/** Adds a tag lib. */
public void addTaglib(Taglib taglib) {
checkXelModifiable();
if (taglib == null) throw new IllegalArgumentException("null");
if (_taglibs == null) _taglibs = new LinkedList<Taglib>();
_taglibs.add(taglib);
}
/**
* Adds an imported class to the expression factory.
*
* @since 3.0.0
*/
public void addExpressionImport(String nm, Class<?> cls) {
checkXelModifiable();
if (nm == null || cls == null) throw new IllegalArgumentException();
if (_expimps == null) _expimps = new HashMap<String, Class<?>>(4);
_expimps.put(nm, cls);
}
/**
* Sets the implementation of the expression factory that shall be used by this page.
*
* <p>Default: null (use the default).
*
* @param expfcls the implementation class, or null to use the default. Note: expfcls must
* implement {@link ExpressionFactory}. If null is specified, the class defined in {@link
* org.zkoss.zk.ui.util.Configuration#getExpressionFactoryClass}
* @exception IllegalArgumentException if expfcls does not implement ExpressionFactory
* @since 3.0.0
*/
@SuppressWarnings("unchecked")
public void setExpressionFactoryClass(Class<?> expfcls) {
checkXelModifiable();
if (expfcls != null && !ExpressionFactory.class.isAssignableFrom(expfcls))
throw new IllegalArgumentException(
ExpressionFactory.class + " must be implemented: " + expfcls);
_expfcls = (Class) expfcls;
}
/**
* Adds a XEL method.
*
* @param prefix the prefix of the method name
* @param name the method name. The final name is "prefix:name"
* @param func the function.
* @since 3.0.0
*/
public void addXelMethod(String prefix, String name, Function func) {
checkXelModifiable();
if (name == null || prefix == null || func == null) throw new IllegalArgumentException();
if (_xelfuncs == null) _xelfuncs = new LinkedList<FunctionDefinition>();
_xelfuncs.add(new FunctionDefinition(prefix, name, func));
}