saranyan

//Full source code is available at https://github.com/saranyan/PayPal-Code-Examples

//---------------------------------------------------------------------
//Step 1 - Initialize. 
//Do this before anything else.

 public void initLibrary() {
    	PayPal pp = PayPal.getInstance();
    	if (pp == null) {
    		// This is the main initialization call that takes in your Context,

saranyan

@namespace("com.x.service.catalog")

/**
 * Protocol for the Catalog Service
 * ================================
 */
protocol CatalogService {

	//-----------------------------------------------------------------------------------------------------
	// Request & Response: Product Types

saranyan

java -jar avro-tools-1.5.4.jar idl catalog.avdl /tmp/catalog.avpr

saranyan

{
  "protocol" : "CatalogService",
  "namespace" : "com.x.service.catalog",
  "types" : [ {
    "type" : "record",
    "name" : "GetProductTypesMessage",
    "fields" : [ {
      "name" : "locale",
      "type" : [ "null", "string" ]
    } ],

saranyan

CONTRACT_PROTOCOL_JSON = <<-EOS
{
  "protocol" : "CatalogService",
  "namespace" : "com.x.service.catalog",
  "types" : [ {
    "type" : "record",
    "name" : "GetProductTypesMessage",
    "fields" : [ {
      "name" : "locale",
      "type" : [ "null", "string" ]

saranyan

if Rails.env.production?
  PAYPAL_ACCOUNT = 'production@gmail.com'
else
  PAYPAL_ACCOUNT = 'development@gmail.com'
  ActiveMerchant::Billing::Base.mode = :test
end

saranyan

#from http://www.ruby-forum.com/topic/163331#817338
#this code will also work if you are not using active merchant.
 if request.post?
  #new
  @params = params
  @params[:cmd] = "_notify-validate"
  @params.delete(:action)
  @params.delete(:controller)

  url = URI.parse("https://www.paypal.com/cgi-bin/webscr")

saranyan

#include "mylibrary.h"
#include <stdio.h>

double calculate_something(int a, float b)
{
 return a+b;
}

const char* test_function_1(const char *w)
{

saranyan

# mylibrary.rb
TESTVAR = 2
module MyLibrary
  extend FFI::Library
  ffi_lib "mylibrary.so"
  attach_function :calculate_something, [:int, :float], :double
  attach_function :test_function_1, [:string], :string
  attach_function :test_function_2, [:double, :pointer, :string], :int
  attach_function :test_function_3, [], :void
  attach_function :test_function_4, [:pointer], :void

saranyan

#include <stdio.h>
#include "mylibrary.h"

int main(){
    
    char x[10];
    double d = 10.0;
    double *dp = &d;
    double dd[3];
    printf("tf0 - %lf\n",calculate_something(1,2.33));