com.badlogic.gdx.utils.reflect.ClassReflection Java Examples

private Metadata findMetadata (Class<?> clazz) {
	Metadata metadata = metadataCache.get(clazz);
	if (metadata == null) {
		Annotation tca = ClassReflection.getAnnotation(clazz, TaskConstraint.class);
		if (tca != null) {
			TaskConstraint taskConstraint = tca.getAnnotation(TaskConstraint.class);
			ObjectMap<String, AttrInfo> taskAttributes = new ObjectMap<String, AttrInfo>();
			Field[] fields = ClassReflection.getFields(clazz);
			for (Field f : fields) {
				Annotation a = f.getDeclaredAnnotation(TaskAttribute.class);
				if (a != null) {
					AttrInfo ai = new AttrInfo(f.getName(), a.getAnnotation(TaskAttribute.class));
					taskAttributes.put(ai.name, ai);
				}
			}
			metadata = new Metadata(taskConstraint.minChildren(), taskConstraint.maxChildren(), taskAttributes);
			metadataCache.put(clazz, metadata);
		}
	}
	return metadata;
}
 

@SuppressWarnings("unchecked")
static List resolve(DataSnapshot dataSnapshot) {
    if (dataSnapshot.getValue() == null) {
        throw new IllegalStateException();
    }
    List result = new ArrayList<>();
    Iterable<DataSnapshot> dataSnapshots;
    if (ClassReflection.isAssignableFrom(Map.class, dataSnapshot.getValue().getClass())) {
        dataSnapshots = ((Map) dataSnapshot.getValue()).values();
    } else {
        dataSnapshots = dataSnapshot.getChildren();
    }
    for (Object o : dataSnapshots) {
        if (o instanceof DataSnapshot) {
            result.add(((DataSnapshot) o).getValue());
        } else {
            result.add(o);
        }
    }
    return result;
}
 

@Before
public void setUp() throws Exception {
    mockStatic(ClassReflection.class);
    mockStatic(DatabaseReference.class);
    mockStatic(ScriptRunner.class);
    mockStatic(GwtDataPromisesManager.class);
    PowerMockito.when(ScriptRunner.class, "firebaseScript", Mockito.any(Runnable.class)).then(new Answer<Object>() {
        @Override
        public Object answer(InvocationOnMock invocation) {
            ((Runnable) invocation.getArgument(0)).run();
            return null;
        }
    });
    databaseReference = PowerMockito.mock(DatabaseReference.class);
    PowerMockito.when(DatabaseReference.of(Mockito.anyString())).thenReturn(databaseReference);
    GdxFIRApp.setAutoSubscribePromises(false);
}
 

static <R> R process(Class<?> wantedType, String jsonString) {
    Json json = new Json();
    json.setIgnoreUnknownFields(true);
    json.setTypeName(null);
    R result = null;
    if (ClassReflection.isAssignableFrom(List.class, wantedType)
            || ClassReflection.isAssignableFrom(Map.class, wantedType)) {
        if (wantedType == List.class) {
            wantedType = ArrayList.class;
        } else if (wantedType == Map.class) {
            wantedType = HashMap.class;
        }
        json.setDefaultSerializer(new JsonListMapDeserializer(HashMap.class));
        result = (R) json.fromJson(wantedType, jsonString);
    } else {
        result = (R) json.fromJson(wantedType, jsonString);
    }
    return result;
}
 

public static Object getDefaultValue(Class type) {
    if (isFloatingPointNumberType(type)) {
        return 0.;
    } else if (isLongNumberType(type)) {
        return 0L;
    } else if (isBooleanType(type)) {
        return false;
    } else if (isStringType(type)) {
        return "";
    } else if (isCharType(type)) {
        return '\u0000';
    } else if (ClassReflection.isAssignableFrom(Map.class, type)) {
        return new HashMap<>();
    } else if (ClassReflection.isAssignableFrom(List.class, type)) {
        return new ArrayList<>();
    } else {
        try {
            return ClassReflection.newInstance(type);
        } catch (ReflectionException e) {
            GdxFIRLogger.error(CANT_FIND_DEFAULT_VALUE_FOR_GIVEN_TYPE);
            return null;
        }
    }
}
 

