Example usage for org.apache.commons.collections4 CollectionUtils isEmpty

List of usage examples for org.apache.commons.collections4 CollectionUtils isEmpty

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Introduction

In this page you can find the example usage for org.apache.commons.collections4 CollectionUtils isEmpty.

Prototype

public static boolean isEmpty(final Collection<?> coll)

Source Link

Document

Null-safe check if the specified collection is empty.

Usage

From source file:io.cloudslang.lang.compiler.modeller.transformers.AbstractOutputsTransformer.java

public TransformModellingResult<List<Output>> transform(List<Object> rawData) {
    List<Output> transformedData = new ArrayList<>();
    List<RuntimeException> errors = new ArrayList<>();

    if (CollectionUtils.isEmpty(rawData)) {
        return new BasicTransformModellingResult<>(transformedData, errors);
    }//from  w  w  w.  ja v a2s. co m

    for (Object rawOutput : rawData) {
        try {
            if (rawOutput instanceof Map) {

                @SuppressWarnings("unchecked")
                Map.Entry<String, ?> entry = ((Map<String, ?>) rawOutput).entrySet().iterator().next();
                Serializable entryValue = (Serializable) entry.getValue();
                if (entryValue == null) {
                    throw new RuntimeException(
                            "Could not transform Output : " + rawOutput + " since it has a null value.\n\n"
                                    + "Make sure a value is specified or that indentation is properly done.");
                }
                if (entryValue instanceof Map) {
                    // - some_output:
                    //     property1: value1
                    //     property2: value2
                    // this is the verbose way of defining outputs with all of the properties available
                    handleOutputProperties(transformedData, entry, errors);
                } else {
                    // - some_output: some_expression
                    addOutput(transformedData, createOutput(entry.getKey(), entryValue, false), errors);
                }
            } else {
                //- some_output
                //this is our default behavior that if the user specifies only a key,
                // the key is also the ref we look for
                addOutput(transformedData, createRefOutput((String) rawOutput, false), errors);
            }
        } catch (RuntimeException rex) {
            errors.add(rex);
        }
    }
    return new BasicTransformModellingResult<>(transformedData, errors);
}

From source file:co.rsk.validators.BlockTxsValidationRule.java

@Override
public boolean isValid(Block block, Block parent) {
    if (block == null || parent == null) {
        return false;
    }/* w  w w . j av  a 2 s .c o  m*/

    List<Transaction> txs = block.getTransactionsList();
    if (CollectionUtils.isEmpty(txs))
        return true;

    Repository parentRepo = repository.getSnapshotTo(parent.getStateRoot());

    Map<ByteArrayWrapper, BigInteger> curNonce = new HashMap<>();

    for (Transaction tx : txs) {
        byte[] txSender = tx.getSender();
        ByteArrayWrapper key = new ByteArrayWrapper(txSender);
        BigInteger expectedNonce = curNonce.get(key);
        if (expectedNonce == null) {
            expectedNonce = parentRepo.getNonce(txSender);
        }
        curNonce.put(key, expectedNonce.add(ONE));
        BigInteger txNonce = new BigInteger(1, tx.getNonce());

        if (!expectedNonce.equals(txNonce)) {
            logger.error("Invalid transaction: Tx nonce {} != expected nonce {} (parent nonce: {}): {}",
                    txNonce, expectedNonce, parentRepo.getNonce(txSender), tx);

            panicProcessor.panic("invalidtransaction",
                    String.format(
                            "Invalid transaction: Tx nonce %s != expected nonce %s (parent nonce: %s): %s",
                            txNonce.toString(), expectedNonce.toString(),
                            parentRepo.getNonce(txSender).toString(), Hex.toHexString(tx.getHash())));

            return false;
        }
    }

    return true;
}

From source file:io.kodokojo.bdd.MarathonBrickUrlFactory.java

@Override
public String forgeUrl(String entity, String projectName, String stackName, String brickType,
        String brickName) {//from   w  w w.j  a v  a 2  s.  co  m
    Set<Service> services = marathonServiceLocator.getService(brickType, projectName);
    if (CollectionUtils.isEmpty(services)) {
        return fallBack.forgeUrl(entity, projectName, stackName, brickName, brickName);
    } else {
        Service service = services.iterator().next();
        return service.getHost() + ":" + service.getPort();
    }
}

From source file:com.thoughtworks.go.config.SecretParams.java

public static SecretParams union(SecretParams... params) {
    final SecretParams newMergedList = new SecretParams();
    for (SecretParams param : params) {
        if (!CollectionUtils.isEmpty(param)) {
            newMergedList.addAll(param);
        }// w  ww .jav a2  s  .c  o m
    }
    return newMergedList;
}

