@GroovyASTTransformation(phase = CompilePhase.CANONICALIZATION) @SuppressWarnings('ParameterCount') class ListenerListASTTransformation extends Object
Handles generation of code for the @ListenerList annotation.
Generally, it adds the needed add<Listener>, remove<Listener> and get<Listener>s methods to support the Java Beans API.
Additionally it adds corresponding fire<Event> methods.
| Type Params | Return Type | Name and description |
|---|---|---|
|
void |
addAddListener(SourceUnit source, AnnotationNode node, ClassNode declaringClass, FieldNode field, ClassNode listener, String name, def synchronize)Adds the add<Listener> method like:
synchronized void add${name.capitalize}(${listener.name} listener) {
if (listener == null)
return
if (${field.name} == null)
${field.name} = []
${field.name}.add(listener)
}
|
|
void |
addFireMethods(SourceUnit source, AnnotationNode node, ClassNode declaringClass, FieldNode field, GenericsType[] types, boolean synchronize, MethodNode method)Adds the fire<Event> methods like:
void fire${fireMethod.capitalize()}(${parameterList.join(', ')}) {
if (${field.name} ! |
|
void |
addGetListeners(SourceUnit source, AnnotationNode node, ClassNode declaringClass, FieldNode field, ClassNode listener, String name, def synchronize)Adds the get<Listener>s method like:
synchronized ${name.capitalize}[] get${name.capitalize}s() {
def __result = []
if (${field.name} ! |
|
void |
addRemoveListener(SourceUnit source, AnnotationNode node, ClassNode declaringClass, FieldNode field, ClassNode listener, String name, def synchronize)Adds the remove<Listener> method like:
synchronized void remove${name.capitalize}(${listener.name} listener) {
if (listener == null)
return
if (${field.name} == null)
${field.name} = []
${field.name}.remove(listener)
}
|
|
void |
visit(ASTNode[] nodes, SourceUnit source) |
Adds the add<Listener> method like:
synchronized void add${name.capitalize}(${listener.name} listener) {
if (listener == null)
return
if (${field.name} == null)
${field.name} = []
${field.name}.add(listener)
}
Adds the fire<Event> methods like:
void fire${fireMethod.capitalize()}(${parameterList.join(', ')}) {
if (${field.name} != null) {
def __list = new ArrayList(${field.name})
for (listener in __list) {
listener.$eventMethod(${evt})
}
}
}
Adds the get<Listener>s method like:
synchronized ${name.capitalize}[] get${name.capitalize}s() {
def __result = []
if (${field.name} != null)
__result.addAll(${field.name})
return __result as ${name.capitalize}[]
}
Adds the remove<Listener> method like:
synchronized void remove${name.capitalize}(${listener.name} listener) {
if (listener == null)
return
if (${field.name} == null)
${field.name} = []
${field.name}.remove(listener)
}