Example usage for com.google.common.base Optional isPresent

Introduction

In this page you can find the example usage for com.google.common.base Optional isPresent.

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:org.onos.yangtools.yang.data.api.schema.NormalizedNodes.java

public static Optional<NormalizedNode<?, ?>> findNode(final YangInstanceIdentifier rootPath,
        final NormalizedNode<?, ?> rootNode, final YangInstanceIdentifier childPath) {
    final Optional<YangInstanceIdentifier> relativePath = childPath.relativeTo(rootPath);
    if (relativePath.isPresent()) {
        return findNode(rootNode, relativePath.get());
    } else {//from  ww w  .  j a  v a 2 s  .  co m
        return Optional.absent();
    }
}

From source file:org.anhonesteffort.flock.crypto.KeyHelper.java

public static void generateAndSaveSaltAndKeyMaterial(Context context)
        throws IOException, GeneralSecurityException {
    Log.d(TAG, "GENERATING SALT AND KEY MATERIAL!");
    byte[] cipherKey = KeyUtil.generateCipherKey();
    byte[] macKey = KeyUtil.generateMacKey();
    byte[] salt = KeyUtil.generateSalt();

    Log.d(TAG, "SAVING SALT AND KEY MATERIAL!");
    KeyStore.saveCipherKey(context, cipherKey);
    KeyStore.saveMacKey(context, macKey);
    KeyStore.saveKeyMaterialSalt(context, salt);

    Optional<String> encryptedKeyMaterial = buildEncryptedKeyMaterial(context);
    if (encryptedKeyMaterial.isPresent())
        KeyStore.saveEncryptedKeyMaterial(context, encryptedKeyMaterial.get());
}

From source file:com.incapture.apigen.slate.gen.TypeNodeFactory.java

public static Collection<Node> createTypesNodes(Function function, TypesContainer typesContainer) {
    List<Node> nodes = new LinkedList<>();

    List<Field> fields = new LinkedList<>();
    fields.addAll(function.getParameters());
    fields.add(function.getReturnType());

    for (Field parameter : fields) {
        Optional<TypeDefinition> typeOptional = typesContainer.get(parameter.getPackageName(),
                parameter.getType());//from   w  w w  .j a v  a 2  s .c  o m
        if (typeOptional.isPresent()) {
            //add some description
            TypeDefinition typeDefinition = typeOptional.get();
            nodes.add(new HeaderNode(typeDefinition.getName(), 4));
            nodes.add(new TextNode(String.format("*%s*", typeDefinition.getDocumentation())));
            if (typeDefinition.isDeprecated()) {
                if (typeDefinition.getDeprecatedText() != null) {
                    nodes.add(new AsideNode("This type is deprecated: " + typeDefinition.getDeprecatedText(),
                            AsideNodeType.WARNING));
                } else {
                    nodes.add(new AsideNode("This type is deprecated.", AsideNodeType.WARNING));
                }
            }
            nodes.add(new EmptyLineNode());

            //add all the fields
            TableHeaderNode headerNode = new TableHeaderNode("Field", "Type");
            TableNode tableNode = new TableNode(headerNode);
            for (Field field : typeDefinition.getFields()) {
                String text = field.getType(); //maybe add <a href=''... link here, to link to other types?
                tableNode.getRows().add(new TableRowNode(field.getName(), text));
            }
            nodes.add(tableNode);
            nodes.add(new EmptyLineNode());
        }
    }
    return nodes;
}

