final boolean[] calledDomainCombiner = new boolean[] { false, false };
class MyCombiner implements DomainCombiner {
int i;
MyCombiner(int i) {
this.i = i;
}
public ProtectionDomain[] combine(
ProtectionDomain[] executionDomains,
ProtectionDomain[] parentDomains) {
calledDomainCombiner[i] = true;
PermissionCollection pc = new Permissions();
pc.add(new AllPermission());
ProtectionDomain pd;
// if run with the system classloader then there will be no
// execution domains
if (executionDomains.length > 0) {
pd = new ProtectionDomain(executionDomains[0]
.getCodeSource(), pc);
} else {
pd = new ProtectionDomain(parentDomains[0].getCodeSource(),
pc);
}
return new ProtectionDomain[] { pd };
}
}
ProtectionDomain[] domains = new ProtectionDomain[] { new ProtectionDomain(
new CodeSource(null, (Certificate[]) null), new Permissions()) };
AccessControlContext parent = new AccessControlContext(domains);
AccessControlContext c0 = new AccessControlContext(parent,
new MyCombiner(0));
final AccessControlContext c1 = new AccessControlContext(parent,
new MyCombiner(1));
class TestPermission extends BasicPermission {
TestPermission(String s) {
super(s);
}
}
SecurityManager sm = new SecurityManager() {
public void checkPermission(Permission p) {
if( p instanceof TestPermission ) {
super.checkPermission(p);
}
}
};
sm.checkPermission(new SecurityPermission("let it load"));
System.setSecurityManager(sm);
try {
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
// AccessController.getContext();
AccessController.checkPermission(new TestPermission(
"MyTest"));
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
AccessController
.checkPermission(new TestPermission(
"MyTest"));
return null;
}
}, c1);
return null;
}
}, c0);
assertTrue("Failed to combine domains for security permission",
calledDomainCombiner[0]);
assertTrue("Failed to combine domains for security permission",
calledDomainCombiner[1]);
} finally {
System.setSecurityManager(null);
}