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

Introduction

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

Prototype

public static <T> Optional<T> of(T reference)

Source Link

Document

Returns an Optional instance containing the given non-null reference.

Usage

From source file:li.klass.fhem.service.graph.gplot.GPlotAxisTestdataBuilder.java

public static GPlotAxis defaultGPlotAxis() {
    GPlotAxis axis = new GPlotAxis("myLabel", Optional.of(Range.atLeast(10D)));
    axis.addSeries(defaultGPlotSeriesBuilder().withTitle("series1").withAxis(GPlotSeries.Axis.LEFT).build());
    axis.addSeries(defaultGPlotSeriesBuilder().withTitle("series2").withAxis(GPlotSeries.Axis.LEFT).build());
    return axis;//  w ww  . j a  v a  2 s  .c  om
}

From source file:org.apache.distributedlog.util.CommandLineUtils.java

public static Optional<Boolean> getOptionalBooleanArg(CommandLine cmdline, String arg) {
    if (cmdline.hasOption(arg)) {
        return Optional.of(true);
    } else {//from   ww  w .  j  a  va2 s  .co  m
        return Optional.absent();
    }
}

From source file:com.google.template.soy.shared.RangeArgs.java

private static RangeArgs create(List<ExprNode> args) {
    switch (args.size()) {
    case 1:/*from  w  w  w .j  a v a2 s .  c o m*/
        return new AutoValue_RangeArgs(Optional.<ExprNode>absent(), args.get(0), Optional.<ExprNode>absent());
    case 2:
        return new AutoValue_RangeArgs(Optional.of(args.get(0)), args.get(1), Optional.<ExprNode>absent());
    case 3:
        return new AutoValue_RangeArgs(Optional.of(args.get(0)), args.get(1), Optional.of(args.get(2)));
    default:
        throw new AssertionError();
    }
}

From source file:ch.epfl.eagle.daemon.util.Serialization.java

public static Optional<InetSocketAddress> strToSocket(String in) {
    String[] parts = in.split(":");
    if (parts.length != 2) {
        return Optional.absent();
    }//from w ww.  ja  va  2 s .c  o  m
    String host = parts[0];
    // This deals with the wonky way Java InetAddress toString() represents an address:
    // "hostname/IP"
    if (parts[0].contains("/")) {
        host = parts[0].split("/")[1];
    }
    try {
        return Optional.of(new InetSocketAddress(host, Integer.parseInt(parts[1])));
    } catch (NumberFormatException e) {
        return Optional.absent();
    }
}

From source file:com.github.radium226.common.Either.java

public static <L, R> Either<L, R> right(R right) {
    return new Either(Optional.absent(), Optional.of(right));
}

From source file:org.dswarm.graph.gdm.utils.NodeTypeUtils.java

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

    if (!optionalNode.isPresent()) {

        return Optional.absent();
    }/* ww  w  .  java 2 s.co  m*/

    return getNodeTypeByGDMNodeType(Optional.of(optionalNode.get().getType()), optionalIsType);
}

From source file:li.klass.fhem.domain.CulHmHeatingMode.java

public static Optional<CulHmHeatingMode> heatingModeFor(String value) {
    if (value.equalsIgnoreCase("MANU")) {
        value = MANUAL.name();/*from  ww w.j  a  va  2s .  c o  m*/
    }
    try {
        return Optional.of(CulHmHeatingMode.valueOf(value.toUpperCase(Locale.getDefault())));
    } catch (Exception e) {
        Log.e(CulHmHeatingMode.class.getName(), "cannot set heating mode from value " + value, e);
        return Optional.absent();
    }
}

From source file:com.android.camera.one.v1.LegacyOneCameraOpenerImpl.java

public static Optional<OneCameraOpener> create() {
    OneCameraOpener cameraManager = new LegacyOneCameraOpenerImpl();
    return Optional.of(cameraManager);
}

From source file:com.android.camera.captureintent.state.StateIntentCompleted.java

public static StateIntentCompleted from(StateSavingPicture savingPicture,
        RefCountBase<ResourceConstructed> resourceConstructed, Intent resultIntent) {
    return new StateIntentCompleted(savingPicture, resourceConstructed, Optional.of(resultIntent));
}

From source file:org.fabrician.enabler.util.BuildCmdOptions.java

public static Optional<String> build(RuntimeContextVariable var) {
    try {// ww  w.  ja  v  a2s.c  o  m
        BuildCmdOptions val = valueOf(var.getName());
        if (var.getTypeInt() != RuntimeContextVariable.OBJECT_TYPE) {
            String currentValue = StringUtils.trimToEmpty((String) var.getValue());
            // empty value means the option is not valid and would be skipped
            // so that we accept the default
            if (!currentValue.isEmpty()) {
                if (val.isBooleanType) {
                    Boolean b = BooleanUtils.toBooleanObject(currentValue);
                    if (b != val.defaultBooleanValue) {
                        return Optional.of(" " + val.optionSwitch + " ");
                    }
                } else {
                    return Optional.of(" " + val.optionSwitch + " " + currentValue);
                }
            }
        }

    } catch (Exception ex) {

    }
    return Optional.absent();
}