Example usage for org.apache.commons.lang3 StringUtils isBlank

Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils isBlank.

Prototype

public static boolean isBlank(final CharSequence cs)

Source Link

Document

Checks if a CharSequence is whitespace, empty ("") or null.

 StringUtils.isBlank(null)      = true StringUtils.isBlank("")        = true StringUtils.isBlank(" ")       = true StringUtils.isBlank("bob")     = false StringUtils.isBlank("  bob  ") = false

Usage

From source file:com.nike.cerberus.validation.UniqueOwnerValidator.java

public boolean isValid(SafeDepositBox safeDepositBox, ConstraintValidatorContext context) {
    if (StringUtils.isBlank(safeDepositBox.getOwner()) || safeDepositBox.getUserGroupPermissions() == null
            || safeDepositBox.getUserGroupPermissions().isEmpty()) {
        return true;
    }//  ww  w  . j a va 2s  . c  o  m

    final Set<String> userGroupNameSet = new HashSet<>();
    for (UserGroupPermission userGroupPermission : safeDepositBox.getUserGroupPermissions()) {
        userGroupNameSet.add(userGroupPermission.getName());
    }

    return !userGroupNameSet.contains(safeDepositBox.getOwner());
}

From source file:com.github.britter.beanvalidators.strings.AlphaNumericConstraintValidator.java

@Override
public boolean isValid(final String value, final ConstraintValidatorContext context) {
    // Don't validate null, empty and blank strings, since these are validated by @NotNull, @NotEmpty and @NotBlank
    return StringUtils.isBlank(value) || allowSpaces ? StringUtils.isAlphanumericSpace(value)
            : StringUtils.isAlphanumeric(value);
}

From source file:alluxio.security.authorization.ModeParser.java

/**
 * Parses the given value as a mode.//from w  w  w.ja  va 2s . co  m
 * @param value Value
 * @return Mode
 */
public Mode parse(String value) {
    if (StringUtils.isBlank(value)) {
        throw new IllegalArgumentException(ExceptionMessage.INVALID_MODE.getMessage(value));
    }

    try {
        return parseNumeric(value);
    } catch (NumberFormatException e) {
        // Treat as symbolic
        return parseSymbolic(value);
    }
}

From source file:com.threewks.thundr.view.jsonp.JsonpView.java

private void applyDefaults() {
    if (StringUtils.isBlank(getContentType())) {
        withContentType(MimeTypes.MIME_APPLICATION_JAVASCRIPT);
    }//from  w  w w.j  a  va 2s .c  om
    if (StringUtils.isBlank(getCharacterEncoding())) {
        withCharacterEncoding(StringPool.UTF_8);
    }
    if (getStatusCode() == null) {
        withStatusCode(HttpServletResponse.SC_OK);
    }
}

From source file:com.tdclighthouse.prototype.utils.TdcUtils.java

public static String getContextPath(HstRequest request) {
    String contextPath = request.getRequestContext().getVirtualHost().getVirtualHosts().getDefaultContextPath();
    boolean contextPathInUrl = request.getRequestContext().getResolvedMount().getMount().isContextPathInUrl();
    if (StringUtils.isBlank(contextPath)) {
        contextPath = request.getContextPath();
    }//w  w w .j  a v a2 s .c  o  m
    return contextPathInUrl ? contextPath : "";
}

From source file:de.micromata.tpsb.doc.parser.japa.handler.AddCommentMethodCallHandler.java

@Override
public void handle(MethodCallExpr node, ParserContext ctx) {
    List<Expression> methodArgs = node.getArgs();
    if (methodArgs == null || methodArgs.size() != 1) {
        return;//from   w  w  w . java 2s  .co  m
    }
    String comment = methodArgs.iterator().next().toString();
    if (StringUtils.isBlank(comment) == true) {
        return;
    }

    if (comment.startsWith(QUOTE) == true) {
        comment = StringUtils.removeStart(comment, QUOTE);
    }

    if (comment.endsWith(QUOTE) == true) {
        comment = StringUtils.removeEnd(comment, QUOTE);
    }

