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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.calendar;
     18 
     19 import android.content.SharedPreferences;
     20 import android.content.SharedPreferences.Editor;
     21 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
     22 
     23 import java.util.HashMap;
     24 import java.util.Map;
     25 import java.util.Set;
     26 
     27 class FakeSharedPreferences implements SharedPreferences, SharedPreferences.Editor {
     28 
     29     private HashMap<String, Object> mValues = new HashMap<String, Object>();
     30     private HashMap<String, Object> mTempValues = new HashMap<String, Object>();
     31 
     32     @Override
     33     public Editor edit() {
     34         return this;
     35     }
     36 
     37     @Override
     38     public boolean contains(String key) {
     39         return mValues.containsKey(key);
     40     }
     41 
     42     @Override
     43     public Map<String, ?> getAll() {
     44         return new HashMap<String, Object>(mValues);
     45     }
     46 
     47     @Override
     48     public boolean getBoolean(String key, boolean defValue) {
     49         if (mValues.containsKey(key)) {
     50             return ((Boolean)mValues.get(key)).booleanValue();
     51         }
     52         return defValue;
     53     }
     54 
     55     @Override
     56     public float getFloat(String key, float defValue) {
     57         if (mValues.containsKey(key)) {
     58             return ((Float)mValues.get(key)).floatValue();
     59         }
     60         return defValue;
     61     }
     62 
     63     @Override
     64     public int getInt(String key, int defValue) {
     65         if (mValues.containsKey(key)) {
     66             return ((Integer)mValues.get(key)).intValue();
     67         }
     68         return defValue;
     69     }
     70 
     71     @Override
     72     public long getLong(String key, long defValue) {
     73         if (mValues.containsKey(key)) {
     74             return ((Long)mValues.get(key)).longValue();
     75         }
     76         return defValue;
     77     }
     78 
     79     @Override
     80     public String getString(String key, String defValue) {
     81         if (mValues.containsKey(key))
     82             return (String)mValues.get(key);
     83         return defValue;
     84     }
     85 
     86     @SuppressWarnings("unchecked")
     87     @Override
     88     public Set<String> getStringSet(String key, Set<String> defValues) {
     89         if (mValues.containsKey(key)) {
     90             return (Set<String>) mValues.get(key);
     91         }
     92         return defValues;
     93     }
     94 
     95     @Override
     96     public void registerOnSharedPreferenceChangeListener(
     97             OnSharedPreferenceChangeListener listener) {
     98         throw new UnsupportedOperationException();
     99     }
    100 
    101     @Override
    102     public void unregisterOnSharedPreferenceChangeListener(
    103             OnSharedPreferenceChangeListener listener) {
    104         throw new UnsupportedOperationException();
    105     }
    106 
    107     @Override
    108     public Editor putBoolean(String key, boolean value) {
    109         mTempValues.put(key, Boolean.valueOf(value));
    110         return this;
    111     }
    112 
    113     @Override
    114     public Editor putFloat(String key, float value) {
    115         mTempValues.put(key, value);
    116         return this;
    117     }
    118 
    119     @Override
    120     public Editor putInt(String key, int value) {
    121         mTempValues.put(key, value);
    122         return this;
    123     }
    124 
    125     @Override
    126     public Editor putLong(String key, long value) {
    127         mTempValues.put(key, value);
    128         return this;
    129     }
    130 
    131     @Override
    132     public Editor putString(String key, String value) {
    133         mTempValues.put(key, value);
    134         return this;
    135     }
    136 
    137     @Override
    138     public Editor putStringSet(String key, Set<String> values) {
    139         mTempValues.put(key, values);
    140         return this;
    141     }
    142 
    143     @Override
    144     public Editor remove(String key) {
    145         mTempValues.remove(key);
    146         return this;
    147     }
    148 
    149     @Override
    150     public Editor clear() {
    151         mTempValues.clear();
    152         return this;
    153     }
    154 
    155     @SuppressWarnings("unchecked")
    156     @Override
    157     public boolean commit() {
    158         mValues = (HashMap<String, Object>)mTempValues.clone();
    159         return true;
    160     }
    161 
    162     @Override
    163     public void apply() {
    164         commit();
    165     }
    166 }