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:org.eclipse.recommenders.utils.rcp.UUIDHelper.java

public static String generateGlobalUUID() {
    final Optional<String> uuid = generateUUIDFromMacAddress();
    if (!uuid.isPresent()) {
        return UUID.randomUUID().toString();
    }/*from w ww.j av  a  2  s.c  o  m*/
    return uuid.get();
}

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

private static String getFormattedTimestamp(Optional<Interval> runTimeInterval) {
    return !runTimeInterval.isPresent() ? "" : runTimeInterval.get().getStart().toString();
}

From source file:com.complexible.common.base.Optionals.java

public static <T> T require(final Optional<T> theOptional, final String theMsg)
        throws IllegalArgumentException {
    if (theOptional.isPresent()) {
        return theOptional.get();
    }//from   ww  w  .j a  va 2  s  . com

    throw new IllegalArgumentException(theMsg);
}

From source file:gobblin.data.management.copy.watermark.CopyableFileWatermarkHelper.java

/**
 * Return Optional {@link WatermarkInterval} for {@link CopyableFile} using {@link CopyableFileWatermarkGenerator}.
 *///from w w  w  . j a v  a2  s.  co m
public static Optional<WatermarkInterval> getCopyableFileWatermark(CopyableFile copyableFile,
        Optional<CopyableFileWatermarkGenerator> watermarkGenerator) throws IOException {
    if (!watermarkGenerator.isPresent()) {
        return Optional.absent();
    }
    return watermarkGenerator.get().generateWatermarkIntervalForCopyableFile(copyableFile);
}

From source file:org.eclipse.recommenders.codesearch.rcp.index.indexer.BindingHelper.java

public static Optional<String> getIdentifier(final IMethodBinding b) {
    if (b == null) {
        return absent();
    }//from   w ww . j  ava2  s  . c  o m
    final Optional<IMethodName> opt = BindingUtils.toMethodName(b);
    if (!opt.isPresent()) {
        return absent();
    }
    return of(opt.get().getIdentifier());
}

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

public static Optional<BitcoinUriWithAddress> parseWithAddress(String uri, NetworkParameters network) {
    Optional<? extends BitcoinUri> bitcoinUri = parse(uri, network);
    if (!bitcoinUri.isPresent()) {
        return Optional.absent();
    }//from w ww  . j  a v  a2s.  c o m
    return fromBitcoinUri(bitcoinUri.get());
}

From source file:se.sics.ktoolbox.util.config.KConfigHelper.java

public static <O extends Object> O read(Config config, Base<O> opt) {
    Logger LOG = LoggerFactory.getLogger("KConfig");
    Optional<O> optValue = opt.readValue(config);
    if (!optValue.isPresent()) {
        LOG.error("missing:{}", opt.name);
        throw new RuntimeException("missing " + opt.name);
    }/*from   www  .j ava2  s .c  o m*/
    return optValue.get();
}

From source file:com.facebook.buck.java.DiagnosticPrettyPrinter.java

private static void appendContext(StringBuilder builder, Diagnostic<? extends JavaFileObject> diagnostic,
        @Nullable JavaFileObject source) {

    if (source == null) {
        return;/* ww  w. j a  va  2s  .  c  o m*/
    }

    Optional<String> line = getLine(source, diagnostic.getLineNumber());
    if (line.isPresent()) {
        builder.append(line.get()).append("\n");
        for (long i = 1; i < diagnostic.getColumnNumber(); i++) {
            builder.append(" ");
        }
        builder.append("^");
    }
}

From source file:org.apache.gobblin.metrics.event.EventSubmitter.java

/**
 * Calls submit on submitter if present.
 *//*from  w ww.j  a v a2 s  . c  om*/
public static void submit(Optional<EventSubmitter> submitter, String name) {
    if (submitter.isPresent()) {
        submitter.get().submit(name);
    }
}

From source file:org.opendaylight.netvirt.vpnmanager.api.VpnExtraRouteHelper.java

public static List<String> getUsedRds(DataBroker broker, long vpnId, String destPrefix) {
    InstanceIdentifier<DestPrefixes> usedRdsId = getUsedRdsIdentifier(vpnId, destPrefix);
    Optional<DestPrefixes> usedRds = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, usedRdsId);
    return usedRds.isPresent() ? usedRds.get().getRds() : new ArrayList<String>();
}