org.apache.juneau.svl.vars.NotEmptyVar Maven / Gradle / Ivy
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package org.apache.juneau.svl.vars;
import org.apache.juneau.svl.*;
/**
* Upper-case variable resolver.
*
*
* The format for this var is "$NE{stringValue}" .
*
*
* This variable returns "true" if the contents are not empty.
*
*
* Since this is a {@link SimpleVar}, any variables contained in the result will be recursively resolved.
* Likewise, if the arguments contain any variables, those will be resolved before they are passed to this var.
*
*
See Also:
*
* - {@doc juneau-rest-server.SvlVariables}
*
*/
public class NotEmptyVar extends SimpleVar {
/** The name of this variable. */
public static final String NAME = "NE";
/**
* Constructor.
*/
public NotEmptyVar() {
super(NAME);
}
@Override /* Parameter */
public String resolve(VarResolverSession session, String key) {
return String.valueOf(! key.trim().isEmpty());
}
}