From source file:extrabiomes.handlers.BiomeHandler.java

public static void enableBiomes() {
    final Set<WorldType> worldTypes = BiomeHelper.discoverWorldTypes();

    for (final BiomeSettings setting : BiomeSettings.values()) {
        final Optional<? extends BiomeGenBase> biome = setting.getBiome();
        if (!setting.isVanilla()) {
            if (setting.isEnabled() && biome.isPresent()) {
                BiomeHelper.enableBiome(worldTypes, biome.get());
            } else {
                LogHelper.fine("Custom biome %s disabled.", setting.toString());
            }/*from w  w w  .jav a 2  s.co m*/
        } else if (!setting.isEnabled()) {
            Extrabiomes.proxy.removeBiome(BiomeHelper.settingToBiomeGenBase(setting));
            LogHelper.fine("Vanilla biome %s disabled.", biome.toString());
        }

        if (setting.allowVillages() && biome.isPresent()) {
            BiomeManager.addVillageBiome(biome.get(), true);
            LogHelper.fine("Village spawning enabled for custom biome %s.", setting.toString());
        }
    }

}

From source file:org.opendaylight.netconf.messagebus.eventsources.netconf.NetconfEventSourceMount.java

private static <T extends DOMService> T getService(DOMMountPoint mountPoint, Class<T> service) {
    final Optional<T> optional = mountPoint.getService(service);
    Preconditions.checkState(optional.isPresent(), "Service not present on mount point: %s", service.getName());
    return optional.get();
}

From source file:net.es.nsi.pce.pf.PfUtils.java

public static String getDestinationStpOrFail(P2PServiceBaseType p2ps) {
    Optional<String> destStp = Optional.fromNullable(Strings.emptyToNull(p2ps.getDestSTP()));
    if (destStp.isPresent()) {
        return destStp.get();
    }//from w ww  . j a  v a2s  . c  o m

    throw Exceptions.missingParameter(Point2PointTypes.getSourceStp().getNamespace(),
            Point2PointTypes.getDestStp().getType(), "null");
}

From source file:springfox.documentation.spring.web.readers.operation.ResponseMessagesReader.java

public static int httpStatusCode(OperationContext context) {
    Optional<ResponseStatus> responseStatus = context.findAnnotation(ResponseStatus.class);
    int httpStatusCode = HttpStatus.OK.value();
    if (responseStatus.isPresent()) {
        httpStatusCode = responseStatus.get().value().value();
    }/*from  w  w w.ja  va 2 s  .  c o  m*/
    return httpStatusCode;
}

From source file:com.replaymod.replaystudio.pathing.serialize.LegacyTimelineConverter.java

private static Optional<InputStream> read(ReplayFile replayFile) throws IOException {
    Optional<InputStream> in = replayFile.get("paths.json");
    if (!in.isPresent()) {
        in = replayFile.get("paths");
    }/*from w w  w.  j  a  v  a 2 s. c  o  m*/
    return in;
}

From source file:springfox.bean.validators.plugins.Validators.java

public static <T extends Annotation> Optional<T> annotationFromBean(ModelPropertyContext context,
        Class<T> annotationType) {

    Optional<BeanPropertyDefinition> propertyDefinition = context.getBeanPropertyDefinition();
    Optional<T> notNull = Optional.absent();
    if (propertyDefinition.isPresent()) {
        Optional<Method> getter = extractGetterFromPropertyDefinition(propertyDefinition.get());
        Optional<Field> field = extractFieldFromPropertyDefinition(propertyDefinition.get());
        notNull = findAnnotation(getter, annotationType).or(findAnnotation(field, annotationType));
    }//  w  ww.  j  a va  2  s .  co m

    return notNull;
}

From source file:net.es.nsi.pce.pf.PfUtils.java

public static ServiceDomainType getServiceDomainOrFail(NsiTopology topology, StpType stp) {
    Optional<ResourceRefType> serviceDomain = Optional.fromNullable(stp.getServiceDomain());
    if (serviceDomain.isPresent()) {
        Optional<ServiceDomainType> sd = Optional
                .fromNullable(topology.getServiceDomain(stp.getServiceDomain().getId()));
        if (sd.isPresent()) {
            return sd.get();
        }//from w  ww  .  jav  a2s  .  co m
    }
    throw Exceptions.noPathFound("Missing ServiceDomain for source sdpId=" + stp.getId());
}