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

Introduction

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

Prototype

public static <T> Optional<T> absent()

Source Link

Document

Returns an Optional instance with no contained reference.

Usage

From source file:springfox.documentation.swagger.schema.ApiModelPropertyPropertyBuilder.java

@Override
public void apply(ModelPropertyContext context) {
    Optional<ApiModelProperty> annotation = Optional.absent();

    if (context.getAnnotatedElement().isPresent()) {
        annotation = annotation.or(findApiModePropertyAnnotation(context.getAnnotatedElement().get()));
    }//  ww  w .  j a v  a 2s . c om
    if (context.getBeanPropertyDefinition().isPresent()) {
        annotation = annotation
                .or(findPropertyAnnotation(context.getBeanPropertyDefinition().get(), ApiModelProperty.class));
    }
    if (annotation.isPresent()) {
        context.getBuilder().allowableValues(annotation.transform(toAllowableValues()).orNull())
                .required(annotation.transform(toIsRequired()).or(false))
                .readOnly(annotation.transform(toIsReadOnly()).or(false))
                .description(annotation.transform(toDescription()).orNull())
                .isHidden(annotation.transform(toHidden()).or(false))
                .type(annotation.transform(toType(context.getResolver())).orNull())
                .position(annotation.transform(toPosition()).or(0))
                .example(annotation.transform(toExample()).orNull());
    }
}

From source file:org.mayocat.shop.payment.AbstractGatewayFactory.java

/**
 * @return this gateway global (server-level) configuration file
 *
 * @param fileName the name of the file to retrieve
 *//*w w w.  jav  a2 s . c  o m*/
protected Optional<File> getTenantConfigurationFile(String fileName) {
    if (this.context.getTenant() == null) {
        return Optional.absent();
    }
    return Optional.of(filesSettings.getPermanentDirectory().resolve(TENANTS_DIRECTORY)
            .resolve(this.context.getTenant().getSlug()).resolve(PAYMENTS_DIRECTORY).resolve(this.getId())
            .resolve(fileName).toFile());
}

From source file:org.vincibean.salestaxes.jaxb.JaxbFactory.java

/**
 * Factory method, creates a {@link Marshaller} from the context given in the constructor; moreover, ensure that
 * the marshalled XML data is formatted with linefeeds and indentation.  
 * @return an {@link Optional} object which may or may not contain a {@link Marshaller}
 *///from w  w w.j  a  va 2 s  . c om
public static Optional<Marshaller> createMarshaller(final Class<?> context) {
    try {
        Marshaller marshaller = JAXBContext.newInstance(context).createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.setSchema(SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI)
                .newSchema(new ClassPathResource("receipt/Poiuyt.xsd").getFile()));
        marshaller.setEventHandler(new FoobarValidationEventHandler());
        return Optional.fromNullable(marshaller);
    } catch (JAXBException | SAXException | IOException e) {
        logger.warn("Exception on jaxb factory creation: ", e);
        return Optional.absent();
    }
}

From source file:org.apache.druid.server.router.TimeBoundaryTieredBrokerSelectorStrategy.java

@Override
public Optional<String> getBrokerServiceName(TieredBrokerConfig tierConfig, Query query) {
    // Somewhat janky way of always selecting highest priority broker for this type of query
    if (query instanceof TimeBoundaryQuery) {
        return Optional.of(Iterables.getFirst(tierConfig.getTierToBrokerMap().values(),
                tierConfig.getDefaultBrokerServiceName()));
    }/*from   w  w  w .  j ava 2 s.com*/

    return Optional.absent();
}

From source file:org.eclipse.mylyn.internal.wikitext.commonmark.inlines.InlineParser.java

static List<Inline> secondPass(List<Inline> inlines) {
    List<Inline> processedInlines = ImmutableList.copyOf(inlines);
    Optional<InlinesSubstitution> substitution = Optional.absent();
    do {/*from  ww  w  .jav  a2s  .c  om*/
        for (Inline inline : processedInlines) {
            substitution = inline.secondPass(processedInlines);
            if (substitution.isPresent()) {
                processedInlines = substitution.get().apply(processedInlines);
                break;
            }
        }
    } while (substitution.isPresent());
    return processedInlines;
}

From source file:org.zanata.email.AbstractEmailStrategy.java

/**
 * Returns the From address to be used for this email.
 * If absent, use the default From address configured by the server
 *//*from w ww.  j ava  2s. co  m*/
public Optional<InternetAddress> getFromAddress() {
    return Optional.absent();
}

From source file:org.apache.aurora.scheduler.quota.QuotaCheckResult.java

@VisibleForTesting
public QuotaCheckResult(Result result) {
    this(result, Optional.absent());
}

From source file:org.brooklyncentral.catalog.scrape.CatalogItemScraper.java

private static CatalogItem parseCatalogItem(String repoUrl) {
    //TODO Properly handle required vs. optional failures

    String[] urlTokens = repoUrl.split("/");

    String repoName = urlTokens[urlTokens.length - 1];
    String author = urlTokens[urlTokens.length - 2];

    Optional<String> description = getGithubRawText(repoUrl, "README.md");
    Optional<String> documentation = getGithubRawText(repoUrl, "items.js");

    Optional<String> catalogBomString = getGithubRawText(repoUrl, "catalog.bom");
    @SuppressWarnings("unchecked")
    Map<String, Object> catalogBomYaml = (Map<String, Object>) Yamls.parseAll(catalogBomString.get()).iterator()
            .next();//from  w w  w  . ja  va  2  s  .  c  o  m

    Optional<String> masterCommitHash = Optional.absent();

    Optional<String> license;
    String licenseUrl = generateRawGithubUrl(repoUrl, "LICENSE.txt");

    if (urlExists(licenseUrl)) {
        license = Optional.of(getGithubRawText(repoUrl, "LICENSE.txt").get());
    } else {
        license = Optional.absent();
    }

    Optional<String> changelog;
    String changelogUrl = generateRawGithubUrl(repoUrl, "CHANGELOG.md");

    if (urlExists(changelogUrl)) {
        changelog = Optional.of(getGithubRawText(repoUrl, "CHANGELOG.md").get());
    } else {
        changelog = Optional.absent();
    }

    //TODO Actually create CatalogItem
    return null;
}

From source file:org.apache.gobblin.metrics.kafka.LoggingPusher.java

public LoggingPusher() {
    this(NO_BROKERS, NO_TOPIC, Optional.absent());
}

From source file:info.rynkowski.hamsterclient.data.repository.datasources.db.entities.mapper.DbFactMapper.java

public @Nonnull Fact transform(@Nonnull DbFact dbFact) {
    Calendar startTime = dbFact.getStartTime().getCalendar();

    Optional<Calendar> endTime = Optional.absent();
    if (dbFact.getEndTime().isPresent()) {
        endTime = Optional.of(dbFact.getEndTime().get().getCalendar());
    }/*from   w w w .  j  a v a2s.c o  m*/

    return new Fact.Builder() //
            .id(dbFact.getId()).activity(dbFact.getActivity()).category(dbFact.getCategory())
            .startTime(startTime).endTime(endTime).description(dbFact.getDescription()).tags(dbFact.getTags())
            .build();
}