Example usage for org.apache.commons.collections4 CollectionUtils isEmpty

List of usage examples for org.apache.commons.collections4 CollectionUtils isEmpty

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Introduction

In this page you can find the example usage for org.apache.commons.collections4 CollectionUtils isEmpty.

Prototype

public static boolean isEmpty(final Collection<?> coll)

Source Link

Document

Null-safe check if the specified collection is empty.

Usage

From source file:org.dspace.app.rest.RestResourceController.java

@RequestMapping(method = RequestMethod.GET, value = "/search")
public ResourceSupport listSearchMethods(@PathVariable String apiCategory, @PathVariable String model) {
    ResourceSupport root = new ResourceSupport();
    DSpaceRestRepository repository = utils.getResourceRepository(apiCategory, model);

    List<String> searchMethods = repositoryUtils.listSearchMethods(repository);

    if (CollectionUtils.isEmpty(searchMethods)) {
        throw new RepositorySearchNotFoundException(model);
    }/*from w w  w .ja  va 2 s  .  com*/

    for (String name : searchMethods) {
        Link link = linkTo(this.getClass(), apiCategory, model).slash("search").slash(name).withRel(name);
        root.add(link);
    }
    return root;
}

From source file:org.duniter.elasticsearch.service.DocStatService.java

public void computeStats() {

    // Skip if empty
    if (CollectionUtils.isEmpty(statDefs))
        return;/*from   w ww.j  ava 2s  . c  o  m*/

    int bulkSize = pluginSettings.getIndexBulkSize();
    long now = System.currentTimeMillis() / 1000;
    BulkRequestBuilder bulkRequest = client.prepareBulk();

    DocStat stat = new DocStat();
    stat.setTime(now);

    int counter = 0;

    for (StatDef statDef : statDefs) {
        long count = docStatDao.countDoc(statDef.index, statDef.type);

        // Update stat properties (resue existing obj)
        stat.setIndex(statDef.index);
        stat.setIndexType(statDef.type);
        stat.setCount(count);

        // Call compute listeners if any
        if (CollectionUtils.isNotEmpty(statDef.listeners)) {
            statDef.listeners.forEach(l -> l.onCompute(stat));
        }

        // Add insertion into bulk
        IndexRequestBuilder request = docStatDao.prepareIndex(stat);
        bulkRequest.add(request);
        counter++;

        // Flush the bulk if not empty
        if ((counter % bulkSize) == 0) {
            client.flushBulk(bulkRequest);
            bulkRequest = client.prepareBulk();
        }
    }

    // last flush
    if ((counter % bulkSize) != 0) {
        client.flushBulk(bulkRequest);
    }
}

From source file:org.eclipse.hawkbit.repository.jpa.model.JpaDistributionSetType.java

private boolean isOneModuleListEmpty(final DistributionSetType dsType) {
    return (!CollectionUtils.isEmpty(((JpaDistributionSetType) dsType).elements)
            && CollectionUtils.isEmpty(elements))
            || (CollectionUtils.isEmpty(((JpaDistributionSetType) dsType).elements)
                    && !CollectionUtils.isEmpty(elements));
}

From source file:org.eclipse.hawkbit.repository.jpa.model.JpaDistributionSetType.java

private boolean areBothModuleListsEmpty(final DistributionSetType dsType) {
    return CollectionUtils.isEmpty(((JpaDistributionSetType) dsType).elements)
            && CollectionUtils.isEmpty(elements);
}

From source file:org.eclipse.hawkbit.ui.management.targettable.TargetTable.java

private static boolean noFilterSelected(final Collection<TargetUpdateStatus> status, final Long distributionId,
        final Boolean noTagClicked, final String[] targetTags, final String searchText) {
    return CollectionUtils.isEmpty(status) && distributionId == null && Strings.isNullOrEmpty(searchText)
            && !isTagSelected(targetTags, noTagClicked);
}

From source file:org.efaps.esjp.common.loginalert.AlertProvider_Base.java

/**
 * Gets the login alerts.//from   w w w .j a  v a2 s  .com
 *
 * @return the login alerts
 */
public List<ILoginAlert> getLoginAlerts() {
    if (CollectionUtils.isEmpty(this.loginAlerts)) {
        try {
            this.loginAlerts = Listener.get().<ILoginAlert>invoke(ILoginAlert.class);
        } catch (final EFapsException e) {
            LOG.error("Catched error", e);
        }
    }
    return this.loginAlerts;
}

From source file:org.efaps.esjp.ui.print.Table_Base.java

/**
 * Execute for gridx.//from   w  w  w. jav  a 2s . c om
 *
 * @param _parameter Parameter as passed by the eFaps API
 * @param _uiTable the ui table
 * @param _mime the mime
 * @return the jasper report builder
 * @throws EFapsException on error
 */
protected JasperReportBuilder execute4GridX(final Parameter _parameter, final UITable _uiTable,
        final String _mime) throws EFapsException {
    final JasperReportBuilder ret = getBuilder(_parameter, _uiTable, _mime);
    final String[] oidArr = (String[]) Context.getThreadContext().getSessionAttribute("selectedOIDs4print");
    final Set<String> oids = ArrayUtils.isEmpty(oidArr) ? SetUtils.emptySet()
            : new HashSet<>(Arrays.asList(oidArr));
    final String[] visibles = _parameter.getParameterValues("visibleRow");
    final String[] columns = _parameter.getParameterValues("column");
    final boolean isPdf = "pdf".equalsIgnoreCase(_mime);

