Example usage for com.google.common.collect Iterables get

List of usage examples for com.google.common.collect Iterables get

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Introduction

In this page you can find the example usage for com.google.common.collect Iterables get.

Prototype

public static <T> T get(Iterable<T> iterable, int position)

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:org.hbs.neo4j.importers.CsvImporter.java

private Iterable<String> getAndValidateHeader(String headerString, int minSize, String... keys) {
    boolean isHeaderValid = true;
    Iterable<String> header = Splitter.on(SEPARATOR).trimResults().split(headerString);
    if (Iterables.size(header) < minSize) {
        isHeaderValid = false;/*from  w w  w.ja v a  2s .c o  m*/
    } else {
        for (int i = 0; i < keys.length; i++) {
            if (keys[i].compareTo(Iterables.get(header, i)) != 0) {
                isHeaderValid = false;
            }
        }
    }
    if (!isHeaderValid) {
        StringBuilder exMsg = new StringBuilder("Invalid Header for CSV file.");
        exMsg.append(" Header have to start with \"");
        for (int i = 0; i < keys.length; i++) {
            exMsg.append(keys[i]).append(SEPARATOR);
        }
        exMsg.append(" followed by a list proprerty names separated by tabs.");
        throw new IllegalArgumentException(exMsg.toString());
    }
    return header;
}

From source file:org.jclouds.nodepool.internal.EagerNodePoolComputeServiceAdapter.java

@Override
public NodeWithInitialCredentials createNodeWithGroupEncodedIntoName(String group, String name,
        Template template) {//from  w w w  . j  ava2s  .c  o m
    int count = 1;
    synchronized (this) {
        TemplateOptions options = template.getOptions().clone();

        // if no user is provided we set the pool's user
        if (options.getLoginUser() == null) {
            options.overrideLoginCredentials(LoginCredentials
                    .fromCredentials(checkNotNull(initialCredentialsBuilder.build().getAdminCredentials())));
        }

        logger.info(">> assigning pool node to frontend group %s", group);
        Set<NodeMetadata> backendNodes = getBackendNodes();
        checkState(!backendNodes.isEmpty());
        Set<NodeMetadata> frontendNodes = metadataStore.loadAll(backendNodes);
        checkState(frontendNodes.size() + count <= maxSize,
                "cannot add more nodes to pool [requested: %s, current: %s, max: %s]", count,
                frontendNodes.size(), maxSize);

        SetView<NodeMetadata> availableNodes = Sets.difference(backendNodes, frontendNodes);

        if (availableNodes.size() < 1) {
            if (backendNodes.size() < maxSize && backendNodes.size() + count <= maxSize) {
                logger.info(
                        ">> all pool nodes are assigned, requiring additional nodes [requested: %s, current: %s, next: %s, max: %s]",
                        count, frontendNodes.size(), frontendNodes.size() + 1, maxSize);
                addToPool(count);
                // update backend and available sets, no need to update frontend
                backendNodes = getBackendNodes();
                availableNodes = Sets.difference(backendNodes, frontendNodes);
                logger.info("<< additional nodes added to the pool and ready");
            } else {
                logger.error("maximum pool size reached (%s)", maxSize);
                throw new IllegalStateException(String.format("maximum pool size reached (%s)", maxSize));
            }
        }
        NodeMetadata userNode = Iterables.get(availableNodes, 0);
        NodeMetadata node = metadataStore.store(userNode, options, group);
        logger.info("pool node assigned");
        return new NodeWithInitialCredentials(node);
    }
}

From source file:org.opencommercesearch.feed.CategoryFeed.java

@SuppressWarnings("unchecked")
private void buildHierarchyTokensAux(RepositoryItem category, String groupedString, List<String> placeHolder,
        int depth) {

    Set<RepositoryItem> parentCategories = (Set<RepositoryItem>) category
            .getPropertyValue(CategoryProperty.FIXED_PARENT_CATEGORIES);

    if (parentCategories == null || parentCategories.size() == 0) {
        Set<RepositoryItem> parentCatalogs = (Set<RepositoryItem>) category
                .getPropertyValue(CategoryProperty.PARENT_CATALOGS);
        if (parentCatalogs != null && parentCatalogs.size() > 0) {
            placeHolder.add(/*from  w ww.  j a  v  a2s .  c o m*/
                    depth + "." + Iterables.get(parentCatalogs, 0).getRepositoryId() + "." + groupedString);
        }
    } else {
        for (RepositoryItem parentCategory : parentCategories) {
            if (groupedString.isEmpty()) {
                buildHierarchyTokensAux(parentCategory, category.getItemDisplayName(), placeHolder, depth + 1);
            } else {
                buildHierarchyTokensAux(parentCategory, category.getItemDisplayName() + "." + groupedString,
                        placeHolder, depth + 1);
            }
        }
    }
}

