Example usage for java.util List toArray

Introduction

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

Prototype

Object[] toArray();

Source Link

Document

Returns an array containing all of the elements in this list in proper sequence (from first to last element).

Usage

From source file:com.ejoysoft.util.CacheSizes.java

/**
 * Returns the size in bytes of a List object. All elements
 * <b>must be Strings</b>./*w w  w  . j a  va  2  s .c  o  m*/
 *
 * @param list the List object to determine the size of.
 * @return the size of the List object.
 */
public static int sizeOfList(List list) {
    if (list == null) {
        return 0;
    }
    // Base list object (approximate)
    int size = 36;
    // Add in size of each value
    Object[] values = list.toArray();
    for (int i = 0; i < values.length; i++) {
        size += sizeOfString((String) values[i]);
    }
    return size;
}

From source file:springobjectmapper.ReflectionHelper.java

public static Object[] getValues(List<Field> fields, Object o) {
    List<Object> results = new ArrayList<Object>();
    for (Field field : fields) {
        try {/*from   w  w  w  .  j  a va  2  s.c  om*/
            results.add(field.get(o));
        } catch (Exception e) {
            ReflectionUtils.handleReflectionException(e);
        }
    }
    return results.toArray();
}

From source file:com.abssh.util.ReflectionUtils.java

/**
 * ????(getter), ??.//  w  w w .java  2  s  . c  o m
 * 
 * @param collection
 *            ???.
 * @param propertyName
 *            ??????.
 * @param separator
 *            .
 */
@SuppressWarnings("unchecked")
public static String convertElementPropertyToString(final Collection collection, final String propertyName,
        final String separator) {
    List list = convertElementPropertyToList(collection, propertyName);
    return StringUtils.join(list.toArray(), separator);
}

From source file:com.evolveum.midpoint.util.logging.LoggingUtils.java

private static void logExceptionInternal(Level first, Level second, Trace LOGGER, String message, Throwable ex,
        Object... objects) {//from w w  w .ja va2s  .c  om
    Validate.notNull(LOGGER, "Logger can't be null.");
    Validate.notNull(ex, "Exception can't be null.");

    List<Object> args = new ArrayList<>();
    args.addAll(Arrays.asList(objects));
    args.add(ex.getMessage() + " (" + ex.getClass() + ")");

    if (!first.equals(second)) {
        log(LOGGER, first, message + ", reason: {}", args.toArray());
    }
    // Add exception to the list. It will be the last argument without {} in the message,
    // therefore the stack trace will get logged
    args.add(ex);
    log(LOGGER, second, message + ".", args.toArray());
}

From source file:com.wolvencraft.yasp.util.Util.java

/**
 * Compresses a List into a single-line json array
 *
 * @param source List to compress//from  www  .  j a  v a 2  s . c  o m
 * @return String json array
 */
public static String toJsonArray(List<?> source) {
    return Statistics.getGson().toJson(source.toArray());
}

From source file:Utils.java

public static TreePath getPath(TreeNode treeNode) {
    List<Object> nodes = new ArrayList<Object>();
    if (treeNode != null) {
        nodes.add(treeNode);//from  w  w w .j ava2 s.  co  m
        treeNode = treeNode.getParent();
        while (treeNode != null) {
            nodes.add(0, treeNode);
            treeNode = treeNode.getParent();
        }
    }

    return nodes.isEmpty() ? null : new TreePath(nodes.toArray());
}

From source file:cz.lbenda.rcp.DialogHelper.java

/** Open dialog with chooser when user can choose single option
 * @param question question which is show to user
 * @param items list of items which user can choose
 * @param <T> type of item//w ww.j  a  v a  2s  .  c  o m
 * @return null if user click on cancel or don't choose anything, elsewhere choosed item */
public static <T> T chooseSingOption(String question, List<T> items) {
    //noinspection unchecked
    return chooseSingOption(question, (T[]) items.toArray());
}

From source file:Lists.java

@SuppressWarnings("unchecked")
public static <T> List<T> normalizeUnmodifiable(List<T> list) {
    if (list.size() < 2) {
        return normalize(list);
    } else {/*www.  ja va2 s .  c  o m*/
        return (List<T>) Arrays.asList(list.toArray());
    }
}

From source file:Main.java

/**
 * /*w  w  w.  j  a  v  a2  s.c  o m*/
 * @return
 */
public static Object[] flatternMultipleValues(Object[] values) {
    if (values == null || values.length == 0)
        return new Object[0];
    List flattern = new ArrayList();
    for (int i = 0; i < values.length; i++) {
        if (values[i] instanceof Object[]) {
            Object[] flatternObj = (Object[]) values[i];
            flattern.addAll(Arrays.asList(flatternMultipleValues(flatternObj)));
        } else {
            flattern.add(values[i]);
        }
    }
    return flattern.toArray();
}

From source file:eu.citadel.converter.io.index.CitadelIndexUtil.java

/**
 * Upload file on citadel index/*from   w  w  w. j av  a 2 s . c om*/
 * @param requestURL Url for request
 * @param uploadFile File to be uploaded
 * @param charset Charset
 * @param userAgent User Agent of request
 * @return   Response as String
 * @throws IOException
 */
private static String uploadFile(String requestURL, File uploadFile, String charset, String userAgent)
        throws IOException {
    MultipartUtility multipart = new MultipartUtility(requestURL, charset, userAgent);

    multipart.addHeaderField("User-Agent", "Converter");
    multipart.addFilePart("fileUpload", uploadFile);

    List<String> response = multipart.finish();

    log.trace("uploadFile server reply: ");

    for (String line : response) {
        log.trace(line);
    }
    return StringUtils.join(response.toArray());
}