workspace/TrainDelayed/src/com/td/utility/PrefUtilImpl.java

   1 package com.td.utility;\r
   2 \r
   3 import android.content.Context;\r
   4 import android.content.SharedPreferences;\r
   5 import android.content.SharedPreferences.Editor;\r
   6 import android.content.pm.PackageManager.NameNotFoundException;\r
   7 \r
   8 public class PrefUtilImpl implements PrefUtil {\r
   9         private Context context;\r
  10         \r
  11         public PrefUtilImpl(Context context){\r
  12                 this.context = context;\r
  13         }\r
  14         \r
  15         public void put(String key, String value) {\r
  16                 // TODO\r
  17 //              SharedPreferences pref = context.getSharedPreferences("com.td",\r
  18 //                              Context.MODE_WORLD_READABLE | Context.MODE_WORLD_WRITEABLE);\r
  19                 SharedPreferences pref = null;\r
  20                 try {\r
  21                         Context ctxt = context.createPackageContext("com.td", 0x02);\r
  22                         pref = ctxt.getSharedPreferences("TrainDelayedActivity",\r
  23                                         Context.MODE_WORLD_READABLE | Context.MODE_WORLD_WRITEABLE);\r
  24                 } catch (NameNotFoundException e) {\r
  25                         // TODO\r
  26                         Debug.l(e.getMessage());\r
  27 \r
  28                         Debug.d(this, null, e);\r
  29                         return;\r
  30                 }\r
  31                 \r
  32                 Editor e = pref.edit();\r
  33                 e.putString(key, value);\r
  34                 e.commit();\r
  35         }\r
  36 \r
  37         public void put(String key, int value) {\r
  38                 put(key, String.valueOf(value));\r
  39         }\r
  40         \r
  41         public String get(String key) {\r
  42                 // TODO\r
  43 //              SharedPreferences pref = context.getSharedPreferences("com.td",\r
  44 //                              Context.MODE_WORLD_READABLE);\r
  45                 SharedPreferences pref = null;\r
  46                 try {\r
  47                         Context ctxt = context.createPackageContext("com.td", 0x02);\r
  48                         pref = ctxt.getSharedPreferences("TrainDelayedActivity",\r
  49                                         Context.MODE_WORLD_READABLE);\r
  50                 } catch (NameNotFoundException e) {\r
  51                         // TODO\r
  52                         Debug.l(e.getMessage());\r
  53 \r
  54                         Debug.d(this, null, e);\r
  55                         return null;\r
  56                 }\r
  57 \r
  58                 return pref.getString(key, null);\r
  59         }\r
  60 \r
  61         public int getInt(String key) {\r
  62                 return Integer.parseInt(get(key));\r
  63         }\r
  64 \r
  65         public String get(String key, String initValue) {\r
  66                 String value = get(key);\r
  67                 if (value != null){\r
  68                         return value;\r
  69                 }\r
  70                 put(key, initValue);\r
  71                 return initValue;\r
  72         }\r
  73         \r
  74         public int getInt(String key, int initValue) {\r
  75                 return Integer.valueOf(get(key, String.valueOf(initValue)));\r
  76         }\r
  77         \r
  78         public void remove(String key){\r
  79                 put(key, null);\r
  80         }\r
  81 }\r