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:acromusashi.stream.component.kestrel.spout.RestrictWatcher.java

/**
 * ??????/*ww  w .  j a  v a  2s.  c  o m*/
 * 
 * @param filePath ??
 */
public RestrictWatcher(String filePath) {
    if (StringUtils.isEmpty(filePath) == false) {
        this.targetFile = new File(filePath);
    }
}

From source file:com.flowlogix.ui.MinimizedHandler.java

@Override
public Resource createResource(String resourceName) {
    if (StringUtils.isEmpty(resourceName)) {
        return null;
    }//from  ww w  .  j  a  v  a  2s.  c  o  m
    return super.createResource(toMinimized(resourceName));
}

From source file:com.haulmont.cuba.gui.xml.layout.loaders.AbstractDatasourceComponentLoader.java

protected void loadDatasource(DatasourceComponent component, Element element) {
    final String datasource = element.attributeValue("datasource");
    if (!StringUtils.isEmpty(datasource)) {
        Datasource ds = context.getDsContext().get(datasource);
        if (ds == null) {
            throw new GuiDevelopmentException(String.format("Datasource '%s' is not defined", datasource),
                    getContext().getFullFrameId(), "Component ID", component.getId());
        }/* w w  w  . j av a  2 s .  co  m*/
        String property = element.attributeValue("property");
        if (StringUtils.isEmpty(property)) {
            throw new GuiDevelopmentException(
                    String.format("Can't set datasource '%s' for component '%s' because 'property' "
                            + "attribute is not defined", datasource, component.getId()),
                    context.getFullFrameId());
        }

        component.setDatasource(ds, property);
    }
}

From source file:jp.co.opentone.bsol.framework.core.util.ArgumentValidator.java

/**
 * ???????. ???IllegalArgumentException??.
 * @param arg/*ww w .j a v  a 2s.  c  o  m*/
 *            ?
 * @param name
 *            ????
 */
public static void validateNotEmpty(String arg, String name) {
    if (StringUtils.isEmpty(arg)) {
        String n = getName(name);
        throw new IllegalArgumentException(n + " must not be empty");
    }
}

From source file:gaffer.user.User.java

public User(final String userId) {
    this.userId = StringUtils.isEmpty(userId) ? UNKNOWN_USER_ID : userId;
}

From source file:bazaar4idea.ui.BzrGlobalStatusDialog.java

public void append(String text) {
    if (StringUtils.isEmpty(text)) {
        return;
    }
    outputTextArea.append(text);
}

From source file:com.clican.pluto.cms.ui.ext.converter.NumberConverter.java

public Object getAsObject(FacesContext context, UIComponent component, String value) {
    if (StringUtils.isEmpty(value)) {
        return null;
    } else {/*from  w  w  w .j  a  va2  s .c  o m*/
        try {
            return TypeUtils.stringToNumber(value, Class.forName(modelClass));
        } catch (Exception e) {
            log.error("", e);
        }
        return null;
    }
}

From source file:com.custardsource.maven.plugins.jmx.Invoke.java

@Override
public void validate() throws MojoExecutionException {
    if (StringUtils.isEmpty(objectName)) {
        throw new MojoExecutionException("objectName can't be empty");
    }//from  ww w.  ja v  a2  s  .c o  m

    if (StringUtils.isEmpty(operation)) {
        throw new MojoExecutionException("operation can't be empty");
    }

}

From source file:com.rogoman.easyauth.HMAC.java

/**
 * Calculates the HMAC digest value based on the provided parameters.
 *
 * @param msg       Message//  w  ww .  jav a2  s.  co m
 * @param keyString Key to be used in the hashing process
 * @param algorithm HMAC algorithm to be used
 * @return HMAC digest
 * @throws java.io.UnsupportedEncodingException   if UTF-8 or ASCII encoding is not available
 * @throws java.security.NoSuchAlgorithmException thrown when the passed digest algorithm name cannot be recognized
 * @throws java.security.InvalidKeyException      thrown when the passed secret key value is invalid according to the digest algorithm
 */
static String hmacDigest(final String msg, final String keyString, final String algorithm)
        throws UnsupportedEncodingException, InvalidKeyException, NoSuchAlgorithmException {
    if (msg == null) {
        throw new IllegalArgumentException("msg is empty");
    }
    if (keyString == null) {
        throw new IllegalArgumentException("keyString is empty");
    }
    if (StringUtils.isEmpty(algorithm)) {
        throw new IllegalArgumentException("algo is empty");
    }

    String digest = null;
    byte[] keyAsBytes = (keyString).getBytes("UTF-8");
    byte[] msgAsBytes = msg.getBytes("ASCII");

    byte[] byteResult = hmacDigest(msgAsBytes, keyAsBytes, algorithm);
    digest = convertToHexString(byteResult);
    return digest;
}

From source file:com.amazonaws.codepipeline.jenkinsplugin.AWSClientFactory.java

public AWSClients getAwsClient(final String awsAccessKey, final String awsSecretKey, final String proxyHost,
        final int proxyPort, final String region, final String pluginUserAgentPrefix) {

    final Region awsRegion = Region.getRegion(Regions.fromName(region));
    final AWSClients aws;

    if (StringUtils.isEmpty(awsAccessKey) && StringUtils.isEmpty(awsSecretKey)) {
        aws = AWSClients.fromDefaultCredentialChain(awsRegion, proxyHost, proxyPort, pluginUserAgentPrefix);
    } else {// w  ww.  j  a v a  2 s  .c  o m
        aws = AWSClients.fromBasicCredentials(awsRegion, awsAccessKey, awsSecretKey, proxyHost, proxyPort,
                pluginUserAgentPrefix);
    }

    return aws;
}