Java Code Examples for org.springframework.expression.spel.support.StandardEvaluationContext#setMethodResolvers()

The following examples show how to use org.springframework.expression.spel.support.StandardEvaluationContext#setMethodResolvers() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: spring-analysis-note   File: EvaluationTests.java    License: MIT License 6 votes vote down vote up
/**
 * Verifies behavior requested in SPR-9621.
 */
@Test
public void customMethodFilter() {
	StandardEvaluationContext context = new StandardEvaluationContext();

	// Register a custom MethodResolver...
	List<MethodResolver> customResolvers = new ArrayList<>();
	customResolvers.add(new CustomMethodResolver());
	context.setMethodResolvers(customResolvers);

	// or simply...
	// context.setMethodResolvers(new ArrayList<MethodResolver>());

	// Register a custom MethodFilter...
	MethodFilter filter = new CustomMethodFilter();
	try {
		context.registerMethodFilter(String.class, filter);
		fail("should have failed");
	}
	catch (IllegalStateException ise) {
		assertEquals(
				"Method filter cannot be set as the reflective method resolver is not in use",
				ise.getMessage());
	}
}
 
Example 2
@Test
public void testAddingMethodResolvers() {
	StandardEvaluationContext ctx = new StandardEvaluationContext();

	// reflective method accessor is the only one by default
	List<MethodResolver> methodResolvers = ctx.getMethodResolvers();
	assertEquals(1, methodResolvers.size());

	MethodResolver dummy = new DummyMethodResolver();
	ctx.addMethodResolver(dummy);
	assertEquals(2, ctx.getMethodResolvers().size());

	List<MethodResolver> copy = new ArrayList<>();
	copy.addAll(ctx.getMethodResolvers());
	assertTrue(ctx.removeMethodResolver(dummy));
	assertFalse(ctx.removeMethodResolver(dummy));
	assertEquals(1, ctx.getMethodResolvers().size());

	ctx.setMethodResolvers(copy);
	assertEquals(2, ctx.getMethodResolvers().size());
}
 
Example 3
Source Project: spring-analysis-note   File: SpelReproTests.java    License: MIT License 6 votes vote down vote up
/**
 * Test the ability to subclass the ReflectiveMethodResolver and change how it
 * determines the set of methods for a type.
 */
@Test
public void customStaticFunctions_SPR9038() {
	ExpressionParser parser = new SpelExpressionParser();
	StandardEvaluationContext context = new StandardEvaluationContext();
	List<MethodResolver> methodResolvers = new ArrayList<>();
	methodResolvers.add(new ReflectiveMethodResolver() {
		@Override
		protected Method[] getMethods(Class<?> type) {
			try {
				return new Method[] {Integer.class.getDeclaredMethod("parseInt", String.class, Integer.TYPE)};
			}
			catch (NoSuchMethodException ex) {
				return new Method[0];
			}
		}
	});

	context.setMethodResolvers(methodResolvers);
	Expression expression = parser.parseExpression("parseInt('-FF', 16)");

	Integer result = expression.getValue(context, "", Integer.class);
	assertEquals(-255, result.intValue());
}
 
Example 4
Source Project: java-technology-stack   File: EvaluationTests.java    License: MIT License 6 votes vote down vote up
/**
 * Verifies behavior requested in SPR-9621.
 */
@Test
public void customMethodFilter() {
	StandardEvaluationContext context = new StandardEvaluationContext();

	// Register a custom MethodResolver...
	List<MethodResolver> customResolvers = new ArrayList<>();
	customResolvers.add(new CustomMethodResolver());
	context.setMethodResolvers(customResolvers);

	// or simply...
	// context.setMethodResolvers(new ArrayList<MethodResolver>());

	// Register a custom MethodFilter...
	MethodFilter filter = new CustomMethodFilter();
	try {
		context.registerMethodFilter(String.class, filter);
		fail("should have failed");
	}
	catch (IllegalStateException ise) {
		assertEquals(
				"Method filter cannot be set as the reflective method resolver is not in use",
				ise.getMessage());
	}
}
 
Example 5
@Test
public void testAddingMethodResolvers() {
	StandardEvaluationContext ctx = new StandardEvaluationContext();

	// reflective method accessor is the only one by default
	List<MethodResolver> methodResolvers = ctx.getMethodResolvers();
	assertEquals(1, methodResolvers.size());

	MethodResolver dummy = new DummyMethodResolver();
	ctx.addMethodResolver(dummy);
	assertEquals(2, ctx.getMethodResolvers().size());

	List<MethodResolver> copy = new ArrayList<>();
	copy.addAll(ctx.getMethodResolvers());
	assertTrue(ctx.removeMethodResolver(dummy));
	assertFalse(ctx.removeMethodResolver(dummy));
	assertEquals(1, ctx.getMethodResolvers().size());

	ctx.setMethodResolvers(copy);
	assertEquals(2, ctx.getMethodResolvers().size());
}
 
