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

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:com.mirth.connect.server.api.servlets.AlertServlet.java

@Override
public List<AlertModel> getAlerts(Set<String> alertIds) {
    try {//from w w  w. ja va  2s . com
        if (CollectionUtils.isEmpty(alertIds)) {
            return alertController.getAlerts();
        }

        List<AlertModel> alerts = new ArrayList<AlertModel>();
        for (AlertModel alert : alertController.getAlerts()) {
            if (alertIds.contains(alert.getId())) {
                alerts.add(alert);
            }
        }
        return alerts;
    } catch (ControllerException e) {
        throw new MirthApiException(e);
    }
}

From source file:io.cloudslang.lang.runtime.bindings.ParallelLoopBinding.java

public List<Value> bindParallelLoopList(LoopStatement parallelLoopStatement, Context flowContext,
        Set<SystemProperty> systemProperties, String nodeName) {
    Validate.notNull(parallelLoopStatement, "parallel loop statement cannot be null");
    Validate.notNull(flowContext, "flow context cannot be null");
    Validate.notNull(systemProperties, "system properties cannot be null");
    Validate.notNull(nodeName, "node name cannot be null");

    List<Value> result;//  w w w .j  ava 2 s.c o m
    try {
        Value evalResult = scriptEvaluator.evalExpr(parallelLoopStatement.getExpression(),
                flowContext.getImmutableViewOfVariables(), systemProperties,
                parallelLoopStatement.getFunctionDependencies());

        evalResult = getEvalResultForMap(evalResult, parallelLoopStatement,
                parallelLoopStatement.getExpression());

        result = (List<Value>) getIterableFromEvalResult(evalResult);
    } catch (Throwable t) {
        throw new RuntimeException(generateParallelLoopExpressionMessage(nodeName, t.getMessage()), t);
    }
    if (CollectionUtils.isEmpty(result)) {
        throw new RuntimeException(generateParallelLoopExpressionMessage(nodeName, "expression is empty"));
    }
    return result;
}

From source file:net.ontopia.topicmaps.rest.v1.TMObjectController.java

public TMObjectIF resolve(TopicMapIF tm, String objectId, Collection<URILocator> itemIdentifiers) {
    if (objectId != null) {
        return tm.getObjectById(objectId);
    }/*  w  w  w.jav a  2 s.  c o m*/

    if (!CollectionUtils.isEmpty(itemIdentifiers)) {
        for (URILocator ii : itemIdentifiers) {
            TMObjectIF objectByItemIdentifier = tm.getObjectByItemIdentifier(ii);
            if (objectByItemIdentifier != null) {
                return objectByItemIdentifier;
            }
        }
    }

    return null;
}

From source file:net.birelian.xmltoyaml.Main.java

/**
 * Execute application/*from www  . j a  v  a 2s.  c o  m*/
 *
 * @throws ApplicationException If any
 */
private void execute() throws ApplicationException {

    // Check that output directory exists. Create if it doesn't.
    checkOutputDirectory();

    // First try to read files from the SOURCE dir in the classpath
    List<String> files = getFileListFromClasspath();

    // If files is empty try to get them from SOURCE dir in the file system
    if (CollectionUtils.isEmpty(files)) {
        files = getFilesFromFileSystem();
    }

    // Convert files
    for (String file : files) {
        processFile(file);
    }
}

From source file:com.hp.autonomy.frontend.find.core.savedsearches.FieldTextParserImpl.java

private FieldText rangesToFieldText(final Collection<ParametricRange> parametricRanges) {
    if (CollectionUtils.isEmpty(parametricRanges)) {
        return null;
    } else {/*w  w w  .  j a v a2  s  .  c o m*/
        final Iterator<ParametricRange> iterator = parametricRanges.iterator();
        FieldText fieldText = rangeToFieldText(iterator.next());
        while (iterator.hasNext()) {
            fieldText = fieldText.AND(rangeToFieldText(iterator.next()));
        }

        return fieldText;
    }
}

From source file:com.jkoolcloud.tnt4j.streams.scenario.WsScenarioStep.java

/**
 * Checks if scenario step has no requests defined.
 *
 * @return flag indicating scenario has no requests defined
 *//*w  ww  . j  av a  2  s.  c  o m*/
public boolean isEmpty() {
    return CollectionUtils.isEmpty(requests);
}

