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:com.devnexus.ting.web.converter.StringToPresentationType.java

@Override
public PresentationType convert(String source) {
    if (StringUtils.isEmpty(source) || !StringUtils.isNumeric(source)) {
        return null;
    } else {//from   w w  w  . j  ava 2 s. c  om
        return PresentationType.fromId(Long.valueOf(source));
    }
}

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

@Override
public TicketGroup convert(String source) {
    if (StringUtils.isEmpty(source) || !StringUtils.isNumeric(source)) {
        return null;
    } else {/*from w  ww  .  ja v  a2  s .  co m*/
        return TicketGroup.fromId(Long.valueOf(source));
    }
}

From source file:net.bulletin.pdi.xero.step.support.Helpers.java

/**
 * <p>If the value is provided then this method will augment the supplied URL by adding on the
 * query to the URL.</p>//from   w w  w  .ja  v  a 2 s  .  co m
 */

public static StringBuilder appendUrlQuery(StringBuilder url, String key, String value) {
    if (null == url || 0 == url.length()) {
        throw new IllegalArgumentException("the supplied url may not be empty.");
    }

    if (StringUtils.isEmpty(key)) {
        throw new IllegalArgumentException("the supplied query key may not be empty.");
    }

    if (StringUtils.isNotBlank(value)) {

        url.append(-1 == url.indexOf("?") ? '?' : '&');
        url.append(key);
        url.append("=");

        try {
            url.append(URLEncoder.encode(value, CharEncoding.UTF_8));
        } catch (UnsupportedEncodingException uee) {
            throw new IllegalStateException("the encoding must be supported; " + CharEncoding.UTF_8);
        }
    }

    return url;
}

From source file:com.bbva.arq.devops.ae.mirrorgate.jenkins.plugin.utils.CredentialsUtils.java

/**
 * Get the credentials identified by the given id from the Jenkins
 * credential store.//from  w  w w  .  jav a 2s .  c  o  m
 *
 * @param <T>
 * @param credentialsId The id for the credentials
 * @param credentialsClass The class of credentials to return
 * @return Jenkins credentials
 */
public static <T extends Credentials> T getJenkinsCredentials(final String credentialsId,
        final Class<T> credentialsClass) {

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

    return CredentialsMatchers
            .firstOrNull(
                    CredentialsProvider.lookupCredentials(credentialsClass, Jenkins.getInstance(), ACL.SYSTEM,
                            Collections.<DomainRequirement>emptyList()),
                    CredentialsMatchers.withId(credentialsId));
}

From source file:com.vmware.appfactory.recipe.RecipeMatch.java

/**
 * Compare a string value from a recipe key to a string value from an
 * application, and return what kind of a match that is.
 * @param keyValue/*from  w w  w.  ja  v  a 2 s . com*/
 * @param appValue
 * @return
 */
public static RecipeMatch match(String keyValue, String appValue) {
    if (StringUtils.isEmpty(keyValue) && StringUtils.isEmpty(appValue)) {
        /* Both empty: that's a precise match */
        return precise;
    } else if (StringUtils.isEmpty(keyValue) && StringUtils.isNotEmpty(appValue)) {
        /* Key is empty, value is not: that's a partial match */
        return partial;
    } else if (keyValue.equals(appValue)) {
        /* Both the same: that's a precise match */
        return precise;
    }

    return none;
}

From source file:fm.last.syscommand.SysCommandUtils.java

/**
 * Converts a command line string to a List of Strings that can be passed to a ProcessBuilder. Splits string by space
 * characters but allows whitespace if contained within single or double quotes or for whitespace to be escaped by
 * "\".//  ww w  . j  av  a 2 s  .c  om
 * 
 * @param commandString Command line string.
 * @return The commandString converted to a List of Strings.
 */
public static List<String> convertCommand(String commandString) {
    List<String> command = new ArrayList<String>();
    StringBuilder currentCommand = new StringBuilder();
    boolean insideSingleQuotes = false;
    boolean insideDoubleQuotes = false;
    for (int i = 0; i < commandString.length(); i++) {
        Character previousChar = null;
        if (i > 0) {
            previousChar = commandString.charAt(i - 1);
        }
        char currentChar = commandString.charAt(i);
        if (currentChar == ' ' && !insideSingleQuotes && !insideDoubleQuotes
                && (previousChar != null && previousChar != '\\')) {
            if (!StringUtils.isEmpty(currentCommand.toString())) {
                command.add(currentCommand.toString().trim());
                currentCommand = new StringBuilder();
                continue;
            }
        }
        if (currentChar == '\'') {
            insideSingleQuotes = !insideSingleQuotes;
        } else if (currentChar == '\"') {
            insideDoubleQuotes = !insideDoubleQuotes;
        }
        currentCommand.append(currentChar);
    }

    if (!StringUtils.isEmpty(currentCommand.toString())) {
        command.add(currentCommand.toString().trim());
    }

    return command;
}

From source file:net.bible.service.db.mynote.MyNoteDto.java

public boolean isEmpty() {
    return StringUtils.isEmpty(noteText);
}

From source file:edu.harvard.iq.dataverse.NavigationWrapper.java

public String getRedirectPage() {
    return !StringUtils.isEmpty(getPageFromContext()) ? "?redirectPage=" + getPageFromContext() : "";
}

From source file:com.haulmont.cuba.web.toolkit.ui.converters.SimpleStringToIntegerConverter.java

@Override
public Integer convertToModel(String value, Class<? extends Integer> targetType, Locale locale)
        throws ConversionException {
    if (StringUtils.isEmpty(value)) {
        return null;
    }/*from w w w.  java2 s . c  om*/
    try {
        return Integer.parseInt(value);
    } catch (NumberFormatException e) {
        throw new ConversionException(e);
    }
}

From source file:com.abiquo.server.core.util.network.IPAddress.java

/**
 * Checks the correct format of the ipAddress and returns empty string if is not correct.
 * //from   w  ww  .j  a  va 2 s. co m
 * @param ipAddress proposed ipAddress
 * @return IPAddress reference or null if it's not valid
 */
public static IPAddress newIPAddress(String ipAddress) {
    if (!StringUtils.isEmpty(ipAddress)) {
        Pattern p = Pattern.compile(IPADDRESS_PATTERN);
        Matcher m = p.matcher(ipAddress);
        boolean matches = m.matches();

        if (matches)
            return new IPAddress(ipAddress);
    }

    return null;
}