Yurttas/PL/OOL/Java/F/06/02/00/TextIO.java

  1/**
  2 *  Copyright(C) 1998
  3 *  All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
  4 *
  5 *  Permission to use, copy, modify, and distribute this
  6 *  software and its documentation for EDUCATIONAL purposes
  7 *  and without fee is hereby granted provided that this
  8 *  copyright notice appears in all copies.
  9 *
 10 *  @date   : January 1, 1998.
 11 *  @author : Salih Yurttas.
 12 */
 13
 14
 15import java.io.*;
 16
 17public class TextIO {
 18
 19  public static int getList(final int[] list)
 20    throws IOException
 21  {
 22    DataInputStream dIS = new DataInputStream(System.in);
 23    Reader kR = new BufferedReader(new InputStreamReader(dIS));
 24    StreamTokenizer kTokens = new StreamTokenizer(kR);
 25
 26    System.out.print("inFileName : ");
 27    System.out.flush();
 28    kTokens.nextToken();
 29    String inFileName = kTokens.sval;
 30
 31    FileInputStream fIS = new FileInputStream(inFileName);
 32    Reader fR = new BufferedReader(new InputStreamReader(fIS));
 33    StreamTokenizer fTokens = new StreamTokenizer(fR);
 34
 35    int count=0;
 36    while(fTokens.nextToken()!=fTokens.TT_EOF)
 37      list[count++] = (int) fTokens.nval;
 38
 39    return count;
 40  }
 41
 42  public static PrintWriter fileO()
 43    throws IOException
 44  {
 45    DataInputStream dIS = new DataInputStream(System.in);
 46    Reader kR = new BufferedReader(new InputStreamReader(dIS));
 47    StreamTokenizer kTokens = new StreamTokenizer(kR);
 48
 49    System.out.print("outFileName : ");
 50    System.out.flush();
 51    kTokens.nextToken();
 52    String outFileName = kTokens.sval;
 53
 54    FileOutputStream fOS = new FileOutputStream(outFileName);
 55    PrintWriter pW = new PrintWriter(fOS);
 56
 57    return (pW);
 58  }
 59
 60  public static void putList(final int[] list,
 61                             final int n)
 62    throws IOException
 63  {
 64    PrintWriter pW = fileO();
 65
 66    for(int i=0; i<n; i++)
 67      pW.println(list[i]);
 68
 69    pW.close();
 70  }
 71
 72  public static char getChoice()
 73    throws IOException
 74  {
 75    DataInputStream dIS = new DataInputStream(System.in);
 76    Reader kR = new BufferedReader(new InputStreamReader(dIS));
 77    StreamTokenizer kTokens = new StreamTokenizer(kR);
 78
 79    System.out.print("choiceCharacter : ");
 80    System.out.flush();
 81    char choiceCharacter = (char) dIS.read();
 82
 83    return choiceCharacter;
 84  }
 85
 86  public static int getKey()
 87    throws IOException
 88  {
 89    DataInputStream dIS = new DataInputStream(System.in);
 90    Reader kR = new BufferedReader(new InputStreamReader(dIS));
 91    StreamTokenizer kTokens = new StreamTokenizer(kR);
 92
 93    System.out.print("key : ");
 94    System.out.flush();
 95    kTokens.nextToken();
 96    int key = (int) kTokens.nval;
 97
 98    return key;
 99  }
100
101  public static void putKey(final int key,
102                            final boolean found)
103    throws IOException
104  {
105    PrintWriter pW = fileO();
106
107    if(found)
108      pW.println("key "+
109                 key+
110                 " was present in the givenList.");
111    else
112      pW.println("key "+
113                 key+
114                 " was not present in the givenList.");
115
116    pW.close();
117  }
118
119}