Example usage for org.springframework.util CollectionUtils isEmpty

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.nortal.petit.orm.StatementSupport.java

/**
 * Deletes beans by primary key mapping/*from  w  w  w.j av  a2s. co m*/
 * 
 * @param beans
 *            Beans to deleted
 */
public <B> void delete(Collection<B> beans) {
    if (CollectionUtils.isEmpty(beans)) {
        return;
    }

    DeleteStatement<B> stm = new DeleteStatement<B>(getJdbcTemplate(), getStatementBuilder(),
            (B[]) beans.toArray());
    if (stm.getMapping().id() != null) {
        stm.exec();
    } else {
        throw new PersistenceException("Model " + beans.iterator().next().getClass().getSimpleName()
                + " does not have primary key mapping");
    }
}

From source file:com.iana.dver.dao.impl.DverDetailsDaoImpl.java

@Override
public DverFiles findDverFileByDverDetailId(Integer dverDetailsId) throws DataAccessException {
    logger.info("find DverFile By DverDetailId ....");
    List result = getHibernateTemplate().findByNamedParam(FIND_DVER_FILE_FROM_DVER_DETAIL_ID, "dverDetailId",
            dverDetailsId);/*from www.  jav  a2s. co  m*/
    return (!CollectionUtils.isEmpty(result)) ? (DverFiles) result.get(0) : null;
}

From source file:com.alibaba.otter.node.etl.load.loader.db.DbLoadAction.java

/**
 * ??//ww w .j  av a2 s . c om
 */
public DbLoadContext load(RowBatch rowBatch, WeightController controller) {
    Assert.notNull(rowBatch);
    Identity identity = rowBatch.getIdentity();
    DbLoadContext context = buildContext(identity);

    try {
        List<EventData> datas = rowBatch.getDatas();
        context.setPrepareDatas(datas);
        // ???
        datas = context.getPrepareDatas();
        if (datas == null || datas.size() == 0) {
            logger.info("##no eventdata for load, return");
            return context;
        }

        // ?DbBatchLoaderDateMediaSource??????DbLoadAction?
        // media source???source??
        context.setDataMediaSource(
                ConfigHelper.findDataMedia(context.getPipeline(), datas.get(0).getTableId()).getSource());
        interceptor.prepare(context);
        // ???
        datas = context.getPrepareDatas();
        // ?ddl?ddl/dml????batchcanal
        // ?ddl?ddlbatch??sql
        if (isDdlDatas(datas)) {
            doDdl(context, datas);
        } else {
            WeightBuckets<EventData> buckets = buildWeightBuckets(context, datas);
            List<Long> weights = buckets.weights();
            controller.start(weights);// weights?start
            if (CollectionUtils.isEmpty(datas)) {
                logger.info("##no eventdata for load");
            }
            adjustPoolSize(context); // ?manager?
            adjustConfig(context); // ??
            // ???
            // ??
            for (int i = 0; i < weights.size(); i++) {
                Long weight = weights.get(i);
                controller.await(weight.intValue());
                // ??weight?
                List<EventData> items = buckets.getItems(weight);
                logger.debug("##start load for weight:" + weight);
                // ??

                // ????pkI/U/D?
                items = DbLoadMerger.merge(items);
                // I/U/D?
                DbLoadData loadData = new DbLoadData();
                doBefore(items, context, loadData);
                // load?
                doLoad(context, loadData);
                controller.single(weight.intValue());
                logger.debug("##end load for weight:" + weight);
            }
        }
        interceptor.commit(context);
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        interceptor.error(context);
    } catch (Exception e) {
        interceptor.error(context);
        throw new LoadException(e);
    }

    return context;// ??
}

From source file:com.excilys.ebi.bank.util.Asserts.java

public static void notEmpty(Collection<?> collection, String messagePattern, Object arg1, Object arg2) {
    if (CollectionUtils.isEmpty(collection)) {
        throw new IllegalArgumentException(MessageFormatter.format(messagePattern, arg1, arg2).getMessage());
    }/*from  w  w  w .  ja  va2  s  .  c  om*/
}

From source file:webFramework.MappingJackson2PrettyJsonView.java

/**
 * Filter out undesired attributes from the given model. The return value
 * can be either another {@link Map} or a single value object.
 * <p>/*  ww w .j  av  a  2 s .c  o m*/
 * The default implementation removes {@link BindingResult} instances and
 * entries not included in the {@link #setModelKeys renderedAttributes}
 * property.
 * 
 * @param model
 *            the model, as passed on to {@link #renderMergedOutputModel}
 * @return the value to be rendered
 */
@Override
protected Object filterModel(Map<String, Object> model) {
    Map<String, Object> result = new HashMap<String, Object>(model.size());
    Set<String> modelKeys = (!CollectionUtils.isEmpty(this.modelKeys) ? this.modelKeys : model.keySet());
    for (Map.Entry<String, Object> entry : model.entrySet()) {
        if (!(entry.getValue() instanceof BindingResult) && modelKeys.contains(entry.getKey())
                && !entry.getKey().equals(JsonView.class.getName())
                && !entry.getKey().equals(FilterProvider.class.getName())) {
            result.put(entry.getKey(), entry.getValue());
        }
    }
    return (this.extractValueFromSingleKeyModel && result.size() == 1 ? result.values().iterator().next()
            : result);
}

