Examples with HostAccess org.graalvm.polyglot.HostAccess used on opensource projects

Example 6 with HostAccess

use of org.graalvm.polyglot.HostAccess in project graal by oracle.

the class ExposeToGuestTest method testProxyMarked.

@SuppressWarnings("unchecked")
@Test
public void testProxyMarked() {
    HostAccess access = // 
    HostAccess.newBuilder().allowAccessAnnotatedBy(Export.class).allowImplementations(UnmarkedInterface.class).allowImplementations(UnmarkedFunctional.class).build();
    try (Context c = Context.newBuilder().allowHostAccess(access).build()) {
        c.initialize(ProxyLanguage.ID);
        Value v = c.asValue(new Impl());
        Value f = v.getMember("noArg");
        assertEquals("42", v.as(UnmarkedInterface.class).exported("42"));
        try {
            v.as(EmptyInterface.class);
            fail();
        } catch (ClassCastException e) {
        }
        try {
            v.as(MarkedInterface.class);
            fail();
        } catch (ClassCastException e) {
        }
        assertEquals(42, f.as(UnmarkedFunctional.class).f());
        try {
            f.as(MarkedFunctional.class);
            fail();
        } catch (ClassCastException e) {
        }
        assertEquals(42, f.as(Function.class).apply(null));
    }
}

Example 7 with HostAccess

use of org.graalvm.polyglot.HostAccess in project graal by oracle.

the class ExposeToGuestTest method doAccessForbiddenInManual.

private static void doAccessForbiddenInManual(boolean asList) throws Exception {
    HostAccess config = HostAccess.newBuilder().allowAccess(FooInterface.class.getMethod("foo", Number.class)).build();
    Context context = Context.newBuilder().allowHostAccess(config).build();
    Value readValue = context.eval("sl", "" + "function callFoo(x) {\n" + "  return x.foo(1)[0];\n" + "}\n" + "function main() {\n" + "  return callFoo;\n" + "}\n");
    boolean[] gotIn = { false };
    FooInterface<Number> foo = returnAsArrayOrList(gotIn, asList);
    final Value arrayRead;
    try {
        arrayRead = readValue.execute(foo);
    } catch (Exception ex) {
        assertEquals("Expecting an exception", PolyglotException.class, ex.getClass());
        Assert.assertTrue("Foo lamda called", gotIn[0]);
        return;
    }
    fail("The read shouldn't succeed: " + arrayRead);
}

Example 8 with HostAccess

use of org.graalvm.polyglot.HostAccess in project graal by oracle.

the class ExposeToGuestTest method testAdapterNoDefaultConstructor.

@Test
public void testAdapterNoDefaultConstructor() {
    HostAccess access = HostAccess.newBuilder().allowAccessAnnotatedBy(Export.class).allowImplementations(NoDefaultConstructor.class).build();
    try (Context c = Context.newBuilder().allowHostAccess(access).build()) {
        c.initialize(ProxyLanguage.ID);
        Value v = c.asValue(new Impl());
        try {
            v.as(NoDefaultConstructor.class);
            fail();
        } catch (ClassCastException e) {
            assertThat(e.getMessage(), containsString("Unsupported target type"));
        }
    }
}

Example 9 with HostAccess

use of org.graalvm.polyglot.HostAccess in project graal by oracle.

the class ExposeToGuestTest method testProxyNone.

@SuppressWarnings("unchecked")
@Test
public void testProxyNone() {
    HostAccess access = HostAccess.newBuilder().allowAccessAnnotatedBy(Export.class).build();
    try (Context c = Context.newBuilder().allowHostAccess(access).build()) {
        c.initialize(ProxyLanguage.ID);
        Value v = c.asValue(new Impl());
        Value f = v.getMember("exported");
        try {
            v.as(MarkedInterface.class);
            fail();
        } catch (ClassCastException e) {
        }
        try {
            v.as(EmptyInterface.class);
            fail();
        } catch (ClassCastException e) {
        }
        try {
            v.as(UnmarkedInterface.class);
            fail();
        } catch (ClassCastException e) {
        }
        try {
            f.as(MarkedFunctional.class);
            fail();
        } catch (ClassCastException e) {
        }
        try {
            f.as(UnmarkedFunctional.class);
            fail();
        } catch (ClassCastException e) {
        }
        assertEquals("42", f.as(Function.class).apply("42"));
    }
}

Example 10 with HostAccess

use of org.graalvm.polyglot.HostAccess in project graal by oracle.

the class SLHostClassLoadingTest method testSLHostClassLoading.

@Test
public void testSLHostClassLoading() throws IOException {
    HostAccess accessPolicy = HostAccess.newBuilder(HostAccess.ALL).build();
    try (Context context = Context.newBuilder().allowIO(true).allowHostAccess(accessPolicy).allowHostClassLookup(cls -> true).allowHostClassLoading(true).build()) {
        final Class<?> hostClass = HostClassLoadingTestClass1.class;
        Path tempDir = renameHostClass(hostClass, TEST_REPLACE_CLASS_NAME);
        Path jar = createJar(tempDir);
        assertHostClassPath(context, hostClass, jar);
        Files.deleteIfExists(jar);
        deleteDir(tempDir);
    }
}