Example usage for org.springframework.util CollectionUtils isEmpty

List of usage examples for org.springframework.util CollectionUtils isEmpty

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Introduction

In this page you can find the example usage for org.springframework.util CollectionUtils isEmpty.

Prototype

public static boolean isEmpty(@Nullable Map<?, ?> map)

Source Link

Document

Return true if the supplied Map is null or empty.

Usage

From source file:com.banyou.backend.web.front.SearchController.java

@RequestMapping(value = { "toList" }, method = RequestMethod.GET)
public String toList(HttpSession session, @RequestParam(value = "dest", required = false) List<Long> destIds) {
    if (CollectionUtils.isEmpty(destIds)) {
        destIds = Collections.emptyList();
    }// w ww.ja  v  a  2s .co  m
    session.setAttribute(DEST_CODE, destIds.toArray(new Long[0]));
    return "redirect:/front/search/list";
}

From source file:net.sf.sze.frontend.konfiguration.KonfigurationController.java

/**
 * Initialisiert die Zeugnisse.//from  w  w w  .  j  a  v  a2  s . c  om
 * @param formulare die Formulare fr die die Zeugnisse zu initialisieren sind.
 * @param redirectAttributes der Datenspeicher fr den Redirect.
 * @return die anzuzeigende View.
 */
@RequestMapping(value = URL.Configuration.INIT_ZEUGNISSE, method = RequestMethod.POST)
public String initializeZeugnisse(
        @RequestParam(value = URL.Configuration.P_FORMULAR, required = false) List<ZeugnisFormular> formulare,
        RedirectAttributes redirectAttributes) {
    if (CollectionUtils.isEmpty(formulare)) {
        redirectAttributes.addFlashAttribute("message", "Es wurde kein Formular ausgewhlt.");
    } else {
        final ResultContainer result = new ResultContainer();
        for (ZeugnisFormular zeugnisFormular : formulare) {
            result.addResultContainer(zeugnisInitialierungsService.initZeugnis(zeugnisFormular));
        }
        redirectAttributes.addFlashAttribute("result", result);
    }
    return URL.redirect(URL.Configuration.INIT_ZEUGNISSE);
}

From source file:com.alibaba.otter.node.etl.extract.extractor.GroupExtractor.java

@Override
public void extract(DbBatch dbBatch) throws ExtractException {
    Assert.notNull(dbBatch);//from  ww w .  j  a  va 2  s  .  co m
    Assert.notNull(dbBatch.getRowBatch());

    Pipeline pipeline = getPipeline(dbBatch.getRowBatch().getIdentity().getPipelineId());
    List<DataMediaPair> dataMediaPairs = pipeline.getPairs();

    /**
     * Key = TableId<br>
     * Value = a List of this tableId's column need to sync<br>
     */
    Map<Long, List<ColumnGroup>> groupColumns = new HashMap<Long, List<ColumnGroup>>();

    for (DataMediaPair dataMediaPair : dataMediaPairs) {
        List<ColumnGroup> columnGroups = dataMediaPair.getColumnGroups();
        if (!CollectionUtils.isEmpty(columnGroups)) {
            groupColumns.put(dataMediaPair.getSource().getId(), columnGroups);
        }
    }

    List<EventData> eventDatas = dbBatch.getRowBatch().getDatas();
    for (EventData eventData : eventDatas) {
        if (eventData.getEventType().isDdl()) {
            continue;
        }

        List<ColumnGroup> columnGroups = groupColumns.get(eventData.getTableId());
        if (!CollectionUtils.isEmpty(columnGroups)) {
            for (ColumnGroup columnGroup : columnGroups) {
                if (columnGroup != null && !CollectionUtils.isEmpty(columnGroup.getColumnPairs())) {
                    groupFilter(eventData, columnGroup);
                }
            }
        }
    }
}

From source file:com.frank.search.solr.core.schema.SolrSchemaResolver.java

protected SchemaDefinition.FieldDefinition createFieldDefinitionForProperty(SolrPersistentProperty property) {

    if (property == null || property.isReadonly() || property.isTransient()) {
        return null;
    }//from  ww w  . j  a va2  s  .c  om

    SchemaDefinition.FieldDefinition definition = new SchemaDefinition.FieldDefinition(property.getFieldName());
    definition.setMultiValued(property.isMultiValued());
    definition.setIndexed(property.isSearchable());
    definition.setStored(property.isStored());
    definition.setType(property.getSolrTypeName());
    definition.setDefaultValue(property.getDefaultValue());
    definition.setRequired(property.isRequired());

