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

Introduction

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

Prototype

public static boolean isEmpty(String str)

Source Link

Document

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

Usage

From source file:de.fhg.iais.asc.sipmaker.SipMakerKey.java

public static SipMakerKey fromTrunk(String metadataFormat, List<String> subFormats) {
    if (StringUtils.isEmpty(metadataFormat)) {
        throw new IllegalArgumentException("Metadata format may not be empty");
    }//from  www .j a  va2 s .  co  m

    String current = metadataFormat;
    List<String> result = new ArrayList<String>();
    result.add(current);

    for (String dir : subFormats) {
        if (!StringUtils.isEmpty(dir)) {
            current = current.concat(File.separator).concat(dir);
            result.add(current);
        }
    }

    Collections.reverse(result);
    result = Collections.unmodifiableList(result);
    return new SipMakerKey(result, "");
}

From source file:acromusashi.stream.config.ConfigValidation.java

/**
 * ????<br>//from w  ww.ja va  2  s.com
 * ??:???????????????????
 *
 * @param value 
 * @return ???true?????false
 */
public static boolean isServerAddress(Object value) {
    //null?????
    if (value == null) {
        return false;
    }

    // String????
    if (String.class.isAssignableFrom(value.getClass()) == false) {
        return false;
    }

    // ?????
    String valueString = (String) value;
    if (StringUtils.isEmpty(valueString)) {
        return false;
    }

    // :????????
    String[] redisConfig = valueString.split(SERVER_ADDRESS_SEPARATER);
    if (redisConfig.length < 2) {
        return false;
    }

    // ???int???????
    try {
        Integer.valueOf(redisConfig[1]);
        return true;
    } catch (NumberFormatException ex) {
        return false;
    }
}

From source file:jp.co.nemuzuka.utils.BinaryHexConverter.java

/**
 * 16?Byte????/*from   w w  w  . ja  v  a 2 s .c  o  m*/
 * @param fromHexStr ??16
 * @return ??Byte?(??16?null????null)
 */
public static byte[] hexStringToBytes(String fromHexStr) {

    if (StringUtils.isEmpty(fromHexStr)) {
        return null;
    }

    //16??2?1??????
    //Byte???????????1/2??
    byte[] toByte = new byte[fromHexStr.length() / 2];

    //16?2??Byte???????
    for (int i = 0; i < toByte.length; i++) {
        toByte[i] = (byte) Integer.parseInt(fromHexStr.substring(i * 2, (i + 1) * 2), 16);
    }
    return toByte;
}

From source file:cn.loveapple.service.util.DateUtil.java

/**
 * ???/*from www .jav a2s .  co  m*/
 * 
 * @see SimpleDateFormat ???
 * @param source ?
 * @param pattern 
 * @return ????????<code>null</code>?????????
 */
public static Date paseDate(String source, String pattern) {
    if (StringUtils.isEmpty(source) || StringUtils.isEmpty(pattern)) {
        return null;
    }
    try {
        SimpleDateFormat format = new SimpleDateFormat(pattern);
        return format.parse(source);
    } catch (Exception e) {
        return null;
    }
}

From source file:com.intuit.tank.vm.common.util.ValidationUtil.java

/**
 * Is the string specified in the proper function format
 * //from w ww . j  a v a 2 s  .c  o m
 * @param function
 *            True if it starts with the function identifier; FALSE otherwise
 * @return
 */
public static boolean isFunction(String function) {
    if (StringUtils.isEmpty(function)) {
        return false;
    }
    if (function.startsWith(functionIdentifier)) {
        return true;
    }
    return false;
}

From source file:io.cloudslang.lang.compiler.modeller.transformers.DependencyFormatValidator.java

void validateDependency(String dependency) {
    String[] gavParts = dependency.split(":");
    if (gavParts.length != DEPENDENCY_PARTS || StringUtils.isEmpty(gavParts[0].trim())
            || StringUtils.isEmpty(gavParts[1].trim()) || StringUtils.isEmpty(gavParts[2].trim())) {
        throw new RuntimeException(INVALID_DEPENDENCY);
    }//  w  ww  .jav  a  2  s  .c om
}

From source file:com.pureinfo.srm.project.action.outlay.OutlayAssginDeleteAction.java

protected ActionForward beforeExecution() throws PureException {
    String sIds = request.getTrimedParameter(ArkWebConstants.REQ_OBJ_ID);
    if (StringUtils.isEmpty(sIds)) {
        logger.debug("the id is null.");
        return super.beforeExecution();
    }//  w  w w .ja  v a 2  s  . c o  m

    IOutlayAssginDetailMgr detailMgr = (IOutlayAssginDetailMgr) ArkContentHelper
            .getContentMgrOf(OutlayAssginDetail.class);
    String[] ids = sIds.split(",");

    for (int i = 0; i < ids.length; i++) {
        int id = StrConvertor.strToInt(ids[i], "id", 0);
        detailMgr.deleteByAssginId(id);

    }

    request.setAttribute("forward", "");
    return null;
}

From source file:edu.northwestern.bioinformatics.studycalendar.web.NewSiteCommand.java

public Site createSite() throws Exception {
    if (site.getAssignedIdentifier() == null || StringUtils.isEmpty(site.getAssignedIdentifier())) {
        site.setAssignedIdentifier(site.getName());
    }/*from   w  ww .ja v  a 2 s  . c  o  m*/
    return siteService.createOrUpdateSite(site);
}

From source file:com.devnexus.ting.web.converter.StringToSponsorLevel.java

@Override
public SponsorLevel convert(String source) {
    if (StringUtils.isEmpty(source) || !StringUtils.isNumeric(source)) {
        return null;
    } else {//from   w  w w  . ja  v  a2  s .  c om
        return SponsorLevel.fromId(Long.valueOf(source));
    }
}

From source file:net.shopxx.dao.impl.CouponCodeDaoImpl.java

public boolean codeExists(String code) {
    if (StringUtils.isEmpty(code)) {
        return false;
    }/*from   w ww.  j a  v  a  2 s . co  m*/
    String jpql = "select count(*) from CouponCode couponCode where lower(couponCode.code) = lower(:code)";
    Long count = entityManager.createQuery(jpql, Long.class).setParameter("code", code).getSingleResult();
    return count > 0;
}