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.obm.push.mail.bean.Flag.java

public static Flag from(String value) {
    Optional<Flag> systemFlag = isSystemFlag(value);
    if (systemFlag.isPresent()) {
        return systemFlag.get();
    }/*from  www .j a v a2 s . c o m*/
    return new Flag(value, false);
}

From source file:de.azapps.tools.OptionalUtils.java

public static <T> void writeToParcel(final @NonNull Parcel dest, final @NonNull Optional<T> value) {
    dest.writeValue(value.isPresent());//w  w  w.ja v  a2  s  .com
    if (value.isPresent()) {
        dest.writeValue(value.get());
    }
}

From source file:auto.http.internal.codegen.SourceFileGenerationException.java

private static String createMessage(Optional<ClassName> generatedClassName, String message) {
    return String.format("Could not generate %s: %s.",
            generatedClassName.isPresent() ? generatedClassName.get() : "unknown file", message);
}

From source file:org.opendaylight.controller.md.sal.dom.store.impl.tree.TreeNodeUtils.java

public static <T extends StoreTreeNode<T>> Optional<T> getChild(final Optional<T> parent,
        final PathArgument child) {
    if (parent.isPresent()) {
        return parent.get().getChild(child);
    }//from w  w w.j  a  va 2 s . co  m
    return Optional.absent();
}

From source file:com.github.filosganga.geogson.model.Matchers.java

public static <T> Matcher<Optional<? extends T>> optionalThatContain(final Matcher<? extends T> matcher) {

    return new TypeSafeMatcher<Optional<? extends T>>() {
        @Override/*  ww  w .j a v  a2 s .  co m*/
        protected boolean matchesSafely(Optional<? extends T> item) {
            return item.isPresent() && matcher.matches(item.get());
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("Optional that contains ").appendDescriptionOf(matcher);
        }
    };

}

From source file:com.facebook.buck.apple.ApplePlatforms.java

public static AppleCxxPlatform getAppleCxxPlatformForBuildTarget(
        FlavorDomain<CxxPlatform> cxxPlatformFlavorDomain, CxxPlatform defaultCxxPlatform,
        ImmutableMap<Flavor, AppleCxxPlatform> platformFlavorsToAppleCxxPlatforms, BuildTarget target,
        Optional<FatBinaryInfo> fatBinaryInfo) {
    AppleCxxPlatform appleCxxPlatform;//from  w w  w  . jav  a  2  s  .c o  m
    if (fatBinaryInfo.isPresent()) {
        appleCxxPlatform = fatBinaryInfo.get().getRepresentativePlatform();
    } else {
        CxxPlatform cxxPlatform = getCxxPlatformForBuildTarget(cxxPlatformFlavorDomain, defaultCxxPlatform,
                target);
        appleCxxPlatform = platformFlavorsToAppleCxxPlatforms.get(cxxPlatform.getFlavor());
        if (appleCxxPlatform == null) {
            throw new HumanReadableException("%s: Apple bundle requires an Apple platform, found '%s'", target,
                    cxxPlatform.getFlavor().getName());
        }
    }

    return appleCxxPlatform;
}

From source file:org.sonar.server.computation.task.projectanalysis.step.QualityProfileEventsStep.java

private static Map<String, QualityProfile> parseJsonData(Optional<Measure> measure) {
    String data = measure.get().getStringValue();
    if (data == null) {
        return Collections.emptyMap();
    }//  ww w  .  jav  a  2s  .  co m
    return QPMeasureData.fromJson(data).getProfilesByKey();
}

From source file:com.google.caliper.runner.PlatformModule.java

/**
 * Chooses the {@link DalvikPlatform} if available, otherwise uses the default
 * {@link JvmPlatform}./*from   w  w  w  . j  a  v  a2s .c o m*/
 */
@Provides
static Platform providePlatform(Optional<DalvikPlatform> optionalDalvikPlatform,
        Provider<JvmPlatform> jvmPlatformProvider) {
    if (optionalDalvikPlatform.isPresent()) {
        return optionalDalvikPlatform.get();
    } else {
        return jvmPlatformProvider.get();
    }
}

From source file:gobblin.http.HttpClientConfiguratorLoader.java

private static Class<? extends HttpClientConfigurator> getConfiguratorClass(Optional<String> configuratorType)
        throws ClassNotFoundException {
    return configuratorType.isPresent() ? TYPE_RESOLVER.resolveClass(configuratorType.get())
            : DEFAULT_CONFIGURATOR_CLASS;
}

From source file:net.pterodactylus.sonitus.io.Mp3Identifier.java

/**
 * Tries to identify the MP3 file contained in the given stream.
 *
 * @param inputStream//from  w w w. j  a va2 s  .  com
 *       The input stream
 * @return The identified metadata, or {@link Optional#absent()} if the
 *         metadata can not be identified
 * @throws IOException
 *       if an I/O error occurs
 */
public static Optional<Metadata> identify(InputStream inputStream) throws IOException {
    Parser mp3Parser = new Parser(inputStream);
    Frame frame = mp3Parser.nextFrame();
    FormatMetadata formatMetadata = new FormatMetadata((frame.channelMode() == SINGLE_CHANNEL) ? 1 : 2,
            frame.samplingRate(), "MP3");
    ContentMetadata contentMetadata = new ContentMetadata("");
    /* check for ID3v2 tag. */
    Optional<byte[]> id3v2TagBuffer = mp3Parser.getId3Tag();
    if (id3v2TagBuffer.isPresent()) {
        byte[] buffer = id3v2TagBuffer.get();
        ByteArrayInputStream tagInputStream = new ByteArrayInputStream(
                Arrays.copyOfRange(buffer, 3, buffer.length));
        try {
            /* skip ID3? header tag. */
            ID3V2Tag id3v2Tag = ID3V2Tag.read(tagInputStream);
            if (id3v2Tag != null) {
                contentMetadata = contentMetadata.artist(id3v2Tag.getArtist()).name(id3v2Tag.getTitle());
            }
        } catch (ID3Exception id3e1) {
            id3e1.printStackTrace();
        } finally {
            close(tagInputStream, true);
        }
    }
    return Optional.of(new Metadata(formatMetadata, contentMetadata));
}