Example usage for java.util List stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:Main.java

public static <T> List<T> subListOn(List<T> list, Predicate<T> predicate) {
    Optional<T> first = list.stream().filter(predicate).findFirst();
    if (!first.isPresent())
        return list;
    return list.subList(0, list.indexOf(first.get()));
}

From source file:Main.java

static public <E> String mkString(List<E> list, Function<E, String> stringify, String delimiter) {
    return list.stream().map(stringify).collect(Collectors.joining(delimiter));
}

From source file:de.dhbw.vetaraus.SanitizeUtils.java

public static List<Case> sanitizeCases(List<Case> cases) {
    return cases.stream()
            .map(c -> new Case(c.getNumber(), sanitizeRecordValue(c.getAge()),
                    sanitizeRecordValue(c.getGender()), sanitizeRecordValue(c.getMarried()),
                    sanitizeRecordValue(c.getChildCount()), sanitizeRecordValue(c.getDegree()),
                    sanitizeRecordValue(c.getOccupation()), sanitizeRecordValue(c.getIncome()), c.getTariff()))
            .collect(Collectors.toList());
}

From source file:com.synopsys.integration.util.EnumUtils.java

public static <T extends Enum<T>> List<T> convert(List<String> values, Class<T> enumClass) {
    return values.stream().map(String::trim).filter(StringUtils::isNotBlank)
            .map(token -> Enum.valueOf(enumClass, token)).collect(Collectors.toList());
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <TargetType, CurrentType> List<TargetType> cast(List<CurrentType> list,
        Class<TargetType> targetClass) {
    return list.stream().map(e -> (TargetType) e).collect(Collectors.toList());
}

From source file:com.github.blindpirate.gogradle.util.CollectionUtils.java

public static <T> List<T> flatten(List<List<T>> lists) {
    return lists.stream().collect(ArrayList::new, ArrayList::addAll, ArrayList::addAll);
}

From source file:com.khartec.waltz.jobs.sample.FlowGenerator.java

private static EntityReference randomAppPick(List<Application> apps, long orgUnitId) {
    List<Application> appsForOU = apps.stream().filter(a -> a.organisationalUnitId() == orgUnitId)
            .collect(toList());//from ww  w  .  j  a v a 2s.  co m
    return randomPick(appsForOU).toEntityReference();
}

From source file:newcontroller.handler.impl.HttpMessageConvertersHelper.java

static HttpMessageConverter<?> findConverter(List<HttpMessageConverter<?>> converters, Class<?> clazz,
        MediaType mediaType) {//from  www. j  a v  a2 s  . c o m
    return converters.stream().filter(converter -> converter.canWrite(clazz, mediaType)).findFirst()
            .orElseThrow(() -> new IllegalStateException(
                    "Cannot find HttpMessageConverter for clazz=" + clazz + ", mediaType=" + mediaType));
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.provider.KubernetesModelUtil.java

private static boolean anyDown(List<Map<String, String>> healthsList) {
    return healthsList.stream().anyMatch(h -> stateEquals(h, HealthState.Down));
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.provider.KubernetesModelUtil.java

private static boolean anyStarting(List<Map<String, String>> healthsList) {
    return healthsList.stream().anyMatch(h -> stateEquals(h, HealthState.Starting));
}