Example usage for org.apache.commons.lang3 StringUtils isBlank

List of usage examples for org.apache.commons.lang3 StringUtils isBlank

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils isBlank.

Prototype

public static boolean isBlank(final CharSequence cs)

Source Link

Document

Checks if a CharSequence is whitespace, empty ("") or null.

 StringUtils.isBlank(null)      = true StringUtils.isBlank("")        = true StringUtils.isBlank(" ")       = true StringUtils.isBlank("bob")     = false StringUtils.isBlank("  bob  ") = false

Usage

From source file:com.thoughtworks.go.validation.PresenceValidator.java

@Override
public ValidationBean validate(String value) {
    if (StringUtils.isBlank(value)) {
        return ValidationBean.notValid(errorMessage);
    } else {/* w  ww.  j  a va 2s  .  com*/
        return ValidationBean.valid();
    }
}

From source file:gov.va.oia.terminology.converters.sharedUtils.umlsUtils.AbbreviationExpansion.java

public static HashMap<String, AbbreviationExpansion> load(InputStream is) throws IOException {
    HashMap<String, AbbreviationExpansion> results = new HashMap<>();

    BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.ISO_8859_1));
    String line = br.readLine();//from www  .  j a v  a2 s  .  c  om
    while (line != null) {
        if (StringUtils.isBlank(line) || line.startsWith("#")) {
            line = br.readLine();
            continue;
        }
        String[] cols = line.split("\t");

        AbbreviationExpansion ae = new AbbreviationExpansion(cols[0], cols[1],
                (cols.length > 2 ? cols[2] : null));

        results.put(ae.getAbbreviation(), ae);
        line = br.readLine();
    }
    return results;
}

From source file:com.j2.cs.webservices.metrofax.server.json.JsonIntegerTypeAdapter.java

@Override
public Number read(JsonReader in) throws IOException {
    if (in.peek() == JsonToken.NULL) {
        in.nextNull();/*w w w .ja  va  2  s  . com*/
        return null;
    }

    try {
        String result = in.nextString();
        if (StringUtils.isBlank(result)) {
            return null;
        }
        return Integer.parseInt(result);
    } catch (NumberFormatException e) {
        return null;
    }
}

From source file:cpcc.core.utils.RealVehicleUtils.java

/**
 * @param areaOfOperation the area of operation as a {@code String}.
 * @return the list of {@code LngLatAlt} depot positions.
 * @throws IOException in case of errors.
 *//*from   ww  w .  j  a  v a  2s  .  co m*/
public static List<PolarCoordinate> getDepotPositions(String areaOfOperation) throws IOException {
    if (StringUtils.isBlank(areaOfOperation)) {
        return Collections.emptyList();
    }

    List<PolarCoordinate> list = new ArrayList<>();
    FeatureCollection fc = new ObjectMapper().readValue(areaOfOperation.replace("\\n", "\n"),
            FeatureCollection.class);

    for (Feature feature : fc.getFeatures()) {
        if (!"depot".equals(feature.getProperty("type"))) {
            continue;
        }

        GeoJsonObject geom = feature.getGeometry();
        LngLatAlt coordinates = ((Point) geom).getCoordinates();
        list.add(new PolarCoordinate(coordinates.getLatitude(), coordinates.getLongitude(), 0.0));
    }

    return list;
}

From source file:com.monarchapis.driver.util.MediaTypeUtils.java

/**
 * Returns the best media type for a specific API request.
 * // ww w  .j  a v  a2s . c  o  m
 * @return the media type.
 */
public static String getBestMediaType(ApiRequest request) {
    String mediaType = null;
    String accept = request.getHeader("Accept");

    if (StringUtils.isNotBlank(accept)) {
        mediaType = MIMEParse.bestMatch(supportedMimeTypes, accept);
    }

    if (StringUtils.isBlank(mediaType)) {
        mediaType = MediaType.APPLICATION_JSON;
    }

    return mediaType;
}

From source file:com.dgtlrepublic.model.test.DataTest.java

@SuppressWarnings("unchecked")
private static void verify(Map entry) throws Exception {
    String fileName = (String) entry.getOrDefault("file_name", "");
    boolean ignore = (Boolean) entry.getOrDefault("ignore", false);
    int id = (Integer) entry.getOrDefault("id", -1);
    HashMap<String, Object> testCases = (HashMap<String, Object>) entry.getOrDefault("results",
            new HashMap<String, Object>());
    if (ignore || StringUtils.isBlank(fileName) || testCases.size() == 0) {
        System.out.println(String.format("Ignoring [%s] : { id: %s | results: %s | explicit: %s }", fileName,
                id, testCases.size(), ignore));
        return;//from  w w  w.j  a  v a2s. c o  m
    }

