> There's also wicket.util.string.Strings#isEmpty
> (http://wicket.sourceforge.net/apidocs/wicket/util/string/Strings.html#isEmpty(java.lang.CharSequence)
> to consider...
Just FYI, what people from Apache does (matching Erik's optimization
proposal ;)... I guess wicket does the same.
[org.apache.commons.lang.StringUtils]
// Empty checks
//-----------------------------------------------------------------------
/**
* <p>Checks if a String is empty ("") or null.</p>
*
* <pre>
* StringUtils.isEmpty(null) = true
* StringUtils.isEmpty("") = true
* StringUtils.isEmpty(" ") = false
* StringUtils.isEmpty("bob") = false
* StringUtils.isEmpty(" bob ") = false
* </pre>
*
* <p>NOTE: This method changed in Lang version 2.0.
* It no longer trims the String.
* That functionality is available in isBlank().</p>
*
* @param str the String to check, may be null
* @return <code>true</code> if the String is empty or null
*/
public static boolean isEmpty(String str) {
return (str == null || str.length() == 0);
}
(http://www.koders.com/java/fidB29436EC634995BA0A41C5DC97C3F97F549D54B9.aspx?s=apache+%22StringUtils%22)
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