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:ec.nbdemetra.ui.tsproviders.DataSourceProviderBuddySupport.java

@Nonnull
public IDataSourceProviderBuddy get(@Nullable String providerName) {
    String tmp = Strings.nullToEmpty(providerName);
    for (IDataSourceProviderBuddy o : Lookup.getDefault().lookupAll(IDataSourceProviderBuddy.class)) {
        if (o.getProviderName().equals(tmp)) {
            return o;
        }/* w w w .  j  a  v  a  2s  .  c  om*/
    }
    return getFallback(tmp);
}

From source file:com.qcadoo.mes.cmmsMachineParts.hooks.MaintenanceEventHooks.java

public void onSave(final DataDefinition eventDD, final Entity event) {
    if (event.getBelongsToField(MaintenanceEventFields.PERSON_RECEIVING) != null) {
        String person = Strings
                .nullToEmpty(event.getBelongsToField(MaintenanceEventFields.PERSON_RECEIVING)
                        .getStringField(StaffFields.NAME))
                + " " + Strings.nullToEmpty(event.getBelongsToField(MaintenanceEventFields.PERSON_RECEIVING)
                        .getStringField(StaffFields.SURNAME));
        event.setField(MaintenanceEventFields.PERSON_RECEIVING_NAME, person);
    }// w  ww  .j a v a2 s. com
}

From source file:eu.interedition.text.lmnl.ClixRangeAnnotationGenerator.java

@Override
public boolean accept(XMLStreamReader reader) {
    if (reader.isStartElement()) {
        String startId = null;/*  ww w . j  av  a  2 s .com*/
        String endId = null;
        for (int a = 0, ac = reader.getAttributeCount(); a < ac; a++) {
            final String localName = reader.getAttributeLocalName(a);
            final String ns = Strings.nullToEmpty(reader.getAttributeNamespace(a));
            if (!ns.isEmpty() && !ns.equals(NamespaceMapping.CLIX_NS_URI)) {
                continue;
            }
            if (CLIX_START_ATTR_NAME.equals(localName)) {
                startId = reader.getAttributeValue(a);
            } else if (CLIX_END_ATTR_NAME.equals(localName)) {
                endId = reader.getAttributeValue(a);
            }
        }
        if (startId == null && endId == null) {
            clixElements.push(false);
            return true;
        }

        if (startId != null) {
            final ObjectNode attributes = objectMapper.createObjectNode();
            for (int a = 0, ac = reader.getAttributeCount(); a < ac; a++) {
                final QName name = reader.getAttributeName(a);
                final String ns = Strings.nullToEmpty(name.getNamespaceURI());
                final String ln = name.getLocalPart();
                if ((ns.isEmpty() || ns.equals(NamespaceMapping.CLIX_NS_URI))
                        && (CLIX_START_ATTR_NAME.equals(ln) || CLIX_END_ATTR_NAME.equals(ln))) {
                    continue;
                }
                attributes.put(converter().name(name), reader.getAttributeValue(a));
            }
            final ObjectNode data = objectMapper.createObjectNode();
            data.put(converter().name(XML_ELEMENT_NAME), converter().name(reader.getName()));
            if (attributes.size() > 0) {
                data.put(converter().name(XML_ELEMENT_ATTRS), attributes);
            }
            annotations.put(startId, data);
            startOffsets.put(startId, converter().offset());
            converter().annotationsStarts(data);
        }
        if (endId != null) {
            final ObjectNode data = annotations.remove(endId);
            final Integer start = startOffsets.remove(endId);
            if (data != null && start != null) {
                converter().annotationEnds(start, data);
            }
        }
        clixElements.push(true);
        return false;
    } else if (reader.isEndElement()) {
        return !clixElements.pop();
    }
    return true;
}

From source file:org.apache.sentry.provider.file.WildcardPermission.java

public WildcardPermission(String wildcardString) {
    wildcardString = Strings.nullToEmpty(wildcardString).trim();
    if (wildcardString.isEmpty()) {
        throw new IllegalArgumentException("Wildcard string cannot be null or empty.");
    }/* ww w . j  a  va 2  s  .  c  om*/
    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);
}

From source file:com.arcbees.staging.TomcatStagingPropertiesProcessor.java

private boolean isEmptyOrSpaces(String value) {
    return Strings.nullToEmpty(value).trim().isEmpty();
}

From source file:io.druid.query.extraction.UpperExtractionFn.java

@Override
public byte[] getCacheKey() {
    byte[] localeBytes = StringUtils.toUtf8(Strings.nullToEmpty(localeString));
    return ByteBuffer.allocate(2 + localeBytes.length).put(ExtractionCacheHelper.CACHE_TYPE_ID_UPPER)
            .put((byte) 0XFF).put(localeBytes).array();
}

From source file:io.druid.query.extraction.LowerExtractionFn.java

@Override
public byte[] getCacheKey() {
    byte[] localeBytes = StringUtils.toUtf8(Strings.nullToEmpty(localeString));
    return ByteBuffer.allocate(2 + localeBytes.length).put(ExtractionCacheHelper.CACHE_TYPE_ID_LOWER)
            .put((byte) 0XFF).put(localeBytes).array();
}

From source file:org.apache.impala.analysis.CreateTableDataSrcStmt.java

public CreateTableDataSrcStmt(CreateTableStmt createTableStmt, String dataSourceName, String initString) {
    super(createTableStmt);
    Preconditions.checkNotNull(dataSourceName);
    getTblProperties().put(TBL_PROP_DATA_SRC_NAME, dataSourceName.toLowerCase());
    getTblProperties().put(TBL_PROP_INIT_STRING, Strings.nullToEmpty(initString));
}

From source file:com.googlesource.gerrit.plugins.its.base.workflow.AddStandardComment.java

private String getValueFromMap(Map<String, String> map, String keyPrefix, String... keyOptions) {
    for (String key : keyOptions) {
        String ret = Strings.nullToEmpty(map.get(keyPrefix + key));
        if (!ret.isEmpty()) {
            return ret;
        }/*from www .j  a  v  a  2 s.  com*/
    }
    return "";
}

From source file:com.zimbra.soap.admin.type.Names.java

public Iterable<String> getListOfNames() {
    return COMMA_SPLITTER.split(Strings.nullToEmpty(names));
}