using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace SystemUtils.Tools.Java

{

public class JavaTool

{

public JavaTool()

{

ClassPath = new List<string>();

}

public static JavaTool AutoDetect(string dir)

{

var binDir = Path.Combine(dir, "bin");

var mainFile = Directory.GetFiles(binDir, "Program.class", SearchOption.AllDirectories)[0];

var mainClass = mainFile.Replace(".class", "");

mainClass = mainClass.Replace(binDir, "");

if (mainClass.StartsWith("\\"))

mainClass = mainClass.Substring(1);

mainClass = mainClass.Replace("\\", ".");

var libDir = Path.Combine(dir, "lib");

var java = new JavaTool

{

ClassPath = { binDir, },

MainClass = mainClass,

};

if (Directory.Exists(libDir))

java.AddAllJarsInDirToClassPath(libDir);

return java;

}

public void AddAllJarsInDirToClassPath(string dir)

{

ClassPath.AddRange(Directory.GetFiles(dir, "*.jar"));

}

public List<string> ClassPath { get; set; }

public string MainClass { get; set; }

public string Arguments { get; set; }

public string MaxPermSize { get; set; }

public Process Process { get; set; }

public void Run()

{

var sb = new StringBuilder();

if(MaxPermSize!=null)

sb.Append("-XX:MaxPermSize="+MaxPermSize+" ");

sb.Append("-classpath ");

sb.Append(String.Join(";", ClassPath.ToArray()));

sb.Append(" ");

sb.Append(MainClass);

sb.Append(" ");

sb.Append(Arguments);

var args = sb.ToString();

Process = new Process { StartInfo = new ProcessStartInfo { FileName = @"C:\Program Files\Java\jdk1.7.0_25\bin\javaw.exe", Arguments = args, UseShellExecute = false } };

Process.StartInfo.RedirectStandardError = true;

Process.StartInfo.RedirectStandardOutput = true;

Process.Start();

Process.BeginOutputReadLine();

Process.BeginErrorReadLine();

Process.OutputDataReceived += (s, e) => Console.WriteLine(e.Data);

Process.ErrorDataReceived += (s, e) => Console.WriteLine(e.Data);

Process.WaitForExit();

}

}

}