workspace/EverMemo/src/com/yuji/em/utility/PrefUtilImpl.java

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