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

List of usage examples for com.google.common.base Strings nullToEmpty

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Introduction

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

Prototype

public static String nullToEmpty(@Nullable String string)

Source Link

Document

Returns the given string if it is non-null; the empty string otherwise.

Usage

From source file:net.minecraftforge.gradle.patcher.TaskExtractNew.java

@TaskAction
public void doStuff() throws IOException {
    ending = Strings.nullToEmpty(ending);

    InputSupplier cleanSupplier = getSupplier(getCleanSource());
    InputSupplier dirtySupplier = getSupplier(getDirtySource());

    Set<String> cleanFiles = Sets.newHashSet(cleanSupplier.gatherAll(ending));

    File output = getOutput();//from   w  w  w. ja  v  a2  s  .c om
    output.getParentFile().mkdirs();

    boolean isClassEnding = false; //TODO: Figure out Abrar's logic for this... ending.equals(".class"); // this is a trigger for custom stuff

    ZipOutputStream zout = new ZipOutputStream(new FileOutputStream(output));
    for (String path : dirtySupplier.gatherAll(ending)) {
        if ((isClassEnding && matchesClass(cleanFiles, path)) || cleanFiles.contains(path)) {
            continue;
        }

        zout.putNextEntry(new ZipEntry(path));

        InputStream stream = dirtySupplier.getInput(path);
        ByteStreams.copy(stream, zout);
        stream.close();

        zout.closeEntry();
    }

    zout.close();
    cleanSupplier.close();
    dirtySupplier.close();
}

From source file:de.gesundkrank.wikipedia.hadoop.WikiRevisionWritable.java

public String getText() {
    return Strings.nullToEmpty(text);
}

From source file:com.facebook.buck.parser.ParserConfig.java

/**
 * A (possibly empty) sequence of paths to files that should be included by default when
 * evaluating a build file.//from w  w w  .  ja va2 s . co  m
 */
public Iterable<String> getDefaultIncludes() {
    ImmutableMap<String, String> entries = delegate.getEntriesForSection(BUILDFILE_SECTION_NAME);
    String includes = Strings.nullToEmpty(entries.get("includes"));
    return Splitter.on(' ').trimResults().omitEmptyStrings().split(includes);
}

From source file:com.opengamma.strata.report.framework.expression.RootEvaluator.java

private EvaluationResult evaluateMeasures(ResultsRow resultsRow, CalculationFunctions functions,
        List<String> remainingTokens) {

    // if no measures, return list of valid measures
    if (remainingTokens.isEmpty() || Strings.nullToEmpty(remainingTokens.get(0)).trim().isEmpty()) {
        List<String> measureNames = ResultsRow.measureNames(resultsRow.getTarget(), functions);
        return EvaluationResult.failure("No measure specified. Use one of: {}", measureNames);
    }/*from w ww  . jav  a2 s  . c  om*/
    // evaluate the measure name
    String measureToken = remainingTokens.get(0);
    return EvaluationResult.of(resultsRow.getResult(measureToken),
            remainingTokens.subList(1, remainingTokens.size()));
}

From source file:com.notifier.desktop.transport.bluetooth.impl.BluetoothTransportImpl.java

@Override
public void doStart() {
    LocalDevice localDevice = null;//from ww w  .j  av  a 2 s. c o m
    try {
        localDevice = LocalDevice.getLocalDevice();
        address = localDevice.getBluetoothAddress();
    } catch (BluetoothStateException e) {
        String message = Strings.nullToEmpty(e.getMessage());
        if ("BluetoothStack not detected".equals(message)) {
            throw new IllegalStateException("Bluetooth not detected, disabling it.", e);
        } else if (message.contains("libbluetooth.so")) {
            throw new IllegalStateException(
                    "You have to install the package libbluetooth-dev on Ubuntu or bluez-libs-devel on Fedora or bluez-devel on openSUSE to be able to receive bluetooth notifications.");
        } else {
            throw new RuntimeException(e);
        }
    }
    enabled = true;
    if (localDevice != null && acceptorThread == null) {
        acceptorThread = new Thread(new Runnable() {
            @Override
            public void run() {
                StreamConnectionNotifier notifier = null;
                try {
                    if (OperatingSystems.CURRENT_FAMILY == OperatingSystems.Family.MAC) {
                        notifier = (StreamConnectionNotifier) Connector.open(URL_MAC);
                    } else {
                        notifier = (StreamConnectionNotifier) Connector.open(URL_WINDOWS_LINUX);
                    }
                    while (!Thread.currentThread().isInterrupted()) {
                        StreamConnection connection = null;
                        InputStream inputStream = null;
                        try {
                            // acceptAndOpen() will never return without connection and it
                            // cannot be interrupted
                            connection = notifier.acceptAndOpen();
                            inputStream = connection.openInputStream();
                            byte[] data = ByteStreams.toByteArray(inputStream);
                            if (enabled) {
                                Notification notification = notificationParser.parse(data);
                                if (notification != null) {
                                    notificationManager.notificationReceived(notification);
                                }
                            }
                        } catch (InterruptedIOException e) {
                            break;
                        } catch (Exception e) {
                            if (e instanceof InterruptedException) {
                                break;
                            } else {
                                logger.error("Error handling bluetooth notification", e);
                                application.showError(Application.NAME + " Bluetooth Error",
                                        "An error ocurred while receiving bluetooth notification.");
                            }
                        } finally {
                            Closeables.closeQuietly(inputStream);
                            if (connection != null) {
                                try {
                                    connection.close();
                                } catch (Exception e) {
                                    logger.warn("Error closing bluetooth connection", e);
                                }
                            }
                        }
                    }
                } catch (Exception e) {
                    logger.error("Error setting up bluetooth", e);
                    application.showError("Error setting up Bluetooth",
                            "An error occurred while setting up bluetooth to receive connections.");
                } finally {
                    if (notifier != null) {
                        try {
                            notifier.close();
                        } catch (Exception e) {
                            logger.warn("Error closing bluetooth", e);
                        }
                    }
                    acceptorThread = null; // Allows a new thread to be started if this one dies
                }
            }
        }, NAME);
        acceptorThread.setDaemon(true);
        acceptorThread.start();
    }
}