@Override
public void attachModuleToMyInput(AbstractModule module, int mySlot, int targetSlot) {
    addInputSlot(slotCount++);
    super.attachModuleToMyInput(module, mySlot, targetSlot);

    // let's figure out the type
    if(valueType == null) {
        valueType = module.getOutputSlot(targetSlot).getValue().getClass();
    } else {
        Class newValueType = module.getOutputSlot(targetSlot).getValue().getClass();
        if(valueType != newValueType) {
            // changing value detaching all previous values
            // detach code goes here
            valueType = newValueType;
        }
    }
    // re init all previous values
    try {
        for(Slot slot : getInputSlots().values()) {
            slot.setValue((Value) ClassReflection.newInstance(valueType));
        }
        getOutputSlot(0).setValue((Value) ClassReflection.newInstance(valueType));
    } catch (ReflectionException e) {
        e.printStackTrace();
    }
}
 

public ModuleWrapper createModule (Class<? extends AbstractModule> clazz, float x, float y) {
    final AbstractModule module;
    try {
        module = ClassReflection.newInstance(clazz);

        if (TalosMain.Instance().TalosProject().getCurrentModuleGraph().addModule(module)) {
            final ModuleWrapper moduleWrapper = createModuleWrapper(module, x, y);
            moduleWrapper.setModuleToDefaults();
            module.setModuleGraph(TalosMain.Instance().TalosProject().getCurrentModuleGraph());

            TalosMain.Instance().ProjectController().setDirty();

            return moduleWrapper;
        } else {
            System.out.println("Did not create module: " + clazz.getSimpleName());
            return null;
        }
    } catch (ReflectionException e) {
        throw new GdxRuntimeException(e);
    }
}
 

/**
 * Creates platform specific object by reflection.
 * <p>
 * Uses class names given by {@link #getAndroidClassName()} and {@link #getIOSClassName()}
 * <p>
 * If you need to run project on different platform use {@link #setMockObject(Object)} to polyfill platform object.
 *
 * @throws PlatformDistributorException Throws when something is wrong with environment
 */
@SuppressWarnings("unchecked")
protected PlatformDistributor() {
    String className = null;
    if (Gdx.app.getType() == Application.ApplicationType.Android) {
        className = getAndroidClassName();
    } else if (Gdx.app.getType() == Application.ApplicationType.iOS) {
        className = getIOSClassName();
    } else if (Gdx.app.getType() == Application.ApplicationType.WebGL) {
        className = getWebGLClassName();
    } else {
        return;
    }
    try {
        Class objClass = ClassReflection.forName(className);
        platformObject = (T) ClassReflection.getConstructor(objClass).newInstance();
    } catch (ReflectionException e) {
        throw new PlatformDistributorException("Something wrong with environment", e);
    }
}
 

@SuppressWarnings("unchecked")
Object doMitmConversion(Class<?> wantedType, Object data) {
    if (data == null) return null;
    // If client tell us to do map conversion and is not possible - throw exception.
    if (!isConversionPossible(data))
        throw new MapConversionNotPossibleException(CANT_DO_MAP_CONVERSION_FROM_TYPE + data.getClass().getName());
    // Check if Map is covered by data in some way, otherwise throw exception.
    if (ClassReflection.isAssignableFrom(Map.class, data.getClass())) {
        // First case - Map, do simple conversion.
        data = mapConverter.convert((Map) data, wantedType);
    } else if (ClassReflection.isAssignableFrom(List.class, data.getClass())) {
        // Second case - List, go through all elements and convert it to map.
        for (int i = ((List) data).size() - 1; i >= 0; i--) {
            Object element = ((List) data).get(i);
            if (element == null || !ClassReflection.isAssignableFrom(Map.class, element.getClass())) {
                GdxFIRLogger.log("@MapConversion: One of list value are not a Map - value was dropped. Element type: " + (element != null ? element.getClass() : "null"));
                ((List) data).remove(i);
            } else {
                ((List) data).set(i, mapConverter.convert((Map) element, wantedType));
            }
        }
    }
    return data;
}
 

