Example usage for java.util Collections list

List of usage examples for java.util Collections list

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Introduction

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

Prototype

public static <T> ArrayList<T> list(Enumeration<T> e)

Source Link

Document

Returns an array list containing the elements returned by the specified enumeration in the order they are returned by the enumeration.

Usage

From source file:com.feilong.core.bean.ConvertUtil.java

/**
 *  <code>enumeration</code> ??.
 * /*from  w ww  .j a  va  2  s .  co  m*/
 * @param <T>
 *            the generic type
 * @param enumeration
 *            the enumeration
 * @return  <code>enumeration</code> null, {@link Collections#emptyList()}<br>
 *         ? {@link Collections#list(Enumeration)}
 * @see Collections#emptyList()
 * @see Collections#EMPTY_LIST
 * @see Collections#list(Enumeration)
 * @see EnumerationUtils#toList(Enumeration)
 * @since 1.0.7
 */
public static <T> List<T> toList(final Enumeration<T> enumeration) {
    return null == enumeration ? Collections.<T>emptyList() : Collections.list(enumeration);
}

From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java

private boolean canMoveRight(String nodeId, String targetNextSibId) throws PortalException {
    IUserLayoutNodeDescription node = getNode(nodeId);
    Enumeration sibIds = getVisibleChildIds(getParentId(nodeId));
    List sibs = Collections.list(sibIds);

    for (int idx = sibs.indexOf(nodeId) + 1; idx > 0 && idx < sibs.size(); idx++) {
        String nextSibId = (String) sibs.get(idx);
        IUserLayoutNodeDescription next = getNode(nextSibId);

        if (nextSibId != null && next.getId().equals(targetNextSibId))
            return true;
        else if (!isFragmentOwner && !MovementRules.canHopRight(node, next))
            return false;
    }/*from  ww  w .ja va2 s . c om*/

    if (targetNextSibId == null) // made it to end of sib list and
        return true; // that is the desired location
    return false; // oops never found the sib. Should never happen.
}

From source file:org.xwoot.jxta.mock.MockJxtaPeer.java

/** {@inheritDoc} **/
public Object sendObjectToRandomPeerInGroup(Object object, boolean expectReply)
        throws PeerGroupException, IllegalArgumentException, JxtaException {
    if (!this.isConnectedToGroup()) {
        throw new PeerGroupException("The peer has not yet joined a group and contacted a group RDV peer.");
    }/*  ww  w  .  j  av a 2 s .c om*/

    if (!(object instanceof Serializable)) {
        throw new IllegalArgumentException(
                "The object does not implement the interface java.io.Serializable and can not be sent.");
    }

    this.logger.info("Trying to send an object to a random peer in the group.");

    Object reply = null;
    boolean success = false;

    for (int i = 0; i < NUMBER_OF_TRIES && !success; i++) {
        this.logger.info("Try number: " + i);

        // simulate discovery process.
        List<Advertisement> knownPipeAdvs = Collections
                .list(this.getKnownDirectCommunicationPipeAdvertisements());

        Set<MockJxtaPeer> peersInGroup = MockJxtaPeer.groupsWithPeersMap
                .get(this.currentJoinedGroup.getPeerGroupAdvertisement());
        for (MockJxtaPeer peer : peersInGroup) {
            // if we discovered this peer and it is not our peer then try to send the message.
            if (!peer.equals(this)
                    && knownPipeAdvs.contains(peer.getMyDirectCommunicationPipeAdvertisement())) {
                PipeAdvertisement pipeAdv = peer.getMyDirectCommunicationPipeAdvertisement();

                this.logger.info("Trying to send through this pipe advertisement:\n" + pipeAdv);

                try {
                    reply = this.sendObject(object, pipeAdv);
                } catch (Exception e) {
                    this.logger.error("Failed to send object to this peer.\n", e);
                    continue;
                }

                if (expectReply && reply == null) {
                    this.logger.warn("Peer contacted but no reply given. Skipping");
                    continue;
                }

                success = true;
                break;
            }
        }

        // If success, don`t go to sleep anymore.
        if (success) {
            break;
        }

