Example usage for com.google.common.base Strings emptyToNull

Introduction

In this page you can find the example usage for com.google.common.base Strings emptyToNull.

Prototype

@Nullable
public static String emptyToNull(@Nullable String string)

Source Link

Document

Returns the given string if it is nonempty; null otherwise.

Usage

From source file:org.n52.shetland.ogc.ows.service.OwsServiceRequestContext.java

public void setToken(String token) {
    this.token = Optional.ofNullable(Strings.emptyToNull(token));
}

From source file:de.bund.bfr.knime.pmm.js.common.Misc.java

/**
 * Sets the description of this {@link Misc}.
 * /*from www  .j  av a  2 s  .c om*/
 * Empty strings are converted to null.
 * 
 * @param description the description of this {@link Misc}
 */
public void setDescription(final String description) {
    this.description = Strings.emptyToNull(description);
}

From source file:org.apache.james.mpt.imapmailbox.cyrus.host.CyrusHostSystem.java

public String createMailboxStringFromMailboxPath(MailboxPath mailboxPath) {
    return Joiner.on('.').skipNulls().join("user", mailboxPath.getUser(),
            Strings.emptyToNull(mailboxPath.getName()));
}

From source file:org.dcache.alarms.server.LogEntryServerWrapper.java

public void setBaseDir(String baseDir) {
    this.baseDir = Strings.emptyToNull(baseDir);
}

From source file:com.cloudbees.jenkins.plugins.amazonecs.ECSCloud.java

@DataBoundConstructor
public ECSCloud(String name, List<ECSTaskTemplate> templates, @Nonnull String credentialsId, String cluster,
        String regionName, String cloudWatchAlarmName, String instanceCapStr, String jenkinsUrl) {
    super(name);//from   www . j a  v  a  2 s  .c o m
    this.credentialsId = credentialsId;
    this.cluster = cluster;
    this.templates = templates;
    this.regionName = regionName;
    this.cloudWatchAlarmName = cloudWatchAlarmName;
    this.jenkinsUrl = Strings.emptyToNull(jenkinsUrl);
    if (templates != null) {
        for (ECSTaskTemplate template : templates) {
            template.setOwer(this);
        }
    }

    if (instanceCapStr.isEmpty()) {
        this.instanceCap = Integer.MAX_VALUE;
    } else {
        this.instanceCap = Integer.parseInt(instanceCapStr);
    }
}

From source file:org.eclipse.buildship.ui.launch.JavaHomeTab.java

@Override
public void performApply(ILaunchConfigurationWorkingCopy configuration) {
    GradleRunConfigurationAttributes.applyJavaHomeExpression(Strings.emptyToNull(this.javaHomeText.getText()),
            configuration);/*from www . j a  va2  s.  com*/
}

From source file:com.google.gerrit.server.change.Restore.java

@Override
public Object apply(ChangeResource req, Input input) throws Exception {
    ChangeControl control = req.getControl();
    IdentifiedUser caller = (IdentifiedUser) control.getCurrentUser();
    Change change = req.getChange();/* ww w  .j  a  va 2 s . c  o  m*/
    if (!control.canRestore()) {
        throw new AuthException("restore not permitted");
    } else if (change.getStatus() != Status.ABANDONED) {
        throw new ResourceConflictException("change is " + status(change));
    }

    ChangeMessage message;
    ReviewDb db = dbProvider.get();
    db.changes().beginTransaction(change.getId());
    try {
        change = db.changes().atomicUpdate(change.getId(), new AtomicUpdate<Change>() {
            @Override
            public Change update(Change change) {
                if (change.getStatus() == Change.Status.ABANDONED) {
                    change.setStatus(Change.Status.NEW);
                    ChangeUtil.updated(change);
                    return change;
                }
                return null;
            }
        });
        if (change == null) {
            throw new ResourceConflictException(
                    "change is " + status(db.changes().get(req.getChange().getId())));
        }
        indexer.index(change);
        message = newMessage(input, caller, change);
        db.changeMessages().insert(Collections.singleton(message));
        new ApprovalsUtil(db).syncChangeStatus(change);
        db.commit();
    } finally {
        db.rollback();
    }

    try {
        ReplyToChangeSender cm = restoredSenderFactory.create(change);
        cm.setFrom(caller.getAccountId());
        cm.setChangeMessage(message);
        cm.send();
    } catch (Exception e) {
        log.error("Cannot email update for change " + change.getChangeId(), e);
    }
    hooks.doChangeRestoredHook(change, caller.getAccount(), db.patchSets().get(change.currentPatchSetId()),
            Strings.emptyToNull(input.message), dbProvider.get());
    return json.format(change);
}

