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.alibaba.otter.node.etl.conflict.impl.FileBatchConflictDetectServiceImpl.java

/**
 * ?//from  w  w w . ja  va  2s.co  m
 */
private FileBatch onFileConflictDetect(FileConflictDetectEvent event) {
    final FileBatch fileBatch = event.getFileBatch();
    if (CollectionUtils.isEmpty(fileBatch.getFiles())) {
        return fileBatch;
    }

    ExecutorTemplate executorTemplate = executorTemplateGetter.get();
    try {
        MDC.put(OtterConstants.splitPipelineLoadLogFileKey,
                String.valueOf(fileBatch.getIdentity().getPipelineId()));
        executorTemplate.start();
        // ?poolSize
        Pipeline pipeline = configClientService.findPipeline(fileBatch.getIdentity().getPipelineId());
        executorTemplate.adjustPoolSize(pipeline.getParameters().getFileLoadPoolSize());
        // ?
        final List<FileData> result = Collections.synchronizedList(new ArrayList<FileData>());
        final List<FileData> filter = Collections.synchronizedList(new ArrayList<FileData>());
        for (final FileData source : fileBatch.getFiles()) {
            EventType type = source.getEventType();
            if (type.isDelete()) {
                result.add(source);
            } else {
                executorTemplate.submit(new Runnable() {

                    public void run() {
                        MDC.put(OtterConstants.splitPipelineLoadLogFileKey,
                                String.valueOf(fileBatch.getIdentity().getPipelineId()));
                        // ?
                        String namespace = source.getNameSpace();
                        String path = source.getPath();
                        FileData target = null;

                        int count = 0;
                        while (count++ < retry) {// ??
                            try {
                                if (true == StringUtils.isBlank(namespace)) {
                                    // local file
                                    java.io.File targetFile = new java.io.File(path);
                                    if (true == targetFile.exists()) {
                                        // modified time cost
                                        long lastModified = targetFile.lastModified();
                                        long size = targetFile.length();
                                        // ?
                                        target = new FileData();
                                        target.setLastModifiedTime(lastModified);
                                        target.setSize(size);
                                    }
                                } else {
                                    // remote file
                                    throw new RuntimeException(source + " is not support!");
                                }

                                break; // ?
                            } catch (Exception ex) {
                                target = null;
                            }
                        }

                        boolean shouldSync = false;
                        if (target != null) {
                            if (true == accept(target, source)) {
                                shouldSync = true;
                            }
                        } else {
                            shouldSync = true;
                        }

                        if (true == shouldSync) {
                            result.add(source);
                        } else {
                            filter.add(source);
                        }
                    }
                });
            }
        }
        // ??
        executorTemplate.waitForResult();

        if (pipeline.getParameters().getDumpEvent() && logger.isInfoEnabled()) {
            logger.info(FileloadDumper.dumpFilterFileDatas(fileBatch.getIdentity(), fileBatch.getFiles().size(),
                    result.size(), filter));
        }

        // 
        FileBatch target = new FileBatch();
        target.setIdentity(fileBatch.getIdentity());
        target.setFiles(result);
        return target;
    } finally {
        if (executorTemplate != null) {
            executorTemplateGetter.release(executorTemplate);
        }

        MDC.remove(OtterConstants.splitPipelineLoadLogFileKey);
    }
}

From source file:org.wallride.support.PageUtils.java

public Map<Page, String> getPaths(Page page, boolean includeUnpublished) {
    List<Page> parents = pageService.getPathPages(page, includeUnpublished);
    Map<Page, String> paths = new LinkedHashMap<>();
    if (CollectionUtils.isEmpty(parents)) {
        return paths;
    }/*from   w  w w. jav a  2 s.c o m*/
    StringBuilder path = new StringBuilder();
    for (Page p : parents) {
        if (path != null) {
            path.append("/");
        }
        path.append(p.getCode());
        paths.put(p, path.toString());
    }
    return paths;
}

From source file:com.sinet.gage.tasklets.DominFullImportTasklet.java

/**
 * Inserting all child domains for state
 * /*  w  ww  . jav a 2  s . c o  m*/
 * @param childDomains
 * @param stateName 
 */
private void insertDomainsForState(List<Domain> childDomains, String stateName) {
    try {
        if (!CollectionUtils.isEmpty(childDomains)) {
            domainsRepository.insertDomains(childDomains);
        }
    } catch (Exception e) {
        logger.error("Error inserting domains " + childDomains.size() + " for state " + stateName, e);
    }
}

From source file:am.ik.categolj2.domain.model.User.java

@Transient
public boolean hasRole(String roleName) {
    if (CollectionUtils.isEmpty(this.getRoles())) {
        return false;
    }/*from  www.  j  ava 2  s  . c  o  m*/
    return this.getRoles().stream().filter(role -> Objects.equals(roleName, role.getRoleName())).count() > 0;
}

