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

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:com.google.testing.security.firingrange.tests.reverseclickjacking.UniversalReverseClickjackingSinglePage.java

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String parameterLocation, template;

    try {//from  w  w  w.  j a v  a2s .c om
        parameterLocation = Splitter.on('/').splitToList(request.getPathInfo()).get(2);
    } catch (IndexOutOfBoundsException e) {
        // The parameter location is not set. Return 400 later.
        Responses.sendError(response, "Please specify the location of the vulnerable parameter.", 400);
        return;
    }

    String vulnerableParameter = Strings.nullToEmpty(request.getParameter(VULNERABLE_PARAMETER));
    // Encode URL to prevent XSS
    vulnerableParameter = urlFormParameterEscaper().escape(vulnerableParameter);

    switch (parameterLocation) {
    case "ParameterInQuery":
        template = Templates.getTemplate("parameter_in_query.tmpl", getClass());
        template = Templates.replacePayload(template, vulnerableParameter);
        break;
    case "ParameterInFragment":
        template = Templates.getTemplate("parameter_in_fragment.tmpl", getClass());
        break;
    default:
        Responses.sendError(response, "Invalid location of the vulnerable parameter.", 400);
        return;
    }

    Responses.sendXssed(response, template);
}

From source file:com.b2international.snowowl.snomed.datastore.internal.id.reservations.ReservationRangeImpl.java

public ReservationRangeImpl(long itemIdMin, long itemIdMax, String namespace,
        Collection<ComponentCategory> components) {
    checkArgument(components.size() >= 1, "At least one ComponentNature must be defined");
    final int minItemIdMin = Strings.isNullOrEmpty(namespace) ? 100 : 1;
    checkArgument(itemIdMin >= minItemIdMin, "ItemIdMin should be greater than or equal to %s", minItemIdMin);
    checkArgument(itemIdMax >= itemIdMin, "ItemIdMax should be greater than or equal to ItemIdMin");
    this.itemIdRange = Range.closed(itemIdMin, itemIdMax);
    this.namespace = Strings.nullToEmpty(namespace);
    this.components = components;
}

From source file:org.sosy_lab.cpachecker.util.predicates.mathsat5.Mathsat5AbstractProver.java

public boolean isUnsat() throws InterruptedException, SolverException {
    Preconditions.checkState(curEnv != 0);
    try {//  w w  w  . ja  v  a  2 s  .com
        return !msat_check_sat(curEnv);
    } catch (IllegalStateException e) {
        String msg = Strings.nullToEmpty(e.getMessage());
        if (msg.contains("too many iterations")
                || msg.contains("impossible to build a suitable congruence graph!")
                || msg.contains("can't produce proofs")) {
            // This is not a bug in CPAchecker, but a problem of MathSAT which happens during interpolation
            throw new SolverException(e.getMessage(), e);
        }
        throw e;
    }
}

From source file:org.apache.sqoop.submission.spark.SqoopSparkClientManager.java

private void addJars(String addedJars) {
    for (String addedJar : CSV_SPLITTER.split(Strings.nullToEmpty(addedJars))) {
        if (!localJars.contains(addedJar)) {
            localJars.add(addedJar);/*from www. j  av a2  s.  c  o  m*/
            context.addJar(addedJar);
        }
    }
}

From source file:org.apache.sentry.policy.db.DBWildcardPrivilege.java

public DBWildcardPrivilege(String wildcardString) {
    wildcardString = Strings.nullToEmpty(wildcardString).trim();
    if (wildcardString.isEmpty()) {
        throw new IllegalArgumentException("Wildcard string cannot be null or empty.");
    }//from   w  ww .  ja  v  a  2 s  .com
    List<KeyValue> parts = Lists.newArrayList();
    for (String authorizable : ProviderConstants.AUTHORIZABLE_SPLITTER.trimResults().split(wildcardString)) {
        if (authorizable.isEmpty()) {
            throw new IllegalArgumentException("Privilege '" + wildcardString + "' has an empty section");
        }
        parts.add(new KeyValue(authorizable));
    }
    if (parts.isEmpty()) {
        throw new AssertionError("Should never occur: " + wildcardString);
    }
    this.parts = ImmutableList.copyOf(parts);
}

