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

Introduction

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

Prototype

public static boolean isEmpty(final CharSequence cs)

Source Link

Document

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

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

NOTE: This method changed in Lang version 2.0.

Usage

From source file:com.netflix.spinnaker.halyard.config.validate.v1.security.FileRoleProviderValidator.java

@Override
public void validate(ConfigProblemSetBuilder p, FileRoleProvider provider) {
    if (StringUtils.isEmpty(provider.getPath())) {
        p.addProblem(Problem.Severity.ERROR, "No permission file path specified.");
    }/*from   ww  w. j ava  2 s  .  co m*/
}

From source file:com.willwinder.universalgcodesender.utils.GUIHelpers.java

/**
 * Displays an error message to the user.
 * @param errorMessage message to display in the dialog.
 * @param modal toggle whether the message should block or fire and forget.
 *//*  w  w w  .j  av  a2 s.  c om*/
public static void displayErrorDialog(final String errorMessage, boolean modal) {
    if (StringUtils.isEmpty(errorMessage)) {
        LOGGER.warning("Something tried to display an error message with an empty message: "
                + ExceptionUtils.getStackTrace(new Throwable()));
        return;
    }

    Runnable r = () -> {
        //JOptionPane.showMessageDialog(new JFrame(), errorMessage, 
        //        Localization.getString("error"), JOptionPane.ERROR_MESSAGE);
        NarrowOptionPane.showNarrowDialog(250, errorMessage.replaceAll("\\.\\.", "\\."),
                Localization.getString("error"), JOptionPane.DEFAULT_OPTION, JOptionPane.ERROR_MESSAGE);
    };

    if (modal) {
        r.run();
    } else {
        java.awt.EventQueue.invokeLater(r);
    }
}

From source file:de.hasait.genesis.base.util.GenesisUtils.java

public static String camelCaseToUpperUnderscore(final String pInput) {
    if (StringUtils.isEmpty(pInput)) {
        return pInput;
    }/*from  w w  w  .  j  av  a 2 s. c om*/

    final Pattern camelPattern = Pattern.compile("\\p{Lower}\\p{Upper}");
    final Matcher camelMatcher = camelPattern.matcher(pInput);

    final StringBuilder result = new StringBuilder();

    int current = 0;
    while (camelMatcher.find(current)) {
        final int split = camelMatcher.start() + 1;
        result.append(pInput.substring(current, split).toUpperCase());
        result.append('_');
        current = split;
    }
    result.append(pInput.substring(current).toUpperCase());

    return result.toString();
}

From source file:de.dominikschadow.javasecurity.csrf.CSRFTokenHandler.java

public static String getToken(HttpSession session)
        throws ServletException, NoSuchAlgorithmException, NoSuchProviderException {
    if (session == null) {
        throw new ServletException(MISSING_SESSION);
    }/*from ww  w .java 2  s .co m*/

    String token = (String) session.getAttribute(CSRF_TOKEN);

    if (StringUtils.isEmpty(token)) {
        token = getToken();
        session.setAttribute(CSRF_TOKEN, token);
    }

    return token;
}

From source file:alpine.util.UuidUtil.java

/**
 * Determines if the specified string is a valid UUID.
 * @param uuid the UUID to evaluate//  ww  w.  j  a v a  2 s .c  o m
 * @return true if UUID is valid, false if invalid
 * @since 1.0.0
 */
public static boolean isValidUUID(String uuid) {
    return !StringUtils.isEmpty(uuid) && UUID_PATTERN.matcher(uuid).matches();
}

From source file:com.assignmentone.handler.FormValidateHandler.java

@RequestHandler
public Object complete(String name, String age, String bloodtype) {
    String nameErrMsg = null;//  ww  w . jav a2s  . co m
    String ageErrMsg = null;
    if (StringUtils.isEmpty(name)) {
        nameErrMsg = "name is required.";
    }
    if (StringUtils.isEmpty(age)) {
        ageErrMsg = "age is required.";
    } else {
        try {
            Integer.valueOf(age);
        } catch (NumberFormatException e) {
            ageErrMsg = "age must be numeric value.";
        }
    }
    if (nameErrMsg == null && ageErrMsg == null) {
        return "/templates/form/confirm.html";
    } else {
        Map<String, Object> flashScopeData = new HashMap<>();
        flashScopeData.put("name", name);
        flashScopeData.put("age", age);
        flashScopeData.put("bloodtype", bloodtype);
        flashScopeData.put("nameErrMsg", nameErrMsg);
        flashScopeData.put("ageErrMsg", ageErrMsg);
        return new RedirectTargetProvider("/app/form/input", flashScopeData);
    }
}

From source file:de.micromata.genome.util.matcher.string.StringEmptyMatcher.java

@Override
public boolean matchString(String token) {
    return StringUtils.isEmpty(token);
}

From source file:com.webbfontaine.valuewebb.model.validators.HSCValidator.java

@Override
public boolean isValid(Object value) {
    String hsCode = (String) value;
    boolean isValid = false;

    if (StringUtils.isEmpty(hsCode)) {
        isValid = true;//  w  w w  . j a  va 2s  .  com
    } else {
        HSCFinder hscFinder = new HSCFinder(hsCode);

        if (invalids != null && Arrays.asList(invalids).contains(hsCode)) {
            isValid = false;
        } else {

            if (hsCode.length() == 10) {
                isValid = !hscFinder.findAll().isEmpty();
            } else {
                if (FacesContext.getCurrentInstance() != null
                        && ((String) Component.getInstance("currentPage", ScopeType.PAGE, true))
                                .contains("MarketResearch")) {
                    isValid = checkHSCodeForMP(hsCode);
                }
            }
        }
    }

    return isValid;
}

From source file:monasca.log.api.app.unload.JsonPayloadTransformer.java

@Override
public Log transform(final String from) {
    if (StringUtils.isEmpty(from)) {
        return new Log().setMessage("");
    }//  w  w w . j  ava2 s .  com
    return this.serializer.logFromJson(from.getBytes());
}

From source file:com.thoughtworks.go.validation.PipelineGroupValidator.java

public ValidationBean validate(String pipelineGroupName) {
    if (StringUtils.isEmpty(pipelineGroupName)) {
        return ValidationBean.valid();
    }/*from  w  w w  . j  a  v  a  2 s.  c  o m*/
    boolean valid = pipelineGroupName.matches(NAME_PATTERN);
    return valid ? ValidationBean.valid() : ValidationBean.notValid(ERRORR_MESSAGE);
}