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

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

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Introduction

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

Prototype

public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns an Optional containing the first element in iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:ec.nbdemetra.ui.DemetraUI.java

private static <X, Y> X find(Class<X> clazz, Function<? super X, Y> toName, Y... names) {
    Collection<? extends X> items = Lookup.getDefault().lookupAll(clazz);
    for (Y o : names) {
        Optional<? extends X> result = Iterables.tryFind(items,
                Predicates.compose(Predicates.equalTo(o), toName));
        if (result.isPresent()) {
            return result.get();
        }/*from  ww w.ja  v a  2  s.c o m*/
    }
    return null;
}

From source file:com.urswolfer.gerrit.client.rest.http.GerritRestClient.java

private Optional<Cookie> findCookie(final String cookieName) {
    List<Cookie> cookies = cookieStore.getCookies();
    return Iterables.tryFind(cookies, new Predicate<Cookie>() {
        @Override/*  w w  w .  j ava  2 s  .c om*/
        public boolean apply(Cookie cookie) {
            return cookie.getName().equals(cookieName);
        }
    });
}

From source file:com.eucalyptus.component.TopologyDnsResolver.java

@SuppressWarnings("ConstantConditions")
public static InetAddress maphost(final InetAddress listenerAddress, final InetAddress hostAddress) {
    final Map<Cidr, Cidr> mappings = hostMappings.apply(hostMapping);

    InetAddress result = hostAddress;
    for (final Map.Entry<Cidr, Cidr> mapping : mappings.entrySet()) {
        if (mapping.getKey().apply(listenerAddress)) {
            final Host host = Hosts.lookup(hostAddress);
            if (host != null) {
                result = Iterables.tryFind(host.getHostAddresses(), mapping.getValue()).or(result);
            }/*from w w w .j  ava2  s  .co m*/
        }
    }

    return result;
}

From source file:org.killbill.billing.payment.dao.MockPaymentDao.java

@Override
public PaymentAttemptModelDao getPaymentAttempt(final UUID attemptId, final InternalTenantContext context) {
    synchronized (this) {
        return Iterables.tryFind(attempts.values(), new Predicate<PaymentAttemptModelDao>() {
            @Override/* ww  w.  j av  a  2  s . com*/
            public boolean apply(final PaymentAttemptModelDao input) {
                return input.getId().equals(attemptId);
            }
        }).orNull();
    }
}

From source file:org.opencms.xml.containerpage.CmsFormatterConfiguration.java

/**
 * Returns the formatter from this configuration that is to be used for the preview in the ADE gallery GUI,
 * or <code>null</code> if there is no preview formatter configured.<p>
 *
 * @return the formatter from this configuration that is to be used for the preview in the ADE gallery GUI,
 * or <code>null</code> if there is no preview formatter configured
 */// ww  w. ja v a 2 s.  c  om
public I_CmsFormatterBean getPreviewFormatter() {

    Optional<I_CmsFormatterBean> result;
    result = Iterables.tryFind(m_allFormatters, new Predicate<I_CmsFormatterBean>() {

        public boolean apply(I_CmsFormatterBean formatter) {

            return formatter.isPreviewFormatter();
        }
    });
    if (!result.isPresent()) {
        result = Iterables.tryFind(m_allFormatters, new Predicate<I_CmsFormatterBean>() {

            public boolean apply(I_CmsFormatterBean formatter) {

                if (formatter.isTypeFormatter()) {
                    return formatter.getContainerTypes().contains(CmsFormatterBean.PREVIEW_TYPE);
                } else {
                    return (formatter.getMinWidth() <= CmsFormatterBean.PREVIEW_WIDTH)
                            && (CmsFormatterBean.PREVIEW_WIDTH <= formatter.getMaxWidth());
                }
            }
        });
    }
    if (!result.isPresent()) {
        result = Iterables.tryFind(m_allFormatters, new Predicate<I_CmsFormatterBean>() {

            public boolean apply(I_CmsFormatterBean formatter) {

                return !formatter.isTypeFormatter()
                        && (formatter.getMaxWidth() >= CmsFormatterBean.PREVIEW_WIDTH);

            }
        });
    }
    if (!result.isPresent() && !m_allFormatters.isEmpty()) {
        result = Optional.fromNullable(m_allFormatters.iterator().next());
    }
    return result.orNull();
}