    System.out.println("Parsing: " + fileName);
    HashMap<String, Object> parseResults = (HashMap<String, Object>) DataJsonConverter.toTestCaseMap(fileName)
            .getOrDefault("results", null);

    for (Entry<String, Object> testCase : testCases.entrySet()) {
        Object elValue = parseResults.get(testCase.getKey());
        if (elValue == null) {
            throw new Exception(String.format("%n[%s] Missing Element: %s [%s]", fileName, testCase.getKey(),
                    testCase.getValue()));
        } else if (elValue instanceof String && !elValue.equals(testCase.getValue())) {
            throw new Exception(String.format("%n[%s] Incorrect Value:(%s) [%s] { required: [%s] } ", fileName,
                    testCase.getKey(), elValue, testCase.getValue()));
        } else if (elValue instanceof List
                && !((List) elValue).containsAll((Collection<?>) testCase.getValue())) {
            throw new Exception(String.format("%n[%s] Incorrect List Values:(%s) [%s] { required: [%s] } ",
                    fileName, testCase.getKey(), elValue, testCase.getValue()));
        }
    }
}

From source file:com.alibaba.event.EventListener.java

@Override
public boolean addEvent(String eventName, IEventCallBack eventCallBack) throws EventException {
    if (StringUtils.isBlank(eventName)) {
        return false;
    }//  w  ww .  j  a  v  a  2s.c o m

    // 
    for (EventModel event : eventList) {
        if (event.getEventName().equals(eventName)) {
            log.error(String.format("add event=%s for listener=%s duplicated!!!", eventName, this.getClass()));
            return false;
        }
    }
    EventModel eventModel = new EventModel();
    eventModel.setEventName(eventName);
    eventModel.setEventCallBack(eventCallBack);
    eventList.add(eventModel);
    return true;
}

From source file:com.oodlemud.appengine.counter.data.CounterShardData.java

/**
 * Helper method to set the internal identifier for this entity.
 * //from  w  ww.  jav a2 s  .co m
 * 
 * 
 * @param counterName
 * 
 * @param shardNumber
 *            A unique identifier to distinguish shards for the same
 * 
 *            {@code counterName} from each other.
 */
private static String constructCounterShardIdentifier(final String counterName, final int shardNumber) {
    Preconditions.checkArgument(!StringUtils.isBlank(counterName),
            "CounterData Names may not be null, blank, or empty!");
    Preconditions.checkArgument(shardNumber >= 0, "shardNumber must be greater than or equal to 0!");
    return counterName + COUNTER_SHARD_KEY_SEPARATOR + shardNumber;
}

From source file:com.github.rvesse.airline.model.AliasMetadata.java

public AliasMetadata(String name, List<String> arguments) {
    if (StringUtils.isBlank(name))
        throw new IllegalArgumentException("Alias name cannot be null/empty/whitespace");
    this.name = name;
    this.arguments = AirlineUtils.unmodifiableListCopy(arguments);
}

From source file:chat.viska.xmpp.Jid.java

private static List<String> parseJidParts(final String rawJid) {
    final List<String> result = Arrays.asList("", "", "");
    if (StringUtils.isBlank(rawJid)) {
        return result;
    }// w  w  w  .j  a v a 2s.c o m

    final int indexOfSlash = rawJid.indexOf("/");

    if (indexOfSlash > 0) {
        result.set(2, rawJid.substring(indexOfSlash + 1, rawJid.length()));
    } else if (indexOfSlash < 0) {
        result.set(2, "");
    } else {
        throw new InvalidJidSyntaxException();
    }

    final String bareJid = indexOfSlash > 0 ? rawJid.substring(0, indexOfSlash) : rawJid;
    final int indexOfAt = rawJid.indexOf("@");
    if (indexOfAt > 0) {
        result.set(0, bareJid.substring(0, indexOfAt));
        result.set(1, bareJid.substring(indexOfAt + 1));
    } else if (indexOfAt < 0) {
        result.set(0, "");
        result.set(1, rawJid);
    } else {
        throw new InvalidJidSyntaxException();
    }
    return result;
}