Example usage for org.apache.commons.collections4 CollectionUtils isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections4 CollectionUtils isEmpty.

Prototype

public static boolean isEmpty(final Collection<?> coll) 

Source Link

Document

Null-safe check if the specified collection is empty.

Usage

From source file:com.adguard.commons.web.UrlUtils.java

/**
 * Checks if specified domain name is in the list of the domainNames
 * or if it is sub-domain of any domain in the list.
 *
 * @param domainName  Domain name to check
 * @param domainNames List of domain names
 * @return true if domain (or it's top-level domain) is in the list
 *//*from  w w w  .j a v a2  s .  c o m*/
public static boolean isDomainOrSubDomain(String domainName, List<String> domainNames) {
    if (CollectionUtils.isEmpty(domainNames)) {
        return false;
    }

    for (String domainToCheck : domainNames) {
        if (domainName.equals(domainToCheck) ||
        // Optimizing end checking: http://jira.performix.ru/browse/AG-6587?focusedCommentId=23526&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-23526
                (domainName.endsWith(domainToCheck) && domainName.endsWith("." + domainToCheck))) {
            return true;
        }
    }

    return false;
}

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From source file:com.epam.catgenome.manager.gene.GffManager.java

private List<GeneLowLevel> recursiveConvert(final Gene gene,
        final Map<Gene, List<ProteinSequenceEntry>> aminoAcids) {
    if (gene == null || CollectionUtils.isEmpty(gene.getItems())) {
        return Collections.emptyList();
    }/*from  www  . j  a  v  a2  s. com*/

    final List<GeneLowLevel> items = new ArrayList<>();
    for (Gene item : gene.getItems()) {
        final GeneLowLevel geneLowLevel = new GeneLowLevel(item);
        items.add(geneLowLevel);

        setProteinSequences(aminoAcids, item, geneLowLevel);

        final List<GeneLowLevel> lows = new ArrayList<>();
        if (CollectionUtils.isNotEmpty(item.getItems())) {
            for (Gene lowItem : item.getItems()) {
                final GeneLowLevel itemLowLevel = new GeneLowLevel(lowItem);
                itemLowLevel.setItems(recursiveConvert(lowItem, aminoAcids));
                lows.add(itemLowLevel);
            }
        }

        geneLowLevel.setItems(lows);
    }

    return items;
}

---

From source file:com.epam.catgenome.dao.index.FeatureIndexDao.java

/**
 * Groups variations from specified {@link List} of {@link VcfFile}s by specified field
 * @param files a {@link List} of {@link FeatureFile}, which indexes to search
 * @param query a query to search in index
 * @param groupBy a field to perform grouping
 * @return a {@link List} of {@link Group}s, mapping field value to number of variations, having this value
 * @throws IOException if something goes wrong with the file system
 */// ww  w  .  j a v a  2s. co m
public List<Group> groupVariations(List<VcfFile> files, Query query, String groupBy) throws IOException {
    List<Group> res = new ArrayList<>();

    if (CollectionUtils.isEmpty(files)) {
        return Collections.emptyList();
    }

    SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);

    try (MultiReader reader = openMultiReader(indexes)) {
        if (reader.numDocs() == 0) {
            return Collections.emptyList();
        }

        IndexSearcher searcher = new IndexSearcher(reader);
        AbstractGroupFacetCollector groupedFacetCollector = TermGroupFacetCollector
                .createTermGroupFacetCollector(FeatureIndexFields.UID.fieldName,
                        getGroupByField(files, groupBy), false, null, GROUP_INITIAL_SIZE);
        searcher.search(query, groupedFacetCollector); // Computing the grouped facet counts
        TermGroupFacetCollector.GroupedFacetResult groupedResult = groupedFacetCollector
                .mergeSegmentResults(reader.numDocs(), 1, false);
        List<AbstractGroupFacetCollector.FacetEntry> facetEntries = groupedResult.getFacetEntries(0,
                reader.numDocs());
        for (AbstractGroupFacetCollector.FacetEntry facetEntry : facetEntries) {
            res.add(new Group(facetEntry.getValue().utf8ToString(), facetEntry.getCount()));
        }
    } finally {
        for (SimpleFSDirectory index : indexes) {
            IOUtils.closeQuietly(index);
        }
    }

    return res;
}

---

From source file:io.cloudslang.lang.compiler.modeller.ExecutableBuilder.java

private List<Map<String, String>> getNavigationStrings(Map<String, Serializable> postStepData,
        String defaultSuccess, String defaultFailure, List<RuntimeException> errors) {
    @SuppressWarnings("unchecked")
    List<Map<String, String>> navigationStrings = (List<Map<String, String>>) postStepData.get(NAVIGATION_KEY);

