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

List of usage examples for com.google.common.base Optional get

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Introduction

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

Prototype

public abstract T get();

Source Link

Document

Returns the contained instance, which must be present.

Usage

From source file:de.azapps.mirakel.settings.model_settings.special_list.dialogfragments.editfragments.ConjunctionFragment.java

private static SpecialListsConjunctionList getRootProperty(
        @NonNull final Optional<SpecialListsBaseProperty> where, @NonNull final List<Integer> backStack) {
    if (where.isPresent()) {
        if (where.get() instanceof SpecialListsConjunctionList) {
            SpecialListsConjunctionList currentProperty = (SpecialListsConjunctionList) where.get();
            for (int i = 0; i < backStack.size(); i++) {
                if (backStack.get(i) == NEW_PROPERTY) {
                    final SpecialListsConjunctionList newList = new SpecialListsConjunctionList(
                            (currentProperty.getConjunction() == SpecialListsConjunctionList.CONJUNCTION.AND)
                                    ? SpecialListsConjunctionList.CONJUNCTION.OR
                                    : SpecialListsConjunctionList.CONJUNCTION.AND,
                            new ArrayList<SpecialListsBaseProperty>());
                    backStack.set(i, currentProperty.getChilds().size());
                    currentProperty.getChilds().add(newList);
                    return newList;
                }// w  w  w  .  j  a  v a  2  s  .  co m
                if (currentProperty.getChilds().get(backStack.get(i)) instanceof SpecialListsConjunctionList) {
                    currentProperty = (SpecialListsConjunctionList) currentProperty.getChilds()
                            .get(backStack.get(i));
                } else {
                    final List<SpecialListsBaseProperty> childs = new ArrayList<>(1);
                    childs.add(currentProperty.getChilds().get(backStack.get(i)));
                    currentProperty = new SpecialListsConjunctionList(
                            (currentProperty.getConjunction() == SpecialListsConjunctionList.CONJUNCTION.AND)
                                    ? SpecialListsConjunctionList.CONJUNCTION.OR
                                    : SpecialListsConjunctionList.CONJUNCTION.AND,
                            childs);
                    break;
                }
            }
            return currentProperty;
        }
    }
    return new SpecialListsConjunctionList(SpecialListsConjunctionList.CONJUNCTION.AND,
            new ArrayList<SpecialListsBaseProperty>(0));
}

From source file:jcomposition.processor.utils.AnnotationUtils.java

public static TypeElement getBindClassType(TypeElement element, ProcessingEnvironment env) {
    Optional<AnnotationValue> value = getParameterFrom(element, Bind.class, "value", env);

    if (value.isPresent()) {
        TypeElement typeElement = MoreTypes.asTypeElement((Type) value.get().getValue());
        AnnotationMirror bindMirror = MoreElements.getAnnotationMirror(typeElement, Bind.class).orNull();

        if (!typeElement.getKind().isClass()) {
            env.getMessager().printMessage(Diagnostic.Kind.ERROR, "Bind's annotation value must be class",
                    element, bindMirror, value.get());

            return null;
        }//from   w  w  w .j a va2 s .c o  m

        /**
         * Bind annotation is not valid if Bind's class value isn't implements element interface
         */
        javax.lang.model.util.Types types = env.getTypeUtils();

        if (!types.isAssignable(types.getDeclaredType(typeElement), types.getDeclaredType(element))
                && !types.isAssignable(typeElement.getSuperclass(), element.asType())) {
            env.getMessager().printMessage(Diagnostic.Kind.ERROR,
                    "Bind's annotation value class must implement " + element.getSimpleName() + " interface",
                    element, bindMirror, value.get());

            return null;
        }

        return typeElement;
    }

    return null;
}

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));
    }/* ww w  .  j  a  v  a2 s  .  c o m*/

    return notNull;
}

From source file:com.facebook.buck.apple.xcode.FrameworkPath.java

public static FrameworkPath fromString(BuildTarget target, String string) {
    Path path = Paths.get(string);

    String firstElement = Preconditions.checkNotNull(Iterables.getFirst(path, Paths.get(""))).toString();

    if (firstElement.startsWith("$")) { // NOPMD - length() > 0 && charAt(0) == '$' is ridiculous
        Optional<PBXReference.SourceTree> sourceTree = PBXReference.SourceTree.fromBuildSetting(firstElement);
        if (sourceTree.isPresent()) {
            return ImmutableFrameworkPath.builder()
                    .sourceTreePath(new SourceTreePath(sourceTree.get(), path.subpath(1, path.getNameCount())))
                    .build();/* w w w.j  av a 2s.co m*/
        } else {
            throw new HumanReadableException(String.format(
                    "Unknown SourceTree: %s in target: %s. Should be one of: %s", firstElement, target,
                    Joiner.on(',')
                            .join(Iterables.transform(ImmutableList.copyOf(PBXReference.SourceTree.values()),
                                    new Function<PBXReference.SourceTree, String>() {
                                        @Override
                                        public String apply(PBXReference.SourceTree input) {
                                            return "$" + input.toString();
                                        }
                                    }))));
        }
    } else {
        return ImmutableFrameworkPath.builder().sourcePath(new BuildTargetSourcePath(target, Paths.get(string)))
                .build();
    }
}