    final List<Map<String, Object>> values = new ArrayList<>();
    if (ArrayUtils.isNotEmpty(visibles)) {
        final List<UIRow> uirows = _uiTable.getValues();
        final UIRow[] rowsArray = uirows.toArray(new UIRow[uirows.size()]);
        for (final String visible : visibles) {
            final UIRow row = rowsArray[Integer.valueOf(visible)];
            if (CollectionUtils.isEmpty(oids) || oids.contains(row.getInstance().getOid())) {
                final Map<String, Object> map = new HashMap<>();
                values.add(map);
                for (final String column : columns) {
                    for (final IFilterable cell : row.getCells()) {
                        if (cell.belongsTo(Long.valueOf(column))) {
                            if (cell instanceof UIField) {
                                final UIField uiField = (UIField) cell;
                                Object value = isPdf ? uiField.getPickListValue()
                                        : (uiField.getCompareValue() != null ? uiField.getCompareValue()
                                                : uiField.getPickListValue());
                                if (value instanceof DateTime) {
                                    value = ((DateTime) value).toDate();
                                }
                                map.put(uiField.getFieldConfiguration().getName(), value);
                            }
                            break;
                        }
                    }
                }
            }
        }
        for (final String column : columns) {
            for (final UITableHeader header : _uiTable.getHeaders()) {
                if (Long.valueOf(column) == header.getFieldId()) {
                    final TextColumnBuilder<?> cb = getColumnBuilder4Values(values, header);
                    if (isPdf) {
                        final StyleBuilder colStyle = getStyle(_parameter, Section.COLUMN);
                        if ("right".equalsIgnoreCase(header.getFieldConfig().getAlign())) {
                            colStyle.setHorizontalTextAlignment(HorizontalTextAlignment.RIGHT);
                        }
                        cb.setStyle(colStyle).setTitleStyle(getStyle(_parameter, Section.COLUMNHEADER));
                    }
                    ret.addColumn(cb);
                    break;
                }
            }
        }
    }

    if (isPdf) {
        ret.setPageMargin(DynamicReports.margin(20)).setPageFormat(PageType.A4, PageOrientation.LANDSCAPE)
                .setColumnHeaderStyle(getStyle(_parameter, Table_Base.Section.COLUMNHEADER))
                .highlightDetailEvenRows().pageFooter(DynamicReports.cmp.pageXofY().setStyle(
                        DynamicReports.stl.style().setHorizontalTextAlignment(HorizontalTextAlignment.CENTER)));
    } else {
        ret.setIgnorePagination(true).setPageMargin(DynamicReports.margin(0));
    }
    ret.setLocale(Context.getThreadContext().getLocale()).setDataSource(getSource(_parameter, values));
    return ret;
}

From source file:org.ethereum.net.server.ChannelManagerImpl.java

private void processNewPeers() {
    if (!CollectionUtils.isEmpty(newPeers)) {
        final List<Channel> processed = new ArrayList<>();
        newPeers.stream().filter(channel -> channel.isProtocolsInitialized()).forEach(channel -> {
            ReasonCode reason = getNewPeerDisconnectionReason(channel);
            if (reason == null) {
                process(channel);/*from  ww w. j  a va  2s  .c  om*/
            } else {
                disconnect(channel, reason);
            }
            processed.add(channel);
        });
        newPeers.removeAll(processed);
    }
}

From source file:org.ethereum.rpc.Web3Impl.java

private Account getDefaultAccount() {
    List<byte[]> accountAddresses = this.wallet.getAccountAddresses();

    if (!CollectionUtils.isEmpty(accountAddresses)) {
        return this.wallet.getAccount(accountAddresses.get(0));
    }/*  www  .j  ava 2  s .co  m*/

    return null;
}

From source file:org.finra.herd.dao.impl.AbstractHerdDao.java

/**
 * Builds a query restriction predicate for the storage.
 *
 * @param builder the criteria builder//from  w w w . j  a  va  2  s  . co  m
 * @param storageEntity the storage entity that appears in the from clause
 * @param storagePlatformEntity the storage platform entity that appears in the from clause
 * @param storageNames the list of storage names where the business object data storage units should be looked for (case-insensitive)
 * @param storagePlatformType the optional storage platform type, e.g. S3 for Hive DDL. It is ignored when the list of storages is not empty
 * @param excludedStoragePlatformType the optional storage platform type to be excluded from search. It is ignored when the list of storages is not empty or
 * the storage platform type is specified
 *
 * @return the query restriction predicate
 */
protected Predicate getQueryRestrictionOnStorage(CriteriaBuilder builder, From<?, StorageEntity> storageEntity,
        From<?, StoragePlatformEntity> storagePlatformEntity, List<String> storageNames,
        String storagePlatformType, String excludedStoragePlatformType) {
    List<Predicate> predicates = new ArrayList<>();

    // If specified, add restriction on storage.
    if (!CollectionUtils.isEmpty(storageNames)) {
        // Add a storage name restriction to the main query where clause.
        List<String> uppercaseStorageNames = new ArrayList<>();
        for (String storageName : storageNames) {
            uppercaseStorageNames.add(storageName.toUpperCase());
        }
        predicates.add(builder.upper(storageEntity.get(StorageEntity_.name)).in(uppercaseStorageNames));
    } else if (StringUtils.isNotBlank(storagePlatformType)) {
        // Select storage units only from the storages of the specified storage platform type.
        predicates.add(
                builder.equal(storagePlatformEntity.get(StoragePlatformEntity_.name), storagePlatformType));
    } else if (StringUtils.isNotBlank(excludedStoragePlatformType)) {
        // Ignore any storages of the excluded storage platform type.
        predicates.add(builder.notEqual(storagePlatformEntity.get(StoragePlatformEntity_.name),
                excludedStoragePlatformType));
    }

    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
}