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

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

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Introduction

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

Prototype

public static boolean isNullOrEmpty(@Nullable String string)

Source Link

Document

Returns true if the given string is null or is the empty string.

Usage

From source file:org.datacleaner.util.ErrorUtils.java

/**
 * Unwraps an exception for presentation to the user. This method will
 * remove unnecesary/irrelevant wrapping exceptions if possible.
 *
 * @param throwable//from w  ww . ja  v  a2  s  . com
 * @return
 */
public static Throwable unwrapForPresentation(Throwable throwable) {
    if (throwable == null) {
        return null;
    }
    while (throwable instanceof ExecutionException || throwable instanceof IllegalStateException
            || throwable.getClass() == RuntimeException.class) {
        // unwrap causes from wrapping exceptions
        final Throwable cause = throwable.getCause();
        if (cause == null) {
            break;
        }
        final String message = throwable.getMessage();
        if (Strings.isNullOrEmpty(message) || cause.toString().equals(message)) {
            // run another iteration
            throwable = cause;
        } else {
            break;
        }
    }
    return throwable;
}

From source file:uk.co.bubblebearapps.motionaiclient.conversation.customsetters.CardsCustomSetters.java

@BindingAdapter(value = { "cardButtons", "cardActionHandler" })
public static void setCardButtons(ViewGroup viewGroup, List<CardButtonModel> cardButtonModels,
        final ConversationContract.Presenter listItemActionHandler) {

    recycleButtons(viewGroup);//from w  w w.  j  a  v a  2s  .  c o m

    for (CardButtonModel cardButtonModel : cardButtonModels) {

        if (Strings.isNullOrEmpty(cardButtonModel.getLabel())) {
            continue;
        }

        Button button = spareButtons.size() > 0 ? spareButtons.pop() : createNewButton(viewGroup);
        bindCardButtonModel(button, listItemActionHandler, cardButtonModel);
        viewGroup.addView(button);
    }

}

From source file:com.b2international.snowowl.snomed.importer.rf2.refset.SnomedRefSetImporterFactory.java

public static AbstractSnomedRefSetImporter<?, ?> createRefSetImporter(final URL url,
        final SnomedImportContext importContext, String urlIdentifier) throws IOException {

    if (url == null) {
        return null;
    }/*from w  w w. ja va 2s  .  c o m*/

    String header;

    try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream(), Charsets.UTF_8))) {

        header = reader.readLine();

        if (Strings.isNullOrEmpty(header)) {
            return null;
        }

    }

    List<String> headerElements = TAB_SPLITTER.splitToList(header);
    String lastColumnName = Iterables.getLast(headerElements);

    if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_QUERY)) {
        return new SnomedQueryRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_VALUE_ID)) {
        return new SnomedAttributeValueRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_TARGET_COMPONENT)
            || lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_TARGET_COMPONENT_ID)) {
        return new SnomedAssociationRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_MAP_TARGET)) {
        return new SnomedSimpleMapTypeRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_MAP_TARGET_DESCRIPTION)) {
        return new SnomedSimpleMapWithDescriptionRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_ACCEPTABILITY_ID)) {
        return new SnomedLanguageRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_REFERENCED_COMPONENT_ID)) {
        return new SnomedSimpleTypeRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_CORRELATION_ID)) {
        return new SnomedComplexMapTypeRefSetImporter(importContext, url.openStream(), false, urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_MAP_CATEGORY_ID)) {
        return new SnomedComplexMapTypeRefSetImporter(importContext, url.openStream(), true, urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_DESCRIPTION_LENGTH)) {
        return new SnomedDescriptionTypeRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_CHARACTERISTIC_TYPE_ID)) {
        return new SnomedConcreteDataTypeRefSetImporter(importContext, url.openStream(), true, urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_TARGET_EFFECTIVE_TIME)) {
        return new SnomedModuleDependencyRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_OWL_EXPRESSION)) {
        if (urlIdentifier.contains("Axiom")) {
            return new SnomedOWLAxiomRefSetImporter(importContext, url.openStream(), urlIdentifier);
        } else if (urlIdentifier.contains("Ontology")) {
            return new SnomedOWLOntologyRefSetImporter(importContext, url.openStream(), urlIdentifier);
        }
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_MRCM_EDITORIAL_GUIDE_REFERENCE)) {
        return new SnomedMRCMDomainRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equalsIgnoreCase(SnomedRf2Headers.FIELD_MRCM_RULE_REFSET_ID)) {
        return new SnomedMRCMModuleScopeRefSetImporter(importContext, url.openStream(), urlIdentifier);
    } else if (lastColumnName.equals(SnomedRf2Headers.FIELD_MRCM_CONTENT_TYPE_ID)) {
        if (headerElements.contains(SnomedRf2Headers.FIELD_MRCM_DOMAIN_ID)) {
            return new SnomedMRCMAttributeDomainRefSetImporter(importContext, url.openStream(), urlIdentifier);
        } else if (headerElements.contains(SnomedRf2Headers.FIELD_MRCM_RANGE_CONSTRAINT)) {
            return new SnomedMRCMAttributeRangeRefSetImporter(importContext, url.openStream(), urlIdentifier);
        }
    }

    return null;
}

From source file:io.pravega.client.segment.impl.Segment.java

public static String getScopedName(String scope, String streamName, int segmentNumber) {
    StringBuffer sb = new StringBuffer();
    if (!Strings.isNullOrEmpty(scope)) {
        sb.append(scope);//from  w w w  .  j av  a2s.c  o  m
        sb.append('/');
    }
    sb.append(streamName);
    sb.append('/');
    sb.append(segmentNumber);
    return sb.toString();
}