        // Wait for advertisement discovery to get more possible pipe advs.
        try {
            Thread.sleep(WAIT_INTERVAL_BETWEEN_TRIES);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    this.logger.info("Object successfuly sent: " + success);
    if (!success) {
        throw new JxtaException(
                "Failed to send message. No peer group member found or none of them could receive it. Try again later.");
    }

    return reply;
}

From source file:org.lsc.jndi.JndiServices.java

/**
 * Return the LDAP schema.//w  w w  .  ja  va 2  s .c  om
 *
 * @param attrsToReturn
 *                list of attribute names to return (or null for all
 *                'standard' attributes)
 * @return the map of name => attribute
 * @throws NamingException
 *                 thrown if something goes wrong (bad
 */
@SuppressWarnings("unchecked")
public Map<String, List<String>> getSchema(final String[] attrsToReturn) throws NamingException {
    Map<String, List<String>> attrsResult = new HashMap<String, List<String>>();

    // connect to directory
    Hashtable<String, String> props = (Hashtable<String, String>) ctx.getEnvironment();
    String baseUrl = (String) props.get(Context.PROVIDER_URL);
    baseUrl = baseUrl.substring(0, baseUrl.lastIndexOf('/'));
    props.put(Context.PROVIDER_URL, baseUrl);
    DirContext schemaCtx = new InitialLdapContext(props, null);

    // find schema entry
    SearchControls sc = new SearchControls();
    sc.setSearchScope(SearchControls.OBJECT_SCOPE);
    sc.setReturningAttributes(new String[] { "subschemaSubentry" });

    NamingEnumeration<SearchResult> schemaDnSR = schemaCtx.search("", "(objectclass=*)", sc);

    SearchResult sr = null;
    Attribute subschemaSubentry = null;
    String subschemaSubentryDN = null;

    if (schemaDnSR.hasMore()) {
        sr = schemaDnSR.next();
    }
    if (sr != null) {
        subschemaSubentry = sr.getAttributes().get("subschemaSubentry");
    }
    if (subschemaSubentry != null && subschemaSubentry.size() > 0) {
        subschemaSubentryDN = (String) subschemaSubentry.get();
    }

    if (subschemaSubentryDN != null) {
        // get schema attributes from subschemaSubentryDN
        Attributes schemaAttrs = schemaCtx.getAttributes(subschemaSubentryDN,
                attrsToReturn != null ? attrsToReturn : new String[] { "*", "+" });

        if (schemaAttrs != null) {
            for (String attr : attrsToReturn) {
                Attribute schemaAttr = schemaAttrs.get(attr);
                if (schemaAttr != null) {
                    attrsResult.put(schemaAttr.getID(), (List<String>) Collections.list(schemaAttr.getAll()));
                }
            }
        }
    }

    return attrsResult;
}

From source file:org.jasig.portal.layout.dlm.DistributedLayoutManager.java

private boolean canMoveLeft(String nodeId, String targetNextSibId) throws PortalException {
    IUserLayoutNodeDescription node = getNode(nodeId);
    Enumeration sibIds = getVisibleChildIds(getParentId(nodeId));
    List sibs = Collections.list(sibIds);

    for (int idx = sibs.indexOf(nodeId) - 1; idx >= 0; idx--) {
        String prevSibId = (String) sibs.get(idx);
        IUserLayoutNodeDescription prev = getNode(prevSibId);

        if (!MovementRules.canHopLeft(node, prev))
            return false;
        if (targetNextSibId != null && prev.getId().equals(targetNextSibId))
            return true;
    }//from w w w .j  a v  a 2  s .c om
    return false; // oops never found the sib
}

