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

Introduction

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

Prototype

public static <T> Optional<T> fromNullable(@Nullable T nullableReference)

Source Link

Document

If nullableReference is non-null, returns an Optional instance containing that reference; otherwise returns Optional#absent .

Usage

From source file:springfox.documentation.service.Tags.java

public static Function<String, String> descriptor(final Map<String, Tag> tagLookup,
        final String defaultDescription) {

    return new Function<String, String>() {
        @Override//from   ww  w  . ja  v a 2s  .  c o  m
        public String apply(String input) {
            return Optional.fromNullable(tagLookup.get(input)).transform(toTagDescription())
                    .or(defaultDescription);
        }
    };
}

From source file:it.f2informatica.core.services.UserServiceImpl.java

@Override
public Optional<UserModel> findUserById(String userId) {
    return Optional.fromNullable(userRepositoryGateway.findUserById(userId));
}

From source file:com.github.mmichaelis.hamcrest.nextdeed.concurrent.ThrowAssertionError.java

@Override
public R apply(@Nullable WaitTimeoutEvent<T, R> input) {
    assert input != null : "null values unexpected";
    R lastResult = input.getLastResult();
    assertThat(Optional.fromNullable(reason).or(""), lastResult, matcher);
    // Will never get here unless as last validation the actual value eventually matches,
    // which actually means that the matcher responds differently on the same value.
    return lastResult;
}

From source file:com.opower.rest.client.generator.extractors.DefaultClientErrorHandler.java

public DefaultClientErrorHandler(List<ClientErrorInterceptor> interceptors) {
    this.interceptors = Optional.fromNullable(interceptors).or(new ArrayList<ClientErrorInterceptor>());
}

From source file:org.grycap.gpf4med.model.util.Value.java

public void setValue(final String value) {
    this.value = Optional.fromNullable(value);
}

From source file:org.locationtech.geogig.model.impl.RevPersonImpl.java

/**
 * @return the name
 */
@Override
public Optional<String> getName() {
    return Optional.fromNullable(name);
}

From source file:springfox.documentation.spi.schema.contexts.ModelPropertyContext.java

public ModelPropertyContext(ModelPropertyBuilder builder, AnnotatedElement annotatedElement,
        TypeResolver resolver, DocumentationType documentationType) {

    this.builder = builder;
    this.resolver = resolver;
    this.annotatedElement = Optional.fromNullable(annotatedElement);
    this.beanPropertyDefinition = Optional.absent();
    this.documentationType = documentationType;
}

From source file:org.opendaylight.controller.config.yang.config.netconf.northbound.impl.NetconfServerMonitoringModule.java

@Override
public java.lang.AutoCloseable createInstance() {
    return new NetconfMonitoringServiceImpl(getAggregatorDependency(),
            Optional.fromNullable(getScheduledThreadpoolDependency()), getMonitoringUpdateInterval());
}

From source file:org.apache.aurora.scheduler.storage.mem.MemLockStore.java

@Override
public Optional<ILock> fetchLock(ILockKey lockKey) {
    return Optional.fromNullable(locks.get(lockKey));
}

From source file:me.lazerka.gae.jersey.oauth2.facebook.FacebookUserPrincipal.java

public Optional<AccessTokenResponse> getAccessTokenResponse() {
    return Optional.fromNullable(accessTokenResponse);
}