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

Introduction

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

Prototype

public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns an Optional containing the first element in iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:org.robotstxt4j.model.RobotsTxt.java

public boolean isUserAgentAllowed(final UserAgent userAgent, final RelativePath path) {
    final Optional<DisallowDirective> found = Iterables.tryFind(disallowDirectives,
            new Predicate<DisallowDirective>() {
                @Override/*from  ww w.  ja va  2 s .  co  m*/
                public boolean apply(final DisallowDirective input) {
                    return input.disallows(userAgent, path);
                }
            });

    return !found.isPresent();
}

From source file:io.pelle.mango.client.web.modules.webhook.WebHookModule.java

public Optional<WebhookDefinition> getWebHookDefinitionById(final String id) {
    return Iterables.tryFind(WEBHOOK_DEFINITIONS, new Predicate<WebhookDefinition>() {
        @Override//from www.ja va 2s  . c o m
        public boolean apply(WebhookDefinition input) {
            return input.getId().equals(id);
        }
    });
}

From source file:org.jclouds.vcloud.director.v1_5.functions.URNToAdminHref.java

@Override
public URI apply(@Nullable Object from) {
    checkArgument(checkNotNull(from, "urn") instanceof String, "urn is a String argument");
    Entity entity = resolveEntityCache.getUnchecked(from.toString());
    Optional<Link> link = Iterables.tryFind(entity.getLinks(), typeContainsAdmin);
    checkArgument(link.isPresent(), "no admin link found for entity %s", entity);
    return link.get().getHref();
}

From source file:org.estatio.dom.communicationchannel.PostalAddresses.java

@Programmatic
public PostalAddress findByAddress(final CommunicationChannelOwner owner, final String address1,
        final String postalCode, final String city, final Country country) {

    final List<CommunicationChannelOwnerLink> links = communicationChannelOwnerLinks
            .findByOwnerAndCommunicationChannelType(owner, CommunicationChannelType.POSTAL_ADDRESS);
    final Iterable<PostalAddress> postalAddresses = Iterables.transform(links,
            CommunicationChannelOwnerLink.Functions.communicationChannel(PostalAddress.class));
    final Optional<PostalAddress> postalAddressIfFound = Iterables.tryFind(postalAddresses,
            PostalAddress.Predicates.equalTo(address1, postalCode, city, country));
    return postalAddressIfFound.orNull();
}

From source file:de.brands4friends.daleq.core.internal.types.CachingTableTypeRepository.java

private TableType doGet(final TableTypeReference tableRef) {
    final Optional<TableTypeResolver> resolver = Iterables.tryFind(resolvers,
            new Predicate<TableTypeResolver>() {
                @Override//from  w  w  w. j  a  v a2 s. c  o  m
                public boolean apply(@Nullable final TableTypeResolver resolver) {
                    if (resolver == null) {
                        return false;
                    }
                    return resolver.canResolve(tableRef);
                }
            });
    if (!resolver.isPresent()) {
        throw new DaleqBuildException("No TableTypeResolver registered for " + tableRef);
    }

    return resolver.get().resolve(tableRef);
}

From source file:clocker.docker.entity.microservice.MicroserviceDockerfileImpl.java

@Override
protected void doStart(Collection<? extends Location> locations) {
    Optional<Location> dockerLocation = Iterables.tryFind(getLocations(),
            Predicates.instanceOf(DockerLocation.class));

    if (!dockerLocation.isPresent()) {
        String locationName = DOCKER_LOCATION_PREFIX + getId();
        DockerInfrastructure dockerInfrastructure = addChild(EntitySpec.create(DockerInfrastructure.class)
                .configure(DockerInfrastructure.DOCKER_HOST_CLUSTER_MIN_SIZE, 1)
                .configure(DockerInfrastructure.SDN_ENABLE, false)
                .configure(DockerInfrastructure.LOCATION_NAME, locationName)
                .displayName("Docker Infrastructure"));

        Entities.start(dockerInfrastructure, locations);

        dockerLocation = Optional.of(getManagementContext().getLocationRegistry().resolve(locationName));
    }//w  w w. j av  a2s . c o  m

    Entities.start(vanillaDockerApplication, dockerLocation.asSet());
}

From source file:com.bennavetta.vetinari.build.internal.phase.TemplatePhase.java

private TemplateEngine getTemplateEngine(Page page, Site site) {
    TemplateEngine templateEngine = null;
    // Use the second file extension, if any. The first is for the renderer.
    final String templateExtension = getFileExtension(getNameWithoutExtension(page.getPath().toString()));
    Optional<TemplateEngine> templateEngineFromExtension = Iterables.tryFind(templateEngines,
            t -> Iterables.contains(t.getFileExtensions(), templateExtension));
    if (templateEngineFromExtension.isPresent()) {
        templateEngine = templateEngineFromExtension.get();
    } else if (page.getMetadata().hasPath("templateEngine")) {
        final String templateEngineName = page.getMetadata().getString("templateEngine");
        templateEngine = Iterables.find(templateEngines, t -> templateEngineName.equals(t.getName()));
    } else {//  www  . ja  v  a 2  s .  co m
        templateEngine = Iterables.find(templateEngines,
                t -> site.getDefaultTemplateEngine().equals(t.getName()));
    }
    return templateEngine;
}

