Example usage for java.util Scanner Scanner

Introduction

In this page you can find the example usage for java.util Scanner Scanner.

Prototype

public Scanner(ReadableByteChannel source, Charset charset) 

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:org.terracotta.management.registry.ManagementRegistryTest.java

@Test
public void test_management_registry_exposes() throws IOException {
    ManagementRegistry registry = new AbstractManagementRegistry() {
        @Override/*from w ww .j  a v a2  s.co  m*/
        public ContextContainer getContextContainer() {
            return new ContextContainer("cacheManagerName", "my-cm-name");
        }
    };

    registry.addManagementProvider(new MyManagementProvider());

    registry.register(new MyObject("myCacheManagerName", "myCacheName1"));
    registry.register(new MyObject("myCacheManagerName", "myCacheName2"));

    Scanner scanner = new Scanner(ManagementRegistryTest.class.getResourceAsStream("/capabilities.json"),
            "UTF-8").useDelimiter("\\A");
    String expectedJson = scanner.next();
    scanner.close();

    ObjectMapper mapper = new ObjectMapper();
    mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
    mapper.addMixIn(CapabilityContext.class, CapabilityContextMixin.class);

    String actual = mapper.writeValueAsString(registry.getCapabilities());
    System.out.println(expectedJson);
    System.out.println(actual);
    assertEquals(expectedJson, actual);

    ContextualReturn<?> cr = registry.withCapability("TheActionProvider")
            .call("incr", int.class, new Parameter(Integer.MAX_VALUE, "int")).on(Context.empty()
                    .with("cacheManagerName", "myCacheManagerName").with("cacheName", "myCacheName1"))
            .build().execute().getSingleResult();

    try {
        cr.getValue();
        fail();
    } catch (ExecutionException e) {
        assertEquals(IllegalArgumentException.class, e.getCause().getClass());
    }
}

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From source file:com.mgmtp.perfload.perfalyzer.binning.Binner.java

/**
 * Performs the binning operation on the specified file.
 *
 * @param file// w w  w  .  j ava  2s .c o m
 *       the file to be binned and/or aggregated; must be relative to the source directory
 */
public void binFile(final PerfAlyzerFile file) throws IOException {
    FileOutputStream fos = null;
    try (FileInputStream fis = new FileInputStream(new File(sourceDir, file.getFile().getPath()));
            ChannelManager channelManager = new ChannelManager(destDir,
                    channelKey -> file.copy().addFileNamePart(channelKey))) {

        Scanner scanner = new Scanner(fis.getChannel(), Charsets.UTF_8.name());
        if (binningStrategy.needsBinning()) {
            File destFile = new File(destDir, binningStrategy.transformDefautBinnedFilePath(file));
            Files.createParentDirs(destFile);
            fos = new FileOutputStream(destFile);
            binningStrategy.binData(scanner, fos.getChannel());
        } else {
            // if binning is not necessary, no channel is provided
            binningStrategy.binData(scanner, null);
        }

        binningStrategy.aggregateData(channelManager);
    } finally {
        closeQuietly(fos);
    }
}

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From source file:com.joliciel.talismane.machineLearning.ModelFactory.java

public MachineLearningModel getMachineLearningModel(ZipInputStream zis) {
    try {/* ww  w  .  j  a  va2  s.co  m*/
        MachineLearningModel machineLearningModel = null;
        ZipEntry ze = zis.getNextEntry();
        if (!ze.getName().equals("algorithm.txt")) {
            throw new JolicielException("Expected algorithm.txt as first entry in zip. Was: " + ze.getName());
        }

        // note: assuming the model type will always be the first entry
        Scanner typeScanner = new Scanner(zis, "UTF-8");
        MachineLearningAlgorithm algorithm = MachineLearningAlgorithm.MaxEnt;
        if (typeScanner.hasNextLine()) {
            String algorithmString = typeScanner.nextLine();
            try {
                algorithm = MachineLearningAlgorithm.valueOf(algorithmString);
            } catch (IllegalArgumentException iae) {
                LogUtils.logError(LOG, iae);
                throw new JolicielException("Unknown algorithm: " + algorithmString);
            }
        } else {
            throw new JolicielException("Cannot find algorithm in zip file");
        }
        switch (algorithm) {
        case MaxEnt:
            machineLearningModel = maxentService.getMaxentModel();
            break;
        case LinearSVM:
            machineLearningModel = linearSVMService.getLinearSVMModel();
            break;
        case Perceptron:
            machineLearningModel = perceptronService.getPerceptronModel();
            break;
        case PerceptronRanking:
            machineLearningModel = perceptronService.getPerceptronRankingModel();
            break;
        case OpenNLPPerceptron:
            machineLearningModel = maxentService.getPerceptronModel();
            break;
        default:
            throw new JolicielException("Machine learning algorithm not yet supported: " + algorithm);
        }

        while ((ze = zis.getNextEntry()) != null) {
            LOG.debug(ze.getName());
            machineLearningModel.loadZipEntry(zis, ze);
        } // next zip entry

        machineLearningModel.onLoadComplete();

        return machineLearningModel;
    } catch (IOException ioe) {
        LogUtils.logError(LOG, ioe);
        throw new RuntimeException(ioe);
    } finally {
        try {
            zis.close();
        } catch (IOException ioe) {
            LogUtils.logError(LOG, ioe);
        }
    }
}

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From source file:org.opens.urlmanager.it.utils.AHttpRequestBasedTest.java

protected String getInputStreamContent(InputStream is) throws Exception {
    try {/*from  w ww .j  a v a2s.  co m*/
        return new Scanner(is, "UTF-8").useDelimiter("\\A").next();
    } catch (NoSuchElementException e) {
        return "";
    }
}

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From source file:org.geppetto.core.model.services.OBJModelInterpreterService.java

@Override
public IModel readModel(URL url, List<URL> recordings, String instancePath) throws ModelInterpreterException {
    ModelWrapper collada = new ModelWrapper(instancePath);
    try {/*from w ww .  j a v a  2  s  .  com*/
        Scanner scanner = new Scanner(url.openStream(), "UTF-8");
        String objContent = scanner.useDelimiter("\\A").next();
        scanner.close();
        collada.wrapModel(OBJ, objContent);
    } catch (IOException e) {
        throw new ModelInterpreterException(e);
    }

    return collada;
}

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