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

namespace iWare_SCADA_BusinessLogical.Utils
{
    /// <summary>
    /// FindFiles 实时查找文件
    /// </summary>
    /// <remarks>
    /// FindFiles e = new FindFiles();
    /// e.SearchPath = @"c:\";
    /// e.ReturnStringType = true ;
    /// e.SearchPattern = "*.exe";
    /// e.SearchForDirectory = false ;
    /// e.SearchForFile = true;
    /// e.SearchCreationTime = DateTime.Now.AddDays(-1);
    /// foreach (object name in e)
    /// {
    /// System.Console.WriteLine(name);
    /// }
    /// System.Console.ReadLine();
    /// 
    ///</remarks>
    public class FindFiles : System.Collections.IEnumerable
    {
        private bool bolReturnStringType = true;
        /// <summary>
        /// 如果为True返回文件名,否则返回 System.IO.FileInfo 或 System.IO.DirectoryInfo
        /// </summary>
        public bool ReturnStringType
        {
            get { return bolReturnStringType; }
            set { bolReturnStringType = value; }
        }
        /// <summary>
        /// 查询文件创建开始时间
        /// </summary>
        public DateTime? SearchCreationTime { get; set; }
        /// <summary>
        /// 查询文件创建结束时间
        /// </summary>
        public DateTime? SearchCreationEndTime { get; set; }

        /// <summary>
        /// 查询文件修改开始时间
        /// </summary>
        public DateTime? SearchModifyTime { get; set; }
        /// <summary>
        /// 查询文件修改结束时间
        /// </summary>
        public DateTime? SearchModifyEndTime { get; set; }

        private string strSearchPattern = "*";
        /// <summary>
        /// 查询条件
        /// </summary>
        public string SearchPattern
        {
            get { return strSearchPattern; }
            set { strSearchPattern = value; }
        }
        private string strSearchPath = null;
        /// <summary>
        /// 查询路径
        /// </summary>
        public string SearchPath
        {
            get { return strSearchPath; }
            set { strSearchPath = value; }
        }
        private bool bolSearchForFile = true;
        /// <summary>
        /// 查询文件
        /// </summary>
        public bool SearchForFile
        {
            get { return bolSearchForFile; }
            set { bolSearchForFile = value; }
        }
        private bool bolSearchForDirectory = true;
        /// <summary>
        /// 查询文件夹
        /// </summary>
        public bool SearchForDirectory
        {
            get { return bolSearchForDirectory; }
            set { bolSearchForDirectory = value; }
        }
        private bool bolThrowIOException = true;
        /// <summary>
        /// 是否抛出异常
        /// </summary>
        public bool ThrowIOException
        {
            get { return this.bolThrowIOException; }
            set { this.bolThrowIOException = value; }
        }
        /// <summary>
        /// IEnumerator接口
        /// </summary>
        /// <returns></returns>
        public System.Collections.IEnumerator GetEnumerator()
        {
            FileDirectoryEnumerator e = new FileDirectoryEnumerator();
            e.ReturnStringType = this.bolReturnStringType;
            e.SearchForDirectory = this.bolSearchForDirectory;
            e.SearchForFile = this.bolSearchForFile;
            e.SearchPath = this.strSearchPath;
            e.SearchPattern = this.strSearchPattern;
            e.ThrowIOException = this.bolThrowIOException;
            e.SearchCreationTime = this.SearchCreationTime;
            e.SearchCreationEndTime = this.SearchCreationEndTime;
            e.SearchModifyTime = this.SearchModifyTime;
            e.SearchModifyEndTime = this.SearchModifyEndTime;
            myList.Add(e);
            return e;
        }
        /// <summary>
        /// 关闭对象
        /// </summary>
        public void Close()
        {
            foreach (FileDirectoryEnumerator e in myList)
            {
                e.Close();
            }
            myList.Clear();
        }
        private System.Collections.ArrayList myList = new System.Collections.ArrayList();
    }
}