Example usage for com.google.common.base MoreObjects firstNonNull

Introduction

In this page you can find the example usage for com.google.common.base MoreObjects firstNonNull.

Prototype

@CheckReturnValue
public static <T> T firstNonNull(@Nullable T first, @Nullable T second)

Source Link

Document

Returns the first of two given parameters that is not null , if either is, or otherwise throws a NullPointerException .

Usage

From source file:org.glowroot.container.TempDirs.java

public static File createTempDir(String prefix) throws IOException {
    final int tempDirAttempts = 10000;
    String javaTempDir = MoreObjects.firstNonNull(StandardSystemProperty.JAVA_IO_TMPDIR.value(), ".");
    File baseDir = new File(javaTempDir);
    String baseName = prefix + "-" + System.currentTimeMillis() + "-";
    for (int counter = 0; counter < tempDirAttempts; counter++) {
        File tempDir = new File(baseDir, baseName + counter);
        if (tempDir.mkdir()) {
            return tempDir;
        }/*from   w ww.  ja v a  2 s .c om*/
    }
    throw new IOException("Failed to create directory within " + tempDirAttempts + " attempts (tried "
            + baseName + "0 to " + baseName + (tempDirAttempts - 1) + ')');
}

From source file:org.killbill.billing.payment.core.PaymentTransactionInfoPluginConverter.java

public static TransactionStatus toTransactionStatus(
        final PaymentTransactionInfoPlugin paymentTransactionInfoPlugin) {
    final PaymentPluginStatus status = MoreObjects.firstNonNull(paymentTransactionInfoPlugin.getStatus(),
            PaymentPluginStatus.UNDEFINED);
    switch (status) {
    case PROCESSED:
        return TransactionStatus.SUCCESS;
    case PENDING:
        return TransactionStatus.PENDING;
    // The naming is a bit inconsistent, but ERROR on the plugin side means PAYMENT_FAILURE (that is a case where transaction went through but did not
    // return successfully (e.g: CC denied, ...)
    case ERROR://from   w  ww. j a v  a2 s. c  o m
        return TransactionStatus.PAYMENT_FAILURE;
    //
    // The plugin is trying to tell us that it knows for sure that payment transaction did not happen (connection failure,..)
    case CANCELED:
        return TransactionStatus.PLUGIN_FAILURE;
    //
    // This will be picked up by Janitor to figure out what really happened and correct the state if needed
    // Note that the default case includes the null status
    //
    case UNDEFINED:
    default:
        return TransactionStatus.UNKNOWN;
    }
}

From source file:com.esofthead.mycollab.core.utils.FileUtils.java

public static File getUserFolder() {
    String userDir = MoreObjects.firstNonNull(System.getProperty("MYCOLLAB_APP_HOME"),
            System.getProperty("user.dir"));
    return new File(userDir);
}

From source file:com.amazonaws.services.cognito.streams.connector.AmazonCognitoStreamsEnvironmentOptions.java

static String getKinesisInputStream() {

    String variable = MoreObjects.firstNonNull(System.getProperty("KINESIS_INPUT_STREAM"),
            System.getProperty("PARAM1"));

    return variable;
}

From source file:org.opendaylight.openflowplugin.applications.frsync.util.FxChainUtil.java

public static FutureCallback<RpcResult<Void>> logResultCallback(final NodeId nodeId, final String prefix) {
    return new FutureCallback<RpcResult<Void>>() {
        @Override/*  w  w  w. j a  v  a2 s.  com*/
        public void onSuccess(@Nullable final RpcResult<Void> result) {
            if (result != null) {
                if (result.isSuccessful()) {
                    LOG.debug(prefix + " finished successfully: {}", nodeId.getValue());
                } else {
                    final Collection<RpcError> errors = MoreObjects.firstNonNull(result.getErrors(),
                            ImmutableList.<RpcError>of());
                    LOG.debug(prefix + " failed: {} -> {}", nodeId.getValue(),
                            Arrays.toString(errors.toArray()));
                }
            } else {
                LOG.debug(prefix + " reconciliation failed: {} -> null result", nodeId.getValue());
            }
        }

        @Override
        public void onFailure(final Throwable t) {
            LOG.debug(prefix + " reconciliation failed seriously: {}", nodeId.getValue(), t);
        }
    };
}

From source file:com.googlesource.gerrit.plugins.lfs.s3.S3LargeFileRepository.java

private static S3Config getS3Config(LfsGlobalConfig config, LfsBackend backendConfig) {
    String section = backendConfig.type.name();
    String region = config.getString(section, backendConfig.name, "region");
    String bucket = config.getString(section, backendConfig.name, "bucket");
    String storageClass = MoreObjects
            .firstNonNull(config.getString(section, backendConfig.name, "storageClass"), "REDUCED_REDUNDANCY");
    int expirationSeconds = config.getInt(section, backendConfig.name, "expirationSeconds", 60);
    boolean disableSslVerify = config.getBoolean(section, backendConfig.name, "disableSslVerify", false);

