Example usage for java.util Optional orElse

Introduction

In this page you can find the example usage for java.util Optional orElse.

Prototype

public T orElse(T other) 

Source Link

Document

If a value is present, returns the value, otherwise returns other .

Usage

From source file:net.sf.jabref.gui.desktop.JabRefDesktop.java

public static boolean openExternalFileUnknown(JabRefFrame frame, BibEntry entry,
        BibDatabaseContext databaseContext, String link, UnknownExternalFileType fileType) throws IOException {

    String cancelMessage = Localization.lang("Unable to open file.");
    String[] options = new String[] { Localization.lang("Define '%0'", fileType.getName()),
            Localization.lang("Change file type"), Localization.lang("Cancel") };
    String defOption = options[0];
    int answer = JOptionPane.showOptionDialog(frame,
            Localization.lang(//from w  w w .ja  v a 2 s .co m
                    "This external link is of the type '%0', which is undefined. What do you want to do?",
                    fileType.getName()),
            Localization.lang("Undefined file type"), JOptionPane.YES_NO_CANCEL_OPTION,
            JOptionPane.QUESTION_MESSAGE, null, options, defOption);
    if (answer == JOptionPane.CANCEL_OPTION) {
        frame.output(cancelMessage);
        return false;
    } else if (answer == JOptionPane.YES_OPTION) {
        // User wants to define the new file type. Show the dialog:
        ExternalFileType newType = new ExternalFileType(fileType.getName(), "", "", "", "new",
                IconTheme.JabRefIcon.FILE.getSmallIcon());
        ExternalFileTypeEntryEditor editor = new ExternalFileTypeEntryEditor(frame, newType);
        editor.setVisible(true);
        if (editor.okPressed()) {
            // Get the old list of types, add this one, and update the list in prefs:
            List<ExternalFileType> fileTypes = new ArrayList<>(
                    ExternalFileTypes.getInstance().getExternalFileTypeSelection());
            fileTypes.add(newType);
            Collections.sort(fileTypes);
            ExternalFileTypes.getInstance().setExternalFileTypes(fileTypes);
            // Finally, open the file:
            return openExternalFileAnyFormat(databaseContext, link, Optional.of(newType));
        } else {
            // Canceled:
            frame.output(cancelMessage);
            return false;
        }
    } else {
        // User wants to change the type of this link.
        // First get a model of all file links for this entry:
        FileListTableModel tModel = new FileListTableModel();
        Optional<String> oldValue = entry.getFieldOptional(FieldName.FILE);
        oldValue.ifPresent(tModel::setContent);
        FileListEntry flEntry = null;
        // Then find which one we are looking at:
        for (int i = 0; i < tModel.getRowCount(); i++) {
            FileListEntry iEntry = tModel.getEntry(i);
            if (iEntry.link.equals(link)) {
                flEntry = iEntry;
                break;
            }
        }
        if (flEntry == null) {
            // This shouldn't happen, so I'm not sure what to put in here:
            throw new RuntimeException("Could not find the file list entry " + link + " in " + entry);
        }

        FileListEntryEditor editor = new FileListEntryEditor(frame, flEntry, false, true, databaseContext);
        editor.setVisible(true, false);
        if (editor.okPressed()) {
            // Store the changes and add an undo edit:
            String newValue = tModel.getStringRepresentation();
            UndoableFieldChange ce = new UndoableFieldChange(entry, FieldName.FILE, oldValue.orElse(null),
                    newValue);
            entry.setField(FieldName.FILE, newValue);
            frame.getCurrentBasePanel().getUndoManager().addEdit(ce);
            frame.getCurrentBasePanel().markBaseChanged();
            // Finally, open the link:
            return openExternalFileAnyFormat(databaseContext, flEntry.link, flEntry.type);
        } else {
            // Canceled:
            frame.output(cancelMessage);
            return false;
        }
    }
}

---

From source file:net.wouterdanes.docker.maven.AbstractDockerMojo.java

protected void enqueueForPushingToRegistry(final String imageId, final Optional<String> nameAndTag,
        final String registry) throws MojoFailureException, MojoExecutionException {
    requireNonNull(nameAndTag.orElse(null), "When pushing to an explicit registry, name-and-tag must be set.");

    // build extended tag by prepending registry to name and tag
    String newNameAndTag = registry + "/" + nameAndTag.get();

    // apply extended tag
    attachTag(imageId, newNameAndTag);/*from   ww w . j  av  a 2s.c o m*/

    // now enqueue for pushing
    enqueueForPushing(imageId, of(newNameAndTag));
}

---

From source file:net.wouterdanes.docker.maven.AbstractDockerMojo.java

protected void enqueueForPushing(final String imageId, final Optional<String> nameAndTag) {
    getLog().info(String.format("Enqueuing image '%s' to be pushed with tag '%s'..", imageId,
            nameAndTag.orElse("<none>")));

    List<PushableImage> images = obtainListFromPluginContext(PUSHABLE_IMAGES_KEY);
    PushableImage newImage = new PushableImage(imageId, nameAndTag);
    if (!images.contains(newImage)) {
        images.add(newImage);/*from  ww w.  j a v  a 2s .c  o m*/
    }
}

---

From source file:org.obiba.mica.dataset.service.KeyStoreService.java

private String validateNameAndOrganizationInfo(String cn, String ou, String o) {
    Optional<String> hostname = Optional.empty();

    if (Strings.isNullOrEmpty(cn) || Strings.isNullOrEmpty(o)) {
        try {/*w w w.java2 s.  c o  m*/
            hostname = Optional.of(new URL(micaConfigService.getConfig().getPublicUrl()).getHost());
        } catch (MalformedURLException e) {
            //ignore
        }
    }

    return String.format("CN=%s, OU=%s, O=%s", Strings.isNullOrEmpty(cn) ? hostname.orElse("") : cn,
            Strings.isNullOrEmpty(ou) ? "mica" : ou, ofNullable(o).orElse(""));
}

