@Override
public boolean matches(Method method, Class<?> targetClass, boolean beanHasIntroductions) {
checkReadyToMatch();
Method targetMethod = AopUtils.getMostSpecificMethod(method, targetClass);
ShadowMatch shadowMatch = getShadowMatch(targetMethod, method);
// Special handling for this, target, @this, @target, @annotation
// in Spring - we can optimize since we know we have exactly this class,
// and there will never be matching subclass at runtime.
if (shadowMatch.alwaysMatches()) {
return true;
} else if (shadowMatch.neverMatches()) {
return false;
} else {
// the maybe case
if (beanHasIntroductions) {
return true;
}
// A match test returned maybe - if there are any subtype sensitive variables
// involved in the test (this, target, at_this, at_target, at_annotation) then
// we say this is not a match as in Spring there will never be a different
// runtime subtype.
RuntimeTestWalker walker = getRuntimeTestWalker(shadowMatch);
return (!walker.testsSubtypeSensitiveVars()
|| walker.testTargetInstanceOfResidue(targetClass));
}
}
@Override
public boolean matches(Class<?> targetClass) {
checkReadyToMatch();
try {
try {
return this.pointcutExpression.couldMatchJoinPointsInType(targetClass);
} catch (ReflectionWorldException ex) {
logger.debug(
"PointcutExpression matching rejected target class - trying fallback expression", ex);
// Actually this is still a "maybe" - treat the pointcut as dynamic if we don't know enough
// yet
PointcutExpression fallbackExpression = getFallbackPointcutExpression(targetClass);
if (fallbackExpression != null) {
return fallbackExpression.couldMatchJoinPointsInType(targetClass);
}
}
} catch (BCException ex) {
logger.debug("PointcutExpression matching rejected target class", ex);
}
return false;
}
@Override
public boolean matches(Method method, Class<?> targetClass, Object[] args) {
checkReadyToMatch();
ShadowMatch shadowMatch =
getShadowMatch(AopUtils.getMostSpecificMethod(method, targetClass), method);
ShadowMatch originalShadowMatch = getShadowMatch(method, method);
// Bind Spring AOP proxy to AspectJ "this" and Spring AOP target to AspectJ target,
// consistent with return of MethodInvocationProceedingJoinPoint
ProxyMethodInvocation pmi = null;
Object targetObject = null;
Object thisObject = null;
try {
MethodInvocation mi = ExposeInvocationInterceptor.currentInvocation();
targetObject = mi.getThis();
if (!(mi instanceof ProxyMethodInvocation)) {
throw new IllegalStateException(
"MethodInvocation is not a Spring ProxyMethodInvocation: " + mi);
}
pmi = (ProxyMethodInvocation) mi;
thisObject = pmi.getProxy();
} catch (IllegalStateException ex) {
// No current invocation...
// TODO: Should we really proceed here?
if (logger.isDebugEnabled()) {
logger.debug("Could not access current invocation - matching with limited context: " + ex);
}
}
try {
JoinPointMatch joinPointMatch = shadowMatch.matchesJoinPoint(thisObject, targetObject, args);
/*
* Do a final check to see if any this(TYPE) kind of residue match. For
* this purpose, we use the original method's (proxy method's) shadow to
* ensure that 'this' is correctly checked against. Without this check,
* we get incorrect match on this(TYPE) where TYPE matches the target
* type but not 'this' (as would be the case of JDK dynamic proxies).
* <p>See SPR-2979 for the original bug.
*/
if (pmi != null) { // there is a current invocation
RuntimeTestWalker originalMethodResidueTest = getRuntimeTestWalker(originalShadowMatch);
if (!originalMethodResidueTest.testThisInstanceOfResidue(thisObject.getClass())) {
return false;
}
if (joinPointMatch.matches()) {
bindParameters(pmi, joinPointMatch);
}
}
return joinPointMatch.matches();
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"Failed to evaluate join point for arguments "
+ Arrays.asList(args)
+ " - falling back to non-match",
ex);
}
return false;
}
}
@Override
public boolean isRuntime() {
checkReadyToMatch();
return this.pointcutExpression.mayNeedDynamicTest();
}
/** Return the underlying AspectJ pointcut expression. */
public PointcutExpression getPointcutExpression() {
checkReadyToMatch();
return this.pointcutExpression;
}
@Override
public MethodMatcher getMethodMatcher() {
checkReadyToMatch();
return this;
}
@Override
public ClassFilter getClassFilter() {
checkReadyToMatch();
return this;
}