Java Code Examples for com.google.common.reflect.ClassPath.ClassInfo#load()

/**
 * Gets the set of all non-abstract classes implementing the {@link Command} interface (abstract
 * class and interface subtypes of Command aren't expected to have cli commands). Note that this
 * also filters out HelpCommand and ShellCommand, which have special handling in {@link
 * RegistryCli} and aren't in the command map.
 *
 * @throws IOException if reading the classpath resources fails.
 */
@SuppressWarnings("unchecked")
private ImmutableSet<Class<? extends Command>> getAllCommandClasses() throws IOException {
  ImmutableSet.Builder<Class<? extends Command>> builder = new ImmutableSet.Builder<>();
  for (ClassInfo classInfo : ClassPath
      .from(getClass().getClassLoader())
      .getTopLevelClassesRecursive(getPackageName(getClass()))) {
    Class<?> clazz = classInfo.load();
    if (Command.class.isAssignableFrom(clazz)
        && !Modifier.isAbstract(clazz.getModifiers())
        && !Modifier.isInterface(clazz.getModifiers())
        && !clazz.equals(HelpCommand.class)
        && !clazz.equals(ShellCommand.class)) {
      builder.add((Class<? extends Command>) clazz);
    }
  }
  return builder.build();
}
 

public IWidgetTypesRegistry register(String packageName, ClassLoader classLoader) {
	ClassPath classPath;
	try {
		classPath = ClassPath.from(classLoader);
	} catch (IOException e) {
		throw new WicketRuntimeException("Can't scan classpath", e);
	}
	ImmutableSet<ClassInfo> classesInPackage = classPath.getTopLevelClassesRecursive(packageName);
	for (ClassInfo classInfo : classesInPackage) {
		Class<?> clazz = classInfo.load();
		Widget widgetDescription = clazz.getAnnotation(Widget.class);
		if (widgetDescription != null) {
			if (!AbstractWidget.class.isAssignableFrom(clazz))
				throw new WicketRuntimeException("@" + Widget.class.getSimpleName() + " should be only on widgets");
			Class<? extends AbstractWidget<Object>> widgetClass = (Class<? extends AbstractWidget<Object>>) clazz;
			register(widgetClass);
		}
	}
	return this;
}
 

@Test
void checkIllegalJUnit4Usage() throws IOException {
    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    List<String> errorMessages = new ArrayList<>();
    for (ClassInfo info : ClassPath.from(loader).getTopLevelClasses()) {
        if (info.getName().startsWith("com.sequenceiq.environment.") && info.getName().endsWith("Test")) {
            Class<?> clazz = info.load();
            checkRunWith(clazz, errorMessages);
            checkTestMethods(clazz, errorMessages);
            checkRuleFields(clazz, errorMessages);
        }
    }
    if (!errorMessages.isEmpty()) {
        throw new IllegalStateException(String.format("Found %d forbidden JUnit4-related annotations:%n%s",
                errorMessages.size(), String.join("\n", errorMessages)));
    }
}
 

@Before
public void before() throws IOException
{
	OkHttpClient okHttpClient = mock(OkHttpClient.class);
	when(okHttpClient.newCall(any(Request.class)))
		.thenThrow(new RuntimeException("in plugin manager test"));

	Injector injector = Guice.createInjector(Modules
		.override(new RuneLiteModule(okHttpClient, () -> null, true, false,
			RuneLite.DEFAULT_SESSION_FILE,
			RuneLite.DEFAULT_CONFIG_FILE))
		.with(BoundFieldModule.of(this)));

	RuneLite.setInjector(injector);

	// Find plugins and configs we expect to have
	pluginClasses = new HashSet<>();
	configClasses = new HashSet<>();
	Set<ClassInfo> classes = ClassPath.from(getClass().getClassLoader()).getTopLevelClassesRecursive(PLUGIN_PACKAGE);
	for (ClassInfo classInfo : classes)
	{
		Class<?> clazz = classInfo.load();
		PluginDescriptor pluginDescriptor = clazz.getAnnotation(PluginDescriptor.class);
		if (pluginDescriptor != null)
		{
			pluginClasses.add(clazz);
			continue;
		}

		if (Config.class.isAssignableFrom(clazz))
		{
			configClasses.add(clazz);
		}
	}
}
 

