Example usage for com.google.common.base Predicates notNull

Introduction

In this page you can find the example usage for com.google.common.base Predicates notNull.

Prototype

@GwtCompatible(serializable = true)
public static <T> Predicate<T> notNull()

Source Link

Document

Returns a predicate that evaluates to true if the object reference being tested is not null.

Usage

From source file:net.shibboleth.idp.relyingparty.MockAuthenticationProfileConfiguration.java

/**
 * Set the default authentication methods to use, expressed as custom principals.
 * /*from  w w w  .  j  av a 2  s  . co m*/
 * @param methods   default authentication methods to use
 */
public void setDefaultAuthenticationMethods(@Nonnull @NonnullElements final List<Principal> methods) {
    Constraint.isNotNull(methods, "List of methods cannot be null");

    defaultAuthenticationMethods = Lists.newArrayList(Collections2.filter(methods, Predicates.notNull()));
}

From source file:net.shibboleth.idp.authn.impl.ExtractRemoteUser.java

/**
 * Set the list of request attributes to check for an identity.
 * //from  ww  w . j  av  a  2s .  c o  m
 * @param attributes    list of request attributes to check
 */
public void setCheckAttributes(@Nonnull @NonnullElements final Collection<String> attributes) {
    ComponentSupport.ifInitializedThrowUnmodifiabledComponentException(this);

    checkAttributes = Lists.newArrayList(Collections2.filter(attributes, Predicates.notNull()));
}

From source file:org.apache.beam.runners.dataflow.worker.StreamingStepMetricsContainer.java

private FluentIterable<CounterUpdate> counterUpdates() {
    return FluentIterable.from(counters.entries())
            .transform(new Function<Entry<MetricName, DeltaCounterCell>, CounterUpdate>() {
                @Override/*from  w ww.j  av  a  2  s . c o  m*/
                @Nullable
                public CounterUpdate apply(Map.Entry<MetricName, DeltaCounterCell> entry) {
                    long value = entry.getValue().getSumAndReset();
                    if (value == 0) {
                        return null;
                    }

                    return MetricsToCounterUpdateConverter
                            .fromCounter(MetricKey.create(stepName, entry.getKey()), false, value);
                }
            }).filter(Predicates.notNull());
}

From source file:com.flowlogix.security.cdi.ShiroSessionScopeContext.java

public <T> void onDestroy(Session session) {
    List<String> attrNames = FluentIterable.from(session.getAttributeKeys())
            .transform(new Function<Object, String>() {
                @Override/*w ww  . ja  va2  s  . c o  m*/
                public String apply(Object f) {
                    return f instanceof String ? (String) f : null;
                }
            }).filter(Predicates.and(Predicates.notNull(), Predicates.contains(bpPattern))).toList();
    for (String attrName : attrNames) {
        @SuppressWarnings("unchecked")
        ScopeInst<T> scopeInst = (ScopeInst<T>) session.getAttribute(attrName);
        if (scopeInst != null) {
            scopeInst.bean.destroy(scopeInst.instance, scopeInst.context);
        }
    }
}

From source file:org.eclipse.incquery.validation.runtime.ConstraintExtensionRegistry.java

private static Iterable<IConstraintSpecification> unwrapConstraintSpecifications(
        Collection<IProvider<IConstraintSpecification>> providers) {
    Iterable<IProvider<IConstraintSpecification>> notNullProviders = Iterables.filter(providers,
            Predicates.notNull());
    Iterable<IConstraintSpecification> constraintSpecifications = Iterables.transform(notNullProviders,
            new Function<IProvider<IConstraintSpecification>, IConstraintSpecification>() {
                @Override// w  w w.ja  v a  2s . com
                public IConstraintSpecification apply(IProvider<IConstraintSpecification> provider) {
                    return provider.get();
                }
            });
    return constraintSpecifications;
}

From source file:org.opensaml.saml.metadata.resolver.ChainingMetadataResolver.java

