Example usage for com.google.common.base Preconditions checkNotNull

Introduction

In this page you can find the example usage for com.google.common.base Preconditions checkNotNull.

Prototype

public static <T> T checkNotNull(T reference) 

Source Link

Document

Ensures that an object reference passed as a parameter to the calling method is not null.

Usage

From source file:com.google.errorprone.bugpatterns.testdata.ProtoFieldPreconditionsCheckNotNullPositiveCases.java

public static void main(String[] args) {
    TestProtoMessage message = TestProtoMessage.newBuilder().build();

    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMessage());
    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMultiFieldList());

    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMessage(), new Object());
    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMultiFieldList(), new Object());

    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMessage(), "%s", new Object());
    // BUG: Diagnostic contains: check is redundant
    // remove this line
    Preconditions.checkNotNull(message.getMultiFieldList(), "%s", new Object());

    // BUG: Diagnostic contains: fieldMessage = message.getMessage();
    TestFieldProtoMessage fieldMessage = Preconditions.checkNotNull(message.getMessage());

    // BUG: Diagnostic contains: fieldMessage2 = message.getMessage()
    TestFieldProtoMessage fieldMessage2 = Preconditions.checkNotNull(message.getMessage(), "Msg");

    // BUG: Diagnostic contains: message.getMessage().toString();
    Preconditions.checkNotNull(message.getMessage()).toString();
    // BUG: Diagnostic contains: message.getMessage().toString();
    Preconditions.checkNotNull(message.getMessage(), "Message").toString();
}

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From source file:com.linkedin.pinot.perf.DictionaryDumper.java

public static void main(String[] args) throws Exception {
    if (args.length != 3) {
        System.err.println(// w  ww.  j  a v a  2s. c o m
                "Usage: DictionaryDumper <segmentDirectory> <dimensionName> <comma-separated dictionaryIds>");
        System.exit(1);
    }
    File[] indexDirs = new File(args[0]).listFiles();
    Preconditions.checkNotNull(indexDirs);

    for (File indexDir : indexDirs) {
        System.out.println("Loading " + indexDir.getName());

        ImmutableSegment immutableSegment = ImmutableSegmentLoader.load(indexDir, ReadMode.heap);
        ImmutableDictionaryReader colDictionary = immutableSegment.getDictionary(args[1]);
        List<String> strIdList = Arrays.asList(args[2].split(","));

        for (String strId : strIdList) {
            int id = Integer.valueOf(strId);
            String s = colDictionary.getStringValue(id);
            System.out.println(String.format("%d -> %s", id, s));
        }
    }
}

---

From source file:com.google.devtools.build.android.idlclass.IdlClass.java

public static void main(String[] args) throws IOException {
    OptionsParser optionsParser = OptionsParser.newOptionsParser(IdlClassOptions.class);
    optionsParser.parseAndExitUponError(args);
    IdlClassOptions options = optionsParser.getOptions(IdlClassOptions.class);
    Preconditions.checkNotNull(options.manifestProto);
    Preconditions.checkNotNull(options.classJar);
    Preconditions.checkNotNull(options.outputClassJar);
    Preconditions.checkNotNull(options.outputSourceJar);
    Preconditions.checkNotNull(options.tempDir);

    List<Path> idlSources = Lists.newArrayList();
    for (String idlSource : optionsParser.getResidue()) {
        idlSources.add(Paths.get(idlSource));
    }/*from   ww  w . j a va2s .c  o m*/

    Manifest manifest = readManifest(options.manifestProto);
    writeClassJar(options, idlSources, manifest);
    writeSourceJar(options, idlSources, manifest);
}

---

From source file:com.google.cloud.security.scanner.servlets.LiveStateCheckerRunner.java

