Example usage for com.google.common.collect Iterables get

Introduction

In this page you can find the example usage for com.google.common.collect Iterables get.

Prototype

public static <T> T get(Iterable<T> iterable, int position)

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:edu.harvard.med.screensaver.ui.arch.util.UISelectOneBean.java

@Override
final public void setDomain(Collection<T> objects) {
    setDomain(objects, objects.size() > 0 ? Iterables.get(objects, 0) : null);
}

From source file:com.replaymod.replaystudio.pathing.TimelineTestsBase.java

protected PathSegment actualSegment(int index) {
    return Iterables.get(path.getSegments(), index);
}

From source file:org.jclouds.cloudsigma.functions.SplitNewlinesAndReturnSecondField.java

@Override
public Set<String> apply(HttpResponse response) {
    return ImmutableSet
            .copyOf(Iterables.filter(Iterables.transform(super.apply(response), new Function<String, String>() {

                @Override/*  w  ww .  j a  v  a 2s.  co  m*/
                public String apply(String arg0) {
                    if (arg0 == null)
                        return null;
                    Iterable<String> parts = Splitter.on(' ').split(arg0);
                    if (Iterables.size(parts) == 2)
                        return Iterables.get(parts, 1);
                    else if (Iterables.size(parts) == 1)
                        return Iterables.get(parts, 0);
                    return null;
                }

            }), Predicates.notNull()));
}

From source file:org.jclouds.vcloud.functions.OrgNameAndCatalogNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgCatalog = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgCatalog, 0);
    Object catalog = Iterables.get(orgCatalog, 1);
    if (org == null && catalog == null)
        return defaultUri;
    else if (org == null)
        org = defaultOrg;/*from   ww w  . j a  v a2 s.c  o  m*/

    try {
        Map<String, ReferenceType> catalogs = checkNotNull(orgMap.get().get(org)).getCatalogs();
        return catalog == null ? Iterables.getLast(catalogs.values()).getHref()
                : catalogs.get(catalog).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + catalog + " not found in " + orgMap.get());
    }
}

From source file:org.jclouds.rackspace.cloudloadbalancers.v1.functions.ParseAlgorithms.java

@Override
public List<String> apply(HttpResponse response) {
    Map<String, List<Map<String, String>>> map = json.apply(response);

    if (map == null || map.size() == 0)
        throw new HttpResponseException("Unexpected JSON format returned.", null, response);

    List<Map<String, String>> list = Iterables.get(map.values(), 0);
    List<String> algorithms = Lists.newArrayList();

    for (Map<String, String> nameAlgorithmPair : list) {
        algorithms.add(Iterables.get(nameAlgorithmPair.values(), 0));
    }//  ww w .java  2s  .  co m

    return algorithms;
}

From source file:com.google.devtools.build.lib.syntax.SelectorValue.java

public SelectorValue(Map<?, ?> dictionary, String noMatchError) {
    // Put the dict through a sorting to avoid depending on insertion order.
    this.dictionary = ImmutableMap.copyOf(new TreeMap<>(dictionary));
    this.type = dictionary.isEmpty() ? Object.class : Iterables.get(dictionary.values(), 0).getClass();
    this.noMatchError = noMatchError;
}

From source file:org.apache.brooklyn.location.basic.HostLocationResolver.java

@SuppressWarnings("rawtypes")
@Override/*from w w w  . java2 s  . c  o  m*/
public Location newLocationFromString(Map locationFlags, String spec, LocationRegistry registry) {
    // Extract args from spec
    ParsedSpec parsedSpec = specParser.parse(spec);
    Map<String, String> argsMap = parsedSpec.argsMap;
    if (argsMap.isEmpty()) {
        throw new IllegalArgumentException("Invalid host spec (no host supplied): " + spec);
    } else if (argsMap.size() == 1 && Iterables.get(argsMap.values(), 0) == null) {
        // only given ip or hostname
        argsMap = ImmutableMap.of("hosts", Iterables.get(argsMap.keySet(), 0));
    } else if (!(argsMap.containsKey("host") || argsMap.containsKey("hosts"))) {
        throw new IllegalArgumentException("Invalid host spec (no host supplied): " + spec);
    }

    // Find generic applicable properties
    Map globalProperties = registry.getProperties();
    String namedLocation = (String) locationFlags.get(LocationInternal.NAMED_SPEC_NAME.getName());
    Map<String, Object> filteredProperties = new LocationPropertiesFromBrooklynProperties()
            .getLocationProperties(null, namedLocation, globalProperties);
    ConfigBag flags = ConfigBag.newInstance(locationFlags).putIfAbsent(filteredProperties);
    flags.remove(LocationInternal.NAMED_SPEC_NAME);

    // Generate target spec
    String target = "byon(" + KeyValueParser.toLine(argsMap) + ")";
    Maybe<Location> testResolve = managementContext.getLocationRegistry().resolve(target, false, null);
    if (!testResolve.isPresent()) {
        throw new IllegalArgumentException(
                "Invalid target location '" + target + "' for location '" + HOST + "': "
                        + Exceptions.collapseText(((Absent<?>) testResolve).getException()),
                ((Absent<?>) testResolve).getException());
    }

    return managementContext.getLocationManager()
            .createLocation(LocationSpec.create(SingleMachineProvisioningLocation.class)
                    .configure("location", target).configure("locationFlags", flags.getAllConfig())
                    .configure(LocationConfigUtils.finalAndOriginalSpecs(spec, locationFlags, globalProperties,
                            namedLocation)));
}

From source file:com.datastax.drivers.jdbc.pool.cassandra.connection.RoundRobinBalancingPolicy.java

private HClientPool getPoolSafely(Collection<HClientPool> pools) {
    try {//from  w  w  w  .j a  v  a  2s .c o  m
        return Iterables.get(pools, getAndIncrement(pools.size()));
    } catch (IndexOutOfBoundsException e) {
        return pools.iterator().next();
    }
}

From source file:org.jclouds.vcloud.functions.OrgNameAndVDCNameToEndpoint.java

@SuppressWarnings("unchecked")
public URI apply(Object from) {
    Iterable<Object> orgVdc = (Iterable<Object>) checkNotNull(from, "args");
    Object org = Iterables.get(orgVdc, 0);
    Object vdc = Iterables.get(orgVdc, 1);
    if (org == null && vdc == null)
        return defaultUri;
    else if (org == null)
        org = defaultOrg;//from   w  w w  .j a  v a2s  .co  m

    try {
        Map<String, ReferenceType> vdcs = checkNotNull(orgNameToVDCEndpoint.get().get(org)).getVDCs();
        return vdc == null ? Iterables.getLast(vdcs.values()).getHref() : vdcs.get(vdc).getHref();
    } catch (NullPointerException e) {
        throw new NoSuchElementException(org + "/" + vdc + " not found in " + orgNameToVDCEndpoint.get());
    }
}

From source file:org.jclouds.rackspace.cloudloadbalancers.functions.ParseConnectionThrottle.java

@Override
public ConnectionThrottle apply(HttpResponse response) {
    Map<String, ConnectionThrottle> map = json.apply(response);

    if (map == null || map.size() == 0)
        throw new HttpResponseException("Unexpected connection throttle format returned.", null, response);

    ConnectionThrottle connectionThrottle = Iterables.get(map.values(), 0);

    return connectionThrottle.isValid() ? connectionThrottle : null;
}