Example usage for org.apache.commons.lang3.reflect ProxyUtils newProxyInstance

Introduction

In this page you can find the example usage for org.apache.commons.lang3.reflect ProxyUtils newProxyInstance.

Prototype

public static final <T> T newProxyInstance(Class<T> resultType, ClassLoader loader, InvocationHandler h,
        Class<?>... interfaces) 

Source Link

Document

Convenience varargs method for Proxy#newProxyInstance(ClassLoader,Class[],InvocationHandler)

Usage

From source file:org.springframework.jdbc.repo.impl.jdbc.RawPropertiesRepoImplTest.java

@Test
public void testValidateProxyClass() {
    assertValidationFails("testValidateProxyClass",
            ProxyUtils.newProxyInstance(Appendable.class, ExtendedClassUtils.getDefaultClassLoader(),
                    Mockito.mock(InvocationHandler.class), Appendable.class));
}

---

From source file:org.springframework.validation.ExtendedValidationUtils.java

/**
 * @param validator The {@link TypedValidator} 
 * @param cl The {@link ClassLoader} to use for the proxy
 * @return A proxy {@link Validator} that delegates the calls to the typed one
 *///from   w  w  w. ja v  a  2  s . com
public static final <E> Validator toValidator(final TypedValidator<E> validator, ClassLoader cl) {
    Assert.notNull(validator, "No validator instance");
    Assert.notNull(cl, "No class loader");

    return ProxyUtils.newProxyInstance(Validator.class, cl, new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            if (SUPPORTS_METHOD_SIGNATURE.evaluate(method)) {
                Class<E> expected = validator.getEntityClass();
                Class<?> actual = (Class<?>) args[0];
                return Boolean.valueOf(expected.isAssignableFrom(actual));
            } else if (VALIDATE_METHOD_SIGNATURE.evaluate(method)) {
                Class<E> expected = validator.getEntityClass();
                validator.validate(expected.cast(args[0]), (Errors) args[1]);
                return null;
            } else {
                return method.invoke(validator, args);
            }
        }
    }, Validator.class);
}

---