Example usage for java.util Collection stream

Introduction

In this page you can find the example usage for java.util Collection stream.

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:ch.sdi.report.SdiReporter.java

private void appendPersonList(StringBuilder aSb, Collection<?> list) {
    list.stream().filter(p -> p instanceof Person).map(p -> Person.class.cast(p))
            .forEach(p -> appendSimplePerson(aSb, p));
}

From source file:com.hortonworks.registries.schemaregistry.HAServerNotificationManager.java

public void refreshServerInfo(Collection<HostConfigStorable> hostConfigStorableList) {
    if (hostConfigStorableList != null) {
        synchronized (UPDATE_ITERATE_LOCK) {
            hostIps.clear();//from w w w  . j  av a  2  s . co  m
            hostConfigStorableList.stream()
                    .filter(hostConfigStorable -> !hostConfigStorable.getHostUrl().equals(serverUrl))
                    .forEach(hostConfig -> {
                        hostIps.add(hostConfig.getHostUrl());
                    });
        }
    }
}

From source file:ch.sdi.report.SdiReporter.java

/**
 * @param aSb//w  w  w . j  a va  2  s. co m
 * @param aList
 * @return
 */
private void appendDatasetList(StringBuilder aSb, Collection<?> aList) {
    aList.stream().filter(p -> p instanceof Dataset).map(p -> Dataset.class.cast(p))
            .forEach(p -> appendDataset(aSb, p));
}

From source file:guru.qas.martini.DefaultMixologist.java

protected StepImplementation getImplementation(Recipe recipe, gherkin.ast.Step step,
        Collection<StepImplementation> implementations) {
    List<StepImplementation> matches = implementations.stream().filter(i -> i.isMatch(step))
            .collect(Collectors.toList());

    StepImplementation match;// w w w .jav  a 2 s  . c om

    int count = matches.size();
    if (1 == count) {
        match = matches.get(0);
    } else if (count > 1) {
        throw new AmbiguousStepException.Builder().setStep(step).setMatches(matches).build();
    } else if (unimplementedStepsFatal) {
        throw new UnimplementedStepException.Builder().setRecipe(recipe).setStep(step).build();
    } else {
        match = getUnimplemented(step);
    }
    return match;
}

From source file:com.nagarro.core.util.ws.impl.AddonAwareMessageSource.java

/**
 * Maps each element of <b>addonsPath</b> to valid message bundle path. Result collection is also filtered to remove
 * empty, invalid and duplicated entries.
 *
 * @param addonsPath//from w ww. j  av a2s  .c o m
 *           paths to transform
 * @param basePath
 *           from where result path should start
 * @return collection of paths to message bundles
 */
protected Collection<String> mapAddonLocation(final Collection<String> addonsPath, final String basePath) {
    return addonsPath.stream().map(p -> formatPath(p, basePath)).filter(StringUtils::isNotBlank)
            .collect(Collectors.toSet());
}

From source file:eu.tripledframework.eventstore.infrastructure.ReflectionObjectConstructor.java

@Override
public T construct(Collection<DomainEvent> events) {
    if (events == null || events.isEmpty()) {
        return null;
    }/*from  ww  w .ja va 2  s . c  om*/

    DomainEvent firstEvent = events.stream().findFirst().get();
    T instance = createInstance(firstEvent);
    LOGGER.debug("Created new {} with event {}", instance.getClass().getSimpleName(), firstEvent);

    events.stream().skip(1).forEach(p -> applyDomainEvent(instance, p));

    invokePostConstructIfNeeded(instance);

    return instance;
}

From source file:com.epam.reportportal.extension.bugtracking.tfs.DescriptionBuilder.java

@Override
public String build(WorkItem workItem, InternalTicket ticket, Collection<String> values) {
    Map<String, Object> templateContext = new HashMap<>();

    /* What is description? */
    templateContext.put("description", values.stream().collect(Collectors.joining("<br>")));

    if ((null != ticket.getComments()) && (!ticket.getComments().trim().isEmpty())) {
        templateContext.put("comments", ticket.getComments());
    }/* ww w.  jav a 2  s. c  o  m*/

    if (null != ticket.getBackLinks()) {
        templateContext.put("backLinks", ticket.getBackLinks());
    }

    if (null != ticket.getLogs()) {
        /* Order of log items is important */
        List<HtmlLogEntry> logData = new LinkedList<>();
        for (InternalTicket.LogEntry log : ticket.getLogs()) {
            String attachmentUrl = null;
            if (null != log.getAttachment()) {
                Attachment attachment = new AttachmentImpl(createFile(log), log.getLog().getLogMsg());
                workItem.getAttachments().add(attachment);
                /* need to save to obtain attachment URL */
                TfsUtils.saveWorkItem(workItem);
                attachmentUrl = attachment.getURL().toString();
            }
            String message = log.getIncludeLogs() ? log.getLog().getLogMsg() : "";
            String screen = Strings.isNullOrEmpty(attachmentUrl) ? null : attachmentUrl;
            boolean isLogs = log.getIncludeLogs();
            HtmlLogEntry entry = new HtmlLogEntry(message, screen, isLogs);
            logData.add(entry);
        }
        templateContext.put("logs", logData);
    }
    return templateEngine.merge(TFS_BUG_TEMPLATE_PATH, templateContext);
}

From source file:com.epam.ta.reportportal.auth.UserRoleHierarchy.java

@Override
public Collection<? extends GrantedAuthority> getReachableGrantedAuthorities(
        Collection<? extends GrantedAuthority> authorities) {

    if ((authorities == null) || (authorities.isEmpty())) {
        return AuthorityUtils.NO_AUTHORITIES;
    }/*from ww w . ja  v  a2 s.c om*/

    List<GrantedAuthority> reachableRoles = authorities.stream()
            .filter(authority -> authoritiesMap.containsKey(authority))
            .flatMap(authority -> authoritiesMap.get(authority).stream()).collect(Collectors.toList());

    if (logger.isDebugEnabled()) {
        logger.debug("getReachableGrantedAuthorities() - From the roles " + authorities + " one can reach "
                + reachableRoles + " in zero or more steps.");
    }

    return reachableRoles;
}

From source file:org.obiba.mica.web.model.StudySummaryDtos.java

List<Mica.StudySummaryDto> asDtos(Collection<String> studyIds) {
    return studyIds.stream().map(this::asDto).collect(Collectors.toList());
}

From source file:eu.java.pg.jsonb.types.JSONBUserType.java

@SuppressWarnings("unchecked")
@Override//from w  w  w  .j  a  v a 2s  .c  om
public Object deepCopy(Object value) throws HibernateException {

    if (!(value instanceof Collection)) {
        return value;
    }

    Collection<?> collection = (Collection) value;
    Collection collectionClone = CollectionFactory.newInstance(collection.getClass());

    collectionClone.addAll(collection.stream().map(this::deepCopy).collect(Collectors.toList()));

    return collectionClone;
}