Example usage for org.springframework.util StringUtils isEmpty

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

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Introduction

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

Prototype

public static boolean isEmpty(@Nullable Object str)

Source Link

Document

Check whether the given object (possibly a String ) is empty.

Usage

From source file:org.terasoluna.gfw.web.el.ObjectToMapConverter.java

/**
 * Convert the given map to the flatten map
 * @param prefix prefix of the key/*  ww w.ja  va  2  s . c  o  m*/
 * @param value map instance to convert
 * @return converted map. all keys are prefixed with the given key
 */
private Map<String, String> convert(String prefix, Map value) {
    Map<String, String> map = new LinkedHashMap<String, String>();
    for (Object entry : value.entrySet()) {
        Map.Entry e = (Map.Entry) entry;
        if (StringUtils.isEmpty(prefix)) {
            map.putAll(this.convert(e.getKey().toString(), e.getValue()));
        } else {
            map.putAll(this.convert(prefix + "[" + e.getKey() + "]", e.getValue()));
        }
    }
    return map;
}

From source file:net.opentsdb.contrib.tsquare.ExtendedTsdbMetricParser.java

private Aggregator determineAggregator(final String metricName, final String aggregatorName) {
    Aggregator agg;//from www  .j  av a 2s . co m

    if (StringUtils.isEmpty(aggregatorName) || AUTO_AGGREGATOR.equals(aggregatorName)) {
        agg = aggregatorFactory.getAggregatorForMetric(metricName);
        agg = (agg == null) ? defaultAggregator : agg;
    } else {
        agg = aggregatorFactory.getAggregatorByName(aggregatorName);
        Preconditions.checkState(agg != null, "Unknown aggregator: %s", aggregatorName);
    }

    return agg;
}

From source file:de.dlopes.stocks.facilitator.data.StockInfo.java

public void setKPI(StockKPI.TYPE type, BigDecimal value) throws IllegalArgumentException {

    boolean found = false;

    // guard: we can only accept non-null providers
    if (type == null) {
        throw new IllegalArgumentException("type must not be null");
    }//from  w  w w. j a v a 2s  . c o m

    // guard: we can only accept non-empty values       
    if (StringUtils.isEmpty(value)) {
        return;
    }

    // if the list of KPIs does not exist yet, then we have to create it in order to 
    // avoid a NPE in the next step
    if (kpis == null) {
        kpis = new ArrayList<StockKPI>();
    }

    // try to find an existing KPI entry in order to carry out an update 
    for (StockKPI tmp : kpis) {
        if (type.equals(tmp.getType())) {
            tmp.setValue(value);
            found = true;
            break; // leave the as we have updated the KPI already
        }
    }

    // Guard: if existing KPI was found, then skip further processing
    if (found) {
        return;
    }

    // create and add a new KPI entry
    StockKPI kpi = new StockKPI(type, value, this);
    kpis.add(kpi);

}

From source file:com.scf.core.EnvTest.java

public static List<Date> getSelectableDateTimeList() {
    String deliveryCycle = "7";

    if (StringUtils.isEmpty(deliveryCycle)) {
        throw new AppException(ExCode.SYS_002);
    }//from  w w  w  .  ja  v  a2s. c om

    Date curDate = DatetimeUtilies.currentDay();

    List<Date> selectableDateList = new ArrayList<Date>(Integer.valueOf(deliveryCycle));
    Calendar tomorrow = Calendar.getInstance();
    tomorrow.setTime(curDate);

    int i = 0;
    String[] d = { "07", "16" };
    while (i < Integer.valueOf(deliveryCycle)) {
        tomorrow.add(Calendar.DATE, 1);
        for (String deliveryHour : d) {
            Calendar tomorrowDetail = Calendar.getInstance();
            tomorrowDetail.setTime(tomorrow.getTime());
            tomorrowDetail.set(Calendar.HOUR_OF_DAY, Integer.parseInt(deliveryHour));
            selectableDateList.add(tomorrowDetail.getTime());
        }
        i++;
    }

    return selectableDateList;
}

From source file:org.appverse.web.framework.backend.frontfacade.mvc.schema.services.presentation.SchemaGeneratorServiceImpl.java

@RequestMapping(value = "/entity/{entity}.schema.json", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<JsonSchema> generateSchemaByEntityName2(@PathVariable("entity") String entity) {
    JsonSchema schema = null;//from ww w. j a  v a  2 s  .  c om
    if (StringUtils.isEmpty(entity)) {
        throw new PresentationException("invalid content");
    }
    try {
        Class<?> clazz = Class.forName(entity);
        schema = entityConverter.convert(clazz, TypeDescriptor.valueOf(String.class),
                TypeDescriptor.valueOf(JsonSchema.class));

    } catch (ClassNotFoundException nsme) {
        throw new PresentationException("invalid class:" + entity, nsme);
    } catch (NullPointerException npe) {
        // workarround where entity have a setter without getter it fails to parse
        throw new PresentationException("entity have setter without getter", npe);
    }
    return ResponseEntity.ok().contentType(APPLICATION_SCHEMA_JSON).body(schema);
}

From source file:com.sastix.cms.server.services.cache.hazelcast.HazelcastCacheService.java

