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:org.opendaylight.controller.config.yangjmxgenerator.plugin.gofactory.ConcreteModuleGeneratedObjectFactory.java

public GeneratedObject toGeneratedObject(ModuleMXBeanEntry mbe, Optional<String> copyright,
        Optional<String> header) {
    FullyQualifiedName concreteFQN = new FullyQualifiedName(mbe.getPackageName(), mbe.getStubModuleName());
    FullyQualifiedName abstractFQN = new FullyQualifiedName(mbe.getPackageName(), mbe.getAbstractModuleName());
    Optional<String> classJavaDoc = Optional.fromNullable(mbe.getNullableDescription());
    return toGeneratedObject(concreteFQN, abstractFQN, copyright, header, classJavaDoc);
}

From source file:google.registry.request.RequestParameters.java

/** Returns the first GET or POST parameter associated with {@code name}. */
public static Optional<String> extractOptionalParameter(HttpServletRequest req, String name) {
    return Optional.fromNullable(emptyToNull(req.getParameter(name)));
}

From source file:org.jclouds.azureblob.options.CopyBlobOptions.java

private CopyBlobOptions(Map<String, String> userMetadata, Date ifModifiedSince, Date ifUnmodifiedSince,
        String ifMatch, String ifNoneMatch) {
    this.userMetadata = Optional.fromNullable(userMetadata);
    this.ifModifiedSince = Optional.fromNullable(ifModifiedSince);
    this.ifUnmodifiedSince = Optional.fromNullable(ifUnmodifiedSince);
    this.ifMatch = Optional.fromNullable(ifMatch);
    this.ifNoneMatch = Optional.fromNullable(ifNoneMatch);
}

From source file:com.dangdang.ddframe.job.console.service.impl.JobAPIServiceImpl.java

@Override
public JobSettingsAPI getJobSettingsAPI() {
    RegistryCenterConfiguration regCenterConfig = SessionRegistryCenterConfiguration
            .getRegistryCenterConfiguration();
    return JobAPIFactory.createJobSettingsAPI(regCenterConfig.getZkAddressList(),
            regCenterConfig.getNamespace(), Optional.fromNullable(regCenterConfig.getDigest()));
}

From source file:test.com.wealdtech.configuration.SampleConfiguration.java

@JsonCreator
public SampleConfiguration(@JsonProperty("test string") final String testString,
        @JsonProperty("test int") final Integer testInt,
        @JsonProperty("test optional") final String testOptional,
        @JsonProperty("sub configuration") final test.com.wealdtech.configuration.SampleSubConfiguration sampleSubConfiguration) {
    this.testString = Objects.firstNonNull(testString, this.testString);
    this.testInt = Objects.firstNonNull(testInt, this.testInt);
    this.testOptional = Optional.fromNullable(testOptional);
    this.subconfig = sampleSubConfiguration;
}

From source file:com.qcadoo.mes.productionPerShift.hooks.ProductionPerShiftHooks.java

public void onSave(final DataDefinition dataDefinition, final Entity pps) {
    Optional<Entity> maybeOrder = Optional.fromNullable(pps.getBelongsToField(ProductionPerShiftFields.ORDER));
    for (Entity order : maybeOrder.asSet()) {
        progressDatesService.setUpDatesFor(order);
    }//from   w w w . j  a  v  a2 s .c o m
}

From source file:gg.uhc.uhc.modules.reset.actions.Action.java

protected Optional<Player> getPlayer() {
    return Optional.fromNullable(Bukkit.getPlayer(uuid));
}

From source file:org.eclipse.epp.internal.logging.aeri.ui.model.ServerResponse.java

public void setCommitterMessage(String committerMessage) {
    this.committerMessage = Optional.fromNullable(committerMessage);
}

From source file:io.crate.sql.tree.WindowFrame.java

public WindowFrame(Type type, FrameBound start, FrameBound end) {
    this.type = checkNotNull(type, "type is null");
    this.start = checkNotNull(start, "start is null");
    this.end = Optional.fromNullable(end);
}

From source file:com.bazaarvoice.dropwizard.caching.memcached.MemcachedResponseStore.java

@Override
public Optional<CachedResponse> get(String key) {
    checkNotNull(key);// w  ww . j  av a  2s  . c  o m
    checkArgument(key.length() > 0, "key can not be empty");
    return Optional.fromNullable(_client.get(buildKey(key), CachedResponseTranscoder.INSTANCE));
}