Example usage for java.util Collections checkedCollection

Introduction

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

Prototype

public static <E> Collection<E> checkedCollection(Collection<E> c, Class<E> type) 

Source Link

Document

Returns a dynamically typesafe view of the specified collection.

Usage

From source file:Main.java

public static void main(String args[]) {
    List<String> arlst = new ArrayList<String>();

    // populate the list
    arlst.add("CSS");
    arlst.add("PHP");
    arlst.add("HTML");
    arlst.add("java2s.com");

    // create typesafe view of the collection
    Collection<String> tslst = Collections.checkedCollection(arlst, String.class);

    System.out.println(tslst);// w  w  w .j  a va2 s. c  o m
}

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From source file:Main.java

@SuppressWarnings("unchecked")
public static boolean checkListType(Object target, Class<?> classz) {
    try {//from  w w w  .jav  a 2s . c  o m
        if (Collections.checkedCollection((Collection) target, classz).size() > 0) {
            return true;
        }
    } catch (Exception e) {
        return false;
    }

    return false;
}

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From source file:org.openinfinity.core.async.ParallelServiceActivator.java

/**
 * Constructor for the class. Initiates collection interfaces of the class.
 *//*  w  w  w.  java  2s .  c o  m*/
public ParallelServiceActivator() {
    this.callables = Collections.checkedCollection(new ArrayList(), Callable.class);
    this.resultCache = new HashMap<String, Loadable>();
    this.resultQueue = new LinkedList<Loadable>();
}

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From source file:nz.net.orcon.kanban.tools.ListTools.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public <T> Collection<T> query(ObjectContentManager ocm, String baseSearchPath, Class<T> t,
        List<String> xpathQueries) {

    final org.apache.jackrabbit.ocm.query.Filter qmFilter = ocm.getQueryManager().createFilter(t);

    for (String xpathExpression : xpathQueries) {
        qmFilter.addJCRExpression(xpathExpression);
    }/*from   ww  w  .j  a v  a 2 s.c o m*/
    Collection objects = ocm.getObjects(ocm.getQueryManager().createQuery(qmFilter));
    return Collections.checkedCollection(objects, t);
}

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From source file:nz.net.orcon.kanban.tools.ListTools.java

public Collection<Card> query(String boardId, String phaseId, String filterId, ObjectContentManager ocm) {

    Filter filter = (Filter) ocm.getObject(Filter.class, String.format(URI.FILTER_URI, boardId, filterId));
    QueryManager qm = ocm.getQueryManager();
    org.apache.jackrabbit.ocm.query.Filter qmFilter = qm.createFilter(Card.class);

    if (phaseId == null) {
        qmFilter.setScope(String.format(URI.BOARD_URI, boardId + "//"));
    } else {/* www  . j ava 2  s  .  c o m*/
        qmFilter.setScope(String.format(URI.PHASES_URI, boardId, phaseId + "//"));
    }

    if (filter != null) {
        for (Condition condition : filter.getConditions().values()) {

            String ex = genEx(condition.getOperation().getExpression(), condition.getFieldName(),
                    condition.getValue());

            qmFilter.addJCRExpression(ex);
        }
    }

    Query query = qm.createQuery(qmFilter);
    Collection objects = ocm.getObjects(query);
    Collection<Card> cards = Collections.checkedCollection(objects, Card.class);
    return cards;
}

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From source file:nz.net.orcon.kanban.tools.ListTools.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public <T> Collection<T> retrieveObjects(ObjectContentManager ocm, String searchUrl,
        List<String> jcrExpressions, Class<T> t) {

    final QueryManager qm = ocm.getQueryManager();
    org.apache.jackrabbit.ocm.query.Filter qmFilter = qm.createFilter(t);

    qmFilter.setScope(searchUrl + "//");

    for (String jcrExpression : jcrExpressions) {
        qmFilter.addJCRExpression(jcrExpression);
    }//from  w ww. j  av  a2  s.c o  m
    final Query query = qm.createQuery(qmFilter);
    final Collection objects = ocm.getObjects(query);
    final Collection<T> typedObjects = Collections.checkedCollection(objects, t);
    return typedObjects;
}

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From source file:org.dcache.xrootd.door.XrootdDoor.java

public void messageArrived(XrootdDoorAdressInfoMessage msg) {
    _log.debug("Received redirect msg from mover");

    XrootdTransfer transfer = _transfers.get(msg.getXrootdFileHandle());

    if (transfer != null) {
        transfer.setUUIDSupported(msg.isUUIDEnabledPool());
        // REVISIT: pick the first IPv4 address from the
        // collection at this point, we can't determine, which of
        // the pool IP-addresses is the right one, so we select
        // the first
        Collection<NetIFContainer> interfaces = Collections.checkedCollection(msg.getNetworkInterfaces(),
                NetIFContainer.class);
        Inet4Address ip = getFirstIpv4(interfaces);

        if (ip != null) {
            InetSocketAddress address = new InetSocketAddress(ip, msg.getServerPort());
            transfer.redirect(address);//from   www. j  ava 2 s .c o m
        } else {
            _log.warn("No valid IP-address received from pool. Redirection not possible");
            transfer.redirect(null);
        }
    }
}

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From source file:org.openinfinity.cloud.util.filesystem.FileUtil.java

public static Collection<File> load(String filePath, boolean isRecursive) {
    Collection<File> fileCollection = Collections.checkedCollection(new ArrayList<File>(), File.class);
    File file = new File(filePath);
    checkAvailability(EXCEPTION_CAUSE_FILE_DOES_NOT_EXIST, file);
    doRecursionOnFileSystem(isRecursive, fileCollection, file);
    return Collections.unmodifiableCollection(fileCollection);
}

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