From source file:org.anhonesteffort.flock.sync.SyncWorkerUtil.java

protected static <T> HashMap<String, Optional<String>> handleFilterUidsChangedRemotely(
        AbstractLocalComponentCollection<T> localCollection, HashMap<String, String> remoteUidETagMap)
        throws RemoteException {
    HashMap<String, Optional<String>> localUidETagMap = new HashMap<String, Optional<String>>();

    for (java.util.Map.Entry<String, String> remoteETagEntry : remoteUidETagMap.entrySet()) {
        Optional<String> localETag = localCollection.getETagForUid(remoteETagEntry.getKey());
        if (!localETag.isPresent() || !localETag.get().equals(remoteETagEntry.getValue()))
            localUidETagMap.put(remoteETagEntry.getKey(), localETag);
    }//from   ww  w  .  j a  v  a  2  s  .co m

    return localUidETagMap;
}

From source file:org.opendaylight.netconf.util.messages.NetconfHelloMessage.java

public static NetconfHelloMessage createClientHello(Iterable<String> capabilities,
        Optional<NetconfHelloMessageAdditionalHeader> additionalHeaderOptional)
        throws NetconfDocumentedException {
    Document doc = createHelloMessageDoc(capabilities);
    return additionalHeaderOptional.isPresent() ? new NetconfHelloMessage(doc, additionalHeaderOptional.get())
            : new NetconfHelloMessage(doc);
}

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

/**
 * Create a {@link Function} to retrieve a particular field value from a {@code redis-cli info}
 * command.//  www .  jav  a  2 s. c  om
 * 
 * @param field the info field to retrieve and convert
 * @return a new function that converts a {@link SshPollValue} to an {@link Integer}
 */
private static Function<SshPollValue, Integer> infoFunction(final String field) {
    return Functions.compose(new Function<String, Integer>() {
        @Override
        public Integer apply(@Nullable String input) {
            Optional<String> line = Iterables.tryFind(Splitter.on('\n').split(input),
                    Predicates.containsPattern(field + ":"));
            if (line.isPresent()) {
                String data = line.get().trim();
                int colon = data.indexOf(":");
                return Integer.parseInt(data.substring(colon + 1));
            } else {
                throw new IllegalStateException("Data for field " + field + " not found: " + input);
            }
        }
    }, SshValueFunctions.stdout());
}

From source file:org.dswarm.graph.batch.rdf.pnx.utils.NodeTypeUtils.java

public static Optional<NodeType> getNodeType(final Optional<Node> optionalNode,
        final Optional<Boolean> optionalIsType) {

    if (!optionalNode.isPresent()) {

        return Optional.absent();
    }//  w  w w  .jav  a2 s.  com

    final NodeType nodeType;
    final Node node = optionalNode.get();

    if (node instanceof Resource) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.Resource;
            } else {

                nodeType = NodeType.TypeResource;
            }
        } else {

            nodeType = NodeType.Resource;
        }
    } else if (node instanceof BNode) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.BNode;
            } else {

                nodeType = NodeType.TypeBNode;
            }
        } else {

            nodeType = NodeType.BNode;
        }
    } else if (node instanceof Literal) {

        nodeType = NodeType.Literal;
    } else {

        nodeType = null;
    }

    return Optional.fromNullable(nodeType);
}

From source file:org.pau.assetmanager.business.ClientsBusiness.java

/**
 * This method removes a client from the database 
 * /*ww w . j  a v a 2 s . c o m*/
 * @param selectedClient client to remove
 * 
 * @return the client removed
 */
public static Client removeClient(Client selectedClient) {
    String queryBooks = "select book from Book book where book.client=:client";
    List<Book> books = DaoFunction.<Book>querySimpleListFunction("client", selectedClient).apply(queryBooks);
    for (Book book : books) {
        BooksBusiness.removeBook(book);
    }
    String queryClients = "select client from Client client where client=:client";
    Optional<Client> optionalClient = DaoFunction.<Client>querySimpleUniqueFunction("client", selectedClient)
            .apply(queryClients);
    if (optionalClient.isPresent()) {
        Client client = optionalClient.get();
        DaoFunction.deleteDetachedFunction().apply(client);
        return client;
    } else {
        String message = "Client '" + selectedClient.toString() + "' not found in the database";
        logger.error(message);
        throw new AssetManagerRuntimeException(message);
    }
}

From source file:org.dswarm.graph.rdf.nx.utils.NodeTypeUtils.java

public static Optional<NodeType> getNodeType(final Optional<Node> optionalNode,
        final Optional<Boolean> optionalIsType) {

    if (!optionalNode.isPresent()) {

        return Optional.absent();
    }/* w ww  .j a  v  a 2 s .  c  om*/

    final NodeType nodeType;
    final Node node = optionalNode.get();

    if (node instanceof BNode) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.BNode;
            } else {

                nodeType = NodeType.TypeBNode;
            }
        } else {

            nodeType = NodeType.BNode;
        }

    } else if (node instanceof Literal) {

        nodeType = NodeType.Literal;
    } else if (node instanceof Resource) {

        if (optionalIsType.isPresent()) {

            if (Boolean.FALSE.equals(optionalIsType.get())) {

                nodeType = NodeType.Resource;
            } else {

                nodeType = NodeType.TypeResource;
            }
        } else {

            nodeType = NodeType.Resource;
        }
    } else {

        nodeType = null;
    }

    return Optional.fromNullable(nodeType);
}