void clearValues() {
    if (Objects.isNull(this.opacKatalog)) {
        this.opacKatalog = "";
    }
    this.standardFields = new HashMap<>();
    this.standardFields.put("collections", true);
    this.standardFields.put("doctype", true);
    this.standardFields.put("regelsatz", true);
    this.standardFields.put("images", true);
    this.additionalFields = new ArrayList<>();
    this.tifHeaderDocumentName = "";
    this.tifHeaderImageDescription = "";
}

From source file:org.kitodo.production.helper.tasks.EmptyTask.java

/**
 * The procedure setException can be used to save an exception that occurred
 * and show it in the front end. It will only record the first exception
 * (which is likely to be the source of all the misery) and it will not
 * record an InterruptedException if the thread has already been
 * interrupted./*  ww  w  . j a  v a  2 s. com*/
 *
 * @param exception
 *            exception to save
 */
public void setException(Throwable exception) {
    if (exception instanceof InterruptedException) {
        Thread.currentThread().interrupt();
    }
    if (Objects.isNull(this.exception) && (!isInterrupted() || !(exception instanceof InterruptedException))) {
        if (exception instanceof Exception) {
            this.exception = (Exception) exception;
        } else {
            this.exception = new ExecutionException(exception.getMessage(), exception);
        }
    }
}

From source file:org.openecomp.sdc.translator.services.heattotosca.impl.ResourceTranslationNovaServerImpl.java

private List<Map<String, Object>> getBlockDeviceMappingList(Resource resource) {

    if (Objects.isNull(resource.getProperties())) {
        return Collections.emptyList();
    }// w  ww . j a v a  2s  . c  om
    List<Map<String, Object>> blockDeviceMappingList = (List<Map<String, Object>>) resource.getProperties()
            .get("block_device_mapping");
    List<Map<String, Object>> blockDeviceMappingV2List = (List<Map<String, Object>>) resource.getProperties()
            .get("block_device_mapping_v2");

    if (blockDeviceMappingList != null && blockDeviceMappingV2List != null) {
        blockDeviceMappingList.addAll(blockDeviceMappingV2List);
    } else if (CollectionUtils.isEmpty(blockDeviceMappingList)
            && CollectionUtils.isEmpty(blockDeviceMappingV2List)) {
        return null;

    } else {
        blockDeviceMappingList = blockDeviceMappingList != null ? blockDeviceMappingList
                : blockDeviceMappingV2List;
    }
    return blockDeviceMappingList;
}