---

From source file:org.trustedanalytics.servicebroker.yarn.config.ServiceInstanceBindingServiceConfig.java

private Map<String, Object> getCredentials() throws IOException {

    Optional<Map<String, String>> hadoopConf = HadoopConfigurationHelper
            .getHadoopConfFromJson(configuration.getYarnProvidedParams());

    return ImmutableMap.of("kerberos",
            ImmutableMap.of("kerberos",
                    ImmutableMap.of("kdc", configuration.getKerberosKdc(), "krealm",
                            configuration.getKerberosRealm()),
                    ConfigConstants.HADOOP_CONFIG_KEY_VALUE,
                    ImmutableMap.copyOf(hadoopConf.orElse(Collections.emptyMap()))));
}

---

From source file:org.jboss.tools.openshift.internal.core.preferences.OCBinaryVersionValidator.java

/**
 * Returns the version of the OC binary by running the version command.
 * //from w  w  w  .  ja v a 2 s  . c o  m
 * @param monitor the progress monitor
 * 
 * @return the OSGi version of the binary
 */
public Version getVersion(IProgressMonitor monitor) {
    Optional<Version> version = Optional.empty();
    if (path != null) {
        try {
            ProcessBuilder builder = new ProcessBuilder(path, "version");
            Process process = builder.start();
            version = parseVersion(process, monitor);
        } catch (IOException e) {
            OpenShiftCoreActivator.logError(e.getLocalizedMessage(), e);
        }
    }
    return version.orElse(Version.emptyVersion);
}

---

From source file:com.idrene.emefana.repositories.RepositoriesTest.java

public void updateDescriptionsTest() {
    venuesDescr.stream().map(s -> s.split(":")).forEach(s -> {
        venuesDescrMap.put(s[0], s[1]);/*from  w  w  w .j av  a2s .  com*/
    });

    List<Provider> prvs = providerRepository.findAll();
    updateProvidersLambda(prvs, provider -> StringUtils.isEmpty(provider.getDescription()), provider -> {
        Optional<String> description = Optional.ofNullable(provider.getDescription());
        provider.setDescription(description.orElse(venuesDescrMap.get(provider.getName())));
    });
}

---

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.security.KubernetesV2Credentials.java

public String lookupDefaultNamespace() {
    String namespace = defaultNamespace;
    try {//from  ww w.  ja va2 s.  com
        Optional<String> serviceAccountNamespace = Files
                .lines(serviceAccountNamespacePath, StandardCharsets.UTF_8).findFirst();
        namespace = serviceAccountNamespace.orElse("");
    } catch (IOException e) {
        try {
            namespace = jobExecutor.defaultNamespace(this);
        } catch (KubectlException ke) {
            log.debug("Failure looking up desired namespace, defaulting to {}", defaultNamespace, ke);
        }
    } catch (Exception e) {
        log.debug("Error encountered looking up default namespace, defaulting to {}", defaultNamespace, e);
    }
    if (StringUtils.isEmpty(namespace)) {
        namespace = defaultNamespace;
    }
    return namespace;
}

---

From source file:com.spotify.heroic.metric.astyanax.AstyanaxMetricModule.java

@JsonCreator
public AstyanaxMetricModule(@JsonProperty("id") Optional<String> id,
        @JsonProperty("seeds") Optional<Set<String>> seeds, @JsonProperty("keyspace") Optional<String> keyspace,
        @JsonProperty("maxConnectionsPerHost") Optional<Integer> maxConnectionsPerHost,
        @JsonProperty("groups") Optional<Groups> groups,
        @JsonProperty("pools") Optional<ReadWriteThreadPools.Config> pools) {
    this.id = id;
    this.groups = groups.orElseGet(Groups::empty).or(DEFAULT_GROUP);
    this.keyspace = keyspace.orElse(DEFAULT_KEYSPACE);
    this.seeds = seeds.orElse(DEFAULT_SEEDS);
    this.maxConnectionsPerHost = maxConnectionsPerHost.orElse(DEFAULT_MAX_CONNECTIONS_PER_HOST);
    this.pools = pools.orElseGet(ReadWriteThreadPools.Config::buildDefault);
}

---

From source file:org.cyberjos.jcconf2016.node.HazelcastHelper.java

/**
 * Registers the given node to the active node set.
 *
 * @param cloudNode the node to be registered
 * @throws NullPointerException if the given node is {@code null}
 *///from  ww  w .  j av a2s . c  o m
public void registerNode(final CloudNode cloudNode) {
    Objects.requireNonNull(cloudNode, "The given cloud node must not be null.");

    final String nodeName = cloudNode.getName();
    final NodeRecord record = new NodeRecord(nodeName, hazelcastHolder.getMemberId());
    HazelcastHelper.getMap(ACTIVE_NODES).put(nodeName, record);
    HazelcastHelper.<CloudNodeMessage>getTopic(nodeName).addMessageListener(cloudNode);
    hazelcastHolder.getInstance().getCluster().addMembershipListener(cloudNode);
    logger.info("[{}] The given node registered: {}", nodeName, record);

    final Optional<NodeRecord> optional = this.getMasterNodeRecord();
    logger.info("[{}] Found the master node: {}", nodeName, optional.orElse(null));
    if (!optional.isPresent()) {
        this.setMaster(cloudNode);
        return;
    }

    logger.info("[{}] Found the master node: {}", nodeName, optional.get());

    if (WORKING_MODE) {
        this.runConsumer(cloudNode);
    }
}

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