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:com.github.vbauer.yta.service.fraction.impl.TranslationApiImpl.java

/**
 * {@inheritDoc}/* www .  j  av  a2 s  .  c om*/
 */
@Nonnull
@Override
public Translation translate(@Nullable final String text, @Nonnull final Direction direction,
        @Nullable final TextFormat format) {
    final Map<String, Object> params = ImmutableMap.<String, Object>builder()
            .put(ATTR_TEXT, Strings.nullToEmpty(text)).put(ATTR_LANG, direction.toString())
            .put(ATTR_FORMAT, TextFormat.getOrDefault(format).code()).build();

    final TranslationInfo data = callMethod(TranslationInfo.class, METHOD_DETECT, params);
    ApiStatus.check(data.code());

    return Preconditions.checkNotNull(TranslationConverter.INSTANCE.convert(data));
}

From source file:org.jclouds.vcloud.director.testng.FormatApiResultsListener.java

private String getTest(ITestResult res) {
    return Strings.nullToEmpty(res.getName());
}

From source file:com.google.devtools.build.lib.bazel.repository.downloader.HttpDownloader.java

/** Validates native repository rule attributes and calls the other download method. */
public Path download(Rule rule, Path outputDirectory, EventHandler eventHandler, Map<String, String> clientEnv)
        throws RepositoryFunctionException, InterruptedException {
    WorkspaceAttributeMapper mapper = WorkspaceAttributeMapper.of(rule);
    List<URL> urls = new ArrayList<>();
    String sha256;/*from   w w  w. j a  va  2  s  .com*/
    String type;
    try {
        String urlString = Strings.nullToEmpty(mapper.get("url", Type.STRING));
        if (!urlString.isEmpty()) {
            try {
                URL url = new URL(urlString);
                if (!HttpUtils.isUrlSupportedByDownloader(url)) {
                    throw new EvalException(rule.getAttributeLocation("url"),
                            "Unsupported protocol: " + url.getProtocol());
                }
                urls.add(url);
            } catch (MalformedURLException e) {
                throw new EvalException(rule.getAttributeLocation("url"), e.toString());
            }
        }
        List<String> urlStrings = MoreObjects.firstNonNull(mapper.get("urls", Type.STRING_LIST),
                ImmutableList.<String>of());
        if (!urlStrings.isEmpty()) {
            if (!urls.isEmpty()) {
                throw new EvalException(rule.getAttributeLocation("url"), "Don't set url if urls is set");
            }
            try {
                for (String urlString2 : urlStrings) {
                    URL url = new URL(urlString2);
                    if (!HttpUtils.isUrlSupportedByDownloader(url)) {
                        throw new EvalException(rule.getAttributeLocation("urls"),
                                "Unsupported protocol: " + url.getProtocol());
                    }
                    urls.add(url);
                }
            } catch (MalformedURLException e) {
                throw new EvalException(rule.getAttributeLocation("urls"), e.toString());
            }
        }
        if (urls.isEmpty()) {
            throw new EvalException(rule.getLocation(), "urls attribute not set");
        }
        sha256 = Strings.nullToEmpty(mapper.get("sha256", Type.STRING));
        if (!sha256.isEmpty() && !RepositoryCache.KeyType.SHA256.isValid(sha256)) {
            throw new EvalException(rule.getAttributeLocation("sha256"), "Invalid SHA256 checksum");
        }
        type = Strings.nullToEmpty(mapper.get("type", Type.STRING));
    } catch (EvalException e) {
        throw new RepositoryFunctionException(e, Transience.PERSISTENT);
    }
    try {
        return download(urls, sha256, Optional.of(type), outputDirectory, eventHandler, clientEnv);
    } catch (IOException e) {
        throw new RepositoryFunctionException(e, Transience.TRANSIENT);
    }
}

From source file:org.sosy_lab.solver.mathsat5.Mathsat5AbstractProver.java

private void handleSolverExceptionInUnsatCheck(IllegalStateException e) throws SolverException {
    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")
            || msg.equals("msat_solve returned \"unknown\": unsupported")) {
        // This is not a bug in CPAchecker, but a problem of MathSAT which happens during interpolation
        throw new SolverException(e.getMessage(), e);
    }//  w ww . java  2  s . com
}

From source file:com.zimbra.cs.mime.MimeHandler.java

public String getContentType() {
    return Strings.nullToEmpty(contentType);
}

From source file:fr.xebia.cocktail.Cocktail.java

public String getInstructionsAsHtml() {
    return Strings.nullToEmpty(instructions).replace("\n", "<br />\n");
}