From source file:com.jkoolcloud.tnt4j.streams.transform.FuncGetFileName.java

/**
 * Resolves file name from provided file path. File path can be provided as {@link String}, {@link Node} or
 * {@link NodeList} (first node item containing file path).
 *
 * @param args//from  w ww  .  j a v a2 s  . co  m
 *            arguments list containing file path as first item
 * @return file name resolved from provided path
 *
 * @see Node
 * @see NodeList
 */
@Override
@SuppressWarnings("rawtypes")
public Object evaluate(List args) {
    Object param = CollectionUtils.isEmpty(args) ? null : args.get(0);

    if (param == null) {
        return param;
    }

    String filePath = null;
    if (param instanceof String) {
        filePath = (String) param;
    } else if (param instanceof Node) {
        filePath = ((Node) param).getTextContent();
    } else if (param instanceof NodeList) {
        NodeList nodes = (NodeList) param;

        if (nodes.getLength() > 0) {
            Node node = nodes.item(0);
            filePath = node.getTextContent();
        }
    }

    if (StringUtils.isEmpty(filePath)) {
        return filePath;
    }

    return filePath.substring(filePath.lastIndexOf(UNIX_PATH_SEPARATOR) + 1)
            .substring(filePath.lastIndexOf(WIN_PATH_SEPARATOR) + 1);
}

From source file:com.mirth.connect.server.api.servlets.ChannelStatusServlet.java

@Override
public List<DashboardStatus> getChannelStatusList(Set<String> channelIds, boolean includeUndeployed) {
    if (CollectionUtils.isEmpty(channelIds)) {
        return redactChannelStatuses(engineController.getChannelStatusList(null, includeUndeployed));
    } else {/*  w w w  .jav  a 2 s  .c om*/
        return engineController.getChannelStatusList(redactChannelIds(channelIds), includeUndeployed);
    }
}

From source file:io.cloudslang.lang.compiler.modeller.transformers.ResultsTransformer.java

@Override
public TransformModellingResult<List<Result>> transform(List rawData, SensitivityLevel sensitivityLevel) {
    List<Result> transformedData = new ArrayList<>();
    List<RuntimeException> errors = new ArrayList<>();

    // If there are no results specified, add the default SUCCESS & FAILURE results
    if (CollectionUtils.isEmpty(rawData)) {
        return postProcessResults(transformedData, errors);
    }/*from w w  w  .ja  va 2s . c  o m*/
    for (Object rawResult : rawData) {
        try {
            if (rawResult instanceof String) {
                //- some_result
                addResult(transformedData, createNoExpressionResult((String) rawResult), errors);
            } else if (rawResult instanceof Map) {
                // - some_result: some_expression
                // the value of the result is an expression we need to evaluate at runtime
                @SuppressWarnings("unchecked")
                Map.Entry<String, Serializable> entry = (Map.Entry<String, Serializable>) (((Map) rawResult)
                        .entrySet()).iterator().next();
                addResult(transformedData, createExpressionResult(entry.getKey(), entry.getValue()), errors);
            }
        } catch (RuntimeException rex) {
            errors.add(rex);
        }
    }
    return postProcessResults(transformedData, errors);
}

From source file:com.sap.csc.poc.ems.persistence.initial.entitlement.EntitlementItemAttributeDataInitializer.java

@Override
public Collection<EntitlementItemAttribute> create() {
    ArrayList<EntitlementItemAttribute> attributes = new ArrayList<>();
    // Software License
    EntitlementType sl = entitlementTypeDataInitializer.getByName("SL");
    // Software License - Item Attributes
    Field[] itemFields = FieldUtils.getAllFields(SoftwareLicenseEntitlementItem.class);
    sl.setItemAttributes(new ArrayList<>(itemFields.length));
    for (Field itemField : itemFields) {
        if (!Modifier.isStatic(itemField.getModifiers()) &&
        // Exclusion from JPA annotations
                CollectionUtils.isEmpty(CollectionUtils.intersection(
                        // Annotations
                        Arrays.asList(itemField.getAnnotations()).stream()
                                .map(annotation -> annotation.annotationType()).collect(Collectors.toList()),
                        // Exclusions
                        EXCLUSION_PROPERTY_ATTRIBUTES)))
            sl.getItemAttributes()/* www  . j  a  va  2  s  .c om*/
                    .add(generateEntitlementAttributes(itemField, new EntitlementItemAttribute()));
    }
    for (EntitlementItemAttribute itemAttribute : sl.getItemAttributes()) {
        itemAttribute.setEntitlementType(sl);
        attributes.add(itemAttribute);
    }

    return attributes;
}

From source file:com.boozallen.cognition.ingest.storm.bolt.enrich.GeoJsonPointReverseArrayBolt.java

String reverseJsonArray(String src) {
    Gson gson = new Gson();
    List list = gson.fromJson(src, List.class);

    if (CollectionUtils.isEmpty(list)) {
        return StringUtils.EMPTY;
    } else {/*from   w w  w  . j ava2 s .c  o m*/
        Collections.reverse(list);
        return gson.toJson(list);
    }
}

From source file:com.mirth.connect.server.api.servlets.EngineServlet.java

@Override
public void deployChannels(Set<String> channelIds, boolean returnErrors) {
    if (CollectionUtils.isEmpty(channelIds)) {
        channelIds = channelController.getChannelIds();
    }/*from  ww w .j  a  va 2 s  .  com*/
    ErrorTaskHandler handler = new ErrorTaskHandler();
    engineController.deployChannels(redactChannelIds(channelIds), context, handler);
    if (returnErrors && handler.isErrored()) {
        throw new MirthApiException(handler.getError());
    }
}