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

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

  1. HOME
  2. Java
  3. com.google.common
  4. com.google.common.base.*
  5. Optional
  6. get

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:org.opendaylight.vpnservice.utilities.InterfaceUtils.java

public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(
        DataBroker dataBroker, String interfaceName) {
    InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId = buildStateInterfaceId(
            interfaceName);/* www.j av  a  2 s . co  m*/
    Optional<Interface> ifStateOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, ifStateId);
    if (ifStateOptional.isPresent()) {
        return ifStateOptional.get();
    }

    return null;
}

From source file:org.anhonesteffort.flock.sync.account.AccountStore.java

public static void setCardInformation(Context context, Optional<FlockCardInformation> cardInformation) {
    if (cardInformation.isPresent()) {
        getStore(context).edit()/*w w  w .  j  a  va 2s  .c o  m*/
                .putString(KEY_CARD_INFORMATION_ACCOUNT_ID, cardInformation.get().getAccountId())
                .putString(KEY_CARD_INFORMATION_LAST_FOUR, cardInformation.get().getCardLastFour())
                .putString(KEY_CARD_INFORMATION_EXPIRATION, cardInformation.get().getCardExpiration()).apply();
    } else {
        getStore(context).edit().putString(KEY_CARD_INFORMATION_ACCOUNT_ID, null)
                .putString(KEY_CARD_INFORMATION_LAST_FOUR, null)
                .putString(KEY_CARD_INFORMATION_EXPIRATION, null).apply();
    }
}

From source file:org.opendaylight.netconf.console.utils.NetconfConsoleUtils.java

/**
 * Blocking read transaction/*from  w  ww  .  j  a v a  2s .  c o  m*/
 * @param store :DatastoreType
 * @param path :InstanceIdentifier
 * @param db :An instance of the {@link DataBroker}
 * @return :data read from path
 */
public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> D read(
        final LogicalDatastoreType store, final InstanceIdentifier<D> path, final DataBroker db) {
    D result = null;
    final ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
    Optional<D> optionalData;
    try {
        optionalData = transaction.read(store, path).checkedGet();
        if (optionalData.isPresent()) {
            result = optionalData.get();
        } else {
            LOG.debug("{}: Failed to read {}", Thread.currentThread().getStackTrace()[1], path);
        }
    } catch (ReadFailedException e) {
        LOG.warn("Failed to read {} ", path, e);
    }
    transaction.close();
    return result;
}

From source file:gobblin.compaction.event.CompactionSlaEventHelper.java

private static long getRecordCount(Optional<Job> job) {

    if (!job.isPresent()) {
        return -1l;
    }//  w  w  w  . j a va2 s.co  m

    Counters counters = null;
    try {
        counters = job.get().getCounters();
    } catch (IOException e) {
        LOG.debug("Failed to get job counters. Record count will not be set. ", e);
        return -1l;
    }

    Counter recordCounter = counters.findCounter(AvroKeyDedupReducer.EVENT_COUNTER.RECORD_COUNT);

    if (recordCounter != null && recordCounter.getValue() != 0) {
        return recordCounter.getValue();
    }

    recordCounter = counters.findCounter(AvroKeyMapper.EVENT_COUNTER.RECORD_COUNT);

    if (recordCounter != null && recordCounter.getValue() != 0) {
        return recordCounter.getValue();
    }

    LOG.debug("Non zero record count not found in both mapper and reducer counters");

    return -1l;
}

From source file:com.google.devtools.build.lib.bazel.repository.downloader.HttpConnection.java

/**
 * Attempts to detect the encoding the HTTP reponse is using.
 *
 * <p>This attempts to read the Content-Encoding header, then the Content-Type header,
 * then just falls back to UTF-8.</p>
 *
 * @throws IOException If something goes wrong (the encoding isn't parsable or is, but isn't
 * supported by the system)./*from  ww w  .  jav  a  2  s .  c o  m*/
 */
@VisibleForTesting
static Charset getEncoding(HttpURLConnection connection) throws IOException {
    String encoding = connection.getContentEncoding();
    if (encoding != null) {
        if (Charset.availableCharsets().containsKey(encoding)) {
            try {
                return Charset.forName(encoding);
            } catch (IllegalArgumentException | UnsupportedOperationException e) {
                throw new IOException("Got invalid encoding from " + connection.getURL() + ": " + encoding);
            }
        } else {
            throw new IOException("Got unavailable encoding from " + connection.getURL() + ": " + encoding);
        }
    }
    encoding = connection.getContentType();
    if (encoding == null) {
        return StandardCharsets.UTF_8;
    }
    try {
        MediaType mediaType = MediaType.parse(encoding);
        if (mediaType == null) {
            return StandardCharsets.UTF_8;
        }
        Optional<Charset> charset = mediaType.charset();
        if (charset.isPresent()) {
            return charset.get();
        }
    } catch (IllegalArgumentException | IllegalStateException e) {
        throw new IOException("Got invalid encoding from " + connection.getURL() + ": " + encoding);
    }
    return StandardCharsets.UTF_8;
}

