8177530: Module system implementation refresh (4/2017)
Reviewed-by: mchung, alanb
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com
/*
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
import java.lang.reflect.Method;
public class TestMain {
public static void main(String[] args) throws Exception {
ModuleLayer boot = ModuleLayer.boot();
Module m1 = boot.findModule("m1").get();
Module m2 = boot.findModule("m2").get();
// find exported and non-exported class from a named module
findClass(m1, "p1.A");
findClass(m1, "p1.internal.B");
findClass(m2, "p2.C");
// find class from unnamed module
ClassLoader loader = TestMain.class.getClassLoader();
findClass(loader.getUnnamedModule(), "TestDriver");
// check if clinit should not be initialized
// compile without module-path; so use reflection
Class<?> c = Class.forName(m1, "p1.Initializer");
Method m = c.getMethod("isInited");
Boolean isClinited = (Boolean) m.invoke(null);
if (isClinited.booleanValue()) {
throw new RuntimeException("clinit should not be invoked");
}
}
static Class<?> findClass(Module module, String cn) {
Class<?> c = Class.forName(module, cn);
if (c == null) {
throw new RuntimeException(cn + " not found in " + module);
}
if (c.getModule() != module) {
throw new RuntimeException(c.getModule() + " != " + module);
}
return c;
}
}