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.opensymphony.xwork2.config.ConfigurationUtil.java

/**
 * Splits the string into a list using a comma as the token separator.
 * @param parent The comma separated string.
 * @return A list of tokens from the specified string.
 *//*from w w  w .j  ava 2s.  com*/
public static List<String> buildParentListFromString(String parent) {
    if (StringUtils.isEmpty(parent)) {
        return Collections.emptyList();
    }

    StringTokenizer tokenizer = new StringTokenizer(parent, ",");
    List<String> parents = new ArrayList<>();

    while (tokenizer.hasMoreTokens()) {
        String parentName = tokenizer.nextToken().trim();

        if (StringUtils.isNotEmpty(parentName)) {
            parents.add(parentName);
        }
    }

    return parents;
}

From source file:com.zeroro.paypal.classic.ipn.IPNMessageParser.java

public IPNMessageParser(String ipnMessage) {

    nvp = new HashMap<>();

    if (!StringUtils.isEmpty(ipnMessage)) {
        String[] pairs = ipnMessage.split("&");
        for (String pair : pairs) {
            String[] keyValue = pair.split("=", 2); // match only the first =
            try {
                nvp.put(URLDecoder.decode(keyValue[0], "UTF-8"), URLDecoder.decode(keyValue[1], "UTF-8"));
            } catch (UnsupportedEncodingException e) { // will never happen as UTF-8 is supported
                logger.error("encoding ipn message error", e);
            }// w  w w  .  j a  v  a2  s .  com
        }
    }
}

From source file:com.ankang.report.main.ReportCabinet.java

public static Class matchModule(String serviceAlias) {
    if (StringUtils.isEmpty(serviceAlias)) {
        throw new ReportException("????");
    }/*from   w  w  w . jav a2 s  .  c  o  m*/
    ExecuteMethod em = matchExecuteMethod(serviceAlias);
    if (null == em) {
        throw new ReportException("???");
    }
    return em.getClazz();
}

From source file:info.archinnov.achilles.internals.codecs.ProtocolVersionCodec.java

@Override
public ProtocolVersion decode(String fromCassandra) throws AchillesTranscodingException {
    if (StringUtils.isEmpty(fromCassandra)) {
        return null;
    } else {//from  www .j av a 2s  .c  o  m
        return ProtocolVersion.valueOf(fromCassandra);
    }
}

From source file:ke.alphacba.cms.core.util.NoSessionIdUtils.java

public static BaseResp writeCookie(HttpSession session, HttpServletRequest request,
        HttpServletResponse response, String loginCookieName, String domain, int cookieTime) {
    BaseResp baseResp = new BaseResp();
    String jsessionId = (String) session.getAttribute("jsessionId");
    try {/*www .j ava 2 s  .c o m*/
        Cookie[] cookies = request.getCookies();
        if (cookies == null) {
            baseResp.setErrorNo(ErrorNoConstants.ERR_COM_ERRORINFO, "??");
            return baseResp;
        }
        boolean flag = false;
        boolean httpOnly = true;
        for (int i = 0; i < cookies.length; i++) {
            if (cookies[i].getName().equals(loginCookieName)) {
                if (StringUtils.isEmpty(cookies[i].getValue())) {
                    writeCookie(response, loginCookieName, domain, cookieTime, jsessionId, httpOnly);
                }
                flag = true;
            }
        }
        if (!flag) {
            writeCookie(response, loginCookieName, domain, cookieTime, jsessionId, httpOnly);
        }
    } catch (Exception e) {
        log.error("write cookie store error !", e);
    }
    return baseResp;
}

From source file:com.arcanix.php.phar.FilePharEntryProvider.java

public FilePharEntryProvider(final File file, final String localPath, final PharCompression pharCompression)
        throws FileNotFoundException {
    if (file == null) {
        throw new IllegalArgumentException("File cannot be null");
    }//from  www  .  j av  a 2 s .c o m
    if (!file.isFile()) {
        throw new IllegalArgumentException("File must be a valid file and cannot be a directory");
    }
    if (StringUtils.isEmpty(localPath)) {
        throw new IllegalArgumentException("Local path cannot be empty");
    }
    if (pharCompression == null) {
        throw new IllegalArgumentException("Phar compression cannot be null");
    }
    this.file = file;
    this.localPath = localPath;
    this.pharCompression = pharCompression;
}

From source file:com.thinkbiganalytics.policy.standardization.DefaultValueStandardizer.java

@Override
public String convertValue(String value) {
    return (StringUtils.isEmpty(value) ? defaultStr : value);
}

From source file:com.github.rvesse.airline.parser.resources.HomeDirectoryLocator.java

@Override
protected String resolve(String searchLocation) {
    // Apply parent resolve() first as this strips off any file:// prefix
    searchLocation = super.resolve(searchLocation);

    // Find the home directory since we will potentially use this to resolve
    // the special ~/ alias
    File homeDir;/*ww w .  ja v a2s. c om*/
    if (!StringUtils.isEmpty(System.getProperty("user.home"))) {
        homeDir = new File(System.getProperty("user.home"));
    } else {
        // Can't resolve as no home directory available
        return searchLocation;
    }

    // Expand ~/ or ~\ alias (platform dependent)
    if (searchLocation.startsWith("~" + File.separator)) {
        // Remember we need to ensure there is a separator between the home
        // directory and the rest of the path
        searchLocation = homeDir.getAbsolutePath()
                + searchLocation.substring(homeDir.getAbsolutePath().endsWith(File.separator) ? 2 : 1);
    }

    return searchLocation;
}

From source file:com.uimirror.core.framework.rest.auth.Token.java

public Token(String token, String paraphrase) {
    if (StringUtils.isEmpty(token)) {
        throw new IllegalArgumentException("AccessToken Can't be empty");
    }//from   w  w w.  ja v a 2s.  c om
    this.token = token;
    this.paraphrase = paraphrase;
}

From source file:com.webbfontaine.valuewebb.action.tt.TtLogger.java

/**
 * Adds new entry to log list of TT based on user entered message saved in 'log' variable
 *
 * @return empty string//from   w  w w.  ja  v  a 2  s . co m
 */
public String addUserLog() {
    TtGen ttGen = TtGenHome.getComponentInstance(false).getInstance();
    if (!StringUtils.isEmpty(ttGen.getLog())) {
        TtLog ttLog = new TtLog(new Date(), Actor.instance().getId(), null, ttGen.getLog(), CHAT_MESSAGE,
                ttGen);
        persistLog(ttLog);

        reloadLogs(ttLog);
        ttGen.setLog(null);
    }
    return "";
}