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

List of usage examples for com.google.common.base Optional get

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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.sonar.server.ws.WsUtils.java

public static <T> T checkFoundWithOptional(java.util.Optional<T> value, String message,
        Object... messageArguments) {
    if (!value.isPresent()) {
        throw new NotFoundException(format(message, messageArguments));
    }//from   ww w. j a  v a 2 s . com

    return value.get();
}

From source file:io.mesosphere.mesos.util.ProtoUtils.java

@NotNull
public static Optional<String> resourceValueRole(@NotNull final Optional<Resource> resource) {
    if (resource.isPresent()) {
        return Optional.of(resource.get().getRole());
    } else {/*from   w w w.  j av a 2  s. c om*/
        return Optional.absent();
    }
}

From source file:org.bin01.db.verifier.DbVerifier.java

public static <T> T loadConfig(Class<T> clazz, Optional<String> path) throws IOException {
    ImmutableMap.Builder<String, String> map = ImmutableMap.builder();
    ConfigurationLoader loader = new ConfigurationLoader();
    if (path.isPresent()) {
        map.putAll(loader.loadPropertiesFrom(path.get()));
    }//w w w  .  j  a  v a  2  s  .c o  m
    map.putAll(loader.getSystemProperties());
    return new ConfigurationFactory(map.build()).build(clazz);
}

From source file:org.locationtech.geogig.cli.app.Logging.java

static void tryConfigureLogging(Platform platform, @Nullable final String repoURI) {
    System.setProperty("hsqldb.reconfig_logging", "false"); // stop hsql from reseting logging
    // instantiate and call ResolveGeogigDir directly to avoid calling getGeogig() and hence get
    // some logging events before having configured logging
    Hints hints = new Hints();
    try {/*from  w w w . j a v  a  2 s .c  o m*/
        if (repoURI != null) {
            URI uri = new URI(repoURI);
            hints.set(Hints.REPOSITORY_URL, uri);
        }
    } catch (URISyntaxException ignore) {
        // not our call to do anything with a wrong URI here
    }
    final Optional<URI> geogigDirUrl = new ResolveGeogigURI(platform, hints).call();
    if (!geogigDirUrl.isPresent() || !"file".equalsIgnoreCase(geogigDirUrl.get().getScheme())) {
        // redirect java.util.logging to SLF4J anyways
        SLF4JBridgeHandler.removeHandlersForRootLogger();
        SLF4JBridgeHandler.install();
        return;
    }

    final File geogigDir = new File(geogigDirUrl.get());

    if (repoURI == null && geogigDir.equals(geogigDirLoggingConfiguration)) {
        return;
    }

    if (!geogigDir.exists() || !geogigDir.isDirectory()) {
        return;
    }
    final URL loggingFile = getOrCreateLoggingConfigFile(geogigDir);

    if (loggingFile == null) {
        return;
    }

    try {
        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
        loggerContext.reset();
        /*
         * Set the geogigdir variable for the config file can resolve the default location
         * ${geogigdir}/log/geogig.log
         */
        loggerContext.putProperty("geogigdir", geogigDir.getAbsolutePath());
        JoranConfigurator configurator = new JoranConfigurator();
        configurator.setContext(loggerContext);
        configurator.doConfigure(loggingFile);

        // redirect java.util.logging to SLF4J
        SLF4JBridgeHandler.removeHandlersForRootLogger();
        SLF4JBridgeHandler.install();
        geogigDirLoggingConfiguration = geogigDir;
    } catch (JoranException e) {
        LOGGER.error("Error configuring logging from file {}. '{}'", loggingFile, e.getMessage(), e);
    }
}

From source file:extrabiomes.handlers.BiomeHandler.java

public static void enableBiomes() {
    final Set<WorldType> worldTypes = BiomeHelper.discoverWorldTypes();

    for (final BiomeSettings setting : BiomeSettings.values()) {
        final Optional<? extends BiomeGenBase> biome = setting.getBiome();
        if (!setting.isVanilla()) {
            if (setting.isEnabled() && biome.isPresent()) {
                BiomeHelper.enableBiome(worldTypes, biome.get());
            } else {
                LogHelper.fine("Custom biome %s disabled.", setting.toString());
            }/*from   w  ww  .  j  av a2 s .  c om*/
        } else if (!setting.isEnabled()) {
            Extrabiomes.proxy.removeBiome(BiomeHelper.settingToBiomeGenBase(setting));
            LogHelper.fine("Vanilla biome %s disabled.", biome.toString());
        }

        if (setting.allowVillages() && biome.isPresent()) {
            BiomeManager.addVillageBiome(biome.get(), true);
            LogHelper.fine("Village spawning enabled for custom biome %s.", setting.toString());
        }
    }

