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

Introduction

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

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

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  o m*/
    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:com.github.jsdossier.jscomp.Types.java

private static boolean hasTypeExpression(Optional<JSDocInfo.Marker> marker) {
    return marker.isPresent() && marker.get().getType() != null;
}

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

@CheckForNull
private static Analysis toAnalysis(Optional<SnapshotDto> snapshotDto) {
    if (snapshotDto.isPresent()) {
        SnapshotDto dto = snapshotDto.get();
        return new Analysis.Builder().setId(dto.getId()).setUuid(dto.getUuid()).setCreatedAt(dto.getCreatedAt())
                .build();/*  w w w. j  a v a  2 s  .  co  m*/
    }
    return null;
}

From source file:org.geogit.storage.FieldType.java

public static FieldType forValue(Optional<Object> field) {
    if (field.isPresent()) {
        Object realField = field.get();
        Class<?> fieldClass = realField.getClass();
        return forBinding(fieldClass);
    } else {//w  w  w .j a  v  a 2s.  co m
        return NULL;
    }
}

From source file:com.facebook.buck.util.environment.MacWifiSsidFinder.java

private static Optional<String> getSsidFromInterface(Optional<Proxy> defaultInterface) {
    if (!defaultInterface.isPresent()) {
        LOG.debug("No Wi-Fi interface found.");
        return Optional.absent();
    }/*from  w  w  w.  j a  va2s  .co  m*/
    LOG.debug("Getting SSID from Wi-Fi interface: %s", defaultInterface.get());

    // NSString *ssid = [defaultInterface ssid];
    Object ssid = defaultInterface.get().send("ssid");
    if (ssid == null) {
        LOG.debug("No SSID found for interface %s.", defaultInterface.get());
        return Optional.absent();
    }
    if (!(ssid instanceof String)) {
        LOG.error("Fetched SSID, but got unexpected non-string type (got: %s).", ssid);
        return Optional.absent();
    }

    String ssidString = (String) ssid;
    LOG.debug("Found SSID: %s", ssidString);
    return Optional.of(ssidString);
}

From source file:org.mayocat.image.ImageDataLoader.java

private static <T> Predicate<Optional<T>> present() {
    return new Predicate<Optional<T>>() {
        public boolean apply(Optional<T> optional) {
            return optional.isPresent();
        }/*ww w  .j  a  v a  2  s .c om*/
    };
}

From source file:springfox.documentation.spring.web.readers.operation.ModelRefs.java

public static Optional<ModelRef> modelRef(Optional<ResolvedType> type, ModelContext modelContext,
        TypeNameExtractor nameExtractor) {
    if (!type.isPresent()) {
        return Optional.absent();
    }/*  w ww .j a v  a 2 s  . c om*/
    return Optional.of(modelRef(type.get(), modelContext, nameExtractor));
}

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

public static AllowableRangeValues allowableRange(Optional<Min> min, Optional<Max> max) {
    AllowableRangeValues myvalues = null;

    if (min.isPresent() && max.isPresent()) {
        LOG.debug("@Min+@Max detected: adding AllowableRangeValues to field ");
        myvalues = new AllowableRangeValues(Double.toString(min.get().value()), false,
                Double.toString(max.get().value()), false);

    } else if (min.isPresent()) {
        LOG.debug("@Min detected: adding AllowableRangeValues to field ");
        myvalues = new AllowableRangeValues(Double.toString(min.get().value()), false, null, null);

    } else if (max.isPresent()) {
        LOG.debug("@Max detected: adding AllowableRangeValues to field ");
        myvalues = new AllowableRangeValues(null, null, Double.toString(max.get().value()), false);
    }//from  w w w. jav  a 2  s  .  c o  m
    return myvalues;
}

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

public static Optional<String> getIdentifier(final ITypeBinding b) {
    if (b == null) {
        return absent();
    }// ww  w  .  j  av  a2 s  . c  o  m
    final Optional<ITypeName> opt = BindingUtils.toTypeName(b);
    if (!opt.isPresent()) {
        return absent();
    }
    return of(opt.get().getIdentifier());
}

From source file:gobblin.commit.DeliverySemantics.java

/**
 * Get the devliery semantics type from {@link ConfigurationKeys#DELIVERY_SEMANTICS}.
 * The default value is {@link Type#AT_LEAST_ONCE}.
 *//* www .  j  a va  2s  .c om*/
public static DeliverySemantics parse(State state) {
    String value = state.getProp(ConfigurationKeys.GOBBLIN_RUNTIME_DELIVERY_SEMANTICS, AT_LEAST_ONCE.toString())
            .toUpperCase();
    Optional<DeliverySemantics> semantics = Enums.getIfPresent(DeliverySemantics.class, value);
    Preconditions.checkState(semantics.isPresent(), value + " is not a valid delivery semantics");
    return semantics.get();
}