Example 6
Source Project: java-technology-stack   File: SpelReproTests.java    License: MIT License 6 votes vote down vote up
/**
 * Test the ability to subclass the ReflectiveMethodResolver and change how it
 * determines the set of methods for a type.
 */
@Test
public void customStaticFunctions_SPR9038() {
	ExpressionParser parser = new SpelExpressionParser();
	StandardEvaluationContext context = new StandardEvaluationContext();
	List<MethodResolver> methodResolvers = new ArrayList<>();
	methodResolvers.add(new ReflectiveMethodResolver() {
		@Override
		protected Method[] getMethods(Class<?> type) {
			try {
				return new Method[] {Integer.class.getDeclaredMethod("parseInt", String.class, Integer.TYPE)};
			}
			catch (NoSuchMethodException ex) {
				return new Method[0];
			}
		}
	});

	context.setMethodResolvers(methodResolvers);
	Expression expression = parser.parseExpression("parseInt('-FF', 16)");

	Integer result = expression.getValue(context, "", Integer.class);
	assertEquals(-255, result.intValue());
}
 
Example 7
/**
 * Verifies behavior requested in SPR-9621.
 */
@Test
public void customMethodFilter() throws Exception {
	StandardEvaluationContext context = new StandardEvaluationContext();

	// Register a custom MethodResolver...
	List<MethodResolver> customResolvers = new ArrayList<MethodResolver>();
	customResolvers.add(new CustomMethodResolver());
	context.setMethodResolvers(customResolvers);

	// or simply...
	// context.setMethodResolvers(new ArrayList<MethodResolver>());

	// Register a custom MethodFilter...
	MethodFilter filter = new CustomMethodFilter();
	try {
		context.registerMethodFilter(String.class, filter);
		fail("should have failed");
	} catch (IllegalStateException ise) {
		assertEquals(
				"Method filter cannot be set as the reflective method resolver is not in use",
				ise.getMessage());
	}
}
 
Example 8
@Test
public void testAddingMethodResolvers() {
	StandardEvaluationContext ctx = new StandardEvaluationContext();

	// reflective method accessor is the only one by default
	List<MethodResolver> methodResolvers = ctx.getMethodResolvers();
	assertEquals(1, methodResolvers.size());

	MethodResolver dummy = new DummyMethodResolver();
	ctx.addMethodResolver(dummy);
	assertEquals(2, ctx.getMethodResolvers().size());

	List<MethodResolver> copy = new ArrayList<MethodResolver>();
	copy.addAll(ctx.getMethodResolvers());
	assertTrue(ctx.removeMethodResolver(dummy));
	assertFalse(ctx.removeMethodResolver(dummy));
	assertEquals(1, ctx.getMethodResolvers().size());

	ctx.setMethodResolvers(copy);
	assertEquals(2, ctx.getMethodResolvers().size());
}
 
Example 9
/**
 * Test the ability to subclass the ReflectiveMethodResolver and change how it
 * determines the set of methods for a type.
 */
@Test
public void customStaticFunctions_SPR9038() {
	ExpressionParser parser = new SpelExpressionParser();
	StandardEvaluationContext context = new StandardEvaluationContext();
	List<MethodResolver> methodResolvers = new ArrayList<MethodResolver>();
	methodResolvers.add(new ReflectiveMethodResolver() {
		@Override
		protected Method[] getMethods(Class<?> type) {
			try {
				return new Method[] {
						Integer.class.getDeclaredMethod("parseInt", new Class<?>[] {String.class, Integer.TYPE})};
			}
			catch (NoSuchMethodException ex) {
				return new Method[0];
			}
		}
	});

	context.setMethodResolvers(methodResolvers);
	Expression expression = parser.parseExpression("parseInt('-FF', 16)");

	Integer result = expression.getValue(context, "", Integer.class);
	assertEquals(-255, result.intValue());
}
 
Example 10
@Before
public void init() throws SchedulerException, IOException {
    MockitoAnnotations.initMocks(this);
    when(context.getSpace()).thenReturn(schedulerSpaceInterface);
    when(schedulerSpaceInterface.checkFileExists(USERSPACE_NAME, existUserFilePath)).thenReturn(true);
    when(schedulerSpaceInterface.checkFileExists(USERSPACE_NAME, notExistUserFilePath)).thenReturn(false);
    when(schedulerSpaceInterface.checkFileExists(GLOBALSPACE_NAME, existGlobalFilePath)).thenReturn(true);
    when(schedulerSpaceInterface.checkFileExists(GLOBALSPACE_NAME, notExistGlobalFilePath)).thenReturn(false);
    when(context.getScheduler()).thenReturn(scheduler);
    when(scheduler.thirdPartyCredentialsKeySet()).thenReturn(Collections.singleton(existCredential));
    modelFile = testFolder.newFile("modelFile");
    FileUtils.writeStringToFile(modelFile, validModel, Charset.defaultCharset());
    StandardEvaluationContext spelContext = new StandardEvaluationContext();
    spelContext.setTypeLocator(new RestrictedTypeLocator());
    spelContext.setMethodResolvers(Collections.singletonList(new RestrictedMethodResolver()));
    spelContext.addPropertyAccessor(new RestrictedPropertyAccessor());
    when(context.getSpELContext()).thenReturn(spelContext);
}
 
