Method importClass

java/jakarta/el/ImportHandler.java:378–392

Imports a class so it can be referenced by its simple name in EL expressions. The argument must be a fully qualified class name. If the simple name conflicts with a previously imported class, an exception is thrown. @param name the fully qualified class name to import @throws ELException if the cl

(String name)

     * @throws ELException if the class name is invalid or conflicts with an existing import
     */
    public void importClass(String name) throws ELException {
        int lastPeriodIndex = name.lastIndexOf('.');

        if (lastPeriodIndex < 0) {
            throw new ELException(Util.message(null, "importHandler.invalidClassName", name));
        }

        String unqualifiedName = name.substring(lastPeriodIndex + 1);
        String currentName = classNames.putIfAbsent(unqualifiedName, name);

        if (currentName != null && !currentName.equals(name)) {
            // Conflict. Same unqualifiedName, different fully qualified names
            throw new ELException(Util.message(null, "importHandler.ambiguousImport", name, currentName));
        }
    }


    /**