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.zimbra.cs.db.HSQLDB.java

/**
 * Populates ZIMBRA and MBOXGROUP1 schema.
 * @param zimbraServerDir the directory that contains the ZimbraServer project
 * @throws Exception/*  w  w  w .j  a v  a2 s  .c o m*/
 */
public static void createDatabase(String zimbraServerDir, boolean isOctopus) throws Exception {
    zimbraServerDir = Strings.nullToEmpty(zimbraServerDir);
    PreparedStatement stmt = null;
    ResultSet rs = null;
    DbConnection conn = DbPool.getConnection();
    try {
        stmt = conn.prepareStatement("SELECT COUNT(*) FROM information_schema.schemata WHERE schema_name = ?");
        stmt.setString(1, "ZIMBRA");
        rs = stmt.executeQuery();
        if (rs.next() && rs.getInt(1) > 0) {
            return; // already exists
        }
        execute(conn, zimbraServerDir + "src/db/hsqldb/db.sql");
        execute(conn, zimbraServerDir + "src/db/hsqldb/create_database.sql");
        if (isOctopus) {
            execute(conn, "src/db/hsqldb/create_octopus_tables.sql");
        }
    } finally {
        DbPool.closeResults(rs);
        DbPool.quietCloseStatement(stmt);
        DbPool.quietClose(conn);
    }
}

From source file:org.obiba.onyx.quartz.core.engine.questionnaire.question.Attributes.java

/**
 * @param namespace//from w ww  . j  ava 2s  .co  m
 * @param name
 * @param value
 * @param locale
 * @return
 */
private static Attribute buildAttribute(String namespace, String name, String value, Locale locale) {
    Attribute.Builder attributeBuilder = Attribute.Builder.newAttribute();
    attributeBuilder.withNamespace(Strings.emptyToNull(namespace));
    attributeBuilder.withName(name);
    attributeBuilder.withValue(Strings.nullToEmpty(value));
    attributeBuilder.withLocale(locale);
    Attribute attribute = attributeBuilder.build();
    return attribute;
}

From source file:org.glowroot.agent.model.ErrorMessage.java

public static ErrorMessage create(@Nullable String message, java.lang. /*@Nullable*/ Throwable t,
        AtomicInteger transactionThrowableFrameCount) {
    if (t == null) {
        return ImmutableErrorMessage.of(Strings.nullToEmpty(message), null);
    } else {/*from  w w  w .  j a  v a2  s  .  co  m*/
        // "root cause" exception message is generally much more useful than generic wrapper
        // message from log statement
        return ImmutableErrorMessage.of(Throwables.getBestMessage(t),
                buildThrowableInfo(t, null, transactionThrowableFrameCount, 0));
    }
}

From source file:pzalejko.iot.hardware.home.core.service.configuration.DefaultApplicationConfiguration.java

public DefaultApplicationConfiguration(Properties properties) {
    checkNotNull(properties);//from   w ww.  ja  v a2s.  c  om

    final String value = Strings.nullToEmpty(properties.getProperty(SHUTDOWN_KEY));
    checkArgument(!value.isEmpty());

    shutDownDelay = Integer.parseInt(value);
}

From source file:scoutdoc.main.check.CheckstyleFileWriter.java

public static void write(List<Check> list, PrintWriter w) {
    w.println(XML_VERSION);//from   w  w  w  .  j  av a  2s  .  c  o m
    w.println(CHECKSTYLE_OPEN);

    Multimap<String, Check> multimap = ArrayListMultimap.create();

    for (Check check : list) {
        String filePath = PageUtility.toFile(check.getPage()).getAbsolutePath();
        multimap.put(filePath, check);
    }

    for (String file : multimap.keySet()) {
        w.println("<file name=\"" + file + "\">");
        for (Check check : multimap.get(file)) {
            w.print("<error");
            w.print(" line=\"" + check.getLine() + "\"");
            w.print(" column=\"" + check.getColumn() + "\"");
            w.print(" severity=\"" + Objects.firstNonNull(check.getSeverity(), "") + "\"");
            w.print(" message=\"" + Strings.nullToEmpty(check.getMessage()) + "\"");
            w.print(" source=\"" + Strings.nullToEmpty(check.getSource()) + "\"");
            w.println("/>");
        }
        w.println(FILE_CLOSE);
    }
    w.println(CHECKSTYLE_CLOSE);
}

From source file:de.compeople.commons.net.proxy.win32.ProxySelectorPACUtils.java

/**
 * @param pacFindProxyForUrlResult/*  www  .  ja v a  2  s .co  m*/
 * @return
 */
public static List<Proxy> getProxies(String pacFindProxyForUrlResult) {
    if (Strings.nullToEmpty(pacFindProxyForUrlResult).trim().length() == 0) {
        return ProxySelectorUtils.getProxyListDirectAccessOnly();
    }

    final List<Proxy> result = new ArrayList<Proxy>();
    final Scanner scanner = new Scanner(pacFindProxyForUrlResult);
    scanner.useDelimiter(";");
    while (scanner.hasNext()) {
        final String pacProxy = scanner.next().trim();
        final Proxy proxy = getProxy(pacProxy);
        if (proxy != null) {
            result.add(proxy);
        }
    }

    return result;
}

From source file:org.gbif.ws.server.filter.RequestHeaderParamUpdateFilter.java

private static void processLanguage(HttpRequestContext request) {
    String language = Strings.nullToEmpty(request.getQueryParameters().getFirst("language")).trim();
    if (!language.isEmpty()) {
        // overwrite http language
        request.getRequestHeaders().putSingle(HttpHeaders.ACCEPT_LANGUAGE, language.toLowerCase());
    }/*from   w w  w . j a v  a2 s  .  c o m*/
}

From source file:com.google.gerrit.httpd.plugins.ContextMapper.java

ContextMapper(String contextPath) {
    base = Strings.nullToEmpty(contextPath) + PLUGINS_PREFIX;
    authorizedBase = Strings.nullToEmpty(contextPath) + AUTHORIZED_PREFIX;
}

From source file:ph.devcon.android.util.Util.java

public static String nullToEmpty(String s) {
    return Strings.nullToEmpty(s);
}

From source file:com.google.gerrit.server.group.GetDescription.java

@Override
public String apply(GroupResource resource) throws MethodNotAllowedException {
    AccountGroup group = resource.toAccountGroup();
    if (group == null) {
        throw new MethodNotAllowedException();
    }/*from   w w w.j ava  2  s.c  o  m*/
    return Strings.nullToEmpty(group.getDescription());
}