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:org.jclouds.rackspace.cloudloadbalancers.v1.functions.ParseNestedBoolean.java

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

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

    return Iterables.get(Iterables.get(map.values(), 0).values(), 0);
}

From source file:com.zimbra.client.ZPrefs.java

/**
 * @param name name of pref to get/*from w  w w. j  a v a2 s.c  om*/
 * @return null if unset, or first value in list
 */
public String get(String name) {
    Collection<String> values = mPrefs.get(name);
    if (values == null || values.isEmpty()) {
        return null;
    }
    return Iterables.get(values, 0);
}

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

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

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

    return Iterables.get(Iterables.get(map.values(), 0).values(), 0);
}

From source file:org.jclouds.virtualbox.util.MachineNameOrIdAndNicSlot.java

public static MachineNameOrIdAndNicSlot fromString(String machineNameOrIdAndNicSlotString) {
    Iterable<String> splittedString = Splitter.on(SEPARATOR).split(machineNameOrIdAndNicSlotString);
    checkState(Iterables.size(splittedString) == 2);
    String machineNameOrId = Strings.nullToEmpty(Iterables.get(splittedString, 0));
    String nicSlotString = Strings.nullToEmpty(Iterables.get(splittedString, 1));
    checkArgument(!nicSlotString.startsWith("+"), "Unparseable slot number: %s", nicSlotString);
    try {//from  w w w  .  j  a v  a  2s .c  o m
        long slot = Long.parseLong(nicSlotString);
        checkArgument(isValidSlot(slot), "Slot number out of range: %s", nicSlotString);
        return new MachineNameOrIdAndNicSlot(machineNameOrId, slot);
    } catch (NumberFormatException e) {
        throw new IllegalArgumentException("Unparseable slot number: " + nicSlotString);
    }
}

From source file:org.jclouds.s3.blobstore.functions.LocationFromBucketLocation.java

@Inject
LocationFromBucketLocation(S3Client client, @Memoized Supplier<Set<? extends Location>> locations) {
    this.client = client;
    this.onlyLocation = locations.get().size() == 1 ? Iterables.get(locations.get(), 0) : null;
    this.locations = locations;
}

From source file:org.jclouds.vcloud.compute.util.VCloudComputeUtils.java

public static LoginCredentials getCredentialsFrom(VApp vApp) {
    return vApp.getChildren().size() > 0 ? getCredentialsFrom(Iterables.get(vApp.getChildren(), 0)) : null;
}

From source file:eu.numberfour.n4js.ui.preferences.ExternalLibraryTreeContentProvider.java

@Override
public void updateElement(final Object parent, final int index) {
    if (treeViewerRef.isPresent()) {
        final TreeViewer treeViewer = treeViewerRef.get();
        if (parent instanceof Iterable) {
            final Object child = Iterables.get((Iterable<?>) parent, index);
            treeViewer.replace(parent, index, child);
            if (child instanceof URI) {
                treeViewer.setChildCount(child, Iterables.size(getProjects((URI) child)));
            }/*from w w w .ja  v a  2 s.  com*/
        } else if (parent instanceof URI) {
            final IN4JSProject child = Iterables.get(getProjects((URI) parent), index);
            treeViewer.replace(parent, index, child);
        }
    }
}

From source file:com.github.benmanes.caffeine.cache.node.NodeRule.java

protected final Strength keyStrength() {
    return strengthOf(Iterables.get(context.generateFeatures, 0));
}

From source file:org.jclouds.http.internal.TrackingJavaUrlHttpCommandExecutorService.java

public static Invokable<?, ?> getInvokerOfRequestAtIndex(final Collection<HttpCommand> commandsInvoked,
        int index) {
    return getInvokerOfRequest(Iterables.get(commandsInvoked, index));
}

From source file:brooklyn.location.basic.Machines.java

public static Maybe<String> getSubnetIp(Location where) {
    // TODO Too much duplication between the ip and hostname methods
    String result = null;/*from  ww w  . j ava2  s.c  om*/
    if (where instanceof HasSubnetHostname) {
        result = ((HasSubnetHostname) where).getSubnetIp();
    }
    if (where instanceof HasNetworkAddresses) {
        Set<String> privateAddrs = ((HasNetworkAddresses) where).getPrivateAddresses();
        if (privateAddrs.size() > 0) {
            result = Iterables.get(privateAddrs, 0);
        }
    }
    if (result == null && where instanceof MachineLocation) {
        InetAddress addr = ((MachineLocation) where).getAddress();
        if (addr != null)
            result = addr.getHostAddress();
    }
    log.debug("computed hostname {} for {}", result, where);
    return Maybe.fromNullable(result);
}