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.bfd.harpc.loadbalance.LoadBalancerFactory.java

/**
 * ?//from  w ww.  jav a2  s . c o  m
 * <p>
 * 
 * @param strategyName
 * @return {@link LoadBalancingStrategy}
 */
private static <K, T> LoadBalancingStrategy<K> createLoadBalancingStrategy(String strategyName,
        HeartBeatManager<T> heartBeatManager) {
    LoadBalancingStrategy<K> strategy = null;
    if (StringUtils.isEmpty(strategyName) || "round".equals(strategyName)) {
        strategy = new RoundRobinStrategy<K>();
    } else {
        strategy = new RandomStrategy<K>();
    }

    return strategy;
}

From source file:converters.StringToRentConverter.java

@Override
public Rent convert(String text) {
    Rent result;//from   w  ww  .j a v  a 2 s .co m
    int id;

    try {
        if (StringUtils.isEmpty(text))
            result = null;
        else {
            id = Integer.valueOf(text);
            result = RentRepository.findOne(id);
        }
    } catch (Throwable oops) {
        throw new IllegalArgumentException(oops);
    }

    return result;
}

From source file:gov.nih.nci.cabig.caaers.utils.pdf.MedwatchUtils.java

public static int possibleElements(NodeList nodes, int n, String commaSeperatedXPath) {

    if (nodes == null || nodes.getLength() == 0)
        return 1;
    String[] xpath = StringUtils.isEmpty(commaSeperatedXPath) ? new String[] { "." }
            : commaSeperatedXPath.split(",");
    int l = 0;//www  . j  av a2 s . c o m
    int k = 1;
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        for (int j = 0; j < xpath.length; j++) {
            String s = evalXPathsOnNode(node, xpath[j]);
            l += StringUtils.length(s);
        }
        if (l >= n)
            return k;

        k++;
    }

    return k;
}

From source file:com.cognifide.slice.cq.utils.PathUtils.java

public String getPagePathFromResourcePath(final String resourcePath) {
    if (StringUtils.isEmpty(resourcePath)) {
        return StringUtils.EMPTY;
    }/*  w  w  w . j  a v a  2 s.  c om*/

    int jcrContentPosition = resourcePath.lastIndexOf("/" + JcrConstants.JCR_CONTENT);
    if (0 > jcrContentPosition) {
        return resourcePath; // we are on page path
    }
    return resourcePath.substring(0, jcrContentPosition);
}

From source file:converters.StringToGroupConverter.java

@Override
public Group convert(String text) {
    Group result;//from   w w w.  j  av  a 2s . co m
    int id;

    try {
        if (StringUtils.isEmpty(text))
            result = null;
        else {
            id = Integer.valueOf(text);
            result = groupRepository.findOne(id);
        }
    } catch (Throwable oops) {
        throw new IllegalArgumentException(oops);
    }

    return result;
}

From source file:converters.StringToOwnerConverter.java

@Override
public Owner convert(String text) {
    Owner result;/*w  ww.  j  ava2  s .com*/
    int id;

    try {
        if (StringUtils.isEmpty(text))
            result = null;
        else {
            id = Integer.valueOf(text);
            result = ownerRepository.findOne(id);
        }
    } catch (Throwable oops) {
        throw new IllegalArgumentException(oops);
    }

    return result;
}

From source file:com.haulmont.cuba.desktop.sys.layout.MigLayoutHelper.java

public static CC getExpandConstraints(String width, String height, BoxLayoutAdapter.FlowDirection direction) {
    CC cc = new CC();

    if (direction == null || direction == BoxLayoutAdapter.FlowDirection.X
            && (StringUtils.isEmpty(height) || "-1px".equals(height) || height.endsWith("%"))) {
        applyWidth(cc, 100, Component.UNITS_PERCENTAGE, true);
    }// w w  w .j  a v a  2  s .c  o m
    if (direction == null || direction == BoxLayoutAdapter.FlowDirection.Y
            && (StringUtils.isEmpty(width) || "-1px".equals(width) || width.endsWith("%"))) {
        applyHeight(cc, 100, Component.UNITS_PERCENTAGE, true);
    }

    return cc;
}

From source file:eu.eidas.auth.commons.PropertiesLoader.java

/**
 * Loads the properties defined in an xml file with the format <//?xml version="1.0" encoding="UTF-8"
 * standalone="no"?> <//!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd"> <properties>
 * <comment>Comment</comment> <entry key="keyName">Some Value</entry> </properties>
 *
 * @param xmlFilePath the file path// ww  w  .  j  a v  a2 s . c  om
 * @return Object @Properties
 */
@Nonnull
public static Properties loadPropertiesXMLFile(@Nonnull String xmlFilePath) {
    Properties props;
    InputStream fileProperties = null;
    try {
        if (StringUtils.isEmpty(xmlFilePath) || !StringUtils.endsWith(xmlFilePath, "xml")) {
            throw new InternalErrorEIDASException(EidasErrorKey.INTERNAL_ERROR.errorCode(),
                    EidasErrorKey.INTERNAL_ERROR.errorMessage(), "Not valid file!");
        }
        props = new Properties();
        fileProperties = new FileInputStream(xmlFilePath);
        //load the xml file into properties format
        props.loadFromXML(fileProperties);
        return props;
    } catch (InternalErrorEIDASException e) {
        LOG.error("ERROR : " + e.getMessage());
        throw e;
    } catch (Exception e) {
        LOG.error("ERROR : " + e.getMessage());
        throw new InternalErrorEIDASException(EidasErrorKey.INTERNAL_ERROR.errorCode(),
                EidasErrorKey.INTERNAL_ERROR.errorMessage(), e);
    } finally {
        try {
            if (fileProperties != null) {
                fileProperties.close();
            }
        } catch (IOException ioe) {
            LOG.error("error closing the file: " + ioe, ioe);
        }
    }
}

From source file:jp.co.opentone.bsol.framework.core.extension.rome.feed.synd.ExtendedSyndEntryImpl.java

private static String removeInvalidChars(String s) {
    if (StringUtils.isEmpty(s)) {
        return s;
    }/*from   ww  w  . j  a v a 2  s. c  o  m*/
    return XMLUtil.removeInvalidChars(s);
}

From source file:com.mmj.app.web.tools.WebUserTools.java

public static String getImg() {
    return current() == null ? null
            : StringUtils.isEmpty(current().getImg()) ? "/images/image30.png" : current().getImg();
}