/**
 * Main function for the runner.//from  w ww. j a  v a  2s  .com
 * @param args The args this program was called with.
 * @throws IOException Thrown if there's an error reading from one of the APIs.
 */
public static void main(String[] args) throws IOException {
    String org = System.getenv("POLICY_SCANNER_ORG_NAME");
    String inputRepositoryUrl = System.getenv("POLICY_SCANNER_INPUT_REPOSITORY_URL");
    String sinkUrl = System.getenv("POLICY_SCANNER_SINK_URL");
    String dataflowTmpBucket = System.getenv("POLICY_SCANNER_DATAFLOW_TMP_BUCKET");
    String stagingLocation = "gs://" + dataflowTmpBucket + "/dataflow_tmp";

    Preconditions.checkNotNull(org);
    Preconditions.checkNotNull(inputRepositoryUrl);
    Preconditions.checkNotNull(sinkUrl);
    Preconditions.checkNotNull(dataflowTmpBucket);
    GCSFilesSource source;
    try {
        source = new GCSFilesSource(inputRepositoryUrl, org);
    } catch (GeneralSecurityException e) {
        throw new IOException("SecurityException: Cannot create GCSFileSource");
    }
    PipelineOptions options;
    if (CloudUtil.willExecuteOnCloud()) {
        options = getCloudExecutionOptions(stagingLocation);
    } else {
        options = getLocalExecutionOptions();
    }
    new OnDemandLiveStateChecker(options, source)
            .attachSink(TextIO.Write.named("Write messages to GCS").to(sinkUrl)).run();
}

---

From source file:com.pinterest.terrapin.hadoop.S3Uploader.java

public static void main(String[] args) {
    TerrapinUploaderOptions uploaderOptions = TerrapinUploaderOptions.initFromSystemProperties();
    uploaderOptions.validate();/*from w ww. j  ava 2 s .c  om*/

    String s3Bucket = System.getProperties().getProperty("terrapin.s3bucket");
    String s3Prefix = System.getProperties().getProperty("terrapin.s3key_prefix");
    Preconditions.checkNotNull(s3Bucket);
    Preconditions.checkNotNull(s3Prefix);

    try {
        new S3Uploader(uploaderOptions, s3Bucket, s3Prefix).upload(uploaderOptions.terrapinCluster,
                uploaderOptions.terrapinFileSet, uploaderOptions.loadOptions);
    } catch (Exception e) {
        LOG.error("Upload FAILED.", e);
        System.exit(1);
    }
    // We need to force an exit since some of the netty threads instantiated as part
    // of the process are not daemon threads.
    System.exit(0);
}

---

From source file:com.google.devtools.build.android.AndroidResourceParsingAction.java

public static void main(String[] args) throws Exception {
    OptionsParser optionsParser = OptionsParser.newOptionsParser(Options.class);
    optionsParser.parseAndExitUponError(args);
    Options options = optionsParser.getOptions(Options.class);

    Preconditions.checkNotNull(options.primaryData);
    Preconditions.checkNotNull(options.output);

    final Stopwatch timer = Stopwatch.createStarted();
    ParsedAndroidData parsedPrimary = ParsedAndroidData.from(options.primaryData);
    logger.fine(String.format("Walked XML tree at %dms", timer.elapsed(TimeUnit.MILLISECONDS)));
    UnwrittenMergedAndroidData unwrittenData = UnwrittenMergedAndroidData.of(null, parsedPrimary,
            ParsedAndroidData.from(ImmutableList.<DependencyAndroidData>of()));
    AndroidDataSerializer serializer = AndroidDataSerializer.create();
    unwrittenData.serializeTo(serializer);
    serializer.flushTo(options.output);// w w  w.  j a va  2s .  c om
    logger.fine(String.format("Finished parse + serialize in %dms", timer.elapsed(TimeUnit.MILLISECONDS)));
}

