Java中运行其它程序方法的实例详解

import java.io.*;

public class CommandWrapper
{
PRocess process;
Thread in;
Thread out;
public CommandWrapper(Process process)
{
this.process = process;
final InputStream inputStream
= process.getInputStream();
//final BufferedReader
r=new BufferedReader
(new InputStreamReader(inputStream));
final byte[] buffer = new byte[1024];
out = new Thread()
{
//String line;
int lineNumber=0;
public void run()
{
try {
while (true)
{
int count = inputStream.read(buffer);
System.out.println
(lineNumber+":"+new String
(buffer, 0, count-1));
//line=r.readLine();
//System.out.println
(lineNumber+":"+line);
lineNumber++;
}
}
catch (Exception e)
{

}
}
};
final BufferedReader reader =
new BufferedReader
(new InputStreamReader(System.in));
final OutputStream outputStream
= process.getOutputStream();
in = new Thread()
{
String line;
public void run()
{
try {
while (true)
{
outputStream.write(
(reader.readLine()+"/n").getBytes());
outputStream.flush();
}
}
catch (Exception e)
{

}
}
};
}

public void startIn()
{
in.start();
}

public void startOut()
{
out.start();
}

public void interruptIn()
{
in.interrupt();
}

public void interruptOut()
{
out.interrupt();
}

public static void main(String[] args)
{
try
{
CommandWrapper command =
new CommandWrapper(Runtime.getRuntime().
exec("native2ascii"));
command.startIn();
command.startOut();
}
catch (Exception e) {
e.printStackTrace();
}
}

}