From source file:com.kurento.kmf.jsonrpcconnector.internal.server.config.JsonRpcConfiguration.java

@Autowired(required = false)
public void setConfigurers(List<JsonRpcConfigurer> configurers) {
    if (!CollectionUtils.isEmpty(configurers)) {
        this.configurers.addAll(configurers);
    }/*from ww w. j  a  va2 s  .c om*/
}

From source file:org.duracloud.snapshot.service.impl.SyncWriter.java

@Override
public void beforeStep(StepExecution stepExecution) {
    try {/*from   w  w  w .  j  ava  2s .  c  o  m*/
        restoreManager.transitionRestoreStatus(restorationId, RestoreStatus.TRANSFERRING_TO_DURACLOUD, "");
        Space space = this.contentStore.getSpace(destinationSpaceId, null, 1, null);
        if (!CollectionUtils.isEmpty(space.getContentIds())) {
            stepExecution.addFailureException(new RuntimeException(
                    "destination space " + destinationSpaceId + " must be empty to receive restored content"));
        }
    } catch (NotFoundException ex) {
        try {
            this.contentStore.createSpace(destinationSpaceId);
        } catch (ContentStoreException e) {
            stepExecution.addFailureException(e);
        }
    } catch (Exception ex) {
        stepExecution.addFailureException(ex);
    }
}

From source file:org.wallride.web.controller.admin.user.UserDescribeController.java

@RequestMapping
public String describe(@PathVariable String language, @RequestParam long id, String query, Model model) {
    User user = userService.getUserById(id);
    if (user == null) {
        throw new HttpNotFoundException();
    }/*from  w w  w.  j a v  a  2s. c  om*/

    MutablePropertyValues mpvs = new MutablePropertyValues(
            UriComponentsBuilder.newInstance().query(query).build().getQueryParams());
    for (Iterator<PropertyValue> i = mpvs.getPropertyValueList().iterator(); i.hasNext();) {
        PropertyValue pv = i.next();
        boolean hasValue = false;
        for (String value : (List<String>) pv.getValue()) {
            if (StringUtils.hasText(value)) {
                hasValue = true;
                break;
            }
        }
        if (!hasValue) {
            i.remove();
        }
    }
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(new UserSearchForm());
    beanWrapper.setConversionService(conversionService);
    beanWrapper.setPropertyValues(mpvs, true, true);
    UserSearchForm form = (UserSearchForm) beanWrapper.getWrappedInstance();
    List<Long> ids = userService.getUserIds(form.toUserSearchRequest());
    if (!CollectionUtils.isEmpty(ids)) {
        int index = ids.indexOf(user.getId());
        if (index < ids.size() - 1) {
            Long next = ids.get(index + 1);
            model.addAttribute("next", next);
        }
        if (index > 0) {
            Long prev = ids.get(index - 1);
            model.addAttribute("prev", prev);
        }
    }

    model.addAttribute("user", user);
    model.addAttribute("query", query);
    return "user/describe";
}

From source file:com.asuraiv.coordination.menu.MainMenu.java

/**
 *  ? .//from   w w  w  . ja  v a  2 s .  c  o  m
 */
private void doTaskListUp() {
    try {

        ZooKeeper zk = new ZooKeeper("10.113.182.195:2181", 15000, this);

        System.out.println();
        System.out.println("###   ###");

        List<String> tasks = zk.getChildren("/tasks", false, null);

        if (CollectionUtils.isEmpty(tasks)) {
            System.out.println("[WARNNING]  ?? ? .");
        }

        for (String task : tasks) {
            String status = new String(zk.getData("/tasks/" + task, false, null));
            System.out.println(task + ": " + status);
        }

        zk.close();

    } catch (IOException e) {
        e.printStackTrace();
    } catch (KeeperException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
}

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

public SolrPersistentEntitySchemaCreator enable(Collection<Feature> features) {

    if (!CollectionUtils.isEmpty(features)) {
        this.features.addAll(features);
    }/*from w  ww.j a  v  a 2  s.  co  m*/
    return this;
}

From source file:com.hs.mail.imap.message.MessageHeader.java

public Mailbox getFrom() {
    MailboxList mailboxList = getMailboxList(FieldName.FROM);
    if (CollectionUtils.isEmpty(mailboxList)) {
        Field field = header.getField(FieldName.FROM);
        return (field != null) ? new Mailbox(field.getBody(), null) : null;
    } else {/*from  ww w . j  ava  2 s  . c om*/
        return mailboxList.get(0);
    }
}