---

From source file:com.google.devtools.build.android.AndroidCompiledResourceMergingAction.java

public static void main(String[] args) throws Exception {
    final Stopwatch timer = Stopwatch.createStarted();
    OptionsParser optionsParser = OptionsParser.newOptionsParser(Options.class, AaptConfigOptions.class);
    optionsParser.enableParamsFileSupport(new ShellQuotedParamsFilePreProcessor(FileSystems.getDefault()));
    optionsParser.parseAndExitUponError(args);
    AaptConfigOptions aaptConfigOptions = optionsParser.getOptions(AaptConfigOptions.class);
    Options options = optionsParser.getOptions(Options.class);

    Preconditions.checkNotNull(options.primaryData);
    Preconditions.checkNotNull(options.primaryManifest);
    Preconditions.checkNotNull(options.manifestOutput);
    Preconditions.checkNotNull(options.classJarOutput);

    try (ScopedTemporaryDirectory scopedTmp = new ScopedTemporaryDirectory("android_resource_merge_tmp");
            ExecutorServiceCloser executorService = ExecutorServiceCloser.createWithFixedPoolOf(15)) {
        Path tmp = scopedTmp.getPath();
        Path generatedSources = tmp.resolve("generated_resources");
        Path processedManifest = tmp.resolve("manifest-processed/AndroidManifest.xml");

        logger.fine(String.format("Setup finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS)));

        String packageForR = options.packageForR;
        if (packageForR == null) {
            packageForR = Strings/*  ww w .j  av  a 2 s . c om*/
                    .nullToEmpty(VariantConfiguration.getManifestPackage(options.primaryManifest.toFile()));
        }
        AndroidResourceClassWriter resourceClassWriter = AndroidResourceClassWriter
                .createWith(aaptConfigOptions.androidJar, generatedSources, packageForR);
        resourceClassWriter.setIncludeClassFile(true);
        resourceClassWriter.setIncludeJavaFile(false);

        AndroidResourceMerger.mergeCompiledData(options.primaryData, options.primaryManifest,
                options.directData, options.transitiveData, resourceClassWriter,
                options.throwOnResourceConflict, executorService);
        logger.fine(String.format("Merging finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS)));

        AndroidResourceOutputs.createClassJar(generatedSources, options.classJarOutput, options.targetLabel,
                options.injectingRuleKind);
        logger.fine(String.format("Create classJar finished at %sms", timer.elapsed(TimeUnit.MILLISECONDS)));

        // Until enough users with manifest placeholders migrate to the new manifest merger,
        // we need to replace ${applicationId} and ${packageName} with options.packageForR to make
        // the manifests compatible with the old manifest merger.
        processedManifest = AndroidManifestProcessor.with(stdLogger).processLibraryManifest(options.packageForR,
                options.primaryManifest, processedManifest);

        Files.createDirectories(options.manifestOutput.getParent());
        Files.copy(processedManifest, options.manifestOutput);
    } catch (MergeConflictException e) {
        logger.log(Level.SEVERE, e.getMessage());
        System.exit(1);
    } catch (MergingException e) {
        logger.log(Level.SEVERE, "Error during merging resources", e);
        throw e;
    } catch (AndroidManifestProcessor.ManifestProcessingException e) {
        System.exit(1);
    } catch (Exception e) {
        logger.log(Level.SEVERE, "Unexpected", e);
        throw e;
    }
    logger.fine(String.format("Resources merged in %sms", timer.elapsed(TimeUnit.MILLISECONDS)));
}

