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.github.kevints.mesos.scheduler.server.LibprocessServletUtils.java

static Optional<PID> getSenderPid(HttpServletRequest req) {
    Optional<String> libprocessFrom = Optional.fromNullable(req.getHeader("X-Libprocess-From"));
    if (libprocessFrom.isPresent()) {
        try {//from  w  w  w  . j  a v a2 s .c om
            return Optional.of(PID.fromString(libprocessFrom.get()));
        } catch (IllegalArgumentException e) {
            return Optional.absent();
        }
    }

    Optional<String> userAgent = Optional.fromNullable(req.getHeader("User-Agent"));
    if (userAgent.isPresent()) {
        List<String> pid = Splitter.on("libprocess/").omitEmptyStrings().splitToList(userAgent.get());
        if (pid.size() != 1) {
            return Optional.absent();
        } else {
            try {
                return Optional.of(PID.fromString(pid.get(0)));
            } catch (IllegalArgumentException e) {
                return Optional.absent();
            }
        }
    }

    return Optional.absent();
}

From source file:de.azapps.mirakel.helper.MirakelModelPreferences.java

@NonNull
public static AccountMirakel getDefaultAccount() {
    final long id = settings.getLong("defaultAccountID", AccountMirakel.getLocal().getId());
    final Optional<AccountMirakel> a = AccountMirakel.get(id);
    if (a.isPresent()) {
        return a.get();
    }/*from   w w  w.  j a va2  s.  c  o  m*/
    return AccountMirakel.getLocal();
}

From source file:com.google.gerrit.server.query.change.IsReviewedPredicate.java

@SuppressWarnings("deprecation")
private static FieldDef<ChangeData, ?> getField(Schema<ChangeData> schema) {
    Optional<FieldDef<ChangeData, ?>> f = schema.getField(REVIEWEDBY, LEGACY_REVIEWED);
    checkState(f.isPresent(), "Schema %s missing field %s", schema.getVersion(), REVIEWEDBY.getName());
    return f.get();
}

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

public static void update(IJavaProject project, Optional<OmniEclipseOutputLocation> outputLocation,
        IProgressMonitor monitor) throws CoreException {
    if (outputLocation.isPresent()) {
        IPath projectPath = project.getProject().getFullPath();
        String outputPath = outputLocation.get().getPath();
        project.setOutputLocation(projectPath.append(outputPath), monitor);
    }// w  w w .j  av  a 2  s.  c  om
}

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

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

    Optional<AnnotatedElement> annotatedElement = context.getAnnotatedElement();
    Optional<T> notNull = Optional.absent();
    if (annotatedElement.isPresent()) {
        notNull = Optional.fromNullable(annotatedElement.get().getAnnotation(annotationType));
    }// www  .ja  v a 2 s  . c o m
    return notNull;
}

From source file:org.anhonesteffort.flock.sync.key.KeySyncUtil.java

public static Optional<String[]> getSaltAndEncryptedKeyMaterial(Context context, DavAccount account)
        throws PropertyParseException, DavException, IOException {
    String[] saltAndEncryptedKeyMaterial = { "", "" };

    Optional<HidingCalDavCollection> keyCollection = getKeyCollection(context, account);
    if (keyCollection.isPresent()) {
        if (keyCollection.get().getKeyMaterialSalt().isPresent()
                && keyCollection.get().getEncryptedKeyMaterial().isPresent()) {
            saltAndEncryptedKeyMaterial[0] = keyCollection.get().getKeyMaterialSalt().get();
            saltAndEncryptedKeyMaterial[1] = keyCollection.get().getEncryptedKeyMaterial().get();

            keyCollection.get().getStore().closeHttpConnection();
            return Optional.of(saltAndEncryptedKeyMaterial);
        }/* w  ww  .  j a v  a  2 s  . c o m*/
        keyCollection.get().getStore().closeHttpConnection();
        return Optional.absent();
    }

    return Optional.absent();
}

From source file:com.google.testing.junit.runner.model.AntXmlResultWriter.java

private static String getFormattedRunTime(Optional<Interval> runTimeInterval) {
    return !runTimeInterval.isPresent() ? "0.0"
            : String.valueOf(runTimeInterval.get().toDurationMillis() / 1000.0D);
}

From source file:org.opendaylight.vpnservice.interfacemgr.globals.InterfaceServiceUtil.java

public static short getVlanId(String interfaceName, DataBroker broker) {
    InstanceIdentifier<Interface> id = InstanceIdentifier.builder(Interfaces.class)
            .child(Interface.class, new InterfaceKey(interfaceName)).build();
    Optional<Interface> ifInstance = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION, id, broker);
    if (ifInstance.isPresent()) {
        IfL2vlan vlanIface = ifInstance.get().getAugmentation(IfL2vlan.class);
        short vlanId = vlanIface.getVlanId() == null ? 0 : vlanIface.getVlanId().getValue().shortValue();
        return vlanId;
    }/*from www  . j a va 2  s  .co m*/
    return -1;
}

From source file:com.forerunnergames.tools.common.pool.AutoDisposable.java

/**
 * Acquires an AutoDisposable from the given pool and unpacks the reference, returning it as an Optional of the
 * AutoDisposable's parameterized type./*from w w  w .  j a v  a2  s  .  c  om*/
 */
public static <T> Optional<T> acquireFrom(final ObjectPool<AutoDisposable<T>> pool) {
    Arguments.checkIsNotNull(pool, "pool");

    final Optional<AutoDisposable<T>> ref = pool.acquire();
    if (ref.isPresent())
        return Optional.of(ref.get().unpack());
    return Optional.absent();
}

From source file:org.opendaylight.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);
    return relativePath.isPresent() ? findNode(rootNode, relativePath.get()) : Optional.absent();
}