    ctx.setCurrentInlineComment(comment);
}

From source file:controllers.user.OAuthApp.java

/**
 * ?//  w  ww.  j  a v  a  2 s.  c  o  m
 */
public static Result requestAuth(String provider, String referer, String type) {
    ClientType clientType = MobileUtil.isMobileUrlPrefix(request().path()) ? ClientType.MOBILE : ClientType.WEB;
    if (StringUtils.isBlank(referer)) {
        referer = "/";
    }

    try {
        if (!OAuth2Service.checkProviderName(provider) || !ProviderType.validateType(provider, type)) {
            return getResult(ResultType.ILLEGAL_PARAM, clientType, referer);
        }

        if (ProviderType.isNeedLogin(type) && !UserAuthService.isLogin(session())) {
            return getResult(ResultType.NOT_LOGIN, clientType, referer);
        }

        OAuthRequestInfo authRequestInfo = new OAuthRequestInfo();
        authRequestInfo.setReferer(referer);
        authRequestInfo.setClientType(clientType);
        authRequestInfo.setType(type);
        String specialParamKey = null;
        if (ClientType.MOBILE == clientType) {
            authRequestInfo.setFrom(MobileUtil.getFromByUrl(request().path()));
            specialParamKey = "mobileDisplay";
        } else {
            authRequestInfo.setFrom("web");
        }
        return redirect(
                OAuth2Service.getRequestAuthURI(provider, type, authRequestInfo.toMap(), specialParamKey));
    } catch (Exception e) {
        LOGGER.error("fail to requestAuth.", e);
        return getResult(ResultType.AUTH_FAIL, clientType, referer);
    }
}

From source file:io.cloudslang.content.utils.NumberUtilities.java

/**
 * Given a long integer string, it checks if it's a valid long integer (based on apaches NumberUtils.createLong)
 *
 * @param longStr the long integer string to check
 * @return true if it's valid, otherwise false
 */// w ww. j av  a 2  s.c  o m
public static boolean isValidLong(@Nullable final String longStr) {
    if (StringUtils.isBlank(longStr)) {
        return false;
    }
    final String stripedLong = StringUtils.strip(longStr);
    try {
        NumberUtils.createLong(stripedLong);
        return true;
    } catch (NumberFormatException e) {
        return false;
    }
}

From source file:com.netsteadfast.greenstep.action.utils.EmailFieldCheckUtils.java

@Override
public boolean check(String value) throws ControllerException {
    if (StringUtils.isBlank(value)) {
        return true;
    }/*from   w  w w.j  a v  a 2 s .  c om*/
    String tmp[] = value.split(Constants.ID_DELIMITER);
    if (tmp == null || tmp.length < 1) {
        return true;
    }
    //EmailValidator emailValidator = EmailValidator.getInstance();
    boolean f = true;
    for (int i = 0; f && i < tmp.length; i++) {
        //f = emailValidator.isValid(tmp[i]);
        f = (!tmp[i].endsWith("@") && (tmp[i].indexOf("@") > 0));
    }
    return f;
}

From source file:com.adguard.commons.utils.ReservedDomains.java

/**
 * Initializes/*  w w w . j a va2 s.co m*/
 */
private static synchronized void initialize() {
    try {
        if (reservedDomainNames != null) {
            // Double check
            return;
        }

        LOG.info("Initialize ReservedDomains object");
        InputStream inputStream = ReservedDomains.class.getResourceAsStream("/effective_tld_names.dat");
        InputStreamReader reader = new InputStreamReader(inputStream);
        BufferedReader bufferedReader = new BufferedReader(reader);

        List<String> domains = new ArrayList<>();
        String line;

        while ((line = bufferedReader.readLine()) != null) {
            line = line.trim();

            if (!StringUtils.isBlank(line)) {
                domains.add(line);
            }
        }

        reservedDomainNames = new String[domains.size()];
        domains.toArray(reservedDomainNames);
        Arrays.sort(reservedDomainNames);

        LOG.info("ReservedDomains object has been initialized");
    } catch (Exception ex) {
        throw new RuntimeException("Cannot initialize reserved domains collection", ex);
    }
}