From source file:org.killbill.billing.util.nodes.NodeInfoMapper.java

public NodeCommandMetadata deserializeNodeCommand(final String nodeCommand, final String type)
        throws IOException {

    final SystemNodeCommandType systemType = Iterables.tryFind(
            ImmutableList.copyOf(SystemNodeCommandType.values()), new Predicate<SystemNodeCommandType>() {
                @Override//www . j  ava2  s . c o  m
                public boolean apply(final SystemNodeCommandType input) {
                    return input.name().equals(type);
                }
            }).orNull();

    return (systemType != null) ? mapper.readValue(nodeCommand, systemType.getCommandMetadataClass())
            : mapper.readValue(nodeCommand, DefaultNodeCommandMetadata.class);
}

From source file:brooklyn.location.access.PortForwardManagerLocationResolver.java

@Override
public Location newLocationFromString(Map locationFlags, String spec,
        brooklyn.location.LocationRegistry registry) {
    ConfigBag config = extractConfig(locationFlags, spec, registry);
    Map globalProperties = registry.getProperties();
    String namedLocation = (String) locationFlags.get(LocationInternal.NAMED_SPEC_NAME.getName());
    String scope = config.get(PortForwardManager.SCOPE);

    Optional<Location> result = Iterables.tryFind(managementContext.getLocationManager().getLocations(),
            Predicates.and(Predicates.instanceOf(PortForwardManager.class),
                    LocationPredicates.configEqualTo(PortForwardManager.SCOPE, scope)));

    if (result.isPresent()) {
        return result.get();
    } else {/*w w  w  . ja v a 2 s .c o m*/
        PortForwardManager loc = managementContext.getLocationManager()
                .createLocation(LocationSpec.create(PortForwardManagerImpl.class)
                        .configure(config.getAllConfig()).configure(LocationConfigUtils
                                .finalAndOriginalSpecs(spec, locationFlags, globalProperties, namedLocation)));

        if (LOG.isDebugEnabled())
            LOG.debug("Created " + loc + " for scope " + scope);
        return loc;
    }
}

From source file:brooklyn.entity.nosql.redis.RedisStoreImpl.java

@Override
protected void connectSensors() {
    super.connectSensors();

    connectServiceUpIsRunning();/*from ww  w  .  j a  v a 2s .com*/

    // Find an SshMachineLocation for the UPTIME feed
    Optional<Location> location = Iterables.tryFind(getLocations(),
            Predicates.instanceOf(SshMachineLocation.class));
    if (!location.isPresent())
        throw new IllegalStateException("Could not find SshMachineLocation in list of locations");
    SshMachineLocation machine = (SshMachineLocation) location.get();
    String statsCommand = getDriver().getRunDir() + "/bin/redis-cli -p " + getRedisPort() + " info stats";

    sshFeed = SshFeed.builder().entity(this).machine(machine).period(5, TimeUnit.SECONDS)
            .poll(new SshPollConfig<Integer>(UPTIME)
                    .command(getDriver().getRunDir() + "/bin/redis-cli -p " + getRedisPort() + " info server")
                    .onFailureOrException(Functions.constant(-1)).onSuccess(infoFunction("uptime_in_seconds")))
            .poll(new SshPollConfig<Integer>(TOTAL_CONNECTIONS_RECEIVED).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1))
                    .onSuccess(infoFunction("total_connections_received")))
            .poll(new SshPollConfig<Integer>(TOTAL_COMMANDS_PROCESSED).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1))
                    .onSuccess(infoFunction("total_commands_processed")))
            .poll(new SshPollConfig<Integer>(EXPIRED_KEYS).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1)).onSuccess(infoFunction("expired_keys")))
            .poll(new SshPollConfig<Integer>(EVICTED_KEYS).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1)).onSuccess(infoFunction("evicted_keys")))
            .poll(new SshPollConfig<Integer>(KEYSPACE_HITS).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1)).onSuccess(infoFunction("keyspace_hits")))
            .poll(new SshPollConfig<Integer>(KEYSPACE_MISSES).command(statsCommand)
                    .onFailureOrException(Functions.constant(-1)).onSuccess(infoFunction("keyspace_misses")))
            .build();
}