package test.annoparams;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;

import net.sf.annoparams.Param;
import net.sf.annoparams.ParamParser;

/** Simple usage examlple*/
public class Simple {
  public static void main(String[] args) throws Exception{
    Cmd cmd = new Cmd();
    ParamParser parser = new ParamParser();
    parser.parseDefault(args, cmd);
   
    if(cmd.restParams == null){
      System.out.println("You must specify a file as the last parameter");
      System.exit(100);
    }
    //print all lines from this file
    BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(cmd.restParams[0])));
    String line = null;
    while((line=br.readLine()) != null){
      if(cmd.all ||  !"".equals(line) )
        System.out.print(cmd.prefix);
      System.out.println(line);
     
    }
  }
 
  public static class Cmd{
    @Param(shortHelp="prefix all lines (including blank ones)")
    public boolean all;
    @Param(shortHelp="prefix to be printed")
    public String prefix;
    //this a naming convention, a field named like this receives rest of the parameters
    public File[] restParams;
  }
}