src/main/java/net/jaekl/squelch/db/Setting.java

   1 package net.jaekl.squelch.db;
   2
   3 import java.util.Locale;
   4
   5 public class Setting {
   6         private String m_name;
   7         private Class<?> m_type;
   8         private Object m_value;
   9
  10         public Setting(String name, Class<?> type, Object defaultValue)
  11         {
  12                 m_name = name;
  13                 m_type = type;
  14                 m_value = defaultValue;
  15         }
  16
  17         public String getName() { return m_name; }
  18
  19         public boolean getBoolean()
  20         {
  21                 assert(Boolean.class == m_type);
  22
  23                 if (m_value instanceof Boolean) {
  24                         return ((Boolean)m_value).booleanValue();
  25                 }
  26                 return false;
  27         }
  28
  29         public void set(Object value)
  30         {
  31                 if (Boolean.class == m_type) {
  32                         if (value instanceof String) {
  33                                 m_value = parseBoolean((String)value);
  34                         }
  35                         else if (value instanceof Boolean) {
  36                                 m_value = value;
  37                         }
  38                 }
  39                 else {
  40                         throw new IllegalArgumentException("This type not yet supported.");
  41                 }
  42         }
  43
  44         private boolean parseBoolean(String value)
  45         {
  46                 if (null == value) {
  47                         return false;
  48                 }
  49
  50                 String setting = value.trim().toLowerCase(Locale.CANADA);
  51
  52                 if (setting.equals("yes") || setting.equals("true")  || setting.equals("on")  || setting.equals("1")) {
  53                         return true;
  54                 }
  55                 if (setting.equals("no")  || setting.equals("false") || setting.equals("off") || setting.equals("0")) {
  56                         return false;
  57                 }
  58
  59                 throw new IllegalArgumentException("UnrecognizedBooleanValue:  \"" + value + "\"");
  60         }
  61 }