git.gag.com Git - fw/altos/blob - altoslib/AltosFrequency.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.altoslib_11;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23
  24 public class AltosFrequency implements Serializable {
  25         public double   frequency;
  26         public String   description;
  27
  28         public int hashCode() {
  29                 return new Double(frequency).hashCode();
  30         }
  31
  32         public boolean equals(Object o) {
  33                 if (o == null)
  34                         return false;
  35                 if (!(o instanceof AltosFrequency))
  36                         return false;
  37                 AltosFrequency other = (AltosFrequency) o;
  38                 return other.frequency == frequency;
  39         }
  40
  41         public String toString() {
  42                 return String.format("%7.3f MHz %-20s",
  43                                      frequency, description);
  44         }
  45
  46         public String toShortString() {
  47                 return String.format("%7.3f MHz %s",
  48                                      frequency, description);
  49         }
  50
  51         public String frequency_string() {
  52                 return String.format("%7.3f", frequency);
  53         }
  54
  55         public boolean close(double f) {
  56                 double  diff = Math.abs(frequency - f);
  57
  58                 return diff < 0.010;
  59         }
  60
  61         public AltosHashSet hashSet() {
  62                 AltosHashSet    h = new AltosHashSet();
  63
  64                 h.putDouble("frequency", frequency);
  65                 h.putString("description", description);
  66                 return h;
  67         }
  68
  69         public AltosFrequency(double f, String d) {
  70                 frequency = f;
  71                 description = d;
  72         }
  73
  74         public AltosFrequency(AltosHashSet h) {
  75                 frequency = h.getDouble("frequency", 0.0);
  76                 description = h.getString("description", "");
  77         }
  78 }