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

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.activityinfo.server.util.config.BeanstalkEnvironment.java

public static boolean credentialsArePresent() {
    return !Strings.isNullOrEmpty(getAccessKeyId()) && !Strings.isNullOrEmpty(getSecretKey());
}

From source file:com.sixt.service.framework.kafka.messaging.Topic.java

public static Topic serviceInbox(@NotNull String serviceName, String inboxName) {
    StringBuilder topic = new StringBuilder();
    topic.append("inbox");

    if (!Strings.isNullOrEmpty(inboxName)) {
        topic.append("_");
        topic.append(inboxName);//from  w  w w  . j ava2 s  .  c om
    }

    if (Strings.isNullOrEmpty(serviceName)) {
        throw new IllegalArgumentException("service name must not be null or empty");
    }

    topic.append("-");
    topic.append(serviceName);

    return new Topic(topic.toString());
}

From source file:net.awairo.mcmod.common.CommonLogic.java

@Nonnull
public static String getModId(@Nonnull Object modInstance) {
    final Mod mod = modInstance.getClass().getAnnotation(Mod.class);

    if (mod == null || Strings.isNullOrEmpty(mod.modid()))
        throw new IllegalArgumentException();

    return mod.modid();
}

From source file:com.sojw.ahnchangho.core.util.UriUtils.java

/**
 * Of./*  w  w  w .  j  a  va 2 s. c  o  m*/
 *
 * @param url the url
 * @param pathVariables the path variables
 * @param queryParameters the query parameters
 * @return the uri
 */
public static URI of(String url, Map<String, String> pathVariables, Map<String, String> queryParameters) {
    if (Strings.isNullOrEmpty(url)) {
        return null;
    }

    return UriComponentsBuilder.fromHttpUrl(url).queryParams(multiValueMap(queryParameters))
            .buildAndExpand(pathVariables).encode().toUri();
}

From source file:com.epam.ta.reportportal.database.entity.user.UserRole.java

public static Optional<UserRole> findByAuthority(String name) {
    if (Strings.isNullOrEmpty(name)) {
        return Optional.empty();
    }/*  ww w  .  ja  v  a2  s  . c o m*/
    return findByName(StringUtils.substringAfter(name, ROLE_PREFIX));
}

From source file:com.cloudant.sync.sqlite.sqlite4java.QueryBuilder.java

public static String buildUpdateQuery(String table, ContentValues values, String whereClause,
        String[] whereArgs) {/* w  w w.  j  ava2 s  . c  om*/

    StringBuilder query = new StringBuilder(120);
    query.append("UPDATE ").append(table).append(" SET ");

    int i = 0;
    for (String colName : values.keySet()) {
        query.append((i > 0) ? "," : "");
        query.append(colName);
        query.append("=?");
        i++;
    }

    if (!Strings.isNullOrEmpty(whereClause)) {
        query.append(" WHERE ");
        query.append(whereClause);
    }

    return query.toString();
}

From source file:com.paladin.common.Tools.java

/**
 * //from  ww  w .  j  a  va  2  s. co m
 *
 * @param str ??
 * @return ???
 */
public static String compressBlank(String str) {
    str = str.trim();
    if (Strings.isNullOrEmpty(str))
        return "";
    StringBuilder str_bu = new StringBuilder();
    char[] str_arr = str.toCharArray();
    for (int i = 0; i < str_arr.length; i++) {
        if (!isBlank(str_arr[i]))
            str_bu.append(str_arr[i]);
        else if (isBlank(str_arr[i]) && i + 1 < str_arr.length && !isBlank(str_arr[i + 1]))
            str_bu.append((char) 32);
    }
    return str_bu.toString();
}

From source file:kungfu.concurrency.threaddump.ThreadUtil.java

public static String threadDump() {
    String threadDump = _getThreadDumpFromJstack();

    if (Strings.isNullOrEmpty(threadDump)) {
        threadDump = _getThreadDumpFromStackTrace();
    }/*  w ww . j ava  2 s.co  m*/

    return "\n\n".concat(threadDump);
}

From source file:com.cloudera.impala.extdatasource.ApiVersion.java

/**
 * Parses the API version from the string. Is case-insensitive.
 * @return The value of the ApiVersion enum represented by the string or null
 *         if the string is not a valid ApiVersion.
 *//*from  w w w.j ava  2  s. c  om*/
public static ApiVersion parseApiVersion(String apiVersionString) {
    if (Strings.isNullOrEmpty(apiVersionString))
        return null;
    try {
        return valueOf(apiVersionString.toUpperCase());
    } catch (IllegalArgumentException ex) {
        return null;
    }
}

From source file:com.microsoftopentechnologies.auth.jwt.JWTParser.java

/**
 * Absolutely basic, bare minimum implementation of JWT parsing as needed
 * for parsing the ID token returned by Azure Active Directory as
 * documented here - https://msdn.microsoft.com/en-us/library/azure/dn645542.aspx.
 *
 * @param jwtInput The ID token JWT string.
 * @return The JWT object representing the information encoded in the JWT.
 * @throws ParseException/*from  w  ww. j av  a  2s  . c  om*/
 */
public static JWT parse(String jwtInput) throws ParseException {
    if (Strings.isNullOrEmpty(jwtInput)) {
        throw new ParseException("jwt string is null/empty.", 0);
    }

    // split the period delimited string
    List<String> tokens = Splitter.on('.').omitEmptyStrings().splitToList(jwtInput);

    // the length of the list MUST be 2 or more
    if (tokens.size() < 2) {
        throw new ParseException("Invalid JWT string supplied.", 0);
    }

    // parse JWT header and claims
    JsonParser jsonParser = new JsonParser();
    JsonObject header = (JsonObject) jsonParser.parse(stringFromBase64(tokens.get(0)));
    JsonObject claims = (JsonObject) jsonParser.parse(new String(Base64.decodeBase64(tokens.get(1))));

    return JWT.parse(header, claims);
}