From source file:com.eucalyptus.www.X509Download.java

@SuppressWarnings("ConstantConditions")
private static URI hostMap(final URI uri) {
    final Optional<Cidr> hostMatcher = InetAddresses.isInetAddress(uri.getHost())
            ? Cidr.parse().apply(AuthenticationProperties.CREDENTIAL_DOWNLOAD_HOST_MATCH)
            : Optional.<Cidr>absent();
    if (hostMatcher.isPresent()) {
        final Host host = Hosts.lookup(InetAddresses.forString(uri.getHost()));
        if (host != null) {
            final Optional<InetAddress> mappedHost = Iterables.tryFind(host.getHostAddresses(),
                    hostMatcher.get());// w w w. j ava 2 s. co m
            if (mappedHost.isPresent()) {
                return URI
                        .create(uri.toString().replaceFirst(uri.getHost(), mappedHost.get().getHostAddress()));
            }
        }
    }
    return uri;
}

From source file:io.redlink.sdk.impl.analysis.model.RDFStructureParser.java

private void setEntityAnnotationData(EntityAnnotation entityAnnotation, BindingSet result,
        RepositoryConnection conn, Multimap<Enhancement, String> relations)
        throws RepositoryException, EnhancementParserException {

    if (!relations.containsKey(entityAnnotation)) {
        setEnhancementData(entityAnnotation, result);
        if (result.hasBinding("entityLabel")) {
            Binding entityLabel = result.getBinding("entityLabel");
            entityAnnotation.setEntityLabel(entityLabel.getValue().stringValue());
            if (!result.hasBinding("language") && (entityLabel.getValue() instanceof Literal))
                entityAnnotation.setLanguage(((Literal) entityLabel.getValue()).getLanguage());

        }//from   w w  w  . jav a 2 s.com

        if (result.hasBinding("site")) {
            entityAnnotation.setDataset(result.getBinding("site").getValue().stringValue());
        }

        if (result.hasBinding("entityReference")) {
            entityAnnotation.setEntityReference(
                    parseEntity(conn, result.getBinding("entityReference").getValue().stringValue(),
                            entityAnnotation.getDataset()));
        }

        if (result.hasBinding("relation")) {
            String nextRelationUri = result.getBinding("relation").getValue().stringValue();
            relations.put(entityAnnotation, nextRelationUri);
        }

        Collection<String> types = new HashSet<String>();
        if (result.hasBinding("entityType")) {
            types.add(result.getBinding("entityType").getValue().stringValue());
        }
        entityAnnotation.setEntityTypes(types);
    } else {
        if (result.hasBinding("relation")) {
            final String nextRelationUri = result.getBinding("relation").getValue().stringValue();
            if (!relations.containsEntry(entityAnnotation, nextRelationUri))
                relations.put(entityAnnotation, nextRelationUri);
        }

        if (result.hasBinding("entityType")) {
            final String entityType = result.getBinding("entityType").getValue().stringValue();
            Collection<String> types = entityAnnotation.getEntityTypes();
            Optional<String> eType = Iterables.tryFind(types, new Predicate<String>() {

                @Override
                public boolean apply(String arg0) {
                    return arg0.equals(entityType);
                }

            });
            if (!eType.isPresent())
                types.add(entityType);
        }
    }

}

From source file:brooklyn.entity.pool.ServerPoolImpl.java

private Optional<Entity> getMemberWithStatus0(Collection<Entity> entities, final MachinePoolMemberStatus status,
        final boolean includeUnremovableMachines) {
    return Iterables.tryFind(entities, new Predicate<Entity>() {
        @Override//  w  w w  .j ava  2 s . com
        public boolean apply(Entity input) {
            return (includeUnremovableMachines || isRemovable(input))
                    && status.equals(input.getAttribute(SERVER_STATUS));
        }
    });
}

From source file:org.eclipse.emf.compare.ide.ui.internal.structuremergeviewer.EMFCompareStructureMergeViewerContentProvider.java

private IDifferenceGroupProvider2 getGroupProvider2(TreeNode treeNode) {
    IDifferenceGroupProvider2 result = null;
    Optional<Adapter> searchResult = Iterables.tryFind(treeNode.eAdapters(),
            Predicates.instanceOf(IDifferenceGroupProvider2.class));
    if (searchResult.isPresent()) {
        return (IDifferenceGroupProvider2) searchResult.get();
    }/*from   ww w.j  av  a2  s . c  o  m*/
    return result;
}

From source file:org.killbill.billing.payment.invoice.InvoicePaymentRoutingPluginApi.java

private PluginProperty getPluginProperty(final Iterable<PluginProperty> properties, final String propertyName) {
    return Iterables.tryFind(properties, new Predicate<PluginProperty>() {
        @Override//from   w w  w.j  av  a  2s  .c  o  m
        public boolean apply(final PluginProperty input) {
            return input.getKey().equals(propertyName);
        }
    }).orNull();
}