Example usage for com.google.common.base Optional isPresent

Introduction

In this page you can find the example usage for com.google.common.base Optional isPresent.

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:com.puppycrawl.tools.checkstyle.checks.naming.ParameterNameCheck.java

/**
 * Checks whether a method is annotated with Override annotation.
 * @param ast method parameter definition token.
 * @return true if a method is annotated with Override annotation.
 *///w  ww .java 2 s  . c  o  m
private static boolean isOverriddenMethod(DetailAST ast) {
    boolean overridden = false;

    final DetailAST parent = ast.getParent().getParent();
    final Optional<DetailAST> annotation = Optional.fromNullable(parent.getFirstChild().getFirstChild());

    if (annotation.isPresent() && annotation.get().getType() == TokenTypes.ANNOTATION) {
        final Optional<DetailAST> overrideToken = Optional
                .fromNullable(annotation.get().findFirstToken(TokenTypes.IDENT));
        if (overrideToken.isPresent() && "Override".equals(overrideToken.get().getText())) {
            overridden = true;
        }
    }
    return overridden;
}

From source file:springfox.documentation.schema.Enums.java

static List<String> getEnumValues(final Class<?> subject) {
    return transformUnique(subject.getEnumConstants(), new Function<Object, String>() {
        @Override//from www . j a va  2s.  co  m
        public String apply(Object input) {
            Optional<String> jsonValue = findJsonValueAnnotatedMethod(input)
                    .transform(evaluateJsonValue(input));
            if (jsonValue.isPresent() && !isNullOrEmpty(jsonValue.get())) {
                return jsonValue.get();
            }
            return input.toString();
        }
    });
}

From source file:ec.nbdemetra.ui.demo.impl.TsAbleHandler.java

private static void enableTickFeedback(JButton button) {
    Optional<FakeTsProvider> p = TsProviders.lookup(FakeTsProvider.class, "Fake");
    if (p.isPresent()) {
        Icon icon1 = getIcon(FontAwesome.FA_DATABASE);
        Icon icon2 = FontAwesome.FA_DATABASE.getIcon(Color.ORANGE.darker(),
                FontAwesomeUtils.toSize(ICON_COLOR_16x16));
        p.get().addTickListener(() -> {
            SwingUtilities.invokeLater(() -> {
                if (icon1.equals(button.getClientProperty("stuff"))) {
                    button.putClientProperty("stuff", icon2);
                    button.setIcon(icon2);
                } else {
                    button.putClientProperty("stuff", icon1);
                    button.setIcon(icon1);
                }//from  www.j av a2 s  .  c  o m
            });
        });
    }
}

From source file:org.opendaylight.controller.md.sal.dom.store.impl.tree.data.StoreMetadataNode.java

public static Optional<UnsignedLong> getVersion(final Optional<StoreMetadataNode> currentMetadata) {
    if (currentMetadata.isPresent()) {
        return Optional.of(currentMetadata.get().getNodeVersion());
    }//  w ww.  j  av  a 2s  . c  o m
    return Optional.absent();
}

From source file:com.replaymod.replaystudio.pathing.serialize.LegacyTimelineConverter.java

private static KeyframeSet[] readAndParse(ReplayFile replayFile) throws IOException {
    Optional<InputStream> optIn = read(replayFile);
    if (!optIn.isPresent()) {
        return null;
    }/*from   w w w.ja v  a2s .c  o m*/
    KeyframeSet[] keyframeSets;
    try (InputStream in = optIn.get()) {
        keyframeSets = parse(in);
    }
    return keyframeSets;
}

From source file:org.inferred.internal.source.ModelUtils.java

/** Returns the {@link TypeElement} corresponding to {@code type}, if there is one. */
public static Optional<TypeElement> maybeAsTypeElement(TypeMirror type) {
    Optional<DeclaredType> declaredType = maybeDeclared(type);
    if (declaredType.isPresent()) {
        return maybeType(declaredType.get().asElement());
    } else {/*  w w  w.  ja  va  2 s.  co  m*/
        return Optional.absent();
    }
}

From source file:org.locationtech.geogig.test.integration.remoting.RemotesIndexTestSupport.java

private static Set<IndexTreeMapping> getIndexMappings(IndexInfo indexInfo, Repository repo,
        Optional<String> ref) {

    if (!ref.isPresent()) {
        return Sets.newHashSet(repo.indexDatabase().resolveIndexedTrees(indexInfo));
    }// w w  w  .  j  a  va 2 s  .  c o m

    Set<IndexTreeMapping> mappings = new HashSet<>();
    List<Ref> branches = getBranches(repo, ref);
    for (Ref branch : branches) {
        List<RevCommit> commits = Lists.newArrayList(repo.command(LogOp.class).addPath(indexInfo.getTreeName())
                .setUntil(branch.getObjectId()).call());
        for (RevCommit c : commits) {
            String treeRef = String.format("%s:%s", c.getId(), indexInfo.getTreeName());
            ObjectId canonicalTreeId = repo.command(RevParse.class).setRefSpec(treeRef).call().get();
            Optional<ObjectId> indexedTree = repo.indexDatabase().resolveIndexedTree(indexInfo,
                    canonicalTreeId);
            String msg = String.format("Expected index at %s:%s", branch.getName(), indexInfo.getTreeName());
            assertTrue(msg, indexedTree.isPresent());
            mappings.add(new IndexTreeMapping(canonicalTreeId, indexedTree.get()));
        }
    }
    return mappings;
}

From source file:org.eclipse.che.ide.ext.java.client.util.JavaUtil.java

public static String resolveFQN(Resource resource) {
    final Optional<Resource> srcFolder = resource.getParentWithMarker(SourceFolderMarker.ID);

    if (!srcFolder.isPresent()) {
        throw new IllegalStateException(
                "Fully qualified name can not be resolved for '" + resource.getLocation() + "'");
    }/*from  w  w  w  .  j a v  a 2 s  .co  m*/

    return resolveFQN((Container) srcFolder.get(), resource);
}

From source file:li.klass.fhem.adapter.devices.core.generic.detail.actions.devices.CulHmDetailActionProvider.java

private static boolean supportsHeating(XmlListDevice xmlListDevice) {
    Optional<String> controlMode = xmlListDevice.getState(MODE_STATE_NAME);
    return controlMode.isPresent() && heatingModeFor(controlMode.get()).isPresent();
}

From source file:net.es.nsi.pce.pf.PfUtils.java

private static String getStringValue(String attributeName, AttrConstraints constraints) {
    Optional<String> value = getValue(constraints.getStringAttrConstraint(attributeName));

    if (value.isPresent()) {
        return value.get();
    }/*  w  ww.j  a  v a  2s  . com*/

    throw Exceptions.missingParameter(Point2PointTypes.P2PS, attributeName, null);
}