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:com.eucalyptus.auth.ws.EuareRequestLoggingFilter.java

private Collection<String> filterParameter(final Collection<String> parametersOrBody, final String parameter,
        final String redacted) {
    final Optional<String> parameterAndValue = Iterables.tryFind(parametersOrBody,
            Strings.startsWith(parameter));
    if (parameterAndValue.isPresent()) {
        final ArrayList<String> parametersCopy = Lists.newArrayList(parametersOrBody);
        parametersCopy.set(parametersCopy.indexOf(parameterAndValue.get()), redacted);
        return parametersCopy;
    }//from w w w .ja  v  a  2 s  .  co  m
    return parametersOrBody;
}

From source file:org.incode.module.commchannel.dom.impl.postaladdress.PostalAddressRepository.java

@Programmatic
public PostalAddress findByAddress(final Object owner, final String placeId) {

    final List<CommunicationChannelOwnerLink> links = linkRepository
            .findByOwnerAndCommunicationChannelType(owner, CommunicationChannelType.POSTAL_ADDRESS);
    final Iterable<PostalAddress> postalAddresses = Iterables.transform(links,
            CommunicationChannelOwnerLink.Functions.communicationChannel(PostalAddress.class));
    final Optional<PostalAddress> postalAddressIfFound = Iterables.tryFind(postalAddresses,
            input -> Objects.equals(placeId, input.getPlaceId()));
    return postalAddressIfFound.orNull();
}

From source file:brooklyn.networking.portforwarding.DockerPortForwarder.java

public void init(Iterable<? extends Location> locations) {
    Optional<? extends Location> jcloudsLoc = Iterables.tryFind(locations,
            Predicates.instanceOf(JcloudsLocation.class));
    String provider = (jcloudsLoc.isPresent()) ? ((JcloudsLocation) jcloudsLoc.get()).getProvider() : null;
    String endpoint = (jcloudsLoc.isPresent()) ? ((JcloudsLocation) jcloudsLoc.get()).getEndpoint() : null;
    String identity = (jcloudsLoc.isPresent()) ? ((JcloudsLocation) jcloudsLoc.get()).getIdentity() : null;
    String credential = (jcloudsLoc.isPresent()) ? ((JcloudsLocation) jcloudsLoc.get()).getCredential() : null;
    if (jcloudsLoc.isPresent() && "docker".equals(provider)) {
        init(URI.create(endpoint), identity, credential);
    } else {/* w  w w. j  a v  a2 s  . co  m*/
        throw new IllegalStateException("Cannot infer docker host URI from locations: " + locations);
    }
}

From source file:com.thinkbiganalytics.policy.rest.model.BaseUiPolicyRule.java

@JsonIgnore
public FieldRuleProperty getProperty(final String name) {

    return Iterables.tryFind(getProperties(), new Predicate<FieldRuleProperty>() {
        @Override//w ww. j  a va  2 s  . c o  m
        public boolean apply(FieldRuleProperty fieldRuleProperty) {
            return fieldRuleProperty.getName().equalsIgnoreCase(name);
        }
    }).orNull();
}

From source file:org.ow2.petals.cloud.manager.commands.iaas.CreateVMCommand.java

private Provider getProvider(final String account) throws CloudManagerException {
    return Iterables.tryFind(providerRegistryService.get(), new Predicate<Provider>() {
        public boolean apply(org.ow2.petals.cloud.manager.api.deployment.Provider input) {
            return input.getName().equals(account);
        }/*from   w w  w .  j a  v  a2 s  .  c o  m*/
    }).orNull();
}

From source file:clocker.docker.networking.entity.sdn.util.SdnUtils.java

public static final VirtualNetwork lookupNetwork(final SdnProvider provider, final String networkId) {
    Task<Boolean> lookup = TaskBuilder.<Boolean>builder()
            .displayName("Waiting until virtual network is available").body(new Callable<Boolean>() {
                @Override/* w  w w .  j a v  a  2  s  .  com*/
                public Boolean call() throws Exception {
                    return Repeater.create().every(Duration.TEN_SECONDS).until(new Callable<Boolean>() {
                        public Boolean call() {
                            Optional<Entity> found = Iterables.tryFind(
                                    provider.sensors().get(SdnProvider.SDN_NETWORKS).getMembers(),
                                    EntityPredicates.attributeEqualTo(VirtualNetwork.NETWORK_ID, networkId));
                            return found.isPresent();
                        }
                    }).limitTimeTo(Duration.ONE_MINUTE).run();
                }
            }).build();
    Boolean result = DynamicTasks.queueIfPossible(lookup).orSubmitAndBlock().andWaitForSuccess();
    if (!result) {
        throw new IllegalStateException(String.format("Cannot find virtual network entity for %s", networkId));
    }
    VirtualNetwork network = (VirtualNetwork) Iterables.find(
            provider.sensors().get(SdnProvider.SDN_NETWORKS).getMembers(),
            EntityPredicates.attributeEqualTo(VirtualNetwork.NETWORK_ID, networkId));
    return network;
}

From source file:springfox.documentation.spi.service.contexts.OperationContext.java

public Optional<SecurityContext> securityContext() {
    return Iterables.tryFind(getDocumentationContext().getSecurityContexts(), pathMatches());
}

From source file:clocker.docker.networking.entity.VirtualNetworkImpl.java

public NetworkProvisioningExtension findNetworkProvisioner(Collection<? extends Location> locations) {
    Optional<? extends Location> found = Iterables.tryFind(locations, new Predicate<Location>() {
        @Override/*w ww.j  a va  2s.c o m*/
        public boolean apply(Location input) {
            return input.hasExtension(NetworkProvisioningExtension.class);
        }
    });
    if (!found.isPresent()) {
        throw new IllegalStateException(
                "Cannot start a virtual network in any location: " + Iterables.toString(getLocations()));
    }
    NetworkProvisioningExtension provisioner = found.get().getExtension(NetworkProvisioningExtension.class);
    return provisioner;
}

From source file:org.incode.module.commchannel.dom.impl.phoneorfax.PhoneOrFaxNumberRepository.java

private Optional<PhoneOrFaxNumber> findByPhoneOrFaxNumber(final Object owner, final String phoneNumber,
        final CommunicationChannelType communicationChannelType) {
    final List<CommunicationChannelOwnerLink> links = linkRepository
            .findByOwnerAndCommunicationChannelType(owner, communicationChannelType);
    final Iterable<PhoneOrFaxNumber> phoneOrFaxNumbers = Iterables.transform(links,
            CommunicationChannelOwnerLink.Functions.communicationChannel(PhoneOrFaxNumber.class));
    return Iterables.tryFind(phoneOrFaxNumbers,
            PhoneOrFaxNumber.Predicates.equalTo(phoneNumber, communicationChannelType));
}

From source file:brooklyn.entity.waratek.cloudvm.WaratekApplicationGroupImpl.java

public void update() {
    synchronized (layout) {
        layout.clear();/* w  w  w . j  ava 2  s .  co m*/
        if (getMembers().isEmpty())
            return;
        for (Entity member : getMembers()) {
            if (application.compareAndSet(null, member.getApplication())) {
                setAttribute(WARATEK_APPLICATION, application.get());
            }
            Optional<Location> found = Iterables.tryFind(member.getLocations(),
                    Predicates.instanceOf(WaratekContainerLocation.class));
            if (found.isPresent()) {
                WaratekContainerLocation container = (WaratekContainerLocation) found.get();
                JavaVirtualContainer jvc = container.getOwner();
                JavaVirtualMachine jvm = container.getJavaVirtualMachine();
                layout.put(jvm, jvc);
            }
        }
    }
}