Examples of javax.security.auth.SubjectDomainCombiner$WeakKeyValueMap

javax.security.auth.SubjectDomainCombiner
A HashMap that has weak keys and values. Key objects in this map are the "current" ProtectionDomain instances received via the combine method. Each "current" PD is mapped to a new PD instance that holds both the contents of the "current" PD, as well as the principals from the Subject associated with this combiner. The newly created "principal-based" PD values must be stored as WeakReferences since they contain strong references to the corresponding key object (the "current" non-principal-based PD), which will prevent the key from being GC'd. Specifically, a "principal-based" PD contains strong references to the CodeSource, signer certs, PermissionCollection and ClassLoader objects in the "current PD".

                    acc = (AccessControlContext)
                            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                                public java.lang.Object run() throws Exception {
                                    return new AccessControlContext
                                            (new AccessControlContext(pdArray),
                                                    new SubjectDomainCombiner(s));
                                }
                            });
                } else {
                    acc = new AccessControlContext(pdArray);
                }

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                    acc = (AccessControlContext)
                            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                                public Object run() throws Exception {
                                    return new AccessControlContext
                                            (new AccessControlContext(pdArray),
                                                    new SubjectDomainCombiner(s));
                                }
                            });
                } else {
                    acc = new AccessControlContext(pdArray);
                }

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                    acc = (AccessControlContext)
                            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                                public Object run() throws Exception {
                                    return new AccessControlContext
                                            (new AccessControlContext(pdArray),
                                                    new SubjectDomainCombiner(s));
                                }
                            });
                } else {
                    acc = new AccessControlContext(pdArray);
                }

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            new Permissions());


        ProtectionDomain[] current = new ProtectionDomain[] {pd1, pd2};
        ProtectionDomain[] assigned = new ProtectionDomain[] {pd3, pd2};


        SubjectDomainCombiner sdc = new SubjectDomainCombiner(new Subject());
        ProtectionDomain[] combined = sdc.combine(current, assigned);


        // this depends on current SubjectDomainCombiner implementation
        // (ordering of returned domains)
        if (combined.length == 4 &&
            combined[0] != pd1 && combined[1] != pd2 &&

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                    acc = (AccessControlContext)
                            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                                public java.lang.Object run() throws Exception {
                                    return new AccessControlContext
                                            (new AccessControlContext(pdArray),
                                                    new SubjectDomainCombiner(s));
                                }
                            });
                } else {
                    acc = new AccessControlContext(pdArray);
                }

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        final TestPrivilegedExceptionAction pea1
                = new TestPrivilegedExceptionAction(perm1);
        Subject subj = new Subject();
        Principal prin = new FakePrincipal("DoPrivilegedExceptionTest");
        subj.getPrincipals().add(prin);
        SubjectDomainCombiner comb = new SubjectDomainCombiner(subj);
        AccessControlContext acc = new AccessControlContext(
                AccessController.getContext(), comb);
        obj = AccessController.doPrivileged(
                new PrivilegedExceptionAction() {
                    public Object run() throws Exception {

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