//PrintMe.java -- new PrintMe(Class); 就會把 Class.java 印出
//@CopyLeft by tsaiwn@csie.nctu.edu.tw
import java.io.*;
import java.util.*;
import java.net.*;
class PrintMe {
    String fn="";
    static PrintStream cout = System.out;
    static BufferedReader br = null;
    public static Class theClass = null;
    PrintMe(Class who) {
       theClass = who;
       try{
          fn = "" + who.getName( ) + ".java";
       }catch(Exception e) {;}
       printOut( );
    }
    void printOut( ) {
        System.out.println(fn);
        String fileName = fn;
        String s = null;
        getReader(fileName);  if(br==null) return;
        int n = 0;
        try{
           s = br.readLine( );
        }catch(Exception e) {;}
        while(s != null) {     // Java 要改為這樣偵測是否 EOF 檔案結束!
        //while( ! br.eof() ) {   // 因 Java 的 BufferReader 沒有 eof( ) 可用
             ++n;
             cout.printf("%5d %s\r\n", n, s);   // for DOS/Windows
             try{s = br.readLine( );}catch(Exception e) {;}
         } // while
         cout.printf("\r\n");   // remove "\r" on Unix system
    }//printOut(
    public BufferedReader getReader(String fileName) {
         BufferedReader br = null;
         Class cc = theClass;
         try {
             InputStream is = cc.getResourceAsStream(fileName);
             br = new BufferedReader(new InputStreamReader( is ) );
         }catch(Exception e) {
             System.err.println("? Can NOT find file: " + fileName);
         }
         return br;
    }// getReader(
} //class PrintMe(