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.mysoft.b2b.event.scheduler.job.EventLogJob.java

/**
 * ?app/*from   ww  w  .j a  v  a  2s.  com*/
 * @param appid 
 */
private App getAppById(String appId) {
    if (StringUtils.isNotEmpty(appId)) {
        AppCriteria criteria = new AppCriteria();
        criteria.setAppId(appId);
        criteria = appService.getAppList(criteria);
        if (!CollectionUtils.isEmpty(criteria.getList())) {
            return criteria.getList().get(0);
        }
    }
    return null;
}

From source file:org.cleverbus.common.Strings.java

/**
 * Convert a {@link List} to a comma-separated string.
 *
 * @param list the list/*from  ww  w .ja v a2 s.  com*/
 * @return the comma-separated string or ""
 * @since 3.4.1
 */
public static String convertListToCommaSeparatedString(@Nullable List<?> list) {
    if (CollectionUtils.isEmpty(list)) {
        return EMPTY;
    }

    StringBuilder sb = new StringBuilder();
    String sep = EMPTY;
    for (Object object : list) {
        if (object != null) {
            sb.append(sep).append(object);
            sep = ",";
        }
    }
    return sb.toString();
}

From source file:com.iisigroup.cap.auth.handler.UserSetHandler.java

@SuppressWarnings("rawtypes")
@HandlerType(HandlerTypeEnum.GRID)/*  ww  w . ja v a2 s.  c o m*/
public GridResult findRole(SearchSetting search, Request params) {
    String type = params.get("type");
    if ("modify".equalsIgnoreCase(type)) {
        List<Map<String, Object>> roleList = null;
        String userCode = params.get("userCode");
        roleList = roleSetService.findAllRoleWithSelectedByUserCode(userCode);
        MapGridResult gridResult = new MapGridResult();
        if (!CollectionUtils.isEmpty(roleList)) {
            gridResult.setRowData(roleList);
        }
        return gridResult;
    } else {
        search.addOrderBy("code", false);
        Page<DefaultRole> page = commonService.findPage(DefaultRole.class, search);
        return new BeanGridResult(page.getContent(), page.getTotalRow(), null);
    }
}

From source file:com.mothsoft.alexis.engine.retrieval.TwitterRetrievalTaskImpl.java

public void retrieve() {

    CurrentUserUtil.setSystemUserAuthentication();

    try {//from   ww  w.j a v a  2 s.c  om
        logger.info("Retrieving content from Twitter");

        final List<Source> sources = findSourcesToProcess();

        for (final Source source : sources) {
            final TwitterSource twitterSource = (TwitterSource) source;

            logger.info("Retrieving Twitter source: " + twitterSource.getId() + " using Twitter user: "
                    + twitterSource.getSocialConnection().getRemoteUsername());
            handleSource(twitterSource);

        }

        if (CollectionUtils.isEmpty(sources)) {
            logger.info("Twitter retrieval found nothing to do, will sleep");
            this.delay.sleep();
        }

    } catch (final Exception e) {
        logger.error("Exception will cause falloff: " + e, e);
        this.delay.sleep();
    } finally {
        CurrentUserUtil.clearAuthentication();
    }
}

From source file:com.hs.mail.imap.message.responder.AbstractImapResponder.java

protected void nillableQuotes(List<String> quotes) {
    if (CollectionUtils.isEmpty(quotes)) {
        nil();/*  w  ww  .jav  a2s. com*/
    } else {
        openParen("(");
        for (String message : quotes) {
            nillableQuote(message);
        }
        closeParen(")");
    }
}

From source file:org.wallride.repository.UserRepositoryImpl.java

private FullTextQuery buildFullTextQuery(UserSearchRequest request, Pageable pageable, Criteria criteria) {
    FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
    QueryBuilder qb = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(User.class).get();

