org.ehoffman.aop.context.internal.IoCContextAdvice Maven / Gradle / Ivy
/*
* Copyright © 2016, Rex Hoffman
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* modification, are permitted provided that the following conditions are met:
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* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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package org.ehoffman.aop.context.internal;
import java.util.ArrayList;
import java.util.List;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.ehoffman.advised.ContextAwareMethodInvocation;
import org.ehoffman.advised.ObjectFactory;
import org.ehoffman.aop.context.IoCContext;
public class IoCContextAdvice implements MethodInterceptor {
@Override
public Object invoke(MethodInvocation invocation) throws Throwable {
if (ContextAwareMethodInvocation.class.isAssignableFrom(invocation.getClass())) {
ContextAwareMethodInvocation cinvocation = ((ContextAwareMethodInvocation) invocation);
ObjectFactory objectFactory =
new SpringContextObjectFactory(sanitize(((IoCContext) cinvocation.getTargetAnnotation()).classes()));
cinvocation.registerObjectFactory(objectFactory);
return invocation.proceed();
} else {
throw new IllegalStateException(
"This MethodInterceptor must be passed an instance of " + ContextAwareMethodInvocation.class.getName());
}
}
private List> sanitize(Class... classes) throws ClassNotFoundException {
List> output = new ArrayList<>();
for (Class clazz : classes) {
output.add(Thread.currentThread().getContextClassLoader().loadClass(clazz.getName()));
}
return output;
}
}