    Collection<String> copyFields = property.getCopyFields();
    if (!CollectionUtils.isEmpty(copyFields)) {
        definition.setCopyFields(copyFields);
    }

    return definition;
}

From source file:cognition.pipeline.service.anonymisation.AnonymisationService.java

private void traverseAndAnonymise(Node node, Individual individual) {
    if (node == null) {
        return;/*w  w  w. ja v a 2  s . co m*/
    }

    if (node instanceof TextNode) {
        TextNode textNode = (TextNode) node;
        textNode.text(pseudonymiseAll(individual, textNode.text()));
    }

    if (CollectionUtils.isEmpty(node.childNodes())) {
        return;
    }

    for (Node child : node.childNodes()) {
        traverseAndAnonymise(child, individual);
    }
}

From source file:nl.surfnet.coin.teams.service.impl.TeamInviteServiceHibernateImpl.java

/**
 * {@inheritDoc}// w  ww .j a v a 2s.  c om
 */
@Override
public Invitation findInvitationByInviteId(String invitationId) {
    cleanupExpiredInvitations();
    long twoWeeksAgo = (new Date().getTime()) - TWO_WEEKS;
    List<Invitation> invitations = findByCriteria(Restrictions.eq("invitationHash", invitationId),
            Restrictions.ge("timestamp", twoWeeksAgo));
    return CollectionUtils.isEmpty(invitations) ? null : invitations.get(0);
}

From source file:com.fredhopper.core.connector.index.generate.validator.TextAttributeValidator.java

@Override
protected void validateValue(final FhAttributeData attribute, final List<Violation> violations) {
    final Table<Optional<String>, Optional<Locale>, String> values = attribute.getValues();
    final Map<Optional<Locale>, String> valueMap = values.row(Optional.empty());
    if (CollectionUtils.isEmpty(valueMap) || valueMap.entrySet().size() != 1
            || !valueMap.containsKey(Optional.empty())) {
        rejectValue(attribute, violations, "The \"text\" attribute value cannot be localized.");
        return;/*w  w w. j  ava2s.  c  o  m*/
    }

    final String value = valueMap.get(Optional.empty());
    if (StringUtils.isBlank(value)) {
        rejectValue(attribute, violations, "The \"text\" attribute value must not be blank.");
    }
}

From source file:com.icfcc.cache.annotation.AbstractCachingConfiguration.java

/**
 * Determine which {@code CacheManager} bean to use. Prefer the result of
 * {@link CachingConfigurer#cacheManager()} over any by-type matching. If none, fall
 * back to by-type matching on {@code CacheManager}.
 * @throws IllegalArgumentException if no CacheManager can be found; if more than one
 * CachingConfigurer implementation exists; if multiple CacheManager beans and no
 * CachingConfigurer exists to disambiguate.
 *//*from ww  w.jav  a2s  .c o m*/
//@PostConstruct
protected void reconcileCacheManager() {
    if (!CollectionUtils.isEmpty(cachingConfigurers)) {
        int nConfigurers = cachingConfigurers.size();
        if (nConfigurers > 1) {
            throw new IllegalStateException(nConfigurers + " implementations of "
                    + "CachingConfigurer were found when only 1 was expected. "
                    + "Refactor the configuration such that CachingConfigurer is "
                    + "implemented only once or not at all.");
        }
        CachingConfigurer cachingConfigurer = cachingConfigurers.iterator().next();
        this.cacheManager = cachingConfigurer.cacheManager();
        this.keyGenerator = cachingConfigurer.keyGenerator();
    } else if (!CollectionUtils.isEmpty(cacheManagerBeans)) {
        int nManagers = cacheManagerBeans.size();
        if (nManagers > 1) {
            throw new IllegalStateException(nManagers + " beans of type CacheManager "
                    + "were found when only 1 was expected. Remove all but one of the "
                    + "CacheManager bean definitions, or implement CachingConfigurer "
                    + "to make explicit which CacheManager should be used for "
                    + "annotation-driven cache management.");
        }
        CacheManager cacheManager = cacheManagerBeans.iterator().next();
        this.cacheManager = cacheManager;
        // keyGenerator remains null; will fall back to default within CacheInterceptor
    } else {
        throw new IllegalStateException("No bean of type CacheManager could be found. "
                + "Register a CacheManager bean or remove the @EnableCaching annotation "
                + "from your configuration.");
    }
}

