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

Introduction

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

Prototype

@Nullable
public static <T> T find(Iterable<? extends T> iterable, Predicate<? super T> predicate,
        @Nullable T defaultValue)

Source Link

Document

Returns the first element in iterable that satisfies the given predicate, or defaultValue if none found.

Usage

From source file:org.netbeans.modules.android.grammars.resources.ResourcesGrammar.java

private ResElementDescriptor findElement(Node n) {
    List<String> parentTags = Lists.newArrayList();
    String parentTagName = null;/*w ww.jav a2s.c  om*/
    Node parent = n;
    while (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
        parentTagName = ((Element) parent).getTagName();
        parentTags.add(parentTagName);
        parent = parent.getParentNode();
    }
    ResElementDescriptor resElem = model.getRootElement();
    if (!parentTags.isEmpty()) {
        boolean isFirst = true;
        while (!parentTags.isEmpty()) {
            final String tag = parentTags.remove(parentTags.size() - 1);
            if (!isFirst) {
                resElem = Iterables.find(resElem.getChildren(), new Predicate<ResElementDescriptor>() {
                    @Override
                    public boolean apply(ResElementDescriptor input) {
                        return input.getName().equals(tag);
                    }
                }, null);
            } else {
                isFirst = false;
                if (!resElem.getName().equals(tag)) {
                    // something wrong with the hierarchy
                    resElem = null;
                }
            }
            if (resElem == null) {
                break;
            }
        }
    }
    LOG.log(Level.FINE, "find element({0}) > {1}", new Object[] { n, resElem });
    return resElem;
}

From source file:brooklyn.launcher.BrooklynLauncherRebindTestFixture.java

@Test
public void testRebindCanAddNewApps() throws Exception {
    populatePersistenceDir(persistenceDir, EntitySpec.create(TestApplication.class).displayName("myorig"));

    // Rebind to the app we started last time
    newLauncherDefault(PersistMode.REBIND)
            .application(EntitySpec.create(TestApplication.class).displayName("mynew")).start();

    // New app was added, and orig app was rebound
    assertEquals(lastMgmt().getApplications().size(), 2, "apps=" + lastMgmt().getApplications());
    assertNotNull(//  w  ww  .  jav  a 2 s.c  om
            Iterables.find(lastMgmt().getApplications(), EntityPredicates.displayNameEqualTo("mynew"), null),
            "apps=" + lastMgmt().getApplications());

    // And subsequently can create new apps
    StartableApplication app3 = lastMgmt().getEntityManager()
            .createEntity(EntitySpec.create(TestApplication.class).displayName("mynew2"));
    app3.start(ImmutableList.<Location>of());
}

From source file:org.sonar.server.startup.CopyRequirementsFromCharacteristicsToRules.java

private static RequirementMigrationDto enabledRequirement(
        Collection<RequirementMigrationDto> requirementsForRule) {
    return Iterables.find(requirementsForRule, new Predicate<RequirementMigrationDto>() {
        @Override//from w  w w  . j a  v a 2s  .  c  om
        public boolean apply(@Nullable RequirementMigrationDto input) {
            return input != null && input.isEnabled();
        }
    }, null);
}

From source file:org.jclouds.rimuhosting.miro.compute.strategy.RimuHostingComputeServiceAdapter.java

@Override
public Image getImage(final String id) {
    return Iterables.find(listImages(), new Predicate<Image>() {

        @Override/*from  w w w.j ava2s . c  o  m*/
        public boolean apply(Image input) {
            return input.getId().equals(id);
        }

    }, null);
}

From source file:org.jclouds.savvis.vpdc.compute.strategy.VPDCComputeServiceAdapter.java

@Override
public CIMOperatingSystem getImage(final String id) {
    return Iterables.find(listImages(), new Predicate<CIMOperatingSystem>() {

        @Override/*w ww .j a  v a  2 s .com*/
        public boolean apply(CIMOperatingSystem input) {
            return (input.getOsType().getCode() + "").equals(id);
        }

    }, null);
}

From source file:it.anyplace.sync.core.beans.DeviceAddress.java

public @Nullable String getUriParam(final String key) {
    Preconditions.checkNotNull(emptyToNull(key));
    try {//w w w .  j a v  a2s .  c  om
        NameValuePair record = Iterables.find(
                URLEncodedUtils.parse(getUriSafe(), StandardCharsets.UTF_8.name()),
                new Predicate<NameValuePair>() {
                    @Override
                    public boolean apply(NameValuePair input) {
                        return equal(input.getName(), key);
                    }
                }, null);
        return record == null ? null : record.getValue();
    } catch (Exception ex) {
        logger.warn("ex", ex);
        return null;
    }
}

From source file:fr.putnami.pwt.doc.shared.page.sample.service.ContactService.java

public Contact getPerson(final String name) {
    return Iterables.find(this.contacts, new Predicate<Person>() {

        @Override//www . j  a va  2 s .  c o  m
        public boolean apply(Person input) {
            return name != null && name.equals(input.getName());
        }
    }, null);
}

From source file:com.eucalyptus.tokens.SecurityTokenManagerImpl.java

/**
 *
 *///from ww  w.  j  av  a 2  s.c o  m
@Nonnull
public SecurityToken doIssueSecurityToken(@Nonnull final User user, @Nullable final AccessKey accessKey,
        final int durationTruncationSeconds, final int durationSeconds) throws AuthException {
    Preconditions.checkNotNull(user, "User is required");

    final AccessKey key = accessKey != null ? accessKey
            : Iterables.find(Objects.firstNonNull(user.getKeys(), Collections.<AccessKey>emptyList()),
                    AccessKeys.isActive(), null);

    if (key == null)
        throw new AuthException("Key not found for user");

    final long restrictedDurationMillis = restrictDuration(36, durationTruncationSeconds, durationSeconds);

    if (!key.getPrincipal().getUserId().equals(user.getUserId())) {
        throw new AuthException("Key not valid for user");
    }

    final EncryptedSecurityToken encryptedToken = new EncryptedSecurityToken(key.getAccessKey(),
            user.getUserId(), getCurrentTimeMillis(), restrictedDurationMillis);
    return new SecurityToken(encryptedToken.getAccessKeyId(), encryptedToken.getSecretKey(key.getSecretKey()),
            encryptedToken.encrypt(getEncryptionKey(encryptedToken.getAccessKeyId())),
            encryptedToken.getExpires());
}

From source file:org.apache.brooklyn.launcher.AbstractBrooklynLauncherRebindTestFixture.java

protected void assertOnlyApp(ManagementContext managementContext, Class<? extends Application> expectedType) {
    assertEquals(managementContext.getApplications().size(), 1, "apps=" + managementContext.getApplications());
    assertNotNull(Iterables.find(managementContext.getApplications(),
            Predicates.instanceOf(TestApplication.class), null), "apps=" + managementContext.getApplications());
}

From source file:org.sonar.updatecenter.common.Release.java

@Nullable
@VisibleForTesting//from  w  w  w.ja va 2 s.c  o m
Release getChild(final String key) {
    return Iterables.find(children, new Predicate<Release>() {
        public boolean apply(Release input) {
            return input.getArtifact().getKey().equals(key);
        }
    }, null);
}