From source file:com.reprezen.kaizen.oasparser.jsonoverlay.coll.CollectionStore.java

private String keyAtIndex(int index) {
    if (index >= 0 && index < overlays.size()) {
        return Iterables.get(overlays.keySet(), index);
    } else {/* ww  w.  j  ava  2  s  .co  m*/
        throw new OverlayException("Index out of bound for collection overlay");
    }
}

From source file:com.b2international.snowowl.datastore.cdo.CDOUtils.java

/**
 * Returns with the revisions for the given CDO IDs on a specified {@link CDOBranchPoint branch point}.
 * @param branchPoint the branch point to get the revisions.
 * @param ids the CDO IDs./*from  w  w  w.java 2  s.  c  o m*/
 * @return a list of CDO revisions.
 */
public static List<CDORevision> getRevisions(final CDOBranchPoint branchPoint, final Collection<CDOID> ids) {

    if (isEmpty(ids)) {
        return emptyList();
    }

    try {

        final CDOID cdoId = Iterables.get(ids, 0);
        StoreThreadLocal.setAccessor(getAccessor(cdoId));

        final List<CDORevision> revisions = newArrayList();
        final Iterator<List<CDOID>> itr = Iterators.partition(ids.iterator(), MAX_REVISION_LIMIT);
        final InternalCDORevisionManager revisionManager = getRevisionManager(cdoId);

        while (itr.hasNext()) {
            //get revisions at once but at most 1,000,000
            revisions.addAll(revisionManager.getRevisions(newArrayList(itr.next()), branchPoint,
                    CDORevision.UNCHUNKED, CDORevision.DEPTH_NONE, true, null));

        }

        return revisions;

    } finally {

        //release resources
        StoreThreadLocal.release();

    }

}

From source file:io.mycat.config.model.DataHostConfig.java

public String getRandomDataNode() {
    int index = (int) (Math.random() * dataNodes.size());
    return Iterables.get(dataNodes, index);
}

From source file:org.dspace.app.xmlui.aspect.submission.submit.CCLicenseStep.java

public void addBody(Body body)
        throws SAXException, WingException, UIException, SQLException, IOException, AuthorizeException {
    // Build the url to and from creative commons
    Item item = submission.getItem();/*from w w  w . j  av  a  2 s .c  o m*/
    Collection collection = submission.getCollection();
    String actionURL = contextPath + "/handle/" + collection.getHandle() + "/submit/" + knot.getId()
            + ".continue";
    Request request = ObjectModelHelper.getRequest(objectModel);
    boolean https = request.isSecure();
    String server = request.getServerName();
    int port = request.getServerPort();
    String exitURL = (https) ? "https://" : "http://";
    exitURL += server;
    if (!(port == 80 || port == 443))
        exitURL += ":" + port;

    exitURL += actionURL + "?submission-continue=" + knot.getId() + "&cc_license_url=[license_url]";
    Division div = body.addInteractiveDivision("submit-cclicense", actionURL, Division.METHOD_POST,
            "primary submission");
    div.setHead(T_submission_head);
    addSubmissionProgressList(div);
    CCLookup cclookup = new CCLookup();
    HttpSession session = request.getSession();

    // output the license selection options
    String selectedLicense = request.getParameter("licenseclass_chooser");
    List list = div.addList("licenseclasslist", List.TYPE_FORM);
    list.addItem(T_info1);
    list.setHead(T_head);
    list.addItem().addHidden("button_required");
    Select selectList = list.addItem().addSelect("licenseclass_chooser");
    selectList.setLabel(T_license);
    selectList.setEvtBehavior("submitOnChange");
    if (cclookup.getLicenses(ccLocale).size() == 1) {
        CCLicense cclicense = Iterables.get(cclookup.getLicenses(ccLocale), 0);
        selectList.addOption(cclicense.getLicenseId(), cclicense.getLicenseName());
        selectList.setOptionSelected(cclicense.getLicenseId());
        selectedLicense = cclicense.getLicenseId();
    } else {
        Iterator<CCLicense> iterator = cclookup.getLicenses(ccLocale).iterator();
        // build select List - first choice always 'choose a license', last always 'No license'
        selectList.addOption(T_select_change.getKey(), T_select_change);
        if (T_select_change.getKey().equals(selectedLicense)) {
            selectList.setOptionSelected(T_select_change.getKey());
        }
        while (iterator.hasNext()) {
            CCLicense cclicense = iterator.next();
            selectList.addOption(cclicense.getLicenseId(), cclicense.getLicenseName());
            if (selectedLicense != null && selectedLicense.equals(cclicense.getLicenseId())) {
                selectList.setOptionSelected(cclicense.getLicenseId());
            }
        }
    }

