Generating PDF reports using nfop

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.Xml.Serialization;
using System.Xml;
using System.IO;
using System.Xml.Xsl;

using java.io;
using org.xml.sax;

using org.apache.fop;
using org.apache.fop.apps;
using org.apache.fop.tools;
using org.apache.fop.configuration;

namespace PDFReport
{
    public static class IDGenerator
    {
        private static int id = 0;
        public static int Generate()
        {
            return id++;
        }
    }
    public class Author
    {
        public List<Book> created;
        public string name;
        public int id;
        public Author()
        {
            this.name = "no name";
            this.created = new List<Book>();
            this.id = IDGenerator.Generate();
        }
        public Author(string value)
        {
            this.name = value;
            this.created = new List<Book>();
            this.id = IDGenerator.Generate();
        }
        public void CreateBook(string name, List<Pare> articles, double bookPrice)
        {
            Book book = new Book(name);
            book.SetPrice(bookPrice);
            foreach(Pare article in articles)
            {
                book.WriteArticle(article);
            }
            this.created.Add(book);
        }
    }

    public class Book
    {
        public int id;
        public Props bookProps;
        public List<Pare> articles;
        
        public Book(string value)
        {
            this.bookProps = new Props(value, 0);
            this.articles = new List<Pare>();            
            this.id = IDGenerator.Generate();
        }
        public Book()
        {
            this.bookProps = new Props("no name", 0);
            this.articles = new List<Pare>();
            this.id = IDGenerator.Generate();
        }
        public void SetPrice(double priceValue)
        {
            this.bookProps.price = priceValue;
        }
        public void WriteArticle(Pare article)
        {
            this.articles.Add(article);
        }
    }
    public class Props
    {
        public string name;
        public double price;
        public Props()
        {
            this.name = "no name";
            this.price = 0;    
        }
        public Props(string stringParam, int intParam)
        {
            this.name = stringParam;
            this.price = intParam;
        }
    }
    public class Pare
    {
        
        public string name;
        public int pages;
        public Pare()
        {
            this.name = "no name";
            this.pages = 0;
        }
        public Pare(string stringParam, int intParam)
        {
            this.name = stringParam;
            this.pages = intParam;
        }
    }
    
    class Program
    {      
        static void Main(string[] args)
        {
            ConfigurationReader reader_ = null;

            string fileName = "E://pdf_root/report";
            string fileXML = fileName + ".xml";
            string fileXSL = fileName + ".xslt";
            string fileFO = fileName + ".fo";

            Author writer = new Author("Tolkein");
            List<Pare> articles = new List<Pare>();

            articles.Add(new Pare("Gollum",190));
            articles.Add(new Pare("Gendalf", 90));
            articles.Add(new Pare("Frodo",31));
            articles.Add(new Pare("Boromir", 095));
            writer.CreateBook("Lord of the rings",articles, 900.0);             

            articles.Clear();
            articles.Add(new Pare("Introduction",86));
            articles.Add(new Pare("Table of contents", 17));
            articles.Add(new Pare("Chapter 1", 902));
            articles.Add(new Pare("Chapter 2", 1500));
            articles.Add(new Pare("Chapter 3",91));
            articles.Add(new Pare("Chapter 100500",74));
            writer.CreateBook("How i met your mother",articles, 490.0);             

            articles.Clear();
            articles.Add(new Pare("1",43));
            articles.Add(new Pare("2",73));
            writer.CreateBook("Sample",articles, 130.0);

            Author writer1 = new Author("Tolstoy");
            articles.Clear();
            articles.Add(new Pare("sample ыыы1", 123));
            articles.Add(new Pare("sample 2", 124));
            articles.Add(new Pare("sample 3", 125));
            writer1.CreateBook("New one", articles, 12.0);

            //Serializing data
            FileStream fs = System.IO.File.Create(fileXML);
            XmlSerializer s = new XmlSerializer(typeof(List<Author>));

            List<Author> list = new List<Author>();
            list.Add(writer);
            list.Add(writer1);

            s.Serialize(fs, list);
            fs.Close();
            
            
            //Generate FO file
            XslTransform xslt = new XslTransform();
            xslt.Load(fileXSL);
            xslt.Transform(fileXML, fileFO);
            
            //Setup font configurations
            string configPath = "..fonts\\userconfig.xml";//path to you config file 
            FileInputStream inputStream = null;
            InputSource inputSource = null;

            try
            {
                inputStream = new FileInputStream(configPath);
                inputSource = new InputSource(inputStream);
                reader_ = new ConfigurationReader(inputSource);
                reader_.start();
            }
            catch (FOPException ex)
            {
                Console.WriteLine(ex.Message);
                throw;
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.Message);
                throw;
            }
            finally
            {
                if (inputStream != null)
                {
                    inputStream.close();
                }
            }

            //Generate PDF file
            java.io.FileInputStream streamFO = null;
            java.io.FileOutputStream streamOut = null;
            try
            {
                streamFO = new java.io.FileInputStream(fileFO);
                streamOut = new java.io.FileOutputStream(fileName + ".pdf");

                InputSource src = new InputSource(streamFO);
                Driver driver = new Driver(src, streamOut);
                driver.setRenderer(Driver.RENDER_PDF);
                driver.run();
            }
            catch(FOPException ex)
            {
                Console.WriteLine(ex.Message);
                throw;
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.Message);
                throw;
            }
            finally
            {
                if (streamOut != null)
                {
                    streamOut.close();
                }
                if (streamFO != null)
                {
                    streamFO.close();
                }
            }
        }
    }
}