import java.io.*;
import java.util.*;
import java.lang.*;

public class SystemCall {
    private String[] command = null;
    
    // Vector of strings that contains the output of the command that was run.
    private Vector output = new Vector();

    /** Creates new SystemCall */
    public SystemCall() {
    }
    
    public SystemCall(String command){
        this(new String[]{command});
    }

    public SystemCall(String[] command) {
        this.command = command;
    }
    
    public void setCommand(String command){
        this.command = new String[]{command};
    }

    public String[] runCommand(){
        /*for (int i=0;i<command.length;i++) {
                System.err.println("Command Length = "+command.length);
                System.err.println("Command was: "+command[i]);
        }*/
        if(command!=null){
            try{
                Process p = Runtime.getRuntime().exec(command);
                //InputStream is = p.getInputStream();
                //InputStreamReader isr = new InputStreamReader(is);
                //BufferedReader reader = new BufferedReader(isr);

                ConsoleReader reader = new ConsoleReader(p.getInputStream());
                
                String line = null;
                while((line=reader.readLine())!=null){
                    output.add(new String(line));
                }
                
                String[] outputArray = new String[output.size()];
                for(int x=0; x<output.size(); x++){
                    outputArray[x] = (String) output.get(x);
                }
                return outputArray;
            }
            catch(Exception e){}
        }
        return null;
    }
                
}