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.locationtech.geogig.repository.SpatialOps.java

@Nullable
public static Envelope boundsOf(RevFeature feat) {
    Envelope env = null;/*from w  w w. j a  va 2  s.  c  om*/
    for (Optional<Object> opt : feat.getValues()) {
        if (opt.isPresent() && opt.get() instanceof Geometry) {
            if (env == null) {
                env = new Envelope();
            }
            env.expandToInclude(((Geometry) opt.get()).getEnvelopeInternal());
        }
    }
    return env;
}

From source file:org.opendaylight.controller.config.yangjmxgenerator.plugin.java.GeneratedObjectBuilder.java

private static String maybeAddComment(Optional<String> comment, boolean isJavadoc) {
    if (comment.isPresent()) {
        String input = comment.get();
        return StringUtil.writeComment(input, isJavadoc);
    } else {/*from   ww w.j ava  2 s  . c o  m*/
        return "";
    }
}

From source file:org.eclipse.recommenders.utils.rcp.UUIDHelper.java

public static String getUUID() {
    final Optional<String> uuid = lookupUUIDFromStore();
    if (uuid.isPresent()) {
        return uuid.get();
    }// w w  w.  j ava 2 s. c o m
    final String newUuid = generateGlobalUUID();
    storeUUID(newUuid);
    return newUuid;
}

From source file:org.sonar.server.computation.formula.coverage.CoverageUtils.java

static MeasureVariations getMeasureVariations(CounterInitializationContext counterContext, String metricKey) {
    Optional<Measure> measure = counterContext.getMeasure(metricKey);
    if (!measure.isPresent() || !measure.get().hasVariations()) {
        return DEFAULT_VARIATIONS;
    }//from   ww w .  j  a  va2  s .  co m
    return measure.get().getVariations();
}

From source file:org.opendaylight.protocol.bgp.openconfig.impl.openconfig.BGPNeighborProviderImpl.java

private static String getPasswor(final Optional<Rfc2385Key> maybePassword) {
    if (maybePassword.isPresent()) {
        return maybePassword.get().getValue();
    }//from   w w w  . ja  v  a  2 s  .  c o m
    return null;
}

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.assertj.guava.error.OptionalShouldBeAbsent.java

public static <T> ErrorMessageFactory shouldBeAbsent(final Optional<T> actual) {
    return new OptionalShouldBeAbsent(
            "Expecting Optional to contain nothing (absent Optional) but contained <%s>", actual.get());
}

From source file:org.apache.usergrid.persistence.model.entity.EntityMap.java

public static Optional<EntityMap> fromEntity(Optional<Entity> entity) {
    if (entity.isPresent()) {
        EntityMap map = fromEntity(entity.get());
        return Optional.fromNullable(map);
    } else {/*from w  ww. j  a v a 2s.c  o m*/
        return Optional.absent();
    }
}

From source file:org.apache.aurora.scheduler.http.api.security.FieldGetters.java

public static <P extends TBase<P, ?>, C extends TBase<C, ?>, G extends TBase<G, ?>> FieldGetter<P, G> compose(
        final FieldGetter<P, C> parent, final FieldGetter<C, G> child) {

    return new FieldGetter<P, G>() {
        @Override/*from   w ww .  j  a v a  2 s  .  c om*/
        public Class<P> getStructClass() {
            return parent.getStructClass();
        }

        @Override
        public Class<G> getValueClass() {
            return child.getValueClass();
        }

        @Override
        public Optional<G> apply(P input) {
            Optional<C> parentValue = parent.apply(input);
            if (parentValue.isPresent()) {
                return child.apply(parentValue.get());
            } else {
                return Optional.absent();
            }
        }
    };
}

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

public static <T> List<T> all(final Collection<Optional<T>> theCollection) {
    List<T> aList = Lists.newArrayList();
    for (Optional<T> aOpt : theCollection) {
        if (aOpt.isPresent()) {
            aList.add(aOpt.get());
        }/*from w  w  w.  java2  s  .  c o  m*/
    }

    return aList;
}