package act.event.meta;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import act.Act;
import act.app.App;
import act.app.event.AppEventId;
import act.inject.DependencyInjector;
import org.osgl.$;
import org.osgl.inject.BeanSpec;
import org.osgl.util.C;
import org.osgl.util.E;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
public class SimpleEventListenerMetaInfo {
private List<Object> events;
private List<$.Func0> delayedEvents;
private String className;
private String methodName;
private String asyncMethodName;
private List<BeanSpec> paramTypes;
private boolean async;
private boolean isStatic;
private boolean beforeAppStart;
public SimpleEventListenerMetaInfo(
final List<Object> events,
final List<$.Func0> delayedEvents,
final String className,
final String methodName,
final String asyncMethodName,
final List<String> paramTypes,
boolean async,
boolean isStatic,
boolean beforeAppStart,
App app
) {
int eventCnt = null == events ? 0 : events.size();
int delayedEventCnt = null == delayedEvents ? 0 : delayedEvents.size();
E.illegalArgumentIf(eventCnt == 0 && delayedEventCnt == 0);
E.illegalArgumentIf(eventCnt > 0 & delayedEventCnt > 0);
this.events = events;
this.delayedEvents = delayedEvents;
this.className = $.notNull(className);
this.methodName = $.notNull(methodName);
this.asyncMethodName = asyncMethodName;
this.async = async;
this.isStatic = isStatic;
this.beforeAppStart = beforeAppStart;
AppEventId hookOn = beforeAppStart ? AppEventId.DEPENDENCY_INJECTOR_LOADED : AppEventId.DEPENDENCY_INJECTOR_PROVISIONED;
app.jobManager().on(hookOn, new Runnable() {
@Override
public void run() {
SimpleEventListenerMetaInfo.this.paramTypes = convert(paramTypes, className, methodName, $.<Method>var());
}
});
}
public List<?> events() {
if (!delayedEvents.isEmpty()) {
List list = new ArrayList();
for ($.Func0 func : delayedEvents) {
list.add(func.apply());
}
return list;
}
return events;
}
public String className() {
return className;
}
public String methodName() {
return methodName;
}
public String asyncMethodName() {
return asyncMethodName;
}
public List<BeanSpec> paramTypes() {
return paramTypes;
}
public boolean isAsync() {
return async;
}
public boolean isStatic() {
return isStatic;
}
public boolean beforeAppStart() {
return beforeAppStart;
}
public static List<BeanSpec> convert(List<String> paramTypes, String className, String methodName, $.Var<Method> methodHolder) {
int sz = paramTypes.size();
App app = Act.app();
ClassLoader cl = app.classLoader();
Class c = $.classForName(className, cl);
Class[] paramClasses = new Class[sz];
int i = 0;
for (String s : paramTypes) {
paramClasses[i++] = $.classForName(s, cl);
}
Method method = $.getMethod(c, methodName, paramClasses);
method.setAccessible(true);
methodHolder.set(method);
if (0 == sz) {
return C.list();
}
List<BeanSpec> retVal = new ArrayList<>(sz);
Type[] types = method.getGenericParameterTypes();
Annotation[][] annotations = method.getParameterAnnotations();
DependencyInjector injector = app.injector();
for (i = 0; i < types.length; ++i) {
retVal.add(BeanSpec.of(types[i], annotations[i], null, injector));
}
return C.list(retVal);
}
}