From source file:org.zenoss.metrics.reporter.HttpPoster.java

private HttpPoster(final URL url, final String user, final String password, ObjectMapper mapper) {
    this.url = url;
    this.mapper = mapper;
    if (!Strings.nullToEmpty(user).trim().isEmpty()) {
        httpClient.getCredentialsProvider().setCredentials(new AuthScope(url.getHost(), url.getPort()),
                new UsernamePasswordCredentials(user, password));
        this.needsAuth = true;
    } else {/*from w w w . j  ava2s  . co m*/
        this.needsAuth = false;
    }
}

From source file:org.jclouds.virtualbox.functions.IpAddressesLoadingCache.java

@Override
public synchronized String get(MachineNameOrIdAndNicSlot machineNameOrIdAndNicPort) throws ExecutionException {
    if (masters.containsKey(machineNameOrIdAndNicPort)) {
        return masters.get(machineNameOrIdAndNicPort);
    }/*from  w  ww .  j av a2 s  . c om*/
    String query = String.format("/VirtualBox/GuestInfo/Net/%s/V4/IP", machineNameOrIdAndNicPort.getSlotText());
    String ipAddress = Strings.nullToEmpty(manager.get().getVBox()
            .findMachine(machineNameOrIdAndNicPort.getMachineNameOrId()).getGuestPropertyValue(query));
    if (!ipAddress.isEmpty()) {
        logger.debug("<< vm(%s) has IP address(%s) at slot(%s)", machineNameOrIdAndNicPort.getMachineNameOrId(),
                ipAddress, machineNameOrIdAndNicPort.getSlotText());
    }
    masters.put(machineNameOrIdAndNicPort, ipAddress);
    return ipAddress;
}

From source file:com.arcbees.website.client.BootstrapperImpl.java

private void validateNameTokenLanguageAndRevealPlace() {
    PlaceRequest currentPlaceRequest = placeManager.getCurrentPlaceRequest();
    String nameToken = Strings.nullToEmpty(History.getToken());
    String currentLocale = LocaleInfo.getCurrentLocale().getLocaleName();

    if ("en".compareToIgnoreCase(currentLocale) == 0) {
        if (!Strings.isNullOrEmpty(nameToken) && !NameTokens.isEn(nameToken)) {
            revealTranslatedNameToken(currentPlaceRequest, nameToken);
            return;
        }//from ww  w.  j av a2  s. co m
    } else if ("fr".compareToIgnoreCase(currentLocale) == 0) {
        if (NameTokens.isEn(nameToken)) {
            revealTranslatedNameToken(currentPlaceRequest, nameToken);
            return;
        }
    }

    placeManager.revealCurrentPlace();
}

From source file:de.schildbach.pte.MetProvider.java

@Override
protected Line parseLine(final @Nullable String id, final @Nullable String network, final @Nullable String mot,
        final @Nullable String symbol, final @Nullable String name, final @Nullable String longName,
        final @Nullable String trainType, final @Nullable String trainNum, final @Nullable String trainName) {
    if ("0".equals(mot)) {
        if ("Regional Train :".equals(longName))
            return new Line(id, network, Product.REGIONAL_TRAIN, symbol);
        if ("Regional Train".equals(trainName))
            return new Line(id, network, Product.REGIONAL_TRAIN, null);
        if ("vPK".equals(symbol) && "Regional Train Pakenham".equals(longName))
            return new Line(id, network, Product.REGIONAL_TRAIN, "V/Line");
    } else if ("1".equals(mot)) {
        if (trainType == null && trainNum != null)
            return new Line(id, network, Product.SUBURBAN_TRAIN, trainNum);
        if ("Metropolitan Train".equals(trainName) && trainNum == null)
            return new Line(id, network, Product.SUBURBAN_TRAIN, Strings.nullToEmpty(name));
    }/*  ww  w . j  av a2s .  c o m*/

    return super.parseLine(id, network, mot, symbol, name, longName, trainType, trainNum, trainName);
}

From source file:org.sonar.plugins.buildbreaker.IssuesSeverityBreaker.java

/**
 * Constructor used to inject dependencies.
 *
 * @param analysisMode the analysis mode
 * @param projectIssues the project's issues
 * @param settings the project settings//  w w  w  . jav a  2 s.  c  o m
 */
public IssuesSeverityBreaker(AnalysisMode analysisMode, ProjectIssues projectIssues, Settings settings) {
    this.analysisMode = analysisMode;
    this.projectIssues = projectIssues;
    issuesSeveritySetting = Strings.nullToEmpty(settings.getString(BuildBreakerPlugin.ISSUES_SEVERITY_KEY))
            .toUpperCase(Locale.US);
    issuesSeveritySettingValue = Severity.ALL.indexOf(issuesSeveritySetting);
}