    //default navigation
    if (CollectionUtils.isEmpty(navigationStrings)) {
        navigationStrings = new ArrayList<>();
        Map<String, String> successMap = new HashMap<>();
        successMap.put(SUCCESS_RESULT, defaultSuccess);
        Map<String, String> failureMap = new HashMap<>();
        failureMap.put(ScoreLangConstants.FAILURE_RESULT, defaultFailure);
        navigationStrings.add(successMap);
        navigationStrings.add(failureMap);
        return navigationStrings;
    } else {//from  w w  w  .java  2  s .  c  o m
        return navigationStrings;
    }
}

---

From source file:com.evolveum.midpoint.schema.GetOperationOptions.java

public static Collection<SelectorOptions<GetOperationOptions>> fromRestOptions(List<String> options,
        List<String> include, List<String> exclude, DefinitionProcessingOption definitionProcessing) {
    if (CollectionUtils.isEmpty(options) && CollectionUtils.isEmpty(include)
            && CollectionUtils.isEmpty(exclude)) {
        if (definitionProcessing != null) {
            return SelectorOptions
                    .createCollection(GetOperationOptions.createDefinitionProcessing(definitionProcessing));
        }// w w  w. j  a  v a  2s . c om
        return null;
    }
    Collection<SelectorOptions<GetOperationOptions>> rv = new ArrayList<>();
    GetOperationOptions rootOptions = fromRestOptions(options, definitionProcessing);
    if (rootOptions != null) {
        rv.add(SelectorOptions.create(rootOptions));
    }
    for (ItemPath includePath : ItemPath.fromStringList(include)) {
        rv.add(SelectorOptions.create(includePath, GetOperationOptions.createRetrieve()));
    }
    for (ItemPath excludePath : ItemPath.fromStringList(exclude)) {
        rv.add(SelectorOptions.create(excludePath, GetOperationOptions.createDontRetrieve()));
    }
    // Do NOT set executionPhase here!
    return rv;
}

---

From source file:cgeo.geocaching.connector.gc.GCParser.java

public static SearchResult searchByNextPage(final SearchResult search, boolean showCaptcha,
        RecaptchaReceiver recaptchaReceiver) {
    if (search == null) {
        return null;
    }//ww w.j  a  v a  2s  . c  o  m
    final String[] viewstates = search.getViewstates();

    final String url = search.getUrl();

    if (StringUtils.isBlank(url)) {
        Log.e("GCParser.searchByNextPage: No url found");
        return search;
    }

    if (GCLogin.isEmpty(viewstates)) {
        Log.e("GCParser.searchByNextPage: No viewstate given");
        return search;
    }

    // As in the original code, remove the query string
    final String uri = Uri.parse(url).buildUpon().query(null).build().toString();

    final Parameters params = new Parameters("__EVENTTARGET", "ctl00$ContentBody$pgrBottom$ctl08",
            "__EVENTARGUMENT", "");
    GCLogin.putViewstates(params, viewstates);

    final String page = GCLogin.getInstance().postRequestLogged(uri, params);
    if (!GCLogin.getInstance().getLoginStatus(page)) {
        Log.e("GCParser.postLogTrackable: Can not log in geocaching");
        return search;
    }

    if (StringUtils.isBlank(page)) {
        Log.e("GCParser.searchByNextPage: No data from server");
        return search;
    }

    final SearchResult searchResult = parseSearch(url, page, showCaptcha, recaptchaReceiver);
    if (searchResult == null || CollectionUtils.isEmpty(searchResult.getGeocodes())) {
        Log.w("GCParser.searchByNextPage: No cache parsed");
        return search;
    }

    // search results don't need to be filtered so load GCVote ratings here
    GCVote.loadRatings(
            new ArrayList<Geocache>(searchResult.getCachesFromSearchResult(LoadFlags.LOAD_CACHE_OR_DB)));

    // save to application
    search.setError(searchResult.getError());
    search.setViewstates(searchResult.viewstates);
    for (final String geocode : searchResult.getGeocodes()) {
        search.addGeocode(geocode);
    }
    return search;
}

---

From source file:com.jkoolcloud.tnt4j.streams.utils.Utils.java

private static Object simplifyValue(Collection<?> valuesList) {
    if (CollectionUtils.isEmpty(valuesList)) {
        return null;
    }//from ww w.java2 s .  c o m

    return valuesList.size() == 1 ? valuesList.iterator().next() : valuesList.toArray();
}

---

From source file:com.epam.catgenome.dao.index.FeatureIndexDao.java

/**
 * Returns a {@code List} of chromosome IDs from specified files, where variations exist and satisfy a
 * specified query// w  w w .j  a  v a2 s . c o m
 *
 * @param files a list of {@link FeatureFile}s to search chromosomes
 * @param query     a query to filter variations
 * @return a {@code List} of chromosome IDs
 * @throws IOException
 */
public List<Long> getChromosomeIdsWhereVariationsPresentFacet(List<? extends FeatureFile> files, Query query)
        throws IOException {
    if (CollectionUtils.isEmpty(files)) {
        return Collections.emptyList();
    }

    List<Long> chromosomeIds = new ArrayList<>();

    SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);

    try (MultiReader reader = openMultiReader(indexes)) {
        if (reader.numDocs() == 0) {
            return Collections.emptyList();
        }