Example 11
public DefaultEntitySanitizer(VerifierMode verifierMode,
                              List<Function<Object, Optional<Object>>> sanitizers,
                              boolean annotationSanitizersEnabled,
                              boolean stdValueSanitizersEnabled,
                              Function<Class<?>, Boolean> includesPredicate,
                              Function<String, Optional<Object>> templateResolver,
                              Map<String, Method> registeredFunctions,
                              Map<String, Object> registeredBeans,
                              Function<Class<?>, Optional<ConstraintValidator<?, ?>>> applicationValidatorFactory) {

    Supplier<EvaluationContext> spelContextFactory = () -> {
        StandardEvaluationContext context = new StandardEvaluationContext();
        registeredFunctions.forEach(context::registerFunction);
        context.setBeanResolver((ctx, beanName) -> registeredBeans.get(beanName));
        context.setMethodResolvers(Collections.singletonList(new ReflectiveMethodResolver()));
        return context;
    };

    this.validator = Validation.buildDefaultValidatorFactory()
            .usingContext()
            .constraintValidatorFactory(new ConstraintValidatorFactoryWrapper(verifierMode, applicationValidatorFactory, spelContextFactory))
            .messageInterpolator(new SpELMessageInterpolator(spelContextFactory))
            .getValidator();

    List<Function<Object, Optional<Object>>> allSanitizers = new ArrayList<>();
    if (annotationSanitizersEnabled) {
        allSanitizers.add(new AnnotationBasedSanitizer(spelContextFactory.get(), includesPredicate));
    }
    if (stdValueSanitizersEnabled) {
        allSanitizers.add(new StdValueSanitizer(includesPredicate));
    }
    allSanitizers.add(new TemplateSanitizer(templateResolver, includesPredicate));
    allSanitizers.addAll(sanitizers);
    this.sanitizers = allSanitizers;
}
 
Example 12
public static Validator testValidator(String alias, Object bean) {
    Supplier<EvaluationContext> spelContextFactory = () -> {
        StandardEvaluationContext context = new StandardEvaluationContext();
        context.setBeanResolver((ctx, beanName) -> beanName.equals(alias) ? bean : null);
        context.setMethodResolvers(Collections.singletonList(new ReflectiveMethodResolver()));
        return context;
    };

    return Validation.buildDefaultValidatorFactory()
            .usingContext()
            .constraintValidatorFactory(new ConstraintValidatorFactoryWrapper(VerifierMode.Strict, type -> Optional.empty(), spelContextFactory))
            .messageInterpolator(new SpELMessageInterpolator(spelContextFactory))
            .getValidator();
}
 
Example 13
public ModelValidatorContext(Map<String, Serializable> variablesValues, Scheduler scheduler,
        SchedulerSpaceInterface space) {
    spELVariables = new SpELVariables(variablesValues);
    spelContext = new StandardEvaluationContext(spELVariables);
    spelContext.setTypeLocator(new RestrictedTypeLocator());
    spelContext.setMethodResolvers(Collections.singletonList(new RestrictedMethodResolver()));
    spelContext.addPropertyAccessor(new RestrictedPropertyAccessor());
    this.scheduler = scheduler;
    this.space = space;
}
 
Example 14
@Before
public void before() {
    context = new StandardEvaluationContext();
    context.setTypeLocator(new RestrictedTypeLocator());
    context.setMethodResolvers(Collections.singletonList(new RestrictedMethodResolver()));
    context.addPropertyAccessor(new RestrictedPropertyAccessor());
}
 
Example 15
Source Project: kork   File: ExpressionsSupport.java    License: Apache License 2.0 5 votes vote down vote up
private StandardEvaluationContext createEvaluationContext(
    Object rootObject, boolean allowUnknownKeys) {
  ReturnTypeRestrictor returnTypeRestrictor = new ReturnTypeRestrictor(allowedReturnTypes);

  StandardEvaluationContext evaluationContext = new StandardEvaluationContext(rootObject);
  evaluationContext.setTypeLocator(new AllowListTypeLocator());
  evaluationContext.setMethodResolvers(
      Collections.singletonList(new FilteredMethodResolver(returnTypeRestrictor)));
  evaluationContext.setPropertyAccessors(
      Arrays.asList(
          new MapPropertyAccessor(allowUnknownKeys),
          new FilteredPropertyAccessor(returnTypeRestrictor)));

  return evaluationContext;
}