Network Stuff (easy socket v3)

/*
Copyright (C) 2004 Jacquelin POTIER <jacquelin.potier@free.fr>
Dynamic aspect ratio code Copyright (C) 2004 Jacquelin POTIER <jacquelin.potier@free.fr>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
using System;
using System.IO;

public class file_access
{

    public static string read(string file_name)
    {
        try
        {
            string        data;

            FileStream fs=new FileStream(file_name,FileMode.Open ,FileAccess.Read,FileShare.ReadWrite );
            StreamReader sr=new StreamReader(fs,System.Text.Encoding.Default);
            data=sr.ReadToEnd();
            sr.Close();
            fs.Close();
            return data;
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
            return "";
        }
    }

    public static byte[] read_binary(string file_name)
    {
        try
        {
            FileStream    fs;
            long        file_size;

            fs = new FileStream(file_name, FileMode.Open ,FileAccess.Read,FileShare.ReadWrite );
            file_size = fs.Length;
          
            byte[] buffer = new byte[(int)file_size];
            fs.Read(buffer, 0, (int)file_size);
            fs.Close();
            return buffer;
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
            return null;
        }
    }

    public static void write_binary(string file_name,byte[] buffer)
    {
        try
        {
            write_binary(file_name,buffer,false);
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
        }
    }

    public static void write_binary(string file_name,byte[] buffer,bool append)
    {
        try
        {
            FileStream        fs;

            if (append)
            {
                fs=new FileStream(file_name,FileMode.Append ,FileAccess.Write,FileShare.ReadWrite);
            }
            else
            {
                if (File.Exists(file_name)) File.Delete(file_name);
                fs=new FileStream(file_name,FileMode.OpenOrCreate ,FileAccess.Write,FileShare.ReadWrite);
            }
            fs.Write(buffer,0,buffer.Length);
            fs.Close();
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
        }
    }

    public static void write_binary_at(string file_name,byte[] buffer,long position)
    {
        try
        {
            FileStream        fs;

            fs=new FileStream(file_name,FileMode.OpenOrCreate ,FileAccess.Write,FileShare.ReadWrite);
            fs.Seek(position,System.IO.SeekOrigin.Begin);
            fs.Write(buffer,0,buffer.Length);
            fs.Close();
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
        }
    }


    public static void write(string file_name,string buffer)
    {
        try
        {
            write(file_name,buffer,false);
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
        }
    }

    public static void write(string file_name,string buffer,bool append)
    {
        try
        {
            FileStream        fs;

            if (append)
            {
                fs=new FileStream(file_name,FileMode.Append ,FileAccess.Write,FileShare.ReadWrite);
            }
            else
            {
                if (File.Exists(file_name)) File.Delete(file_name);
                fs=new FileStream(file_name,FileMode.OpenOrCreate ,FileAccess.Write,FileShare.ReadWrite);
            }
            StreamWriter sw=new StreamWriter(fs);
            sw.Write(buffer);
            sw.Close();
            fs.Close();
        }
        catch(Exception e)
        {
            System.Windows.Forms.MessageBox.Show(e.Message,"Error",
                System.Windows.Forms.MessageBoxButtons.OK,
                System.Windows.Forms.MessageBoxIcon.Error);
        }
    }
}