From source file:cop.raml.utils.javadoc.MethodJavaDoc.java

@NotNull
private static TagReturn getReturn(List<String> doc) {
    if (CollectionUtils.isEmpty(doc))
        return TagReturn.NULL;

    Matcher matcher;//from www.ja v  a 2s  . c  o m
    StringBuilder buf = null;

    for (String line : doc) {
        line = line.trim();

        if ((matcher = JavaDocTag.RETURN.getPattern().matcher(line)).find())
            buf = new StringBuilder(StringUtils.defaultString(matcher.group("text"), ""));
        else if (buf != null) {
            if (TAG.matcher(line).find())
                return createTagReturn(buf.toString());

            buf.append(buf.length() > 0 ? '\n' : "").append(line);
        }
    }

    return createTagReturn(buf != null ? buf.toString() : null);
}

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

@Override
@DontCheckAuthorized/*from  w  w w .  ja v a 2  s.c o m*/
public List<Channel> getChannels(Set<String> channelIds, boolean pollingOnly) {
    if (CollectionUtils.isNotEmpty(channelIds)) {
        parameterMap.put("channelIds", channelIds);
    }
    if (!isUserAuthorized()) {
        return new ArrayList<Channel>();
    }

    List<Channel> channels;
    if (CollectionUtils.isEmpty(channelIds)) {
        channels = redactChannels(channelController.getChannels(null));
    } else {
        channels = channelController.getChannels(redactChannelIds(channelIds));
    }

    if (pollingOnly) {
        retainPollingChannels(channels);
    }

    return channels;
}

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

/**
 * Resolves desired object name from provided fully qualified object name. Fully qualified object name can be
 * provided as {@link String}, {@link org.w3c.dom.Node} or {@link org.w3c.dom.NodeList} (first node item containing
 * object name)./*  w  w  w . j a  v a 2  s. co  m*/
 * <p>
 * function arguments sequence:
 * <ul>
 * <li>1 - fully qualified object name. Required.</li>
 * <li>2 - resolution options: DEFAULT, BEFORE, AFTER, REPLACE, SECTION, FULL. Optional.</li>
 * <li>3 - search symbols. Optional.</li>
 * <li>4 - replacement symbols. Optional</li>
 * </ul>
 *
 * @param args
 *            function arguments list
 * @return object name resolved form provided fully qualified object name
 *
 * @see org.w3c.dom.Node
 * @see org.w3c.dom.NodeList
 */
@Override
@SuppressWarnings("rawtypes")
public Object evaluate(List args) {
    Object param = CollectionUtils.isEmpty(args) ? null : args.get(0);

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

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

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

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

    return resolveObjectName(objectFQN, args);
}

From source file:io.kodokojo.service.SmtpEmailSender.java

@Override
public void send(List<String> to, List<String> cc, List<String> ci, String subject, String content,
        boolean htmlContent) {
    if (CollectionUtils.isEmpty(to)) {
        throw new IllegalArgumentException("to must be defined.");
    }// www. j  a  va2  s  .  c  om
    if (isBlank(content)) {
        throw new IllegalArgumentException("content must be defined.");
    }
    Session session = Session.getDefaultInstance(properties, new Authenticator() {
        @Override
        protected PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(username, password);
        }
    });
    Message message = new MimeMessage(session);
    try {
        message.setFrom(from);
        message.setSubject(subject);
        InternetAddress[] toInternetAddress = convertToInternetAddress(to);
        message.setRecipients(Message.RecipientType.TO, toInternetAddress);
        if (CollectionUtils.isNotEmpty(cc)) {
            InternetAddress[] ccInternetAddress = convertToInternetAddress(cc);
            message.setRecipients(Message.RecipientType.CC, ccInternetAddress);
        }
        if (CollectionUtils.isNotEmpty(ci)) {
            InternetAddress[] ciInternetAddress = convertToInternetAddress(ci);
            message.setRecipients(Message.RecipientType.BCC, ciInternetAddress);
        }
        if (htmlContent) {
            message.setContent(content, "text/html");
        } else {
            message.setText(content);
        }
        message.setHeader("X-Mailer", "Kodo Kojo mailer");
        message.setSentDate(new Date());
        Transport.send(message);

    } catch (MessagingException e) {
        LOGGER.error("Unable to send email to {} with subject '{}'", StringUtils.join(to, ","), subject, e);
    }
}