    String accessKey = config.getString(section, backendConfig.name, "accessKey");
    String secretKey = config.getString(section, backendConfig.name, "secretKey");

    return new S3Config(region, bucket, storageClass, accessKey, secretKey, expirationSeconds,
            disableSslVerify);/*from  ww w  . j a v a2s  .  com*/
}

From source file:com.google.gitiles.MimeTypes.java

public static String getMimeType(String path) {
    int d = path.lastIndexOf('.');
    if (d == -1) {
        return ANY;
    }/*from   w w  w. j  ava2  s  . c  o  m*/

    String ext = path.substring(d + 1);
    String type = TYPES.get(ext.toLowerCase());
    return MoreObjects.firstNonNull(type, ANY);
}

From source file:com.google.cloud.dataflow.examples.complete.AutoComplete.java

public static void main(String[] args) throws IOException {
    Options options = PipelineOptionsFactory.fromArgs(args).withValidation().as(Options.class);

    if (options.isStreaming()) {
        // In order to cancel the pipelines automatically,
        // {@literal DataflowPipelineRunner} is forced to be used.
        options.setRunner(DataflowPipelineRunner.class);
    }//  w ww  .j  ava 2  s  . c  o m

    options.setBigQuerySchema(FormatForBigquery.getSchema());
    DataflowExampleUtils dataflowUtils = new DataflowExampleUtils(options);

    // We support running the same pipeline in either
    // batch or windowed streaming mode.
    PTransform<? super PBegin, PCollection<String>> readSource;
    WindowFn<Object, ?> windowFn;
    if (options.isStreaming()) {
        checkArgument(!options.getOutputToDatastore(), "DatastoreIO is not supported in streaming.");
        dataflowUtils.setupPubsub();

        readSource = PubsubIO.Read.topic(options.getPubsubTopic());
        windowFn = SlidingWindows.of(Duration.standardMinutes(30)).every(Duration.standardSeconds(5));
    } else {
        readSource = TextIO.Read.from(options.getInputFile());
        windowFn = new GlobalWindows();
    }

    // Create the pipeline.
    Pipeline p = Pipeline.create(options);
    PCollection<KV<String, Iterable<String>>> toWrite = p.apply(readSource)
            .apply(ParDo.of(new ExtractPrefixes(options.getMinPrefix(), options.getMaxPrefix())))
            .apply(GroupByKey.<String, String>create());

    if (options.getOutputToDatastore()) {
        toWrite.apply(ParDo.named("FormatForDatastore")
                .of(new FormatForDatastore(options.getKind(), options.getDatastoreAncestorKey())))
                .apply(DatastoreIO.v1().write().withProjectId(
                        MoreObjects.firstNonNull(options.getOutputDataset(), options.getProject())));
    }
    if (options.getOutputToBigQuery()) {
        dataflowUtils.setupBigQueryTable();

        TableReference tableRef = new TableReference();
        tableRef.setProjectId(options.getProject());
        tableRef.setDatasetId(options.getBigQueryDataset());
        tableRef.setTableId(options.getBigQueryTable());

        toWrite.apply(ParDo.of(new FormatForBigquery()))
                .apply(BigQueryIO.Write.to(tableRef).withSchema(FormatForBigquery.getSchema())
                        .withCreateDisposition(BigQueryIO.Write.CreateDisposition.CREATE_IF_NEEDED)
                        .withWriteDisposition(
                                options.isStreaming() ? BigQueryIO.Write.WriteDisposition.WRITE_APPEND
                                        : BigQueryIO.Write.WriteDisposition.WRITE_TRUNCATE));
    }

    // Run the pipeline.
    PipelineResult result = p.run();

    if (options.isStreaming() && !options.getInputFile().isEmpty()) {
        // Inject the data into the Pub/Sub topic with a Dataflow batch pipeline.
        dataflowUtils.runInjectorPipeline(options.getInputFile(), options.getPubsubTopic());
    }

    // dataflowUtils will try to cancel the pipeline and the injector before the program exists.
    dataflowUtils.waitToFinish(result);
}

From source file:com.amazonaws.services.cognito.streams.connector.AmazonCognitoStreamsEnvironmentOptions.java

static String getRedshiftUserName() {
    String variable = MoreObjects.firstNonNull(System.getProperty("REDSHIFT_USER_NAME"),
            System.getProperty("PARAM2"));

    return variable;
}

From source file:com.google.errorprone.refaster.testdata.TryTemplateExample.java

int foo(String str) {
    int result;
    result = MoreObjects.firstNonNull(Ints.tryParse(str), 0);
    return result;
}