    @SuppressWarnings("rawtypes")
    BooleanJunction<BooleanJunction> junction = qb.bool();
    junction.must(qb.all().createQuery());

    if (StringUtils.hasText(request.getKeyword())) {
        Analyzer analyzer = fullTextEntityManager.getSearchFactory().getAnalyzer("synonyms");
        String[] fields = new String[] { "loginId", "name.firstName", "name.lastName", };
        MultiFieldQueryParser parser = new MultiFieldQueryParser(fields, analyzer);
        parser.setDefaultOperator(QueryParser.Operator.AND);
        Query query = null;/*www  .  j a  v  a2s. co m*/
        try {
            query = parser.parse(request.getKeyword());
        } catch (ParseException e1) {
            try {
                query = parser.parse(QueryParser.escape(request.getKeyword()));
            } catch (ParseException e2) {
                throw new RuntimeException(e2);
            }
        }
        junction.must(query);
    }

    if (!CollectionUtils.isEmpty(request.getRoles())) {
        for (User.Role role : request.getRoles()) {
            junction.must(qb.keyword().onField("roles").matching(role).createQuery());
        }
    }

    Query searchQuery = junction.createQuery();

    Sort sort = new Sort(new SortField("sortId", SortField.Type.LONG, false));

    FullTextQuery persistenceQuery = fullTextEntityManager.createFullTextQuery(searchQuery, User.class)
            .setCriteriaQuery(criteria)
            //            .setProjection("id")
            .setSort(sort);
    if (pageable != null) {
        persistenceQuery.setFirstResult(pageable.getOffset());
        persistenceQuery.setMaxResults(pageable.getPageSize());
    }
    return persistenceQuery;
}

From source file:ch.rasc.wampspring.config.DefaultWampConfiguration.java

@Autowired(required = false)
public void setConfigurers(List<WampConfigurer> configurers) {
    if (!CollectionUtils.isEmpty(configurers)) {
        this.configurers.addAll(configurers);
    }/*from ww w  .  j a  v a2  s .c  om*/
}

From source file:be.roots.taconic.pricingguide.respository.ModelRepositoryImpl.java

@Override
public List<Model> findAll() throws IOException {
    final String jsonAsString = HttpUtil.readString(defaultService.getModelCatalogUrl(),
            defaultService.getUserName(), defaultService.getPassword());
    List<HashMap> catalog = null;
    if (jsonAsString != null) {
        catalog = JsonUtil.asObject(jsonAsString, List.class);
    }//w w w  . ja  v a2  s .  c o  m

    if (!CollectionUtils.isEmpty(catalog)) {

        final List<Model> all = new ArrayList<>();
        for (HashMap entry : catalog) {
            all.add(findOne((String) entry.get("catalog_id")));
        }
        return all;

    }

    return new ArrayList<>();
}

From source file:com.zuoxiaolong.blog.service.impl.UserArticleServiceImpl.java

/**
 * ??/*w  w w  .  j  a  va 2  s  . co m*/
 *
 * @param map
 * @return
 */
private List<UserArticle> getTopReadArticlesByCategoryIdAndTime(Map<String, Object> map) {
    List<UserArticle> userArticles = userArticleMapper.getTopReadArticles(map);
    List<UserArticle> articles = userArticleMapper
            .getArticlesByCategoryId((Integer) map.get(QUERY_PARAMETER_CATEGORY_ID));
    if (CollectionUtils.isEmpty(userArticles) && !CollectionUtils.isEmpty(articles)) {
        //??DEFAULT_DAYS_BEFORE_PLUS
        map.put(QUERY_PARAMETER_TIME, Timestamp.valueOf(((Timestamp) map.get(QUERY_PARAMETER_TIME))
                .toLocalDateTime().minus(DEFAULT_DAYS_BEFORE_PLUS, ChronoUnit.DAYS)));
        userArticles = this.getTopReadArticlesByCategoryIdAndTime(map);
    }
    return userArticles;
}

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

@Override
public List<DverDetail> findAllRejectedDversForExcel() throws DataAccessException {

    logger.info("Find All Rejected Dvers for Excel report....");
    List rejectedDvers = getHibernateTemplate().executeFind(new HibernateCallback<List<DverDetail>>() {
        @Override/*from ww  w.j a  va2  s .  c om*/
        public List<DverDetail> doInHibernate(Session session) throws HibernateException, SQLException {
            org.hibernate.Query q = session.createQuery(FIND_REJECTED_DVERS);
            return q.list();
        }
    });

    return (!CollectionUtils.isEmpty(rejectedDvers)) ? rejectedDvers : new ArrayList<DverDetail>();
}