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

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);
	}
}
 

private static void appendFieldString (StringBuilder sb, Task<?> task, TaskAttribute ann, Field field) {
	// prefer name from annotation if there is one
	String name = ann.name();
	if (name == null || name.length() == 0) name = field.getName();
	Object value;
	try {
		field.setAccessible(true);
		value = field.get(task);
	} catch (ReflectionException e) {
		Gdx.app.error("", "Failed to get field", e);
		return;
	}
	sb.append(name).append(":");
	Class<?> fieldType = field.getType();
	if (fieldType.isEnum() || fieldType == String.class) {
		sb.append('\"').append(value).append('\"');
	} else if (Distribution.class.isAssignableFrom(fieldType)) {
		sb.append('\"').append(DAs.toString((Distribution)value)).append('\"');
	} else
		sb.append(value);
}
 

public static Action create(String name, HashMap<String, String> params) {
	Class<?> c = actions.get(name);
	
	if(c == null) {
		// Search in custom actions
		c = getCustomActionByName(name);
	}

	if (c == null) {
		EditorLogger.error("Action with name '" + name + "' not found.");

		return null;
	}

	try {
		return ActionFactory.create(c.getName(), params);
	} catch (ClassNotFoundException | ReflectionException e) {
		EditorLogger.error("Action with name '" + name + "' not found.");

		return null;
	}
}
 

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();
	}

}
 

@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 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);
}
 

@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);
}
 

@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);
}
 

@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?");
    }
}
 

/**
 * 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);
    }
}
 

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);
    }
}
 

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

/**
 * Creates a new {@link Component}. To use that method your components must have a visible no-arg constructor
 */
public <T extends Component> T createComponent (Class<T> componentType) {
	try {
		return ClassReflection.newInstance(componentType);
	} catch (ReflectionException e) {
		return null;
	}
}
 

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

public static <T> T newInstance( Class<T> cls ){
	try {
		return ClassReflection.newInstance(cls);
	} catch (ReflectionException e) {
		Game.reportException(e);
		return null;
	}
}
 

void addImport (String alias, String task) {
	if (task == null) throw new GdxRuntimeException("import: missing task class name.");
	if (alias == null) {
		Class<?> clazz = null;
		try {
			clazz = ClassReflection.forName(task);
		} catch (ReflectionException e) {
			throw new GdxRuntimeException("import: class not found '" + task + "'");
		}
		alias = clazz.getSimpleName();
	}
	String className = getImport(alias);
	if (className != null) throw new GdxRuntimeException("import: alias '" + alias + "' previously defined already.");
	userImports.put(alias, task);
}
 

private void setField (Field field, Task<E> task, Object value) {
	field.setAccessible(true);
	Object valueObject = castValue(field, value);
	if (valueObject == null) throwAttributeTypeException(getCurrentTask().name, field.getName(), field.getType().getSimpleName());
	try {
		field.set(task, valueObject);
	} catch (ReflectionException e) {
		throw new GdxRuntimeException(e);
	}
}
 

private Field getField (Class<?> clazz, String name) {
	try {
		return ClassReflection.getField(clazz, name);
	} catch (ReflectionException e) {
		throw new GdxRuntimeException(e);
	}
}
 

/** Injects actors from group into target's fields annotated with {@link InjectActor} using reflection. */
public static void injectActorFields(Object target, Group group) {
    Class<?> handledClass = target.getClass();
    while (handledClass != null && !handledClass.equals(Object.class)) {
        for (final Field field : ClassReflection.getDeclaredFields(handledClass)) {
            if (field != null && field.isAnnotationPresent(InjectActor.class)) {
                try {
                    InjectActor annotation = field.getDeclaredAnnotation(InjectActor.class).getAnnotation(InjectActor.class);
                    String actorName = annotation.value();
                    if (actorName.length() == 0) {
                        actorName = field.getName();
                    }
                    Actor actor = group.findActor(actorName);
                    if (actor == null && actorName.equals(group.getName())) {
                        actor = group;
                    }
                    if (actor == null) {
                        Gdx.app.error(TAG_INJECT_FIELDS, "Can't find actor with name: " + actorName + " in group: " + group + " to inject into: " + target);
                    } else {
                        field.setAccessible(true);
                        field.set(target, actor);
                    }
                } catch (final ReflectionException exception) {
                    Gdx.app.error(TAG_INJECT_FIELDS, "Unable to set value into field: " + field + " of object: " + target, exception);
                }
            }
        }
        handledClass = handledClass.getSuperclass();
    }
}
 

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 <T> T newInstance( Class<T> cls ){
	try {
		return ClassReflection.newInstance(cls);
	} catch (ReflectionException e) {
		Game.reportException(e);
		return null;
	}
}
 

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;
}
 

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);
}
 

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");
		}

	}
 

public static Pixmap load(byte [] encodedData, int offset, int len){
	if(Gdx.app.getType() == ApplicationType.WebGL){
		throw new GdxRuntimeException("load pixmap from bytes not supported for WebGL");
	}else{
		// call new Pixmap(encodedData, offset, len); via reflection to
		// avoid compilation error with GWT.
		try {
			return (Pixmap)ClassReflection.getConstructor(Pixmap.class, byte[].class, int.class, int.class).newInstance(encodedData, offset, len);
		} catch (ReflectionException e) {
			throw new GdxRuntimeException(e);
		}
	}
}