Examples with Type com.google.api.expr.v1alpha1.Type used on opensource projects

Example 86 with Type

use of com.google.api.expr.v1alpha1.Type in project openwebbeans by apache.

the class InterceptorDecoratorProxyFactory method delegateNonInterceptedMethods.

/**
 * Directly delegate all non intercepted nor decorated methods to the internal instance.
 *
 * @param noninterceptedMethods all methods which are neither intercepted nor decorated
 */
@Override
protected void delegateNonInterceptedMethods(ClassLoader classLoader, ClassWriter cw, String proxyClassFileName, Class<?> classToProxy, Method[] noninterceptedMethods) {
    for (Method delegatedMethod : noninterceptedMethods) {
        if (unproxyableMethod(delegatedMethod) || isIgnoredMethod(delegatedMethod)) {
            continue;
        }
        int modifiers = delegatedMethod.getModifiers();
        if (Modifier.isProtected(modifiers) && !delegatedMethod.getDeclaringClass().getPackage().getName().equals(classToProxy.getPackage().getName())) {
            continue;
        }
        String methodDescriptor = Type.getMethodDescriptor(delegatedMethod);
        // X TODO handle generic exception types?
        Class[] exceptionTypes = delegatedMethod.getExceptionTypes();
        String[] exceptionTypeNames = new String[exceptionTypes.length];
        for (int i = 0; i < exceptionTypes.length; i++) {
            exceptionTypeNames[i] = Type.getType(exceptionTypes[i]).getInternalName();
        }
        int targetModifiers = modifiers & (Modifier.PROTECTED | Modifier.PUBLIC | MODIFIER_VARARGS);
        MethodVisitor mv = cw.visitMethod(targetModifiers, delegatedMethod.getName(), methodDescriptor, null, exceptionTypeNames);
        // fill method body
        mv.visitCode();
        // load the delegate variable
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_PROXIED_INSTANCE, Type.getDescriptor(classToProxy));
        int offset = 1;
        for (Class<?> aClass : delegatedMethod.getParameterTypes()) {
            Type type = Type.getType(aClass);
            mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), offset);
            offset += type.getSize();
        }
        Type declaringClass = Type.getType(delegatedMethod.getDeclaringClass());
        boolean isItf = delegatedMethod.getDeclaringClass().isInterface();
        mv.visitMethodInsn(isItf ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL, declaringClass.getInternalName(), delegatedMethod.getName(), methodDescriptor, isItf);
        generateReturn(mv, delegatedMethod);
        mv.visitMaxs(-1, -1);
        mv.visitEnd();
    }
}