}

From source file:gobblin.compliance.utils.DatasetUtils.java

public static String getProperty(HivePartitionDataset dataset, String property, long defaultValue) {
    Optional<String> propertyValueOptional = Optional.fromNullable(dataset.getParams().get(property));
    if (!propertyValueOptional.isPresent()) {
        return Long.toString(defaultValue);
    }// w  w  w  . j  a  v a 2 s.co m
    try {
        long propertyVal = Long.parseLong(propertyValueOptional.get());
        if (propertyVal < 0) {
            return Long.toString(defaultValue);
        } else {
            return Long.toString(propertyVal);
        }
    } catch (NumberFormatException e) {
        return Long.toString(defaultValue);
    }
}

From source file:ninja.utils.NinjaModeHelper.java

/**
 * returns NinjaMode.dev if no mode is set. Or the valid mode
 * set via a System Property called "ninja.mode".
 * //w w w .java 2  s.c  o m
 * E.g. under mvn you can use mvn ... -Dninja.mode=prod or so. Valid values
 * for ninja.mode are "prod", "dev", "test".
 * 
 * @return The valid mode set via a System Property called "ninja.mode"
 *          or NinjaMode.dev if it is not set.
 */
public static NinjaMode determineModeFromSystemPropertiesOrProdIfNotSet() {

    Optional<NinjaMode> ninjaModeOptional = determineModeFromSystemProperties();
    NinjaMode ninjaMode;

    if (!ninjaModeOptional.isPresent()) {
        ninjaMode = NinjaMode.prod;
    } else {
        ninjaMode = ninjaModeOptional.get();
    }

    logger.info("Ninja is running in mode {}", ninjaMode.toString());

    return ninjaMode;

}

From source file:com.vmware.photon.controller.apife.utils.PaginationUtils.java

/**
 * Determine the page size to be used.//from   ww w. j a  va 2  s. c o  m
 *
 * 1. If origPageSize is empty, then the one defined in paginationConfig is to be used.
 * 2. If origPageSize is larger than the maxPageSize defined in paginationConfig, throw exception.
 *
 * @param paginationConfig
 * @param origPageSize
 * @return
 */
public static Optional<Integer> determinePageSize(PaginationConfig paginationConfig,
        Optional<Integer> origPageSize) throws InvalidPageSizeException {

    if (!origPageSize.isPresent()) {
        return Optional.of(paginationConfig.getDefaultPageSize());
    } else if (origPageSize.get() < 1 || origPageSize.get() > paginationConfig.getMaxPageSize()) {
        throw new InvalidPageSizeException(origPageSize.get(), 1, paginationConfig.getMaxPageSize());
    } else {
        return origPageSize;
    }
}

From source file:org.eclipse.buildship.ui.view.task.TaskNodeSelectionUtils.java

private static Optional<FixedRequestAttributes> getFixedRequestAttributes(ProjectNode projectNode) {
    Optional<IProject> workspaceProject = projectNode.getWorkspaceProject();
    if (workspaceProject.isPresent() && GradleProjectNature.isPresentOn(workspaceProject.get())) {
        ProjectConfiguration projectConfiguration = CorePlugin.projectConfigurationManager()
                .readProjectConfiguration(workspaceProject.get());
        return Optional
                .of(projectConfiguration.toRequestAttributes(ConversionStrategy.IGNORE_WORKSPACE_SETTINGS));
    } else {/*from   w w w. j  a v a  2  s . com*/
        return Optional.absent();
    }
}

From source file:org.geogit.rest.repository.GeogitResourceUtils.java

public static Optional<GeoGIT> getGeogit(Request request) {
    Optional<String> repositoryName = getRepositoryName(request);
    if (!repositoryName.isPresent()) {
        return Optional.absent();
    }/* w ww. j  a  va 2 s. c o  m*/
    Optional<GeoGitDataStore> dataStore = findDataStore(request, repositoryName.get());
    if (!dataStore.isPresent()) {
        return Optional.absent();
    }
    return Optional.of(dataStore.get().getGeogit());
}