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.android.camera.one.OneCameraModule.java

/**
 * Creates a new hardware manager that is based on Camera2 API, if available.
 *
 * @throws OneCameraException Thrown if an error occurred while trying to
 *             access the camera which may occur when accessing the legacy
 *             hardware manager./*from   w  w w .j  a  va2  s.co  m*/
 */
public static OneCameraManager provideOneCameraManager() throws OneCameraException {
    Optional<Camera2OneCameraManagerImpl> camera2HwManager = Camera2OneCameraManagerImpl.create();
    if (camera2HwManager.isPresent()) {
        return camera2HwManager.get();
    }

    Optional<LegacyOneCameraManagerImpl> legacyHwManager = LegacyOneCameraManagerImpl.instance();
    if (legacyHwManager.isPresent()) {
        return legacyHwManager.get();
    }

    throw new OneCameraException("No hardware manager is available.");
}

From source file:com.palantir.giraffe.internal.ProcessStreamHandler.java

private static SharedByteArrayStream newStreamWithWindow(Optional<Integer> window) {
    if (window.isPresent()) {
        return new SharedByteArrayStream(window.get());
    } else {//w w w.  ja v  a 2  s  .  co  m
        return new SharedByteArrayStream();
    }
}

From source file:org.sonar.server.computation.task.projectanalysis.step.UpdateQualityProfilesLastUsedDateStep.java

private static Set<QualityProfile> parseQualityProfiles(Optional<Measure> measure) {
    if (!measure.isPresent()) {
        return emptySet();
    }/*from  w w w  .j a  v  a  2s  .  c  o  m*/

    String data = measure.get().getStringValue();
    return data == null ? emptySet() : QPMeasureData.fromJson(data).getProfiles();
}

From source file:org.opennms.newts.rest.Transform.java

static Optional<Duration> toDuration(Optional<DurationParam> value) {
    return value.isPresent() ? Optional.of(value.get().get()) : Optional.<Duration>absent();
}

From source file:com.eucalyptus.auth.euare.EuareRemoteRegionFilter.java

private static boolean isNonLocalRegion(final Optional<RegionInfo> regionInfo) {
    return regionInfo.isPresent()
            && !RegionConfigurations.getRegionName().asSet().contains(regionInfo.get().getName());
}

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

public static <T> T readValue(Config config, String key, Class<T> type) {
    Optional<T> val = config.readValue(key, type);
    if (!val.isPresent()) {
        LOG.error("missing:{}", key);
        throw new RuntimeException("missing:" + key);
    }/* w  w w . j  a va2s  .c  o m*/
    return val.get();
}

From source file:ph.devcon.android.category.db.Category.java

public static Category toCategory(CategoryAPI categoryAPI) {
    Category category = null;/*  ww  w  .  j a  v  a  2s  . c om*/
    Optional<CategoryAPI> categoryAPIOptional = Optional.fromNullable(categoryAPI);
    if (categoryAPIOptional.isPresent()) {
        String categoryName = categoryAPIOptional.get().getName();
        if (!Util.isNullOrEmpty(categoryName)) {
            category = new Category();
            category.setName(categoryAPIOptional.get().getName());
        }
    }
    return category;
}

From source file:org.opennms.newts.rest.Transform.java

static Optional<Timestamp> toTimestamp(Optional<TimestampParam> value) {
    return value.isPresent() ? Optional.of(value.get().get()) : Optional.<Timestamp>absent();
}

From source file:io.crate.planner.Limits.java

public static Optional<Symbol> mergeAdd(Optional<Symbol> s1, Optional<Symbol> s2) {
    if (s1.isPresent()) {
        if (s2.isPresent()) {
            return Optional.of(AddFunction.of(s1.get(), s2.get()));
        }//from w ww . j a v a2 s  .com
        return s1;
    }
    return s2;
}

From source file:de.flapdoodle.java2pandoc.parser.BlockToTypedBlockConverter.java

@Nonnull
@VisibleForTesting/*  ww w .j  a v  a  2 s  .  c o m*/
protected static TypedBlock guessTypedBlock(Block block) {
    Optional<Block> unpackedComment = unpackComment(block);
    if (unpackedComment.isPresent()) {
        return new TypedBlock(TypedBlock.Type.Text, unpackedComment.get());
    }
    return new TypedBlock(TypedBlock.Type.Code, block);
}