Example usage for com.google.common.base Optional 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:com.jivesoftware.sdk.utils.DateTimeUtils.java

public static String dateToIso(Optional<Date> date) {
    if (!date.isPresent()) {
        return null;
    }/*from  w  w  w  . j a v a 2  s  .c  o m*/

    try {
        return fullISODate.format(date.get());
    } catch (Exception e) {
        log.info("Failed converting date to ISO date string: " + date, e);
        return null;
    }
}

From source file:com.mycelium.wallet.BitcoinUriWithAddress.java

public static Optional<BitcoinUriWithAddress> parseWithAddress(String uri, NetworkParameters network) {
    Optional<? extends BitcoinUri> bitcoinUri = BitcoinUri.parse(uri, network);
    if (!bitcoinUri.isPresent()) {
        return Optional.absent();
    }//from   w w w  . j ava  2  s  .  co m
    return fromBitcoinUri(bitcoinUri.get());
}

From source file:com.google.gitiles.ArchiveFormat.java

static ArchiveFormat getDefault(Config cfg) {
    for (String allowed : cfg.getStringList("archive", null, "format")) {
        Optional<ArchiveFormat> result = Enums.getIfPresent(ArchiveFormat.class, allowed.toUpperCase());
        if (result.isPresent()) {
            return result.get();
        }/*from   w  w  w .j a  v  a 2  s .c o m*/
    }
    return TGZ;
}

From source file:org.geogit.storage.sqlite.SQLiteStorage.java

/**
 * Returns the .geogit directory for the platform object.
 *//*from w  w  w  . j a v  a2  s.  co m*/
public static File geogitDir(Platform platform) {
    Optional<URL> url = new ResolveGeogitDir(platform).call();
    if (!url.isPresent()) {
        throw new RuntimeException("Unable to resolve .geogit directory");
    }
    try {
        return new File(url.get().toURI());
    } catch (URISyntaxException e) {
        throw new RuntimeException("Error resolving .geogit directory", e);
    }
}

From source file:org.apache.gobblin.compliance.utils.ProxyUtils.java

public static FileSystem getOwnerFs(State state, Optional<String> owner) throws IOException {
    if (owner.isPresent()) {
        state.setProp(ComplianceConfigurationKeys.GOBBLIN_COMPLIANCE_PROXY_USER, owner.get());
    }/*  w  w w  .j a  va  2 s.c om*/
    ProxyUtils.setProxySettingsForFs(state);
    return WriterUtils.getWriterFs(state);
}

From source file:org.opendaylight.unimgr.mef.nrp.common.MountPointHelper.java

/**
 * Find a node's NETCONF mount point and then retrieve its DataBroker.
 * e.g.//from w w  w  . ja va2s.c  o m
 * http://localhost:8080/restconf/config/network-topology:network-topology/
 *        topology/topology-netconf/node/{nodeName}/yang-ext:mount/
 */
public static Optional<DataBroker> getDataBroker(MountPointService mountService, String nodeName) {
    NodeId nodeId = new NodeId(nodeName);

    InstanceIdentifier<Node> nodeInstanceId = InstanceIdentifier.builder(NetworkTopology.class)
            .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())))
            .child(Node.class, new NodeKey(nodeId)).build();

    final Optional<MountPoint> nodeOptional = mountService.getMountPoint(nodeInstanceId);

    if (!nodeOptional.isPresent()) {
        return Optional.absent();
    }

    MountPoint nodeMountPoint = nodeOptional.get();
    return Optional.of(nodeMountPoint.getService(DataBroker.class).get());
}

From source file:org.fusesource.fabric.service.jclouds.functions.ToTemplate.java

public static Template apply(CreateJCloudsContainerOptions options) {
    ComputeService service = options.getComputeService();
    TemplateOptions templateOptions = service.templateOptions();
    TemplateBuilder builder = service.templateBuilder().any();
    applyInstanceType(builder, options);
    applyImageType(builder, options);//from  w w  w  .j a  va 2 s .  com
    applyLocation(builder, options);
    applyProviderSpecificOptions(templateOptions, options);

    Optional<AdminAccess> adminAccess = ToAdminAccess.apply(options);
    if (adminAccess.isPresent()) {
        templateOptions.runScript(adminAccess.get());
    }
    builder = builder.options(templateOptions);
    return builder.build();
}

From source file:com.github.jeluard.extend.osgi.OSGILoader.java

private static <T> T setIfAbsentAndReturn(final AtomicReference<Optional<T>> reference,
        final Supplier<T> callable) {
    //TODO conc.//ww  w .j ava  2  s  .c o  m
    final Optional<T> optionalValue = reference.get();
    if (optionalValue.isPresent()) {
        return optionalValue.get();
    }

    final T value = callable.get();
    reference.set(Optional.fromNullable(value));
    return value;
}

From source file:io.urmia.md.model.job.JobGetRequest.java

public static ObjectRequest fromJobGetHttpRequest(String uri) {
    int loc = uri.indexOf("/stor/");
    if (loc <= 0)
        throw new IllegalArgumentException("invalid job get uri: " + uri);

    String path = uri.substring(loc + 5);
    Optional<ObjectName> on = ObjectName.of(path);
    if (!on.isPresent())
        throw new IllegalArgumentException("invalid job get path: " + path);

    return new ObjectRequest(on.get());
}

From source file:com.empcraft.xpbank.util.ChunkUtil.java

public static Collection<Chunk> getLoadedChunksAroundLocation(Location loc, ExpBankConfig config) {
    Preconditions.checkNotNull(loc);//w  w w.j a  v  a  2  s  .  c  om
    final List<Chunk> chunkAroundList = new ArrayList<>();
    final World world = loc.getWorld();

    /*
     * In a imaginary 9x9 board, the player stands in the middle.
     * This small piece of code will check if nearby chunks in this board are loaded.
     * If so, they will be added to the around list.
     */
    for (int x = -1; x <= 1; x++) {
        for (int z = -1; z <= 1; z++) {
            config.getLogger().log(Level.FINER, "Requesting Chunk at X:[" + x + "], Z:[" + z + "].");
            Optional<Chunk> chunk = getLoadedChunk(world, loc.clone().add(x * 16.0D, 0.0D, z * 16.0D));

            if (chunk.isPresent()) {
                chunkAroundList.add(chunk.get());
            }
        }
    }

    return chunkAroundList;
}