@SuppressWarnings("unchecked")
static List resolve(FIRDataSnapshot dataSnapshot) {
    List result = new ArrayList<>();
    if (dataSnapshot.value() == null) {
        throw new IllegalStateException();
    }
    NSArray nsArray;
    if (ClassReflection.isAssignableFrom(NSArray.class, dataSnapshot.value().getClass())) {
        nsArray = dataSnapshot.children().allObjects();
    } else if (ClassReflection.isAssignableFrom(NSDictionary.class, dataSnapshot.value().getClass())) {
        nsArray = ((NSDictionary) dataSnapshot.value()).allValues();
    } else {
        throw new IllegalStateException();
    }
    for (Object object : nsArray) {
        if (object instanceof FIRDataSnapshot) {
            result.add(DataProcessor.iosDataToJava(((FIRDataSnapshot) object).value()));
        } else {
            result.add(DataProcessor.iosDataToJava(object));
        }
    }
    return result;
}
 

@Override
public void read(Json json, JsonValue jsonValue) {
    try {
        name = jsonValue.getString("name");
        optional = jsonValue.getBoolean("optional");
        if (jsonValue.get("value").isNumber()) {
            type = Float.TYPE;
            value = Double.parseDouble(jsonValue.getString("value"));
        } else {
            type = ClassReflection.forName(jsonValue.getString("type"));
            if (jsonValue.get("value").isNull()) {
                value = null;
            } else {
                value = jsonValue.getString("value");
            }
        }
    } catch (ReflectionException ex) {
        Gdx.app.error(getClass().toString(), "Error reading from serialized object" , ex);
        DialogFactory.showDialogErrorStatic("Read Error...","Error reading from serialized object.\n\nOpen log?");
    }
}
 

@Test
public void returnAndroidGDXFacebookWhenOnAndroid_core_support_v4_app_Fragment() {

    androidPremocking();

    when(ClassReflection.isAssignableFrom(Activity.class, mockObject.getClass())).thenReturn(false);

    try {
        when(ClassReflection.forName("android.support.v4.app.Fragment")).thenReturn(Fragment.class);
        when(ClassReflection.isAssignableFrom(Fragment.class, mockObject.getClass())).thenReturn(true);
        when(ClassReflection.getMethod(Fragment.class, "getActivity")).thenReturn(mockMethod);
        when(mockMethod.invoke(mockObject)).thenReturn(mockFacebook);

    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    androidPostmocking();

    facebook = GDXFacebookSystem.install(new GDXFacebookConfig());
    assertTrue(facebook instanceof AndroidGDXFacebook);
}
 

@Test
public void returnIOSGDXFacebookWhenOnIOS() {
    Application mockApplication = mock(Application.class);
    when(mockApplication.getType()).thenReturn(Application.ApplicationType.iOS);
    Gdx.app = mockApplication;

    try {
        Constructor mockConstructor = PowerMockito.mock(Constructor.class);
        GDXFacebook mockFacebook = mock(IOSGDXFacebook.class);

        when(ClassReflection.forName(GDXFacebookVars.CLASSNAME_IOS)).thenReturn(IOSGDXFacebook.class);
        when(ClassReflection.getConstructor(IOSGDXFacebook.class, GDXFacebookConfig.class)).thenReturn(mockConstructor);
        when(mockConstructor.newInstance(anyObject())).thenReturn(mockFacebook);

    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    facebook = GDXFacebookSystem.install(new GDXFacebookConfig());
    assertTrue(facebook instanceof IOSGDXFacebook);
}
 

public SimpleReturnScript compile (String javaString) {
	JavaSourceFromString file = new JavaSourceFromString("SimpleRunIm", javaString);
	DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
	DynamicClassesFileManager manager = new DynamicClassesFileManager(compiler.getStandardFileManager(null, null, null));

	Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
	JavaCompiler.CompilationTask task = compiler.getTask(null, manager, diagnostics, null, null, compilationUnits);

	boolean success = task.call();
	for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
		System.err.print(String.format("Script compilation error: Line: %d - %s%n", diagnostic.getLineNumber(), diagnostic.getMessage(null)));
	}
	if (success) {
		try {

			System.out.println("Compiled");
			Class clazz = manager.loader.findClass("SimpleRunIm");

			return (SimpleReturnScript)ClassReflection.newInstance(clazz);
		} catch (ReflectionException | ClassNotFoundException e) {
			e.printStackTrace();
		}
	}
	return null;
}
 

/** Clones this task to a new one. If you don't specify a clone strategy through {@link #TASK_CLONER} the new task is
 * instantiated via reflection and {@link #copyTo(Task)} is invoked.
 * @return the cloned task
 * @throws TaskCloneException if the task cannot be successfully cloned. */
@SuppressWarnings("unchecked")
public Task<E> cloneTask () {
	if (TASK_CLONER != null) {
		try {
			return TASK_CLONER.cloneTask(this);
		} catch (Throwable t) {
			throw new TaskCloneException(t);
		}
	}
	try {
		Task<E> clone = copyTo(ClassReflection.newInstance(this.getClass()));
		clone.guard = guard == null ? null : guard.cloneTask();
		return clone;
	} catch (ReflectionException e) {
		throw new TaskCloneException(e);
	}
}
 

/** Registers a listener for the specified message code. Messages without an explicit receiver are broadcasted to all its
 * registered listeners.
 * @param listener the listener to add
 * @param msg the message code */
public void addListener (Telegraph listener, int msg) {
	Array<Telegraph> listeners = msgListeners.get(msg);
	if (listeners == null) {
		// Associate an empty unordered array with the message code
		listeners = new Array<Telegraph>(false, 16);
		msgListeners.put(msg, listeners);
	}
	listeners.add(listener);

	// Dispatch messages from registered providers
	Array<TelegramProvider> providers = msgProviders.get(msg);
	if (providers != null) {
		for (int i = 0, n = providers.size; i < n; i++) {
			TelegramProvider provider = providers.get(i);
			Object info = provider.provideMessageInfo(msg, listener);
			if (info != null) {
				Telegraph sender = ClassReflection.isInstance(Telegraph.class, provider) ? (Telegraph)provider : null;
				dispatchMessage(0, sender, listener, msg, info, false);
			}
		}
	}
}
 

private void installHTMLGDXDialogs() {
	if (Gdx.app.getType() != ApplicationType.WebGL) {
		showDebugSkipInstall(ApplicationType.WebGL.name());
		return;
	}

	try {

		final Class<?> dialogManagerClazz = ClassReflection.forName("de.tomgrill.gdxdialogs.html.HTMLGDXDialogs");
		Object dialogManager = ClassReflection.getConstructor(dialogManagerClazz).newInstance();

		this.gdxDialogs = (GDXDialogs) dialogManager;
		showDebugInstallSuccessful(ApplicationType.WebGL.name());

	} catch (ReflectionException e) {
		showErrorInstall(ApplicationType.WebGL.name(), "html");
		e.printStackTrace();
	}

}
 

private void installDesktopGDXDialogs() {
	if (Gdx.app.getType() != ApplicationType.Desktop) {
		showDebugSkipInstall(ApplicationType.Desktop.name());
		return;
	}
	try {

		final Class<?> dialogManagerClazz = ClassReflection.forName("de.tomgrill.gdxdialogs.desktop.DesktopGDXDialogs");

		Object dialogManager = ClassReflection.getConstructor(dialogManagerClazz).newInstance();

		this.gdxDialogs = (GDXDialogs) dialogManager;

		showDebugInstallSuccessful(ApplicationType.Desktop.name());

	} catch (ReflectionException e) {
		showErrorInstall(ApplicationType.Desktop.name(), "desktop");
		e.printStackTrace();
	}

}
 

@Override
public <T> T newDialog(Class<T> cls) {
	String className = cls.getName();
	if (registeredDialogs.containsKey(className)) {

		try {
			final Class<T> dialogClazz = ClassReflection.forName(registeredDialogs.get(className));