@Override
public CacheDTO getCachedResource(QueryCacheDTO queryCacheDTO) throws DataNotFound, CacheValidationException {
    LOG.info("HazelcastCacheService->getCachedResource ({})",
            queryCacheDTO != null ? queryCacheDTO.toString() : "null");
    nullValidationChecker(queryCacheDTO, QueryCacheDTO.class);
    String cacheKey = queryCacheDTO.getCacheKey();

    if (cacheKey == null) {
        throw new CacheValidationException("You cannot get a cache a resource with a null key");
    }/*from   www.  jav a 2s  .co  m*/

    String cacheRegion = queryCacheDTO.getCacheRegion();
    CacheDTO cacheDTO;
    if (!StringUtils.isEmpty(cacheRegion)) { // GET from cache region
        ConcurrentMap<String, CacheDTO> cMap = cm.getCache(cacheRegion);
        cacheDTO = cMap.get(cacheKey);
    } else {// GET from default cache
        cacheDTO = this.cache.get(cacheKey);
    }

    boolean hasExpired = cacheFileUtilsService.isExpiredCachedResource(cacheDTO);

    if (hasExpired) {
        // Delete from cache silently and return null
        RemoveCacheDTO removeCacheDTO = new RemoveCacheDTO();
        removeCacheDTO.setCacheKey(cacheKey);
        removeCacheDTO.setCacheRegion(cacheRegion);
        removeCachedResource(removeCacheDTO);
        cacheDTO = null;
    }

    if (cacheDTO == null) {
        throw new DataNotFound("A cached resource could not be found with the given key: " + cacheKey);
    }
    return cacheDTO;
}

From source file:burstcoin.jminer.core.network.Network.java

public void checkNetworkState() {
    String server = poolMining ? poolServer : soloServer;
    if (!StringUtils.isEmpty(server)) {
        NetworkRequestMiningInfoTask networkRequestMiningInfoTask = context
                .getBean(NetworkRequestMiningInfoTask.class);
        networkRequestMiningInfoTask.init(server, blockNumber, poolMining, connectionTimeout,
                defaultTargetDeadline, devPool);
        networkPool.execute(networkRequestMiningInfoTask);
    }/* w  w w .j  a v  a 2 s  . c  o  m*/
}

From source file:org.venice.piazza.servicecontroller.data.mongodb.accessors.MongoAccessor.java

@PostConstruct
private void initialize() {
    try {// w  ww.  jav a  2  s  .  com
        MongoClientOptions.Builder builder = new MongoClientOptions.Builder();
        // Enable SSL if the `mongossl` Profile is enabled
        if (Arrays.stream(environment.getActiveProfiles()).anyMatch(env -> env.equalsIgnoreCase("mongossl"))) {
            builder.sslEnabled(true);
            builder.sslInvalidHostNameAllowed(true);
        }
        // If a username and password are provided, then associate these credentials with the connection
        if ((!StringUtils.isEmpty(DATABASE_USERNAME)) && (!StringUtils.isEmpty(DATABASE_CREDENTIAL))) {
            mongoClient = new MongoClient(new ServerAddress(DATABASE_HOST, DATABASE_PORT),
                    Arrays.asList(MongoCredential.createCredential(DATABASE_USERNAME, DATABASE_NAME,
                            DATABASE_CREDENTIAL.toCharArray())),
                    builder.threadsAllowedToBlockForConnectionMultiplier(mongoThreadMultiplier).build());
        } else {
            mongoClient = new MongoClient(new ServerAddress(DATABASE_HOST, DATABASE_PORT),
                    builder.threadsAllowedToBlockForConnectionMultiplier(mongoThreadMultiplier).build());
        }

    } catch (Exception exception) {
        LOGGER.error(String.format("Error connecting to MongoDB Instance. %s", exception.getMessage()),
                exception);

    }
}

From source file:com.github.springfox.loader.SpringfoxLoaderConfig.java

@Override
public void addViewControllers(ViewControllerRegistry registry) {
    if (!StringUtils.isEmpty(springfoxLoader.swaggerUiBasePath())) {
        registry.addRedirectViewController(resourcePath("/v2/api-docs"), "/v2/api-docs");
        registry.addRedirectViewController(resourcePath("/swagger-resources/configuration/ui"),
                "/swagger-resources/configuration/ui");
        registry.addRedirectViewController(resourcePath("/swagger-resources/configuration/security"),
                "/swagger-resources/configuration/security");
        registry.addRedirectViewController(resourcePath("/swagger-resources"), "/swagger-resources");
    }//from   www.j a  v a2  s  . co m
}

From source file:com.reactivetechnologies.platform.Configurator.java

/**
 * Jar module loader./*www.  j a va2 s . c  o m*/
 * @return
 */
@Bean
@Conditional(RestEnabledCondition.class)
public JarModuleLoader dllLoader() {
    try {
        if (StringUtils.isEmpty(dllRoot))
            throw new BeanCreationException("'restserver.jaxrs.extDir' path not found");
        File f = ResourceLoaderHelper.loadFromFileOrClassPath(dllRoot, false);
        return new JarModuleLoader(f);
    } catch (IOException e) {
        throw new BeanCreationException("'restserver.jaxrs.extDir' path not found", e);
    }
}