CourseXmlParser.cs :  » Network-Clients » iReaper » IReaper » CourseData » C# / CSharp Open Source

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;

namespace IReaper.CourseData{
    /// <summary>
    /// 
    /// </summary>
    /// <param name="course"></param>
    public delegate void CourseProcessEventHandler(Course course);
    /// <summary>
    /// CourseXmlParseCourse
    /// </summary>
    public abstract class CourseXmlParser
    {
        protected string path;
        protected string xmlName;
        public static event CourseProcessEventHandler OnCourseAdded;
        public static event EventHandler OnCourseAddedFinished;
        public static event EventHandler OnBeforeCourseAdded;

        protected CourseXmlParser(string Path)
        {
            this.path = Path;
        }

        private void ParseCourseXml()
        {
            XmlReader xReader = null;
            try
            {
                xReader = XmlReader.Create(this.path);
                Course course;
                Dictionary<string, Course> dict = CourseDataManager.AllCourses.KeydList;
                if (OnBeforeCourseAdded != null)
                {
                    OnBeforeCourseAdded(this, EventArgs.Empty);
                }
                while (xReader.ReadToFollowing(this.xmlName))
                {
                    course = ProcessCourse(xReader, dict);
                    if (course != null)
                    {
                        if (OnCourseAdded != null)
                        {
                            OnCourseAdded(course);
                        }
                    }
                }
            }
            catch
            {
                throw;
            }
            finally
            {
                xReader.Close();
            }
        }
        protected abstract Course ProcessCourse(XmlReader xReader,Dictionary<string,Course> dict);
        //
        public static void LoadXml()
        {
            CourseXmlParser parser = new InfoXMLParser();
            parser.ParseCourseXml();
            if (OnCourseAddedFinished != null)
            {
                OnCourseAddedFinished(parser, EventArgs.Empty);
            }
        }
    }
}