import java.io.*;
import java.util.zip.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import com.macfaq.io.*;


public class FileDumper5 {

  public static final int ASC = 0;
  public static final int DEC = 1;
  public static final int HEX = 2;
  public static final int SHORT = 3;
  public static final int INT = 4;
  public static final int LONG = 5;
  public static final int FLOAT = 6;
  public static final int DOUBLE = 7;
  

  public static void main(String[] args) {

    if (args.length < 1) {
      System.err.println(
       "Usage: java FileDumper2 [-ahdsilfx] [-little] [-gzip|-deflated] [-password password] file1...");
    }

    boolean bigEndian = true; 
    int firstFile = 0;
    int mode = ASC;
    boolean deflated = false;
    boolean gzipped = false;
    String password = null;
    
    // process command line switches
    for (firstFile = 0; firstFile < args.length; firstFile++) {
      if (!args[firstFile].startsWith("-")) break;
      if (args[firstFile].equals("-h")) mode = HEX;
      else if (args[firstFile].equals("-d")) mode = DEC;
      else if (args[firstFile].equals("-s")) mode = SHORT;
      else if (args[firstFile].equals("-i")) mode = INT;
      else if (args[firstFile].equals("-l")) mode = LONG;
      else if (args[firstFile].equals("-f")) mode = FLOAT;
      else if (args[firstFile].equals("-x")) mode = DOUBLE;
      else if (args[firstFile].equals("-little")) bigEndian = false;
      else if (args[firstFile].equals("-deflated") && !gzipped) deflated = true;
      else if (args[firstFile].equals("-gzip") && !deflated) gzipped = true;
      else if (args[firstFile].equals("-password")) {
        password = args[firstFile+1];
        firstFile++;
      }
    }
    
    for (int i = firstFile; i < args.length; i++) {
      try {
        InputStream in = new FileInputStream(args[i]);

        // Note that the reference variable in
        // may point to several different objects
        // within the space of the next few lines
        
        // other than the command line arguments
        // the following lines are the only real addition        
        if (password != null) {
          PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
          SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
          SecretKey pbeKey = keyFactory.generateSecret(pbeKeySpec);
          Cipher pbe = Cipher.getInstance("PBEWithMD5AndDES");
          byte[] salt = { (byte) 0x9C, (byte) 0x8A, (byte) 0xFF, (byte) 0xEF, 
           (byte) 0x76, (byte) 0x23, (byte) 0x29, (byte) 0x02, };
          PBEParameterSpec paramspec = new PBEParameterSpec(salt, 20);
          pbe.init(Cipher.DECRYPT_MODE, pbeKey, paramspec);
          in = new CipherInputStream(in, pbe);
        }
        
        if (deflated) {
          in = new InflaterInputStream(in);
        }
        else if (gzipped) {
          in = new GZIPInputStream(in);
        }
        
        if (bigEndian) {
          DataInputStream din = new DataInputStream(in);
          switch (mode) {
            case HEX: 
              in = new HexFilter(in);
              break;
            case DEC: 
              in = new DecimalFilter(in);
              break;
            case INT: 
              in = new IntFilter(din);
              break;
            case SHORT: 
              in = new ShortFilter(din);
              break;
            case LONG: 
              in = new LongFilter(din);
              break;
            case DOUBLE: 
              in = new DoubleFilter(din);
              break;
            case FLOAT: 
              in = new FloatFilter(din);
              break;
            default:
          }
        }
        else {
          LittleEndianInputStream lin = new LittleEndianInputStream(in);
          switch (mode) {
            case HEX: 
              in = new HexFilter(in);
              break;
            case DEC: 
              in = new DecimalFilter(in);
              break;
            case INT: 
              in = new LEIntFilter(lin);
              break;
            case SHORT: 
              in = new LEShortFilter(lin);
              break;
            case LONG: 
              in = new LELongFilter(lin);
              break;
            case DOUBLE: 
              in = new LEDoubleFilter(lin);
              break;
            case FLOAT: 
              in = new LEFloatFilter(lin);
              break;
            default:  
          }
        }
        
        StreamCopier.copy(in, System.out);
        in.close();
        
        if (i < args.length-1) {  // more files to dump
          System.out.println();
          System.out.println("--------------------------------------");
          System.out.println();
        }
        
      }
      catch (Exception e) {
        System.err.println(e);
        e.printStackTrace();
      }
        
    }

  }

}