@SuppressWarnings("unchecked")
private static void initAnalizers() {

	ImmutableSet<ClassInfo> classInfos = null;
	try {
		classInfos = ClassPath.from(Analyzers.class.getClassLoader())
				.getTopLevelClassesRecursive(
						Analyzers.class.getPackage().getName());
		for (ClassInfo classInfo : classInfos) {
			Class<?> claz = classInfo.load();
			try {

				if (NodeAnalyzer.class.isAssignableFrom(claz)
						&& !claz.isInterface()
						&& !Modifier.isAbstract(claz.getModifiers())) {
					register((NodeAnalyzer<QueryTreeNode, AnalyzeResult>) claz
							.newInstance());
				}
			} catch (Exception e) {
				// TODO LOG Auto-generated catch block
				e.printStackTrace();
				System.out.println(claz);
			}
		}
	} catch (IOException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}

}
 

private static void loadGeneratedClasses(ClassLoader classLoader) throws IOException, ClassNotFoundException {
    ClassPath classPath = ClassPath.from(classLoader);

    ImmutableSet<ClassInfo> structures =
            classPath.getTopLevelClasses("com.digitalpetri.opcua.stack.core.types.structured");

    ImmutableSet<ClassInfo> enumerations =
            classPath.getTopLevelClasses("com.digitalpetri.opcua.stack.core.types.enumerated");

    for (ClassInfo classInfo : Sets.union(structures, enumerations)) {
        Class<?> clazz = classInfo.load();
        Class.forName(clazz.getName(), true, classLoader);
    }
}
 

@Test
public void allModelsSerializable() throws IOException, NoSuchFieldException, IllegalAccessException {
    final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    for (ClassInfo classInfo : from(contextClassLoader).getAllClasses()) {
        if (!classInfo.getPackageName().equals("com.github.dockerjava.api.model")) {
            continue;
        }

        if (classInfo.getName().endsWith("Test")) {
            continue;
        }

        final Class<?> aClass = classInfo.load();
        if (aClass.getProtectionDomain().getCodeSource().getLocation().getPath().endsWith("test-classes/")
                || aClass.isEnum()) {
            continue;
        }

        LOG.debug("Checking: {}", aClass);
        assertThat(aClass, typeCompatibleWith(Serializable.class));

        final Object serialVersionUID = FieldUtils.readDeclaredStaticField(aClass, "serialVersionUID", true);
        if (!excludeClasses.contains(aClass.getName())) {
            assertThat(serialVersionUID, instanceOf(Long.class));
            assertThat("Follow devel docs for " + aClass, (Long) serialVersionUID, is(1L));
        }
    }
}
 

private void mountOrUnmountPackage(String packageName, ClassLoader classLoader, boolean mount) {
	ClassPath classPath;
	try {
		classPath = ClassPath.from(classLoader);
	} catch (IOException e) {
		throw new WicketRuntimeException("Can't scan classpath", e);
	}
	
	for(ClassInfo classInfo : classPath.getTopLevelClassesRecursive(packageName)) {
		Class<?> clazz = classInfo.load();
		MountPath mountPath = clazz.getAnnotation(MountPath.class);
		if(mountPath!=null) {
			if(IRequestablePage.class.isAssignableFrom(clazz)) { 
				Class<? extends IRequestablePage> pageClass = (Class<? extends IRequestablePage>) clazz;
				forEachOnMountPath(mountPath, path -> {
									if(mount) {
										if ("/".equals(path)) {
											mount(new HomePageMapper(pageClass));
										}
										mount(new MountedMapper(path, pageClass));
									} else {
										unmount(path);
									}
								});
			} else if(IResource.class.isAssignableFrom(clazz)) {
				if(mount) {
					String resourceKey = clazz.getName();
					getSharedResources().add(resourceKey, (IResource) getServiceInstance(clazz));
					SharedResourceReference reference = new SharedResourceReference(resourceKey);
					forEachOnMountPath(mountPath, path -> mountResource(path, reference));
				} else {
					forEachOnMountPath(mountPath, this::unmount);
				}
			} else {
				throw new WicketRuntimeException("@"+MountPath.class.getSimpleName()+" should be only on pages or resources");
			}
		}
	}
}