From source file:org.sonar.server.rule.RubyRuleService.java

public void updateRule(Map<String, Object> params) {
    RuleUpdate update = RuleUpdate.createForPluginRule(RuleKey.parse((String) params.get("ruleKey")));
    String fn = (String) params.get("debtRemediationFunction");
    if (fn == null) {
        update.setDebtRemediationFunction(null);
    } else {/* w  w w  .  j  a  v  a 2  s . c  o m*/
        update.setDebtRemediationFunction(
                new DefaultDebtRemediationFunction(DebtRemediationFunction.Type.valueOf(fn),
                        Strings.emptyToNull((String) params.get("debtRemediationCoefficient")),
                        Strings.emptyToNull((String) params.get("debtRemediationOffset"))));
    }
    updater.update(update, userSession);
}

From source file:com.tinspx.util.net.ConfigHttpURLConnection.java

@Override
public String getHeaderField(String name) {
    return headers != null ? Strings.emptyToNull(headers.first(name)) : null;
}

From source file:io.janusproject.Boot.java

/**
 * Parse the command line./*from  w w  w  .java2s.c om*/
 *
 * @param args - the CLI arguments given to the program.
 * @return the arguments that are not recognized as CLI options.
 */
@SuppressWarnings("unchecked")
public static String[] parseCommandLine(String[] args) {
    CommandLineParser parser = new GnuParser();
    try {
        CommandLine cmd = parser.parse(getOptions(), args);

        // Show the help when there is no argument.
        if (cmd.getArgs().length == 0) {
            showHelp();
            return null;
        }

        boolean noLogo = false;
        int verbose = LoggerCreator.toInt(JanusConfig.VERBOSE_LEVEL_VALUE);

        Iterator<Option> optIterator = cmd.iterator();
        while (optIterator.hasNext()) {
            Option opt = optIterator.next();
            switch (opt.getOpt()) {
            case "h": //$NON-NLS-1$
                showHelp();
                return null;
            case "s": //$NON-NLS-1$
                showDefaults();
                return null;
            case "f": //$NON-NLS-1$
                String rawFilename = opt.getValue();
                if (rawFilename == null || "".equals(rawFilename)) { //$NON-NLS-1$
                    showHelp();
                }
                File file = new File(rawFilename);
                if (!file.canRead()) {
                    showError(Locale.getString("INVALID_PROPERTY_FILENAME", //$NON-NLS-1$
                            rawFilename), null);
                    return null;
                }
                setPropertiesFrom(file);
                break;
            case "o": //$NON-NLS-1$
                setOffline(true);
                break;
            case "R": //$NON-NLS-1$
                setRandomContextUUID();
                break;
            case "B": //$NON-NLS-1$
                setBootAgentTypeContextUUID();
                break;
            case "W": //$NON-NLS-1$
                setDefaultContextUUID();
                break;
            case "D": //$NON-NLS-1$
                String name = opt.getValue(0);
                if (!Strings.isNullOrEmpty(name)) {
                    setProperty(name, Strings.emptyToNull(opt.getValue(1)));
                }
                break;
            case "l": //$NON-NLS-1$
                verbose = Math.max(LoggerCreator.toInt(opt.getValue()), 0);
                break;
            case "q": //$NON-NLS-1$
                if (verbose > 0) {
                    --verbose;
                }
                break;
            case "v": //$NON-NLS-1$
                ++verbose;
                break;
            case "nologo": //$NON-NLS-1$
                noLogo = true;
                break;
            default:
            }
        }

        // Change the verbosity
        setVerboseLevel(verbose);
        // Show the Janus logo?
        if (noLogo || verbose == 0) {
            setProperty(JanusConfig.JANUS_LOGO_SHOW_NAME, Boolean.FALSE.toString());
        }
        return cmd.getArgs();
    } catch (IOException | ParseException e) {
        showError(e.getLocalizedMessage(), e);
        // Event if showError never returns, add the return statement for
        // avoiding compilation error.
        return null;
    }
}