package com.temp.shared.validators;

import org.litesoft.core.util.externalization.*;

import com.temp.shared.*;

public class RequiredValueValidator implements ValueValidator {
    public static final String TEMPLATE_ID_CODE = "Required";

    public static final ValueValidator INSTANCE = new RequiredValueValidator();

    private RequiredValueValidator() {
    }

    @Override
    public E13nData checkValue( Object value ) {
        if ( value != null ) {
            if ( !(value instanceof String) || (((String) value).trim().length() != 0) ) {
                return null; // !null && (!String || String ! Empty)
            }
        }
        return new E13nData( TEMPLATE_ID_CODE );
    }
}