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

Introduction

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

Prototype

@Beta
public abstract T or(Supplier<? extends T> supplier);

Source Link

Document

Returns the contained instance if it is present; supplier.get() otherwise.

Usage

From source file:software.betamax.Recorder.java

/**
 * Starts the Recorder, inserting a tape with the specified parameters.
 *
 * @param tapeName the name of the tape.
 * @param mode the tape mode. If not supplied the default mode from the configuration is used.
 * @param matchRule the rules used to match recordings on the tape. If not supplied a default is used.
 *
 * @throws IllegalStateException if the Recorder is already started.
 *///from   w w w.  ja v a 2  s. c om
public void start(String tapeName, Optional<TapeMode> mode, Optional<MatchRule> matchRule) {
    if (tape != null) {
        throw new IllegalStateException("start called when Recorder is already started");
    }

    tape = getTapeLoader().loadTape(tapeName);
    tape.setMode(mode.or(configuration.getDefaultMode()));
    tape.setMatchRule(matchRule.or(configuration.getDefaultMatchRule()));

    for (RecorderListener listener : listeners) {
        listener.onRecorderStart(tape);
    }
}

From source file:co.paralleluniverse.fibers.dropwizard.MyDropwizardApp.java

@GET
@Path("/http")
@Timed/* w  w  w  .j  a v a 2s. c om*/
public String http(@QueryParam("name") Optional<String> name)
        throws InterruptedException, SuspendExecution, IOException {
    return httpClient.execute(new HttpGet("http://localhost:8080/?sleep=10&name=" + name.or("name")),
            new BasicResponseHandler());
}

From source file:org.geogit.cli.porcelain.Show.java

private void printRaw(GeogitCLI cli) throws IOException {
    ConsoleReader console = cli.getConsole();
    GeoGIT geogit = cli.getGeogit();/*from   ww w  .j a  v a  2 s. c om*/
    for (String ref : refs) {
        Optional<RevObject> obj = geogit.command(RevObjectParse.class).setRefSpec(ref).call();
        checkParameter(obj.isPresent(), "refspec did not resolve to any object.");
        RevObject revObject = obj.get();
        if (revObject instanceof RevFeature) {
            RevFeatureType ft = geogit.command(ResolveFeatureType.class).setRefSpec(ref).call().get();
            ImmutableList<PropertyDescriptor> attribs = ft.sortedDescriptors();
            RevFeature feature = (RevFeature) revObject;
            Ansi ansi = super.newAnsi(console.getTerminal());
            ansi.a(ref).newline();
            ansi.a(feature.getId().toString()).newline();
            ImmutableList<Optional<Object>> values = feature.getValues();
            int i = 0;
            for (Optional<Object> value : values) {
                ansi.a(attribs.get(i).getName()).newline();
                ansi.a(value.or("[NULL]").toString()).newline();
                i++;
            }
            console.println(ansi.toString());
        } else {
            CharSequence s = geogit.command(CatObject.class).setObject(Suppliers.ofInstance(revObject)).call();
            console.println(s);
        }
    }
}

From source file:org.apache.rya.indexing.pcj.fluo.app.observers.ConstructQueryResultObserver.java

private void insertTriples(TransactionBase tx, final Collection<RyaStatement> triples) {

    for (final RyaStatement triple : triples) {
        Optional<byte[]> visibility = Optional.fromNullable(triple.getColumnVisibility());
        try {/*from   w  w w .  j ava2 s  .c o  m*/
            tx.set(Bytes.of(spoFormat(triple)), FluoQueryColumns.TRIPLES, Bytes.of(visibility.or(new byte[0])));
        } catch (final TripleRowResolverException e) {
            log.error("Could not convert a Triple into the SPO format: " + triple);
        }
    }
}

From source file:org.eclipse.buildship.core.workspace.internal.ClasspathContainerUpdater.java

private ClasspathContainerUpdater(IJavaProject project,
        Optional<List<OmniEclipseClasspathContainer>> containers, OmniJavaSourceSettings sourceSettings) {
    this.project = project;
    this.gradleSupportsContainers = containers.isPresent();
    this.containers = containers.or(Collections.<OmniEclipseClasspathContainer>emptyList());
    this.sourceSettings = sourceSettings;
}

From source file:com.pinterest.teletraan.resource.Groups.java

@GET
@Path("/names")
public List<String> getGroupNames(@QueryParam("start") Optional<Integer> start,
        @QueryParam("size") Optional<Integer> size) throws Exception {
    return groupHandler.getEnvGroupNames(start.or(1), size.or(DEFAULT_SIZE));
}

From source file:com.intuit.wasabi.authentication.impl.DefaultAuthentication.java

/**
 * @param authHeader The http authroization header
 * @return UserCredential for the authHeader
 *//* w  ww  . j ava  2  s. c  o  m*/
private UserCredential parseUsernamePassword(final Optional<String> authHeader) {
    if (!authHeader.isPresent()) {
        throw new AuthenticationException("Null Authentication Header is not supported");
    }

    if (!authHeader.or(SPACE).contains(BASIC)) {
        throw new AuthenticationException("Only Basic Authentication is supported");
    }

    final String encodedUserPassword = authHeader.get().substring(authHeader.get().lastIndexOf(SPACE));
    String usernameAndPassword;

    LOGGER.trace("Base64 decoded username and password is: {}", encodedUserPassword);

    try {
        usernameAndPassword = new String(decodeBase64(encodedUserPassword.getBytes()));
    } catch (Exception e) {
        throw new AuthenticationException("error parsing username and password", e);
    }

    //Split username and password tokens
    String[] fields = usernameAndPassword.split(SEMICOLON);

    if (fields.length > 2) {
        throw new AuthenticationException("More than one username and password provided, or one contains ':'");
    } else if (fields.length < 2) {
        throw new AuthenticationException("Username or password are empty.");
    }

    if (isBlank(fields[0]) || isBlank(fields[1])) {
        throw new AuthenticationException("Username or password are empty.");
    }

    return new UserCredential(fields[0], fields[1]);
}

From source file:org.openqa.selenium.testing.drivers.ExternalDriverSupplier.java

@Override
public WebDriver get() {
    Optional<Supplier<WebDriver>> delegate = createDelegate(desiredCapabilities, requiredCapabilities);
    delegate = createForExternalServer(desiredCapabilities, requiredCapabilities, delegate);

    return delegate.or(Suppliers.<WebDriver>ofInstance(null)).get();
}

From source file:com.arpnetworking.configuration.BaseConfiguration.java

/**
 * {@inheritDoc}/*from w w w . j  a v a  2 s  .  com*/
 */
@Override
public long getPropertyAsLong(final String name, final long defaultValue) throws NumberFormatException {
    final Optional<Long> property = getPropertyAsLong(name);
    return property.or(defaultValue);
}

From source file:net.wouterdanes.docker.maven.AbstractDockerMojo.java

protected void enqueueForPushing(final String imageId, final Optional<String> nameAndTag) {
    getLog().info(String.format("Enqueuing image '%s' to be pushed with tag '%s'..", imageId,
            nameAndTag.or("<none>")));

    List<PushableImage> images = obtainListFromPluginContext(PUSHABLE_IMAGES_KEY);
    PushableImage newImage = new PushableImage(imageId, nameAndTag);
    if (!images.contains(newImage)) {
        images.add(newImage);//from w ww . j ava 2s.  co m
    }
}