From source file:com.haulmont.cuba.core.global.Stores.java

/**
 * @return the list of additional data store names registered in the {@code cuba.additionalStores} app property
 *///w  w  w.java  2  s. c  o  m
public static List<String> getAdditional() {
    String dbProp = AppContext.getProperty("cuba.additionalStores");
    if (!Strings.isNullOrEmpty(dbProp))
        return SPLITTER.splitToList(dbProp);
    else
        return Collections.emptyList();
}

From source file:org.killbill.billing.plugin.dwolla.util.DwollaPaymentPluginHelper.java

public static PaymentPluginStatus getPaymentPluginStatus(final DwollaResponsesRecord record) {
    if (Strings.isNullOrEmpty(record.getTransferStatus())) {
        return PaymentPluginStatus.UNDEFINED;
    } else {//from  w w w. j  a  va2  s.c  o m
        return getPaymentPluginStatusFromTransfer(record.getTransferStatus());
    }
}

From source file:org.eclipse.incquery.patternlanguage.emf.helper.GeneratorModelHelper.java

/**
 * Resolves the {@link Variable} using information from the {@link GenPackage}. Tries to find an appropriate
 * {@link GenClass} for the {@link EClassifier}. If one is found, then returns a {@link JvmTypeReference} for it's
 * qualified interface name.//from  w w w .  j  a  va  2 s . c  om
 *
 * @param genPackage
 * @param classifier
 * @return
 */
public static String resolveTypeReference(GenPackage genPackage, EClassifier classifier) {
    GenClassifier genClassifier = findGenClassifier(genPackage, classifier);
    String className = null;
    if (!Strings.isNullOrEmpty(classifier.getInstanceClassName())) {
        className = classifier.getInstanceClassName();
    } else if (genClassifier instanceof GenClass) {
        className = ((GenClass) genClassifier).getQualifiedInterfaceName();
    } else if (genClassifier instanceof GenEnum) {
        className = ((GenEnum) genClassifier).getQualifiedInstanceClassName();
    } else {
        //At this point, no corresponding genpackage declaration was found; creating default type
        className = genPackage.getInterfacePackageName() + "." + classifier.getName();
    }
    return className;
}

From source file:org.attribyte.api.pubsub.impl.Notifier.java

/**
 * Adds the optional signature.//from w ww. j a  v  a  2 s .c om
 * @param builder The request builder.
 * @param notificationContent The notification content.
 * @param subscription The subscription.
 */
protected static void addSignature(final RequestBuilder builder, final ByteString notificationContent,
        final Subscription subscription) {
    if (!Strings.isNullOrEmpty(subscription.getSecret()) && notificationContent != null) {
        try {
            String hmacSignature = HMACUtil.hexHMAC(notificationContent.toByteArray(),
                    subscription.getSecret());
            builder.addHeader("X-Hub-Signature", "sha1=" + hmacSignature);
        } catch (SignatureException se) {
            builder.addHeader("X-Hub-Signature", "sha1=");
        }
    }
}

From source file:org.sonar.api.rule.RuleKey.java

/**
 * Create a key. Parameters are NOT null.
 *//*from  www . j  a  va2  s  . co m*/
public static RuleKey of(String repository, String rule) {
    Preconditions.checkArgument(!Strings.isNullOrEmpty(repository), "Repository must be set");
    Preconditions.checkArgument(!Strings.isNullOrEmpty(rule), "Rule must be set");
    return new RuleKey(repository, rule);
}

From source file:org.eclipse.buildship.core.util.gradle.GradleDistributionValidator.java

/**
 * Creates a new {@code Validator} instance.
 *
 * @return the new instance//from w ww  .  j a v a 2 s .  c om
 */
public static Validator<GradleDistributionWrapper> gradleDistributionValidator() {
    return new Validator<GradleDistributionWrapper>() {

        @Override
        public Optional<String> validate(GradleDistributionWrapper gradleDistribution) {
            GradleDistributionWrapper.DistributionType type = gradleDistribution.getType();
            String configuration = gradleDistribution.getConfiguration();

            if (GradleDistributionWrapper.DistributionType.LOCAL_INSTALLATION == type) {
                if (Strings.isNullOrEmpty(configuration)) {
                    return Optional.of(NLS.bind(CoreMessages.ErrorMessage_0_MustBeSpecified,
                            CoreMessages.GradleDistribution_Label_LocalInstallationDirectory));
                } else if (!new File(configuration).exists()) {
                    return Optional.of(NLS.bind(CoreMessages.ErrorMessage_0_DoesNotExist,
                            CoreMessages.GradleDistribution_Label_LocalInstallationDirectory));
                } else {
                    return Optional.absent();
                }
            } else if (GradleDistributionWrapper.DistributionType.REMOTE_DISTRIBUTION == type) {
                if (Strings.isNullOrEmpty(configuration)) {
                    return Optional.of(NLS.bind(CoreMessages.ErrorMessage_0_MustBeSpecified,
                            CoreMessages.GradleDistribution_Label_RemoteDistributionUri));
                } else if (!isValidURI(configuration)) {
                    return Optional.of(NLS.bind(CoreMessages.ErrorMessage_0_IsNotValid,
                            CoreMessages.GradleDistribution_Label_RemoteDistributionUri));
                } else {
                    return Optional.absent();
                }
            } else if (GradleDistributionWrapper.DistributionType.VERSION == type) {
                if (Strings.isNullOrEmpty(configuration)) {
                    return Optional.of(NLS.bind(CoreMessages.ErrorMessage_0_MustBeSpecified,
                            CoreMessages.GradleDistribution_Label_SpecificGradleVersion));
                } else {
                    return Optional.absent();
                }
            } else {
                return Optional.absent();
            }
        }

        private boolean isValidURI(String configuration) {
            try {
                new URI(configuration);
                return true;
            } catch (URISyntaxException e) {
                return false;
            }
        }
    };
}