/**
 * Set the registered metadata resolvers.
 * /*from  w  w  w .j a  va  2s  . c  o  m*/
 * @param newResolvers the metadata resolvers to use
 * 
 * @throws ResolverException thrown if there is a problem adding the metadata resolvers
 */
public void setResolvers(@Nonnull @NonnullElements final List<? extends MetadataResolver> newResolvers)
        throws ResolverException {
    ComponentSupport.ifInitializedThrowUnmodifiabledComponentException(this);
    ComponentSupport.ifDestroyedThrowDestroyedComponentException(this);

    if (newResolvers == null || newResolvers.isEmpty()) {
        resolvers = Collections.emptyList();
        return;
    }

    resolvers = new ArrayList<>(Collections2.filter(newResolvers, Predicates.notNull()));
}

From source file:org.eclipse.emf.eson.util.EPackageResolver.java

/**
 * All known EPackages.//from   w w  w  . j a v  a 2 s.  co m
 * @return Iterable of EPackage, WITHOUT ANY null ENTRIES!
 */
public Iterable<EPackage> getAllRegisteredEPackages() {
    // copy due to potential CME while resolving EPackages
    List<String> packageUris = Lists.newArrayList(EPackage.Registry.INSTANCE.keySet());
    Iterable<String> packageUrisWithoutAnyNulls = Iterables.filter(packageUris, Predicates.notNull());
    Iterable<EPackage> packagesMaybeWithNull = Iterables.transform(packageUrisWithoutAnyNulls,
            new Function<String, EPackage>() {
                // @since Luna (Eclipse 4.4), @NonNull here leads to:
                // "Illegal redefinition of parameter uri, inherited method from Function<String,EPackage> does not constrain this parameter"
                // so we have to make this handstand here instead:
                public EPackage apply(@Nullable String uri) {
                    if (uri == null)
                        throw new IllegalArgumentException();
                    return getPackageFromRegistry(uri);
                }
            });
    Iterable<EPackage> packagesWithoutAnyNulls = Iterables.filter(packagesMaybeWithNull, Predicates.notNull());
    return packagesWithoutAnyNulls;
}

From source file:io.crate.metadata.doc.DocSchemaInfo.java

private static Predicate<String> createSchemaNamePredicate(final String schemaName) {
    return Predicates.and(Predicates.notNull(), new Predicate<String>() {
        @Override//from  w  w w  . j  a v  a 2  s .  c o  m
        public boolean apply(String input) {
            Matcher matcher = Schemas.SCHEMA_PATTERN.matcher(input);
            if (matcher.matches()) {
                return matcher.group(1).equals(schemaName);
            } else {
                return Schemas.DEFAULT_SCHEMA_NAME.equals(schemaName);
            }

        }
    });
}

From source file:org.pentaho.di.trans.dataservice.ui.DataServiceDialog.java

protected DataServiceDialog initOptimizations(List<PushDownFactory> pushDownFactories) throws KettleException {
    ImmutableList<OptimizationOverlay> overlays = FluentIterable.from(pushDownFactories)
            .transform(new Function<PushDownFactory, OptimizationOverlay>() {
                @Override//from www. j a va2  s. c  o m
                public OptimizationOverlay apply(PushDownFactory input) {
                    return input.createOverlay();
                }
            }).filter(Predicates.notNull())
            .toSortedList(Ordering.natural().onResultOf(new Function<OptimizationOverlay, Comparable>() {
                @Override
                public Comparable apply(OptimizationOverlay input) {
                    return input.getPriority();
                }
            }));
    for (OptimizationOverlay overlay : overlays) {
        overlay.apply(this);
    }
    XulTabbox optimizationTabs = controller.getElementById("optimizationTabs");
    if (optimizationTabs.getTabs().getTabCount() > 0) {
        optimizationTabs.setSelectedIndex(0);
    }

    return this;
}

From source file:net.shibboleth.idp.cas.config.impl.LoginConfiguration.java

/**
 * Set the default authentication contexts to use, expressed as custom principals.
 *
 * @param contexts default authentication contexts to use
 *//*from   ww  w  .  java2 s.com*/
public void setDefaultAuthenticationMethods(
        @Nonnull @NonnullElements final List<AuthnContextClassRefPrincipal> contexts) {
    Constraint.isNotNull(contexts, "List of contexts cannot be null");

    defaultAuthenticationContexts = new ArrayList<>(Collections2.filter(contexts, Predicates.notNull()));
}