Examples with ModuleDescriptor java.lang.module.ModuleDescriptor used on opensource projects

Example 21 with ModuleDescriptor

use of java.lang.module.ModuleDescriptor in project openj9 by eclipse.

the class MyLoader method dumpModules.

private void dumpModules() {
    HashSet<Option> opts = new HashSet<>(Arrays.asList(new Option[] { Option.RETAIN_CLASS_REFERENCE, Option.SHOW_HIDDEN_FRAMES, Option.SHOW_REFLECT_FRAMES }));
    List<StackFrame> frameList = (StackWalker.getInstance(opts)).walk(s -> s.collect(Collectors.toList()));
    for (StackFrame f : frameList) {
        Module frameModule = f.getDeclaringClass().getModule();
        if ((null != frameModule)) {
            ModuleDescriptor d = frameModule.getDescriptor();
            if (null != d) {
                StackTraceElement e = f.toStackTraceElement();
                String modName = d.name();
                String expectedName = e.getModuleName();
                if (null != modName) {
                    assertEquals(modName, expectedName, "Wrong module name");
                }
                Optional<Version> modVersion = d.version();
                if (modVersion.isPresent()) {
                    String actualVersion = modVersion.get().toString();
                    String expectedVersion = e.getModuleVersion();
                    assertEquals(actualVersion, expectedVersion, "Wrong module version");
                }
                if (f.getDeclaringClass() == Thread.class) {
                    assertEquals("java.base", expectedName, "Wrong module name");
                }
            }
        }
    }
}