        FacetsCollector facetsCollector = new FacetsCollector();
        IndexSearcher searcher = new IndexSearcher(reader);
        searcher.search(query, facetsCollector);

        Facets facets = new SortedSetDocValuesFacetCounts(new DefaultSortedSetDocValuesReaderState(reader,
                FeatureIndexFields.FACET_CHR_ID.getFieldName()), facetsCollector);
        FacetResult res = facets.getTopChildren(FACET_LIMIT, FeatureIndexFields.CHR_ID.getFieldName());
        if (res == null) {
            return Collections.emptyList();
        }

        for (LabelAndValue labelAndValue : res.labelValues) {
            chromosomeIds.add(Long.parseLong(labelAndValue.label));
        }
    } finally {
        closeIndexes(indexes);
    }

    return chromosomeIds;
}

---

From source file:cgeo.geocaching.connector.gc.GCParser.java

/**
 * @param cacheType/*from  w  w  w.j a  v  a  2 s  .  c  om*/
 * @param listId
 * @param showCaptcha
 * @param params
 *            the parameters to add to the request URI
 * @param recaptchaReceiver
 * @return
 */
@Nullable
private static SearchResult searchByAny(final CacheType cacheType, final boolean my, final boolean showCaptcha,
        final Parameters params, RecaptchaReceiver recaptchaReceiver) {
    insertCacheType(params, cacheType);

    final String uri = "http://www.geocaching.com/seek/nearest.aspx";
    final String fullUri = uri + "?" + addFToParams(params, my, true);
    final String page = GCLogin.getInstance().getRequestLogged(uri, addFToParams(params, my, true));

    if (StringUtils.isBlank(page)) {
        Log.e("GCParser.searchByAny: No data from server");
        return null;
    }
    assert page != null;

    final SearchResult searchResult = parseSearch(fullUri, page, showCaptcha, recaptchaReceiver);
    if (searchResult == null || CollectionUtils.isEmpty(searchResult.getGeocodes())) {
        Log.e("GCParser.searchByAny: No cache parsed");
        return searchResult;
    }

    final SearchResult search = searchResult.filterSearchResults(Settings.isExcludeDisabledCaches(), false,
            cacheType);

    GCLogin.getInstance().getLoginStatus(page);

    return search;
}

---

From source file:com.jkoolcloud.tnt4j.streams.configure.sax.ConfigParserHandler.java

/**
 * Processes a {@code <field-map>} element.
 *
 * @param attrs/*from w  w w  . j av  a  2 s .c  om*/
 *            List of element attributes
 *
 * @throws SAXException
 *             if error occurs parsing element
 */
private void processFieldMap(Attributes attrs) throws SAXException {
    if (currField == null) {
        throw new SAXParseException(StreamsResources.getStringFormatted(StreamsResources.RESOURCE_BUNDLE_NAME,
                "ConfigParserHandler.malformed.configuration3", FIELD_MAP_ELMT, FIELD_ELMT, FIELD_LOC_ELMT),
                currParseLocation);
    }
    // if (currFieldHasLocElmt && currLocatorData == null) {
    // throw new SAXException(StreamsResources.getStringFormatted(StreamsResources.RESOURCE_BUNDLE_NAME,
    // "ConfigParserHandler.element.has.both2", FIELD_ELMT, FIELD_LOC_ELMT, FIELD_MAP_ELMT,
    // getLocationInfo()));
    // }
    if (CollectionUtils.isEmpty(currField.getLocators()) && currLocatorData == null) {
        throw new SAXException(StreamsResources.getStringFormatted(StreamsResources.RESOURCE_BUNDLE_NAME,
                "ConfigParserHandler.element.no.binding", FIELD_MAP_ELMT, FIELD_LOC_ELMT, getLocationInfo()));
    }
    String source = null;
    String target = null;
    String type = null;
    for (int i = 0; i < attrs.getLength(); i++) {
        String attName = attrs.getQName(i);
        String attValue = attrs.getValue(i);
        if (SOURCE_ATTR.equals(attName)) {
            source = attValue;
        } else if (TARGET_ATTR.equals(attName)) {
            target = attValue;
        } else if (TYPE_ATTR.equals(attName)) {
            type = attValue;
        }
    }
    notNull(source, FIELD_MAP_ELMT, SOURCE_ATTR);
    notNull(target, FIELD_MAP_ELMT, TARGET_ATTR);

    if (currLocatorData != null) {
        currLocatorData.valueMapItems.add(new FieldLocatorData.ValueMapData(source, target,
                StringUtils.isEmpty(type) ? null : ActivityFieldMappingType.valueOf(type)));
    } else {
        // currFieldHasMapElmt = true;
        List<ActivityFieldLocator> locators = currField.getLocators();
        if (locators != null) {
            for (ActivityFieldLocator loc : locators) {
                loc.addValueMap(source, target,
                        StringUtils.isEmpty(type) ? null : ActivityFieldMappingType.valueOf(type));
            }
        }
    }
}

---

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