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package libraries;
/** @author Wes Isberg */
public class PointcutLibraryTest {
public static void main(String[] a) {
new Test().run();
}
}
class Test {
public Test() {}
public void run(){ prun(); }
private void prun() {
System.out.println("Test.prun()");
}
}
// START-SAMPLE library-classPointcutLibrary Defining library pointcuts in a class
/** private default implementation of library */
class PrivatePointcutLibrary {
pointcut adviceCflow() : cflow(adviceexecution());
pointcut publicCalls() : call(public * *(..))
&& !adviceCflow()
;
}
/** public interface for library */
class PointcutLibrary extends PrivatePointcutLibrary {
}
// ---- different clients of the library
/** client by external reference to library */
aspect ExternalClientOfLibrary {
before() : PointcutLibrary.publicCalls() {
System.out.println("XCL: "
+ thisJoinPointStaticPart);
}
}
/** use library by inheriting scope in aspect */
aspect AEL extends PointcutLibrary {
before() : publicCalls() {
System.out.println("AEL: "
+ thisJoinPointStaticPart);
}
}
/** use library by inheriting scope in class */
class CEL extends PointcutLibrary {
static aspect A {
before() : publicCalls() {
System.out.println("CEL: "
+ thisJoinPointStaticPart);
}
}
}
/** more clients by inheritance */
aspect CELSubAspect extends CEL {
before() : publicCalls() {
System.out.println("CSA: "
+ thisJoinPointStaticPart);
}
}
// ---- redefining library pointcuts
//-- affect all clients of PointcutLibrary
// test: XCL advises Test()
class VendorPointcutLibrary extends PrivatePointcutLibrary {
/** add calls to public constructors */
pointcut publicCalls() : PrivatePointcutLibrary.publicCalls()
|| (call(public new(..)) && !adviceCflow());
static aspect A {
declare parents:
PointcutLibrary extends VendorPointcutLibrary;
}
}
//-- only affect CEL, subtypes, & references thereto
// test: CSA does not advise call(* println(String))
// test: CSA advises call(* prun())
class CPlus extends PointcutLibrary {
/** add calls to private methods, remove calls to java..* */
pointcut publicCalls() : (PointcutLibrary.publicCalls()
|| (call(private * *(..)) && !adviceCflow()))
&& (!(call(* java..*.*(..)) || call(java..*.new(..))));
static aspect A {
declare parents: CEL extends CPlus;
}
}
// END-SAMPLE library-classPointcutLibrary
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