From source file:com.capitalone.dashboard.collector.TeamDataClient.java

/**
 * Retrieves the maximum change date for a given query.
 *
 * @return A list object of the maximum change date
 *///from w  ww. j av a2s  .c  o m
@Override
public String getMaxChangeDate() {
    Collector col = featureCollectorRepository.findByName(FeatureCollectorConstants.VERSIONONE);
    if (col == null)
        return "";
    if (StringUtils.isEmpty(getFeatureSettings().getDeltaCollectorItemStartDate()))
        return "";

    List<ScopeOwnerCollectorItem> response = teamRepo.findTopByChangeDateDesc(col.getId(),
            getFeatureSettings().getDeltaCollectorItemStartDate());
    if (!CollectionUtils.isEmpty(response))
        return response.get(0).getChangeDate();
    return "";
}

From source file:com.microsoft.exchange.impl.ExchangeResponseUtilsImpl.java

protected Set<FolderIdType> parseFolderResponse(BaseResponseMessageType response) {
    confirmSuccess(response);//  www.j  av  a2 s . com
    Set<FolderIdType> folderIds = new HashSet<FolderIdType>();
    ArrayOfResponseMessagesType responseMessages = response.getResponseMessages();
    List<JAXBElement<? extends ResponseMessageType>> createItemResponseMessages = responseMessages
            .getCreateItemResponseMessagesAndDeleteItemResponseMessagesAndGetItemResponseMessages();
    for (JAXBElement<? extends ResponseMessageType> responeElement : createItemResponseMessages) {
        FolderInfoResponseMessageType itemInfo = (FolderInfoResponseMessageType) responeElement.getValue();
        ArrayOfFoldersType folders = itemInfo.getFolders();
        if (null != folders
                && !CollectionUtils.isEmpty(folders.getFoldersAndCalendarFoldersAndContactsFolders())) {
            List<BaseFolderType> foldersAndCalendarFoldersAndContactsFolders = folders
                    .getFoldersAndCalendarFoldersAndContactsFolders();
            for (BaseFolderType bFolderIdType : foldersAndCalendarFoldersAndContactsFolders) {
                FolderIdType folderId = bFolderIdType.getFolderId();
                log.trace(" folderName= " + bFolderIdType.getDisplayName() + ", folderId=" + folderId);
                folderIds.add(folderId);
            }
        } else {
            log.error("No folders returned");
        }
    }
    return folderIds;
}

From source file:com.inspiresoftware.lib.dto.geda.impl.DTOSupportImpl.java

/** {@inheritDoc} */
public <T> void assembleDtos(final String dtoFilter, final String keyDto, final Collection<T> dtos,
        final Collection entities, final String context) {
    if (!CollectionUtils.isEmpty(entities)) {
        final Class dtoClassFilter;
        if (dtoFilter == null) {
            dtoClassFilter = this.beanFactory.getClazz(keyDto);
            if (dtoClassFilter == null) {
                throw new IllegalArgumentException("DTO factory has no class specified for key: " + keyDto);
            }/* w  w  w . ja  va  2 s  .  c  o m*/
        } else {
            dtoClassFilter = this.beanFactory.getClazz(dtoFilter);
            if (dtoClassFilter == null) {
                throw new IllegalArgumentException("DTO factory has no class specified for key: " + dtoFilter);
            }
        }
        final Class entityClass = entities.iterator().next().getClass();

        final Assembler asm;
        if (isAnnotatedClass(dtoClassFilter)) {
            asm = DTOAssembler.newAssembler(dtoClassFilter, entityClass);
        } else {
            asm = DTOAssembler.newAssembler(dtoClassFilter, entityClass, dslRegistry);
        }

        for (final Object entity : entities) {
            final Object dto = this.beanFactory.get(keyDto);
            if (dto == null) {
                throw new IllegalArgumentException("DTO factory has no class specified for key: " + keyDto);
            }
            try {
                if (this.onDtoAssembly != null) {
                    this.onDtoAssembly.onEvent(context, dto, entity);
                }
                asm.assembleDto(dto, entity, this.dtoValueConverters.getAll(), this.beanFactory);
                dtos.add((T) dto);
                if (this.onDtoAssembled != null) {
                    this.onDtoAssembled.onEvent(context, dto, entity);
                }
            } catch (final RuntimeException re) {
                if (this.onDtoFailed != null) {
                    this.onDtoFailed.onEvent(context, dto, entity, re);

                    LOG.error("Exception skipped by event listener", re);

                    continue;
                }
                throw re; // re-throw
            }
        }
    }
}

From source file:org.agatom.springatom.cmp.wizards.data.result.WizardResult.java

public WizardResult setFeedbackMessages(final Set<FeedbackMessage> feedbackMessages) {
    if (CollectionUtils.isEmpty(feedbackMessages)) {
        return this;
    }/*  www .ja  va 2s  .  com*/
    if (this.feedbackMessages == null) {
        this.feedbackMessages = feedbackMessages;
    } else {
        this.feedbackMessages.addAll(feedbackMessages);
    }
    return this;
}