Example usage for org.apache.commons.collections CollectionUtils filter

List of usage examples for org.apache.commons.collections CollectionUtils filter

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Introduction

In this page you can find the example usage for org.apache.commons.collections CollectionUtils filter.

Prototype

public static void filter(Collection collection, Predicate predicate)

Source Link

Document

Filter the collection by applying a Predicate to each element.

Usage

From source file:org.apache.isis.core.runtime.RuntimeBootstrapper.java

private List<IsisViewer> findWebViewers(final List<IsisViewer> viewers) {
    final List<IsisViewer> webViewers = new ArrayList<IsisViewer>(viewers);
    CollectionUtils.filter(webViewers, new Predicate() {
        @Override/*from   w w w.j a va  2 s  .co  m*/
        public boolean evaluate(final Object object) {
            final IsisViewer viewer = (IsisViewer) object;
            return viewer.getWebAppSpecification() != null;
        }
    });
    return webViewers;
}

From source file:org.apache.myfaces.el.unified.ResolverBuilderBase.java

/**
 * Filters the ELResolvers  with a custom Predicate provided by the user.
 * @param resolvers list of ELResolvers/*from  ww w .  j av a 2  s.  c  o m*/
 * @param scope scope of ELResolvers (Faces,JSP)
 * @return Iterable instance of Iterable containing filtered ELResolvers 
 */
protected Iterable<ELResolver> filterELResolvers(List<ELResolver> resolvers, Scope scope) {

    Predicate predicate = _config.getELResolverPredicate();
    if (predicate != null) {
        try {
            // filter the resolvers
            CollectionUtils.filter(resolvers, predicate);

            if (log.isLoggable(Level.INFO)) {
                log.log(Level.INFO, "Chain of EL resolvers for {0} filtered with: {1} and the result is {2}",
                        new Object[] { scope, predicate, resolvers });
            }
        } catch (Exception e) {
            log.log(Level.WARNING, "Could not filter ELResolvers with custom Predicate", e);
        }
    }
    return resolvers;
}

From source file:org.apache.ranger.biz.KmsKeyMgr.java

public VXKmsKeyList getFilteredKeyList(HttpServletRequest request, VXKmsKeyList vXKmsKeyList) {
    List<SortField> sortFields = new ArrayList<SortField>();
    sortFields.add(new SortField(KeySearchFilter.KEY_NAME, KeySearchFilter.KEY_NAME));

    KeySearchFilter filter = getKeySearchFilter(request, sortFields);

    Predicate pred = getPredicate(filter);

    if (pred != null) {
        CollectionUtils.filter(vXKmsKeyList.getVXKeys(), pred);
    }//w  w w  . ja va 2 s  .  co  m
    return vXKmsKeyList;
}

From source file:org.apache.ranger.plugin.store.AbstractPredicateUtil.java

public void applyFilter(List<? extends RangerBaseModelObject> objList, SearchFilter filter) {
    if (CollectionUtils.isEmpty(objList)) {
        return;//  w  ww.  j av  a 2s  .c o m
    }

    Predicate pred = getPredicate(filter);

    if (pred != null) {
        CollectionUtils.filter(objList, pred);
    }

    Comparator<RangerBaseModelObject> sorter = getSorter(filter);

    if (sorter != null) {
        Collections.sort(objList, sorter);
    }
}

From source file:org.apache.ranger.plugin.store.file.ServiceFileStore.java

@Override
public List<RangerServiceDef> getServiceDefs(SearchFilter filter) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> ServiceDefFileStore.getServiceDefs()");
    }/*ww w.j  av  a2  s.c o  m*/

    List<RangerServiceDef> ret = getAllServiceDefs();

    if (ret != null && filter != null && !filter.isEmpty()) {
        CollectionUtils.filter(ret, predicateUtil.getPredicate(filter));