From source file:com.smoketurner.dropwizard.consul.task.MaintenanceTask.java

@Override
public void execute(ImmutableMultimap<String, String> parameters, PrintWriter output) throws Exception {

    if (!parameters.containsKey("enable")) {
        throw new IllegalArgumentException("Parameter \"enable\" not found");
    }//from   w  ww. jav  a 2 s  .com

    final boolean enable = Boolean.parseBoolean(parameters.get("enable").asList().get(0));
    final String reason;
    if (parameters.containsKey("reason")) {
        reason = Strings.nullToEmpty(parameters.get("reason").asList().get(0));
    } else {
        reason = "";
    }

    if (enable) {
        if (!Strings.isNullOrEmpty(reason)) {
            LOGGER.warn("Enabling maintenance mode for service {} (reason: {})", serviceId, reason);
        } else {
            LOGGER.warn("Enabling maintenance mode for service {} (no reason given)", serviceId);
        }
    } else {
        LOGGER.warn("Disabling maintenance mode for service {}", serviceId);
    }

    consul.agentClient().toggleMaintenanceMode(serviceId, enable, reason);

    output.println("OK");
    output.flush();
}

From source file:edu.cmu.lti.oaqa.baseqa.providers.query.LuceneQueryStringConstructor.java

@Override
public String formatQueryConcept(String formatQueryField, String formatQueryText) {
    return Strings.nullToEmpty(formatQueryField) + formatQueryText;
}

From source file:io.druid.server.namespace.http.NamespacesCacheResource.java

@GET
@Produces({ MediaType.APPLICATION_JSON, SmileMediaTypes.APPLICATION_JACKSON_SMILE })
public Response getNamespaces() {
    try {/*from  www.  jav  a 2 s  .co m*/
        return Response.ok().entity(namespaceExtractionCacheManager.getKnownNamespaces()).build();
    } catch (Exception ex) {
        log.error("Can not get the list of known namespaces");
        return Response.serverError().entity(Strings.nullToEmpty(ex.getMessage())).build();
    }
}

From source file:org.haiku.haikudepotserver.dataobjects.PkgLocalization.java

@Override
protected void validateForSave(ValidationResult validationResult) {

    String titleTrimmed = Strings.emptyToNull(Strings.nullToEmpty(getTitle()).trim());
    String descriptionTrimmed = Strings.emptyToNull(Strings.nullToEmpty(getDescription()).trim());
    String summaryTrimmed = Strings.emptyToNull(Strings.nullToEmpty(getSummary()).trim());

    if (!Objects.equals(titleTrimmed, getTitle())) {
        setTitle(titleTrimmed);/* w  w  w .  j  av a 2s .c  o m*/
    }

    if (!Objects.equals(descriptionTrimmed, getDescription())) {
        setDescription(descriptionTrimmed);
    }

    if (!Objects.equals(summaryTrimmed, getSummary())) {
        setSummary(summaryTrimmed);
    }

    super.validateForSave(validationResult);

}

From source file:org.apache.sentry.policy.search.SearchWildcardPermission.java

public SearchWildcardPermission(String wildcardString) {
    wildcardString = Strings.nullToEmpty(wildcardString).trim();
    if (wildcardString.isEmpty()) {
        throw new IllegalArgumentException("Wildcard string cannot be null or empty.");
    }/*from   w w  w . ja  v  a  2  s.  co m*/
    List<KeyValue> parts = Lists.newArrayList();
    for (String authorizable : AUTHORIZABLE_SPLITTER.trimResults().split(wildcardString)) {
        if (authorizable.isEmpty()) {
            throw new IllegalArgumentException("Privilege '" + wildcardString + "' has an empty section");
        }
        parts.add(new KeyValue(authorizable));
    }
    if (parts.isEmpty()) {
        throw new AssertionError("Should never occur: " + wildcardString);
    }
    this.parts = ImmutableList.copyOf(parts);
}