From source file:org.apache.nifi.web.server.JettyServer.java

private void dumpUrls() throws SocketException {
    final List<String> urls = new ArrayList<>();

    for (Connector connector : server.getConnectors()) {
        if (connector instanceof ServerConnector) {
            final ServerConnector serverConnector = (ServerConnector) connector;

            Set<String> hosts = new HashSet<>();

            // determine the hosts
            if (StringUtils.isNotBlank(serverConnector.getHost())) {
                hosts.add(serverConnector.getHost());
            } else {
                Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
                if (networkInterfaces != null) {
                    for (NetworkInterface networkInterface : Collections.list(networkInterfaces)) {
                        for (InetAddress inetAddress : Collections.list(networkInterface.getInetAddresses())) {
                            hosts.add(inetAddress.getHostAddress());
                        }//  w  w w.  j a  v  a  2  s .co  m
                    }
                }
            }

            // ensure some hosts were found
            if (!hosts.isEmpty()) {
                String scheme = "http";
                if (props.getSslPort() != null && serverConnector.getPort() == props.getSslPort()) {
                    scheme = "https";
                }

                // dump each url
                for (String host : hosts) {
                    urls.add(String.format("%s://%s:%s", scheme, host, serverConnector.getPort()));
                }
            }
        }
    }

    if (urls.isEmpty()) {
        logger.warn(
                "NiFi has started, but the UI is not available on any hosts. Please verify the host properties.");
    } else {
        // log the ui location
        logger.info("NiFi has started. The UI is available at the following URLs:");
        for (final String url : urls) {
            logger.info(String.format("%s/nifi", url));
        }
    }
}

From source file:org.apereo.portal.layout.dlm.DistributedLayoutManager.java

private boolean canMoveLeft(String nodeId, String targetNextSibId) throws PortalException {
    IUserLayoutNodeDescription node = getNode(nodeId);
    Enumeration sibIds = getVisibleChildIds(getParentId(nodeId));
    List sibs = Collections.list(sibIds);

    for (int idx = sibs.indexOf(nodeId) - 1; idx >= 0; idx--) {
        String prevSibId = (String) sibs.get(idx);
        IUserLayoutNodeDescription prev = getNode(prevSibId);

        if (!isFragmentOwner && !MovementRules.canHopLeft(node, prev))
            return false;
        if (targetNextSibId != null && prev.getId().equals(targetNextSibId))
            return true;
    }//from ww w.jav a  2s.  c o  m
    return false; // oops never found the sib
}

From source file:org.nuxeo.theme.editor.Main.java

@POST
@Path("expand_css_categories")
@SuppressWarnings("unchecked")
public void expandCssCategories() {
    Properties cssStyleCategories = org.nuxeo.theme.editor.Utils.getCssStyleCategories();
    List<String> allCssCategories = (List<String>) Collections.list(cssStyleCategories.propertyNames());
    SessionManager.setSelectedCssCategories(allCssCategories);
}

From source file:org.apache.openejb.config.DeploymentLoader.java

public static void addBeansXmls(final WebModule webModule) {
    final List<URL> urls = webModule.getScannableUrls();
    // parent returns nothing when calling getresources because we don't want here to be fooled by maven classloader
    final URLClassLoader loader = new URLClassLoader(urls.toArray(new URL[urls.size()]),
            new EmptyResourcesClassLoader());

    final List<URL> xmls = new LinkedList<>();
    try {//w ww  . j a  va2  s  .com
        final URL e = (URL) webModule.getAltDDs().get("beans.xml");
        if (e != null) { // first!
            xmls.add(e);
        }
        xmls.addAll(Collections.list(loader.getResources("META-INF/beans.xml")));
    } catch (final IOException e) {
        return;
    }

    final CompositeBeans complete = new CompositeBeans();
    for (final URL url : xmls) {
        if (url == null) {
            continue;
        }
        mergeBeansXml(complete, url);
    }
    if (!complete.getDiscoveryByUrl().isEmpty()) {
        complete.removeDuplicates();
        webModule.getAltDDs().put("beans.xml", complete);
    }
}