---

From source file:org.apache.kylin.engine.streaming.cli.MonitorCLI.java

public static void main(String[] args) {
    Preconditions.checkArgument(args[0].equals("monitor"));

    int i = 1;// w ww.j  ava2s.co  m
    List<String> receivers = null;
    String host = null;
    String tableName = null;
    String authorization = null;
    String cubeName = null;
    String projectName = "default";
    while (i < args.length) {
        String argName = args[i];
        switch (argName) {
        case "-receivers":
            receivers = Lists.newArrayList(StringUtils.split(args[++i], ";"));
            break;
        case "-host":
            host = args[++i];
            break;
        case "-tableName":
            tableName = args[++i];
            break;
        case "-authorization":
            authorization = args[++i];
            break;
        case "-cubeName":
            cubeName = args[++i];
            break;
        case "-projectName":
            projectName = args[++i];
            break;
        default:
            throw new RuntimeException("invalid argName:" + argName);
        }
        i++;
    }
    Preconditions.checkArgument(receivers != null && receivers.size() > 0);
    final StreamingMonitor streamingMonitor = new StreamingMonitor();
    if (tableName != null) {
        logger.info(String.format("check query tableName:%s host:%s receivers:%s", tableName, host,
                StringUtils.join(receivers, ";")));
        Preconditions.checkNotNull(host);
        Preconditions.checkNotNull(authorization);
        Preconditions.checkNotNull(tableName);
        streamingMonitor.checkCountAll(receivers, host, authorization, projectName, tableName);
    }
    if (cubeName != null) {
        logger.info(String.format("check cube cubeName:%s receivers:%s", cubeName,
                StringUtils.join(receivers, ";")));
        streamingMonitor.checkCube(receivers, cubeName, host);
    }
    System.exit(0);
}

---

From source file:com.pinterest.terrapin.hadoop.HdfsUploader.java

public static void main(String[] args) {
    TerrapinUploaderOptions uploaderOptions = TerrapinUploaderOptions.initFromSystemProperties();
    uploaderOptions.validate();//  w w w.  j  a v a 2  s .c  om

    String hdfsDir = System.getProperties().getProperty("terrapin.hdfs_dir");
    Preconditions.checkNotNull(hdfsDir);

    try {
        new HdfsUploader(uploaderOptions, hdfsDir).upload(uploaderOptions.terrapinCluster,
                uploaderOptions.terrapinFileSet, uploaderOptions.loadOptions);
    } catch (Exception e) {
        LOG.error("Upload FAILED.", e);
        System.exit(1);
    }
    // We need to force an exit since some of the netty threads instantiated as part
    // of the process are not daemon threads.
    System.exit(0);
}

---

From source file:org.apache.streams.elasticsearch.example.MongoElasticsearchIndex.java

public static void main(String[] args) {
    LOGGER.info(StreamsConfigurator.config.toString());

    Config reindex = StreamsConfigurator.config.getConfig("reindex");

    Config source = reindex.getConfig("source");
    Config destination = reindex.getConfig("destination");

    MongoConfiguration mongoConfiguration = null;
    try {/*from   www .  j  ava2  s .  co m*/
        mongoConfiguration = mapper.readValue(source.root().render(ConfigRenderOptions.concise()),
                MongoConfiguration.class);
    } catch (Exception e) {
        e.printStackTrace();
        return;
    }

    Preconditions.checkNotNull(mongoConfiguration);

    ElasticsearchWriterConfiguration elasticsearchConfiguration;
    try {
        elasticsearchConfiguration = mapper.readValue(destination.root().render(ConfigRenderOptions.concise()),
                ElasticsearchWriterConfiguration.class);
    } catch (Exception e) {
        e.printStackTrace();
        return;
    }

    Preconditions.checkNotNull(elasticsearchConfiguration);

    MongoPersistReader mongoPersistReader = new MongoPersistReader(mongoConfiguration);
    ElasticsearchPersistWriter elasticsearchPersistWriter = new ElasticsearchPersistWriter(
            elasticsearchConfiguration);

    StreamBuilder builder = new LocalStreamBuilder(1000);

    builder.newPerpetualStream(MongoPersistReader.STREAMS_ID, mongoPersistReader);
    builder.addStreamsPersistWriter(ElasticsearchPersistWriter.STREAMS_ID, elasticsearchPersistWriter, 1,
            MongoPersistReader.STREAMS_ID);
    builder.start();

}

---

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