From source file:com.alibaba.otter.node.etl.extract.extractor.ViewExtractor.java

@Override
public void extract(DbBatch dbBatch) throws ExtractException {
    Assert.notNull(dbBatch);/*from  ww w.j ava2  s .c o  m*/
    Assert.notNull(dbBatch.getRowBatch());

    Pipeline pipeline = getPipeline(dbBatch.getRowBatch().getIdentity().getPipelineId());
    List<DataMediaPair> dataMediaPairs = pipeline.getPairs();

    /**
     * Key = TableId<br>
     * Value = a List of this tableId's column need to sync<br>
     */
    Map<Long, List<ColumnPair>> viewColumnPairs = new HashMap<Long, List<ColumnPair>>();
    Map<Long, ColumnPairMode> viewColumnPairModes = new HashMap<Long, ColumnPairMode>();

    for (DataMediaPair dataMediaPair : dataMediaPairs) {
        List<ColumnPair> columnPairs = dataMediaPair.getColumnPairs();
        // ColumnPairMode
        viewColumnPairModes.put(dataMediaPair.getSource().getId(), dataMediaPair.getColumnPairMode());
        // columnPairs????
        if (!CollectionUtils.isEmpty(columnPairs)) {
            viewColumnPairs.put(dataMediaPair.getSource().getId(), columnPairs);
        }
    }

    List<EventData> eventDatas = dbBatch.getRowBatch().getDatas();
    Set<EventData> removeDatas = new HashSet<EventData>();// set???remove
    for (EventData eventData : eventDatas) {
        if (eventData.getEventType().isDdl()) {
            continue;
        }

        List<ColumnPair> columns = viewColumnPairs.get(eventData.getTableId());
        if (!CollectionUtils.isEmpty(columns)) {
            // ??Column
            ColumnPairMode mode = viewColumnPairModes.get(eventData.getTableId());
            eventData.setColumns(columnFilter(eventData.getColumns(), columns, mode));
            eventData.setKeys(columnFilter(eventData.getKeys(), columns, mode));
            if (!CollectionUtils.isEmpty(eventData.getOldKeys())) {
                eventData.setOldKeys(columnFilter(eventData.getOldKeys(), columns, mode));
            }

            if (CollectionUtils.isEmpty(eventData.getKeys())) { // 
                throw new ExtractException(String.format(
                        "eventData after viewExtractor has no pks , pls check! identity:%s, new eventData:%s",
                        dbBatch.getRowBatch().getIdentity().toString(), eventData.toString()));
            }

            // insert?view??
            // delete: eventData??
            // update: ?(???)????sql
            if (eventData.getEventType().isUpdate()
                    && (CollectionUtils.isEmpty(eventData.getColumns())
                            || CollectionUtils.isEmpty(eventData.getUpdatedColumns()))
                    && CollectionUtils.isEmpty(eventData.getOldKeys())) {
                // ??????
                removeDatas.add(eventData);
            }
        }

    }

    if (!CollectionUtils.isEmpty(removeDatas)) {
        eventDatas.removeAll(removeDatas);
    }
}

From source file:com.fredhopper.core.connector.index.generate.validator.IntAttributeValidator.java

@Override
protected void validateValue(final FhAttributeData attribute, final List<Violation> violations) {
    final Table<Optional<String>, Optional<Locale>, String> values = attribute.getValues();
    final Map<Optional<Locale>, String> valueMap = values.row(Optional.empty());
    if (CollectionUtils.isEmpty(valueMap) || valueMap.entrySet().size() != 1
            || !valueMap.containsKey(Optional.empty())) {
        rejectValue(attribute, violations, "The \"int\" attribute value cannot be localized.");
        return;/*from  w  w  w.  ja va 2s .  c  o m*/
    }

    final String value = valueMap.get(Optional.empty());
    try {
        if (StringUtils.isBlank(value) || !(Integer.parseInt(value) > 0
                && Double.valueOf(Integer.MAX_VALUE).compareTo(Double.valueOf(value)) > 0)) {
            rejectValue(attribute, violations,
                    "The \"int\" attribute value is not in the supported value range.");
        }
    } catch (final NumberFormatException ex) {
        rejectValue(attribute, violations, "The \"int\" attribute value does not have the appropriate format.");
    }
}