Example usage for org.apache.commons.collections4 PredicateUtils notNullPredicate

Introduction

In this page you can find the example usage for org.apache.commons.collections4 PredicateUtils notNullPredicate.

Prototype

public static <T> Predicate<T> notNullPredicate() 

Source Link

Document

Gets a Predicate that checks if the input object passed in is not null.

Usage

From source file:org.apache.syncope.core.logic.LoggerLogic.java

@PreAuthorize("hasRole('" + StandardEntitlement.AUDIT_LIST + "')")
@Transactional(readOnly = true)//  w w w .j a  v a  2 s  .c  o m
public List<AuditLoggerName> listAudits() {
    return CollectionUtils.collect(IteratorUtils.filteredIterator(list(LoggerType.AUDIT).iterator(),
            PredicateUtils.notNullPredicate()), new Transformer<LoggerTO, AuditLoggerName>() {

                @Override
                public AuditLoggerName transform(final LoggerTO logger) {
                    AuditLoggerName result = null;
                    try {
                        result = AuditLoggerName.fromLoggerName(logger.getKey());
                    } catch (Exception e) {
                        LOG.warn("Unexpected audit logger name: {}", logger.getKey(), e);
                    }

                    return result;
                }
            }, new ArrayList<AuditLoggerName>());
}

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