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feat: update to new API, slight generated code improvements

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zaaarf 2024-06-01 01:39:04 +02:00
parent 1cac528f23
commit ee55975f5d
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1 changed files with 50 additions and 23 deletions
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73
src/main/java/ftbsc/geb/processor/GEBProcessor.java
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@ -153,9 +153,8 @@ public class GEBProcessor extends AbstractProcessor {
listener.getEnclosingElement().getSimpleName().toString(), listener.getEnclosingElement().getSimpleName().toString(),
listener.getSimpleName().toString())); listener.getSimpleName().toString()));
if(!this.listenerMap.containsKey(event)) this.listenerMap.computeIfAbsent(event, k -> new HashSet<>())
this.listenerMap.put(event, new HashSet<>()); .add(new ListenerContainer(listener));
this.listenerMap.get(event).add(new ListenerContainer(listener));
} }
/** /**
@ -166,38 +165,66 @@ public class GEBProcessor extends AbstractProcessor {
TypeElement eventClass = (TypeElement) this.processingEnv.getTypeUtils().asElement(event); TypeElement eventClass = (TypeElement) this.processingEnv.getTypeUtils().asElement(event);
boolean cancelable = this.processingEnv.getTypeUtils().isAssignable(event, this.cancelableEventInterface); boolean cancelable = this.processingEnv.getTypeUtils().isAssignable(event, this.cancelableEventInterface);
//reorder the injectors to follow priority
List<ListenerContainer> ordered = listeners.stream().sorted(Comparator.comparingInt(
container -> container.annotation.priority()
)).collect(Collectors.toList());
ParameterSpec eventParam = ParameterSpec.builder(TypeName.get(this.eventInterface), "event").build(); ParameterSpec eventParam = ParameterSpec.builder(TypeName.get(this.eventInterface), "event").build();
ParameterSpec listenersParam = ParameterSpec.builder(ParameterizedTypeName.get( ParameterSpec listenersParam = ParameterSpec.builder(
ClassName.get("java.util", "Map"), ParameterizedTypeName.get( ParameterizedTypeName.get(
ClassName.get("java.lang", "Class"), ClassName.get("java.util", "Map"),
WildcardTypeName.subtypeOf(TypeName.get(this.listenerInterface))), ParameterizedTypeName.get(
ClassName.get(this.listenerInterface)), "listeners") ClassName.get("java.lang", "Class"),
.build(); WildcardTypeName.subtypeOf(TypeName.get(this.listenerInterface))
),
ParameterizedTypeName.get(
ClassName.get("java.util", "Set"),
ClassName.get(this.listenerInterface)
)
),
"listeners"
).build();
MethodSpec.Builder callListenersBuilder = MethodSpec.methodBuilder("callListeners") MethodSpec.Builder callListenersBuilder = MethodSpec.methodBuilder("callListeners")
.addModifiers(Modifier.PUBLIC) .addModifiers(Modifier.PUBLIC)
.addAnnotation(Override.class) .addAnnotation(Override.class)
.addAnnotation(AnnotationSpec.builder(SuppressWarnings.class) //because why not .addAnnotation(AnnotationSpec.builder(SuppressWarnings.class) // because why not
.addMember("value" , "{$S}", "unchecked").build()) .addMember("value" , "{$S}", "unchecked").build())
.addParameter(eventParam) .addParameter(eventParam)
.addParameter(listenersParam) .addParameter(listenersParam)
.returns(boolean.class); .returns(boolean.class);
int counter = 0; // reorder the injectors to follow priority
Map<TypeMirror, Integer> done = new HashMap<>();
List<ListenerContainer> ordered = listeners.stream().sorted(Comparator.comparingInt(
container -> container.annotation.priority()
)).collect(Collectors.toList());
// get all the relevant injectors
for(int i = 0; i < ordered.size(); i++) {
ListenerContainer listener = ordered.get(i);
if(!done.containsKey(listener.parent)) {
done.put(listener.parent, i);
String varName = String.format("listener%d", i);
callListenersBuilder.addStatement(
"java.util.Set<$T> $L = $N.get($T.class)",
this.listenerInterface,
varName,
listenersParam,
listener.parent
);
}
}
for(ListenerContainer listener : ordered) { for(ListenerContainer listener : ordered) {
String varName = String.format("listener%d", counter); String varName = String.format("listener%d", done.get(listener.parent));
callListenersBuilder callListenersBuilder
.addStatement("$T $L = $N.get($T.class)", this.listenerInterface, varName, listenersParam, listener.parent) .addStatement("for($T l : $L) {", this.listenerInterface, varName)
.addStatement("if($L.isActive()) (($T) $L).$L(($T) $N)", varName, listener.parent, varName, .addStatement(
listener.method.getSimpleName().toString(), event, eventParam); "if(l != null) (($T) l).$L(($T) $N); }",
listener.parent,
listener.method.getSimpleName().toString(),
event,
eventParam
);
if(cancelable) callListenersBuilder if(cancelable) callListenersBuilder
.addStatement("if((($T) $N).isCanceled()) return true", this.cancelableEventInterface, eventParam); .addStatement("if((($T) $N).isCanceled()) return false", this.cancelableEventInterface, eventParam);
counter++;
} }
callListenersBuilder.addStatement("return false"); callListenersBuilder.addStatement("return false");
@ -250,7 +277,7 @@ public class GEBProcessor extends AbstractProcessor {
} }
/** /**
* A container class to carry information about a listener method. * A container class to carry information about a listener class.
*/ */
private static class ListenerContainer { private static class ListenerContainer {
/** /**