From source file:org.opendaylight.netconf.mdsal.connector.MdsalNetconfOperationServiceFactory.java

static Set<Capability> transformCapabilities(final SchemaContext currentContext,
        final SchemaSourceProvider<YangTextSchemaSource> rootSchemaSourceProviderDependency) {
    final Set<Capability> capabilities = new HashSet<>();

    // Added by netconf-impl by default
    //        capabilities.add(new BasicCapability("urn:ietf:params:netconf:capability:candidate:1.0"));

    final Set<Module> modules = currentContext.getModules();
    for (final Module module : modules) {
        Optional<YangModuleCapability> cap = moduleToCapability(module, rootSchemaSourceProviderDependency);
        if (cap.isPresent()) {
            capabilities.add(cap.get());
        }//from www . ja va  2  s.c om
        for (final Module submodule : module.getSubmodules()) {
            cap = moduleToCapability(submodule, rootSchemaSourceProviderDependency);
            if (cap.isPresent()) {
                capabilities.add(cap.get());
            }
        }
    }

    return capabilities;
}

From source file:org.eclipse.buildship.core.workspace.internal.GradleClasspathContainerRuntimeClasspathEntryResolver.java

private static void collectContainerRuntimeClasspath(IClasspathContainer container,
        List<IRuntimeClasspathEntry> result, boolean includeExportedEntriesOnly) throws CoreException {
    for (final IClasspathEntry cpe : container.getClasspathEntries()) {
        if (!includeExportedEntriesOnly || cpe.isExported()) {
            if (cpe.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
                result.add(JavaRuntime.newArchiveRuntimeClasspathEntry(cpe.getPath()));
            } else if (cpe.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
                Optional<IProject> candidate = findAccessibleJavaProject(cpe.getPath().segment(0));
                if (candidate.isPresent()) {
                    IJavaProject dependencyProject = JavaCore.create(candidate.get());
                    IRuntimeClasspathEntry projectRuntimeEntry = JavaRuntime
                            .newProjectRuntimeClasspathEntry(dependencyProject);
                    Collections.addAll(result,
                            JavaRuntime.resolveRuntimeClasspathEntry(projectRuntimeEntry, dependencyProject));
                    collectContainerRuntimeClasspathIfPresent(dependencyProject, result, true);
                }//from   ww w .j  a  va2  s.c om
            }
        }
    }
}

From source file:org.apache.gobblin.data.management.copy.recovery.RecoveryHelper.java

private static String computeGuid(State state, CopyEntity file) throws IOException {
    Optional<Guid> stateGuid = CopySource.getWorkUnitGuid(state);
    if (stateGuid.isPresent()) {
        return Guid.combine(file.guid(), stateGuid.get()).toString();
    }/*ww w .j a  v a2  s  .  com*/
    throw new IOException("State does not contain a guid.");
}

From source file:com.complexible.common.collect.Iterators2.java

public static <T> Iterator<T> present(final Iterator<Optional<T>> theIter) {
    return new AbstractIterator<T>() {
        @Override//from w  ww. ja va 2 s .c o m
        protected T computeNext() {
            while (theIter.hasNext()) {
                Optional<T> aOptional = theIter.next();
                if (aOptional.isPresent()) {
                    return aOptional.get();
                }
            }
            return endOfData();
        }
    };
}

From source file:org.opendaylight.netconf.notifications.impl.ops.CreateSubscription.java

private static StreamNameType parseStreamIfPresent(final XmlElement operationElement)
        throws DocumentedException {
    final Optional<XmlElement> stream = operationElement
            .getOnlyChildElementWithSameNamespaceOptionally("stream");
    return stream.isPresent() ? new StreamNameType(stream.get().getTextContent())
            : NetconfNotificationManager.BASE_STREAM_NAME;
}