Example usage for com.google.common.collect Iterators toArray

Introduction

In this page you can find the example usage for com.google.common.collect Iterators toArray.

Prototype

@GwtIncompatible("Array.newInstance(Class, int)")
public static <T> T[] toArray(Iterator<? extends T> iterator, Class<T> type) 

Source Link

Document

Copies an iterator's elements into an array.

Usage

From source file:com.anhth12.lambda.common.text.TextUtils.java

private static String[] doParseDelimited(String delimited, CSVFormat format) {
    Iterator<CSVRecord> records;
    try {//  w w w .ja  va 2 s  .  com
        records = CSVParser.parse(delimited, format).iterator();
    } catch (IOException ex) {
        throw new IllegalStateException(ex);
    }

    if (records.hasNext()) {
        return Iterators.toArray(records.next().iterator(), String.class);
    } else {
        return EMPTY_STRING;
    }
}

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From source file:io.wcm.config.core.management.impl.PersistenceTypeConversion.java

/**
 * Convert object to be persisted./* w ww.  j  av  a 2 s . co m*/
 * @param value Configured value
 * @param parameterType Parameter type
 * @return value that can be persisted
 */
public static Object toPersistenceType(Object value, Class<?> parameterType) {
    if (!isTypeConversionRequired(parameterType)) {
        return value;
    }
    if (Map.class.isAssignableFrom(parameterType) && (value instanceof Map)) {
        Map<?, ?> map = (Map<?, ?>) value;
        Map.Entry<?, ?>[] entries = Iterators.toArray(map.entrySet().iterator(), Map.Entry.class);
        String[] stringArray = new String[entries.length];
        for (int i = 0; i < entries.length; i++) {
            Map.Entry<?, ?> entry = entries[i];
            String entryKey = Objects.toString(entry.getKey(), "");
            String entryValue = Objects.toString(entry.getValue(), "");
            stringArray[i] = entryKey + KEY_VALUE_DELIMITER + entryValue;
        }
        return stringArray;
    }
    throw new IllegalArgumentException("Type conversion not supported: " + parameterType.getName());
}

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From source file:com.kixeye.chassis.bootstrap.spring.ArchaiusSpringPropertySource.java

@Override
public String[] getPropertyNames() {
    return Iterators.toArray(ConfigurationManager.getConfigInstance().getKeys(), String.class);
}

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From source file:com.kixeye.chassis.bootstrap.spring.ArgumentsPropertySource.java

@Override
public String[] getPropertyNames() {
    return Iterators.toArray(source.asPropertyMap().keySet().iterator(), String.class);
}

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From source file:org.jasig.portal.utils.web.FileUploadLogger.java

public static void logFileUploadInfo(HttpServletRequest request) {
    final boolean multipartContent = ServletFileUpload.isMultipartContent(request);
    System.out.println("multipartContent=" + multipartContent);
    if (!multipartContent) {
        return;//w w  w .j  a  va 2  s  . c  o m
    }

    DiskFileItemFactory factory = new DiskFileItemFactory();
    final ServletFileUpload servletFileUpload = new ServletFileUpload(factory);

    try {
        final FileItemIterator itemIterator = servletFileUpload.getItemIterator(request);
        while (itemIterator.hasNext()) {
            final FileItemStream next = itemIterator.next();
            System.out.println("FileItemStream: " + next.getName());
            System.out.println("\t" + next.getContentType());
            System.out.println("\t" + next.getFieldName());

            final FileItemHeaders headers = next.getHeaders();
            if (headers != null) {
                System.out.println(
                        "\t" + Arrays.toString(Iterators.toArray(headers.getHeaderNames(), String.class)));
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:io.grpc.ServiceProvidersTestUtil.java

/**
 * Creates an iterator from the callable class via reflection, and checks that all expected
 * classes were loaded./*from  w ww.  j a  va  2 s.  c  om*/
 *
 * <p>{@code callableClassName} is a {@code Callable<Iterable<Class<?>>} rather than the iterable
 * class name itself so that the iterable class can be non-public.
 *
 * <p>We accept class names as input so that we can test against classes not in the
 * testing class path.
 */
static void testHardcodedClasses(String callableClassName, ClassLoader cl, Set<String> hardcodedClassNames)
        throws Exception {
    final Set<String> notLoaded = new HashSet<String>(hardcodedClassNames);
    cl = new ClassLoader(cl) {
        @Override
        public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
            if (notLoaded.remove(name)) {
                throw new ClassNotFoundException();
            } else {
                return super.loadClass(name, resolve);
            }
        }
    };
    cl = new StaticTestingClassLoader(cl, Pattern.compile("io\\.grpc\\.[^.]*"));
    // Some classes fall back to the context class loader.
    // Ensure that the context class loader is not an accidental backdoor.
    ClassLoader ccl = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(cl);
        Object[] results = Iterators.toArray(invokeIteratorCallable(callableClassName, cl), Object.class);
        assertWithMessage("The Iterable loaded a class that was not in hardcodedClassNames").that(results)
                .isEmpty();
        assertWithMessage("The Iterable did not attempt to load some classes from hardcodedClassNames")
                .that(notLoaded).isEmpty();
    } finally {
        Thread.currentThread().setContextClassLoader(ccl);
    }
}

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From source file:org.apache.hive.ptest.conf.QFileTestBatch.java

public QFileTestBatch(String driver, String queryFilesProperty, Set<String> tests, boolean isParallel) {
    this.driver = driver;
    this.queryFilesProperty = queryFilesProperty;
    this.tests = tests;
    String name = Joiner.on("-").join(driver,
            Joiner.on("-").join(Iterators.toArray(Iterators.limit(tests.iterator(), 3), String.class)));
    if (tests.size() > 3) {
        name = Joiner.on("-").join(name, "and", (tests.size() - 3), "more");
    }/*from w ww .ja  v  a2s  .  c o  m*/
    this.name = name;
    this.isParallel = isParallel;
}

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From source file:org.sonar.batch.scan.LastLineHashes.java

public String[] getLineHashes(String fileKey) {
    String hashesFromWs = loadHashesFromWs(fileKey);
    return Iterators.toArray(Splitter.on('\n').split(hashesFromWs).iterator(), String.class);
}

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From source file:org.sonar.scanner.issue.tracking.DefaultServerLineHashesLoader.java

@Override
public String[] getLineHashes(String fileKey) {
    String hashesFromWs = loadHashesFromWs(fileKey);
    return Iterators.toArray(Splitter.on('\n').split(hashesFromWs).iterator(), String.class);
}

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From source file:org.sonar.batch.issue.tracking.DefaultServerLineHashesLoader.java

@Override
public String[] getLineHashes(String fileKey, @Nullable MutableBoolean fromCache) {
    String hashesFromWs = loadHashesFromWs(fileKey, fromCache);
    return Iterators.toArray(Splitter.on('\n').split(hashesFromWs).iterator(), String.class);
}

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