        Comparator<RangerBaseModelObject> comparator = predicateUtil.getSorter(filter);

        if (comparator != null) {
            Collections.sort(ret, comparator);
        }
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("<== ServiceDefFileStore.getServiceDefs(): count=" + (ret == null ? 0 : ret.size()));
    }

    return ret;
}

From source file:org.apache.ranger.plugin.store.file.ServiceFileStore.java

@Override
public List<RangerService> getServices(SearchFilter filter) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> ServiceFileStore.getServices()");
    }/*  www . j a  v  a  2 s  .co m*/

    List<RangerService> ret = getAllServices();

    if (ret != null && filter != null && !filter.isEmpty()) {
        CollectionUtils.filter(ret, predicateUtil.getPredicate(filter));

        Comparator<RangerBaseModelObject> comparator = predicateUtil.getSorter(filter);

        if (comparator != null) {
            Collections.sort(ret, comparator);
        }
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("<== ServiceFileStore.getServices(): count=" + (ret == null ? 0 : ret.size()));
    }

    return ret;
}

From source file:org.apache.ranger.plugin.store.file.ServiceFileStore.java

@Override
public List<RangerPolicy> getPoliciesByResourceSignature(String serviceName, String policySignature,
        Boolean isPolicyEnabled) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("==> ServiceFileStore.getPoliciesByResourceSignature(%s, %s, %s)", serviceName,
                policySignature, isPolicyEnabled));
    }//from w ww.ja v  a  2s .  c o m

    List<RangerPolicy> ret = getAllPolicies();

    CollectionUtils.filter(ret, predicateUtil.createPredicateForResourceSignature(policySignature));

    if (LOG.isDebugEnabled()) {
        LOG.debug(
                String.format("<== ServiceFileStore.getPoliciesByResourceSignature(%s, %s, %s): count[%d]: %s",
                        serviceName, policySignature, isPolicyEnabled, (ret == null ? 0 : ret.size()), ret));
    }

    return ret;
}

From source file:org.apache.ranger.plugin.store.file.ServiceFileStore.java

@Override
public List<RangerPolicy> getPolicies(SearchFilter filter) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> ServiceFileStore.getPolicies()");
    }/*w  w w. ja v a2 s .c o  m*/

    List<RangerPolicy> ret = getAllPolicies();

    if (ret != null && filter != null && !filter.isEmpty()) {
        CollectionUtils.filter(ret, predicateUtil.getPredicate(filter));

        Comparator<RangerBaseModelObject> comparator = predicateUtil.getSorter(filter);

        if (comparator != null) {
            Collections.sort(ret, comparator);
        }
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("<== ServiceFileStore.getPolicies(): count=" + (ret == null ? 0 : ret.size()));
    }

    return ret;
}

From source file:org.apache.ranger.plugin.store.file.TagFileStore.java

@Override
public List<RangerTagDef> getTagDefs(SearchFilter filter) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> TagFileStore.getTagDefs()");
    }//from w  w  w. j  a  va2  s .c om

    List<RangerTagDef> ret = getAllTagDefs();

    if (CollectionUtils.isNotEmpty(ret) && filter != null && !filter.isEmpty()) {
        CollectionUtils.filter(ret, predicateUtil.getPredicate(filter));
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("<== TagFileStore.getTagDefs(): count=" + (ret == null ? 0 : ret.size()));
    }

    return ret;
}

From source file:org.apache.ranger.plugin.store.file.TagFileStore.java

@Override
public List<RangerTag> getTags(SearchFilter filter) throws Exception {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> TagFileStore.getTags()");
    }/*from   www.ja va 2 s  .c  o m*/

    List<RangerTag> ret = getAllTags();

    if (CollectionUtils.isNotEmpty(ret) && filter != null && !filter.isEmpty()) {
        CollectionUtils.filter(ret, predicateUtil.getPredicate(filter));
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("<== TagFileStore.getTags(): count=" + (ret == null ? 0 : ret.size()));
    }

    return ret;
}