			Object dialogObject = ClassReflection.getConstructor(dialogClazz, Activity.class).newInstance(activity);

			return dialogClazz.cast(dialogObject);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	throw new RuntimeException(cls.getName() + "is not registered.");
}
 

private static Collection<Throwable> addTo(CvarManager cvarManager, Class<?> clazz, Collection<Throwable> throwables) {
  for (Field field : ClassReflection.getFields(clazz)) {
    if (Cvar.class.isAssignableFrom(field.getType())) {
      try {
        cvarManager.add((Cvar) field.get(null));
      } catch (Throwable t) {
        throwables.add(t);
      }
    }
  }

  for (Class<?> subclass : clazz.getClasses()) {
    addTo(cvarManager, subclass, throwables);
  }

  return throwables;
}
 

private static Collection<Throwable> addTo(KeyMapper keyMapper, Class<?> clazz, Collection<Throwable> throwables) {
  for (Field field : ClassReflection.getFields(clazz)) {
    if (MappedKey.class.isAssignableFrom(field.getType())) {
      try {
        keyMapper.add((MappedKey) field.get(null));
      } catch (Throwable t) {
        throwables.add(t);
      }
    }
  }

  for (Class<?> subclass : clazz.getClasses()) {
    addTo(keyMapper, subclass, throwables);
  }

  return throwables;
}
 

@Test
public void returnHTMLGDXFacebookWhenOnWebGL() {
    Application mockApplication = mock(Application.class);
    when(mockApplication.getType()).thenReturn(Application.ApplicationType.WebGL);
    Gdx.app = mockApplication;

    try {
        Constructor mockConstructor = PowerMockito.mock(Constructor.class);
        GDXFacebook mockFacebook = mock(HTMLGDXFacebook.class);

        when(ClassReflection.forName(GDXFacebookVars.CLASSNAME_HTML)).thenReturn(HTMLGDXFacebook.class);
        when(ClassReflection.getConstructor(HTMLGDXFacebook.class, GDXFacebookConfig.class)).thenReturn(mockConstructor);
        when(mockConstructor.newInstance(anyObject())).thenReturn(mockFacebook);

    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    facebook = GDXFacebookSystem.install(new GDXFacebookConfig());
    assertTrue(facebook instanceof HTMLGDXFacebook);
}
 

@Test
public void returnDesktopGDXFacebookWhenOnDesktop() {
    Application mockApplication = mock(Application.class);
    when(mockApplication.getType()).thenReturn(Application.ApplicationType.Desktop);
    Gdx.app = mockApplication;

    try {
        Constructor mockConstructor = PowerMockito.mock(Constructor.class);
        GDXFacebook mockFacebook = mock(DesktopGDXFacebook.class);

        when(ClassReflection.forName(GDXFacebookVars.CLASSNAME_DESKTOP)).thenReturn(DesktopGDXFacebook.class);
        when(ClassReflection.getConstructor(DesktopGDXFacebook.class, GDXFacebookConfig.class)).thenReturn(mockConstructor);
        when(mockConstructor.newInstance(anyObject())).thenReturn(mockFacebook);

    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    facebook = GDXFacebookSystem.install(new GDXFacebookConfig());
    assertTrue(facebook instanceof DesktopGDXFacebook);
}
 

@Test
public void returnAndroidGDXFacebookWhenOnAndroid_core_app_Fragment() {

    androidPremocking();

    when(ClassReflection.isAssignableFrom(Activity.class, mockObject.getClass())).thenReturn(false);

    try {
        when(ClassReflection.forName("android.support.v4.app.Fragment")).thenReturn(null);
        when(ClassReflection.forName("android.app.Fragment")).thenReturn(android.app.Fragment.class);

        when(ClassReflection.isAssignableFrom(android.app.Fragment.class, mockObject.getClass())).thenReturn(true);
        when(ClassReflection.getMethod(android.app.Fragment.class, "getActivity")).thenReturn(mockMethod);
        when(mockMethod.invoke(mockObject)).thenReturn(mockFacebook);

