How to add a timeout value when using Java's Runtime.exec()?

Question

I have a method I am using to execute a command on the local host. I\'d like to add a timeout parameter to the method so that if the command being called doesn\'t finish in

Answer 1

and here is the StreamThread

public class CommandStreamThread extends Thread{
        private InputStream iStream;
        private String cPrompt;

        CommandStreamThread (InputStream is, String cPrompt)
        {
            this.iStream = is;
            this.cPrompt = cPrompt;
        }

        public void run()
        {
            try
            {
                InputStreamReader streamReader= new InputStreamReader(this.iStream);
                BufferedReader reader = new BufferedReader(streamReader);


                String linesep=System.getProperty("line.separator");
                String line=null;
                while ((line=reader.readLine())!=null){
                    System.out.println(line);
                    //Process the next line seperately in case this is EOF is not preceded by EOL
                    int in;
                    char[] buffer=new char[linesep.length()];
                    while ( (in = reader.read(buffer)) != -1){
                        String bufferValue=String.valueOf(buffer, 0, in);
                        System.out.print(bufferValue);
                        if (bufferValue.equalsIgnoreCase(linesep))
                            break;
                    }
                }

                //Or the easy way out with commons utils!
                //IOUtils.copy(this.iStream, System.out);


              } catch (Exception e){
                    e.printStackTrace();  
              }
        }

        public InputStream getIStream() {
            return iStream;
        }

        public void setIStream(InputStream stream) {
            iStream = stream;
        }

        public String getCPrompt() {
            return cPrompt;
        }

        public void setCPrompt(String prompt) {
            cPrompt = prompt;
        }


}