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91 lines
2.6 KiB
Java
91 lines
2.6 KiB
Java
import org.aspectj.testing.Tester;
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public class TryAndProceed {
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public static void main(String[] args) {
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new C().mNoThrows();
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Tester.checkEqual(C.buf.toString(), "beforeAll:aroundAll:mNoThrows:");
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C.buf = new StringBuffer();
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A.aspectOf().allowThrowingAround = true;
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try {
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new C().mThrowsCheckedExc();
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Tester.checkFailed("should have thrown RuntimeExc");
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} catch (CheckedExc ce) {
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Tester.checkFailed("should have thrown RuntimeExc not " + ce);
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} catch (RuntimeException re) {
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//System.out.println("caught " + re);
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}
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Tester.checkEqual(C.buf.toString(),
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"beforeAll:aroundCheckedNoThrow:aroundAll:aroundCheckedThrow:aroundCaughtCE:");
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C.buf = new StringBuffer();
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A.aspectOf().allowThrowingBefore = true;
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try {
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new C().mThrowsCheckedExc();
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Tester.checkFailed("should have thrown CheckedExc");
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} catch (CheckedExc ce) {
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//System.out.println("caught " + ce);
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} catch (RuntimeException re) {
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Tester.checkFailed("should have thrown CheckedExc not RuntimeExc");
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}
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Tester.checkEqual(C.buf.toString(), "beforeChecked:");
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}
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}
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class C {
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public static StringBuffer buf = new StringBuffer();
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public void mThrowsCheckedExc() throws CheckedExc {
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C.buf.append("mThrowsCheckedExc:");
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}
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public void mNoThrows() {
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C.buf.append("mNoThrows:");
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}
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}
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aspect A {
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pointcut checkedCut(): call(void C.mThrowsCheckedExc());
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pointcut uncheckedCut(): call(void C.mNoThrows());
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pointcut allCut(): checkedCut() || uncheckedCut();
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public static boolean allowThrowingBefore = false;
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public static boolean allowThrowingAround = false;
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before() throws CheckedExc: checkedCut() && if(allowThrowingBefore) {
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C.buf.append("beforeChecked:");
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throw new CheckedExc("from before");
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}
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before(): allCut() {
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C.buf.append("beforeAll:");
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}
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Object around(): checkedCut() {
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C.buf.append("aroundCheckedNoThrow:");
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return proceed();
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}
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Object around(): allCut() {
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C.buf.append("aroundAll:");
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try {
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return proceed();
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} catch (CheckedExc ce) {
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C.buf.append("aroundCaughtCE:");
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throw new RuntimeException("hand-softening CheckedExc");
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}
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}
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Object around() throws CheckedExc: checkedCut() && if(allowThrowingAround) {
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C.buf.append("aroundCheckedThrow:");
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throw new CheckedExc("from around");
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}
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}
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class CheckedExc extends Exception {
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public CheckedExc(String m) { super(m); }
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}
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