From source file:com.reprezen.swagedit.json.references.JsonReferenceFactory.java

protected JsonReference doCreate(String value, Object source) {
    String notNull = Strings.nullToEmpty(value);

    URI uri;//from  w  w  w .j  a v a  2  s.  com
    try {
        uri = URI.create(notNull);
    } catch (NullPointerException | IllegalArgumentException e) {
        // try to encode illegal characters, e.g. curly braces
        try {
            uri = URI.create(URLUtils.encodeURL(notNull));
        } catch (NullPointerException | IllegalArgumentException e2) {
            return new JsonReference(null, null, false, false, false, source);
        }
    }

    String fragment = uri.getFragment();
    JsonPointer pointer = null;
    try {
        pointer = JsonPointer.compile(Strings.emptyToNull(fragment));
    } catch (IllegalArgumentException e) {
        // let the pointer be null
    }

    uri = uri.normalize();
    boolean absolute = uri.isAbsolute();
    boolean local = !absolute && uri.getPath().isEmpty();
    // should warn when using curly braces
    boolean warnings = notNull.contains("{") || uri.toString().contains("}");

    return new JsonReference(uri, pointer, absolute, local, warnings, source);
}

From source file:org.gradle.api.publish.maven.internal.publisher.AbstractMavenPublisher.java

private void addPomAndArtifacts(MavenPublishAction publishAction, MavenNormalizedPublication publication) {
    MavenArtifact pomArtifact = publication.getPomArtifact();
    publishAction.setPomArtifact(pomArtifact.getFile());

    MavenArtifact mainArtifact = publication.getMainArtifact();
    if (mainArtifact != null) {
        publishAction.setMainArtifact(mainArtifact.getFile());
    }//from w ww  . j  a  v  a 2  s  .co  m

    for (MavenArtifact artifact : publication.getAllArtifacts()) {
        if (artifact == mainArtifact || artifact == pomArtifact) {
            continue;
        }
        publishAction.addAdditionalArtifact(artifact.getFile(), Strings.nullToEmpty(artifact.getExtension()),
                Strings.nullToEmpty(artifact.getClassifier()));
    }
}

From source file:com.google.gerrit.server.account.PutAgreement.java

@Override
public Response<String> apply(AccountResource resource, AgreementInput input)
        throws IOException, OrmException, RestApiException {
    if (!agreementsEnabled) {
        throw new MethodNotAllowedException("contributor agreements disabled");
    }//w ww.ja v a  2s .c om

    if (self.get() != resource.getUser()) {
        throw new AuthException("not allowed to enter contributor agreement");
    }

    String agreementName = Strings.nullToEmpty(input.name);
    ContributorAgreement ca = projectCache.getAllProjects().getConfig().getContributorAgreement(agreementName);
    if (ca == null) {
        throw new UnprocessableEntityException("contributor agreement not found");
    }

    if (ca.getAutoVerify() == null) {
        throw new BadRequestException("cannot enter a non-autoVerify agreement");
    }

    AccountGroup.UUID uuid = ca.getAutoVerify().getUUID();
    if (uuid == null) {
        throw new ResourceConflictException("autoverify group uuid not found");
    }

    AccountGroup group = groupCache.get(uuid);
    if (group == null) {
        throw new ResourceConflictException("autoverify group not found");
    }

    Account account = self.get().getAccount();
    addMembers.addMembers(group.getId(), ImmutableList.of(account.getId()));
    agreementSignup.fire(account, agreementName);

    return Response.ok(agreementName);
}

From source file:org.sonatype.nexus.extender.modules.NexusBundleModule.java

public NexusBundleModule(final Bundle bundle, final MutableBeanLocator locator, final Map<?, ?> nexusProperties,
        final ServletContextModule servletContextModule,
        final List<AbstractInterceptorModule> interceptorModules,
        final List<TypeConverterSupport> converterModules, final LifecycleModule lifecycleModule) {
    super(bundle, locator);

    this.nexusProperties = nexusProperties;
    this.servletContextModule = servletContextModule;
    this.interceptorModules = interceptorModules;
    this.converterModules = converterModules;
    this.lifecycleModule = lifecycleModule;

    imports = Strings.nullToEmpty(bundle.getHeaders().get(Constants.IMPORT_PACKAGE));
}