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      1 /*
      2  * Copyright (C) 2011 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.email;
     18 
     19 import com.google.common.collect.Maps;
     20 
     21 import android.content.SharedPreferences;
     22 
     23 import java.util.HashMap;
     24 import java.util.Map;
     25 import java.util.Set;
     26 
     27 
     28 /**
     29  * A programmable mock content provider.
     30  */
     31 public class MockSharedPreferences implements SharedPreferences, SharedPreferences.Editor {
     32 
     33     private HashMap<String, Object> mValues = Maps.newHashMap();
     34     private HashMap<String, Object> mTempValues = Maps.newHashMap();
     35 
     36     @SuppressWarnings("unchecked")
     37     public Editor edit() {
     38         mTempValues = (HashMap<String, Object>) mValues.clone();
     39         return this;
     40     }
     41 
     42     public boolean contains(String key) {
     43         return mValues.containsKey(key);
     44     }
     45 
     46     public Map<String, ?> getAll() {
     47         return new HashMap<String, Object>(mValues);
     48     }
     49 
     50     public boolean getBoolean(String key, boolean defValue) {
     51         if (mValues.containsKey(key)) {
     52             return ((Boolean)mValues.get(key)).booleanValue();
     53         }
     54         return defValue;
     55     }
     56 
     57     public float getFloat(String key, float defValue) {
     58         if (mValues.containsKey(key)) {
     59             return ((Float)mValues.get(key)).floatValue();
     60         }
     61         return defValue;
     62     }
     63 
     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     public long getLong(String key, long defValue) {
     72         if (mValues.containsKey(key)) {
     73             return ((Long)mValues.get(key)).longValue();
     74         }
     75         return defValue;
     76     }
     77 
     78     public String getString(String key, String defValue) {
     79         if (mValues.containsKey(key))
     80             return (String)mValues.get(key);
     81         return defValue;
     82     }
     83 
     84     @SuppressWarnings("unchecked")
     85     public Set<String> getStringSet(String key, Set<String> defValues) {
     86         if (mValues.containsKey(key)) {
     87             return (Set<String>) mValues.get(key);
     88         }
     89         return defValues;
     90     }
     91 
     92     public void registerOnSharedPreferenceChangeListener(
     93             OnSharedPreferenceChangeListener listener) {
     94         throw new UnsupportedOperationException();
     95     }
     96 
     97     public void unregisterOnSharedPreferenceChangeListener(
     98             OnSharedPreferenceChangeListener listener) {
     99         throw new UnsupportedOperationException();
    100     }
    101 
    102     public Editor putBoolean(String key, boolean value) {
    103         mTempValues.put(key, Boolean.valueOf(value));
    104         return this;
    105     }
    106 
    107     public Editor putFloat(String key, float value) {
    108         mTempValues.put(key, value);
    109         return this;
    110     }
    111 
    112     public Editor putInt(String key, int value) {
    113         mTempValues.put(key, value);
    114         return this;
    115     }
    116 
    117     public Editor putLong(String key, long value) {
    118         mTempValues.put(key, value);
    119         return this;
    120     }
    121 
    122     public Editor putString(String key, String value) {
    123         mTempValues.put(key, value);
    124         return this;
    125     }
    126 
    127     public Editor putStringSet(String key, Set<String> values) {
    128         mTempValues.put(key, values);
    129         return this;
    130     }
    131 
    132     public Editor remove(String key) {
    133         mTempValues.remove(key);
    134         return this;
    135     }
    136 
    137     public Editor clear() {
    138         mTempValues.clear();
    139         return this;
    140     }
    141 
    142     @SuppressWarnings("unchecked")
    143     public boolean commit() {
    144         mValues = (HashMap<String, Object>) mTempValues.clone();
    145         return true;
    146     }
    147 
    148     public void apply() {
    149         commit();
    150     }
    151 }
    152