Example usage for java.util Collection toArray

Introduction

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

Prototype

default <T> T[] toArray(IntFunction<T[]> generator)

Source Link

Document

Returns an array containing all of the elements in this collection, using the provided generator function to allocate the returned array.

Usage

From source file:grails.util.GrailsClassUtils.java

/**
 * Convenience method for converting a collection to an Object[]
 * @param c The collection/*from w  w  w  . j a  va 2s .  co m*/
 * @return  An object array
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Object[] collectionToObjectArray(Collection c) {
    if (c == null)
        return new Object[0];
    return c.toArray(new Object[c.size()]);
}

From source file:graphene.util.fs.FileUtils.java

public static File[] deleteFiles(final File directory, final String regexPattern) throws IOException {
        final Pattern pattern = Pattern.compile(regexPattern);
        final Collection<File> deletedFiles = new ArrayList<>();
        final File[] files = directory.listFiles();
        if (files == null) {
            throw new IllegalArgumentException(directory + " is not a directory");
        }/*ww w  .  j ava 2 s .co m*/
        for (final File file : files) {
            if (pattern.matcher(file.getName()).find()) {
                if (!file.delete()) {
                    throw new IOException("Couldn't delete file '" + file.getAbsolutePath() + "'");
                }
                deletedFiles.add(file);
            }
        }
        return deletedFiles.toArray(new File[deletedFiles.size()]);
    }

From source file:com.google.dart.engine.internal.search.scope.LibrarySearchScope.java

/**
 * Create a search scope that encompasses everything in the given libraries.
 * /*from  w ww.  j a  v a2  s  .  c  o  m*/
 * @param libraries the libraries defining which elements are included in the scope
 */
public LibrarySearchScope(Collection<LibraryElement> libraries) {
    this(libraries.toArray(new LibraryElement[libraries.size()]));
}

From source file:hwolf.spring.boot.servlet.ServletContainerInitializerInvoker.java

public ServletContainerInitializerInvoker(ServletContainerInitializer initializer,
        Collection<String> basePackages) {
    this(initializer, basePackages.toArray(new String[0]));
}

From source file:com.espertech.esper.regression.enummethod.TestExpressionDefLambdaLocReport.java

private Item[] itemArray(Collection<Item> it) {
    return it.toArray(new Item[it.size()]);
}

From source file:com.globalsight.everest.webapp.pagehandler.administration.vendors.VendorHelper.java

/**
 * Get all the distinct company names that vendors are associated with.
 *///w  ww . j  av a2s.  co  m
public static String[] getCompanyNames() throws EnvoyServletException {
    try {
        Collection cns = ServerProxy.getVendorManagement().getCompanyNames();
        String[] cnArray = new String[cns.size()];
        cnArray = (String[]) cns.toArray(cnArray);
        return cnArray;
    } catch (Exception e) {
        throw new EnvoyServletException(e);
    }
}

From source file:org.sakaiproject.metaobj.utils.ioc.ApplicationContextFactory.java

protected String[] convertToArray(Collection collection) {
    return (String[]) collection.toArray(new String[collection.size()]);
}

From source file:io.github.tavernaextras.biocatalogue.integration.Integration.java

/**
 * @param activityPort Probably comes from contextual selection - must be either
 *         ActivityInputPort or ActivityOutputPort.
 * @return SOAP input / output port details (WSDL location, operation name, port name) from
 *         ActivityInputPort/ActivityOutputPort which is obtained from contextual selection in the Dataflow.
 *///ww  w  .ja  va 2  s.com
public static <T extends Port> SoapOperationPortIdentity extractSoapOperationPortDetailsFromActivityInputOutputPort(
        T activityPort) {
    // check that we have the correct instance of Port here - either ActivityInputPort or ActivityOutputPort
    boolean hasInputPort;
    if (activityPort instanceof ActivityInputPort) {
        hasInputPort = true;
    } else if (activityPort instanceof ActivityOutputPort) {
        hasInputPort = false;
    } else {
        // ERROR - wrong type supplied
        return new SoapOperationPortIdentity(
                "Activity port from the contextual selection was not of correct type. Impossible to create preview.");
    }

    // get parent processor details
    Dataflow currentDataflow = FileManager.getInstance().getCurrentDataflow();
    Collection<Processor> processors = null;
    if (hasInputPort) {
        processors = Tools.getProcessorsWithActivityInputPort(currentDataflow,
                (ActivityInputPort) activityPort);
    } else {
        processors = Tools.getProcessorsWithActivityOutputPort(currentDataflow,
                (ActivityOutputPort) activityPort);
    }

    // TODO - doesn't take into account that it's possible to have several
    SoapOperationIdentity soapOperationDetails = extractSoapOperationDetailsFromProcessor(
            processors.toArray(new Processor[] {})[0]);

    // if no error happened, add port details and return
    if (!soapOperationDetails.hasError()) {
        return (new SoapOperationPortIdentity(soapOperationDetails.getWsdlLocation(),
                soapOperationDetails.getOperationName(), activityPort.getName(), hasInputPort));
    } else {
        // error...
        return (new SoapOperationPortIdentity(soapOperationDetails.getErrorDetails()));
    }
}

From source file:com.opensearchserver.hadse.cluster.NodeItem.java

NodeItem(Collection<String> addresses) {
    this.addresses = addresses == null ? null : addresses.toArray(new String[addresses.size()]);
}

From source file:com.kuzumeji.framework.enterprise.component.persistence.bak.DefaultUniqueConstraintsListener.java

/**
 * {@inheritDoc}/*from w w  w. j a  v  a 2 s. co  m*/
 * <dl>
 * <dt>?
 * <dd>??????
 * </dl>
 */
@Override
public Object[] values(final P object) {
    final Collection<Object> values = filter(object).values();
    return values.toArray(new Object[values.size()]);
}