    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    androidPostmocking();

    facebook = GDXFacebookSystem.install(new GDXFacebookConfig());
    assertTrue(facebook instanceof AndroidGDXFacebook);
}
 

public <T extends AbstractModule> ModuleWrapper createModuleWrapper (T module, float x, float y) {
    ModuleWrapper<T> moduleWrapper = null;

    if (module == null) return null;

    Class<T> moduleClazz = (Class<T>)module.getClass();

    try {
        moduleWrapper = ClassReflection.newInstance(WrapperRegistry.get(moduleClazz));
        int id = getUniqueIdForModuleWrapper();
        moduleWrapper.setModule(module);
        moduleWrapper.setId(id);
        module.setIndex(id);
        moduleWrapper.setBoard(this);

        tmp.set(x, Gdx.graphics.getHeight() - y);
        moduleContainer.screenToLocalCoordinates(tmp);

        moduleWrapper.setPosition(tmp.x - moduleWrapper.getWidth()/2f, tmp.y - moduleWrapper.getHeight()/2f);
        getModuleWrappers().add(moduleWrapper);
        moduleContainer.addActor(moduleWrapper);

        selectWrapper(moduleWrapper);
    } catch (ReflectionException e) {
        e.printStackTrace();
    }


    // check if there was connect request
    tryAndConnectLasCC(moduleWrapper);


    return moduleWrapper;
}
 

public static Action create(String tag, HashMap<String, String> params)
		throws ClassNotFoundException, ReflectionException {

	Action a = null;

	Class<?> c = tagToClass.get(tag);

	if (c == null) {
		c = Class.forName(tag, true, loader);
	}

	a = (Action) ClassReflection.newInstance(c);

	if (params != null) {

		for (String key : params.keySet()) {
			String value = params.get(key);

			try {
				ActionUtils.setParam(a, key, value);
			} catch (NoSuchFieldException | SecurityException | IllegalArgumentException
					| IllegalAccessException e) {
				EngineLogger.error("Error Setting Action Param - Action:" + tag + " Param: " + key + " Value: "
						+ value + " Msg: NOT FOUND " + e.getMessage());
			}
		}
	}

	return a;
}
 

public static Class forName( String name ){
	try {
		return ClassReflection.forName( name );
	} catch (ReflectionException e) {
		Game.reportException(e);
		return null;
	}
}
 

private void registerModule(XmlReader.Element module) {
    try {
        Class moduleClazz = ClassReflection.forName("com.talosvfx.talos.runtime.modules." + module.getText());
        Class wrapperClazz =ClassReflection.forName("com.talosvfx.talos.editor.wrappers." + module.getAttribute("wrapper"));
        WrapperRegistry.reg(moduleClazz, wrapperClazz);
        TalosMain.Instance().moduleNames.put(wrapperClazz, module.getAttribute("name"));
    } catch (ReflectionException e) {
        e.printStackTrace();
    }

    WrapperRegistry.reg(EmitterModule.class, EmitterModuleWrapper.class);
}
 

@Override
public void validate(Array<Object> arguments) {
    if (arguments.size < 2)
        throw new IllegalArgumentException(MESSAGE1);
    if (!(arguments.get(0) instanceof Class))
        throw new IllegalArgumentException(MESSAGE2);
    if (!(arguments.get(1) instanceof Function))
        throw new IllegalArgumentException(MESSAGE3);
    if (ClassReflection.isAssignableFrom(Number.class, (Class) arguments.get(0))
            && arguments.get(0) != Double.class
            && arguments.get(0) != Long.class
    ) {
        throw new IllegalArgumentException(NUMBER_TYPE_SHOULD_BE_LONG_OR_DOUBLE);
    }
}
 

private void installGdxReflections() {

		try {
			gdxClazz = ClassReflection.forName("com.badlogic.gdx.Gdx");
			gdxAppObject = ClassReflection.getField(gdxClazz, "app").get(null);

		} catch (ReflectionException e) {
			e.printStackTrace();
			throw new RuntimeException("No libGDX environment. \n");
		}

	}