    if (ConfigurationManager.getBooleanProperty("cc.license.allow_no_license", false)) {
        selectList.addOption(T_no_license.getKey(), T_no_license);
        if (T_no_license.getKey().equals(selectedLicense)) {
            selectList.setOptionSelected(T_no_license.getKey());
        }
    }
    if (selectedLicense != null) {
        // output the license fields chooser for the license class type
        if (cclookup.getLicenseFields(selectedLicense, ccLocale) == null) {
            // do nothing
        } else {
            Iterator outerIterator = cclookup.getLicenseFields(selectedLicense, ccLocale).iterator();
            while (outerIterator.hasNext()) {
                CCLicenseField cclicensefield = (CCLicenseField) outerIterator.next();
                if (cclicensefield.getId().equals("jurisdiction"))
                    continue;
                List edit = div.addList("selectlist", List.TYPE_SIMPLE, "horizontalVanilla");
                if (cclicensefield.getId().equals("derivatives")) {
                    edit.addItem(message("xmlui.Submission.submit.CCLicenseStep.custom_question.derivatives"));
                } else {
                    edit.addItem(cclicensefield.getLabel());
                }
                edit.addItem().addFigure(contextPath + "/themes/Reference/images/information.png",
                        "javascript:void(0)", cclicensefield.getDescription(), "information");
                List subList = div.addList("sublist", List.TYPE_SIMPLE, "horizontalVanilla");
                Radio radio = subList.addItem().addRadio(cclicensefield.getId() + "_chooser");
                radio.setRequired();
                Iterator fieldMapIterator = cclicensefield.getEnum().entrySet().iterator();
                while (fieldMapIterator.hasNext()) {
                    Map.Entry pairs = (Map.Entry) fieldMapIterator.next();
                    String key = (String) pairs.getKey();
                    String value = (String) pairs.getValue();
                    radio.addOption(key, value);
                }
                div.addSimpleHTMLFragment(true, "&#160;");
            }
        }
    }
    Division statusDivision = div.addDivision("statusDivision");
    List statusList = statusDivision.addList("statusList", List.TYPE_FORM);
    String licenseUri = creativeCommonsService.getCCField("uri").ccItemValue(item);
    if (licenseUri != null) {
        statusList.addItem().addXref(licenseUri, licenseUri);
    } else {
        if (session.getAttribute("isFieldRequired") != null
                && session.getAttribute("isFieldRequired").equals("TRUE")
                && session.getAttribute("ccError") != null) {
            statusList.addItem().addHighlight("error")
                    .addContent(T_ccws_error.parameterize((String) session.getAttribute("ccError")));
            session.removeAttribute("ccError");
            session.removeAttribute("isFieldRequired");
        } else if (session.getAttribute("inProgress") != null
                && ((String) session.getAttribute("inProgress")).equals("TRUE")) {
            statusList.addItem().addHighlight("italic").addContent(T_save_changes);
        }
    }
    addControlButtons(statusList);

}

From source file:co.cask.cdap.internal.app.runtime.webapp.WebappProgramRunner.java

public static Set<String> getServingHostNames(InputSupplier<? extends InputStream> inputSupplier)
        throws Exception {
    try (JarInputStream jarInput = new JarInputStream(inputSupplier.getInput())) {
        Set<String> hostNames = Sets.newHashSet();
        JarEntry jarEntry;/*w  ww. j  ava 2  s.com*/
        String webappDir = Constants.Webapp.WEBAPP_DIR + "/";
        while ((jarEntry = jarInput.getNextJarEntry()) != null) {
            if (!jarEntry.isDirectory() && jarEntry.getName().startsWith(webappDir)
                    && jarEntry.getName().contains(ServePathGenerator.SRC_PATH)) {
                // Format is - webapp/host:port/[path/]src/files
                String webappHostName = Iterables.get(Splitter.on("/src/").split(jarEntry.getName()), 0);
                String hostName = Iterables.get(Splitter.on('/').limit(2).split(webappHostName), 1);

                hostNames.add(hostName);
            }
        }

        Set<String> registerNames = Sets.newHashSetWithExpectedSize(hostNames.size());
        for (String hostName : hostNames) {
            if (hostName.equals(ServePathGenerator.DEFAULT_DIR_NAME)) {
                LOG.warn("Not registering default service name; default service needs to have a routable path");
                continue;
            } else if (hostName.startsWith(DEFAULT_DIR_NAME_COLON)) {
                LOG.warn("Not registering default service name with explicit port - {}", hostName);
                continue;
            }

            registerNames.add(Networks.normalizeWebappDiscoveryName(hostName));
        }

        return registerNames;
    }
}

From source file:com.abiquo.api.handlers.RESTHandler.java

protected void createRESTBuilder(final MessageContext context, final LinkBuilders linksProcessor) {
    ServletContext servletContext = context.getAttribute(ServletContext.class);
    Map<String, IRESTBuilder> beans = WebApplicationContextUtils.getWebApplicationContext(servletContext)
            .getBeansOfType(IRESTBuilder.class);

    IRESTBuilder builder = Iterables.get(beans.values(), 0);
    context.setAttribute(REST_BUILDER_INTERFACE, builder.injectProcessor(linksProcessor));
}

From source file:org.apache.brooklyn.location.multi.MultiLocation.java

@SuppressWarnings("unchecked")
protected MachineProvisioningLocation<T> firstSubLoc() {
    return (MachineProvisioningLocation<T>) Iterables.get(getSubLocations(), 0);
}