1 files changed, 135 insertions, 0 deletions
diff --git a/src/com/android/messaging/util/BuglePrefsImpl.java b/src/com/android/messaging/util/BuglePrefsImpl.java
new file mode 100644
index 0000000..7563040
--- /dev/null
+++ b/src/com/android/messaging/util/BuglePrefsImpl.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.messaging.util;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Base64;
+
+/**
+ * Thin wrapper to get/set shared prefs values.
+ */
+public abstract class BuglePrefsImpl extends BuglePrefs {
+
+    private final Context mContext;
+
+    public BuglePrefsImpl(final Context context) {
+        mContext = context;
+    }
+
+    /**
+     * Validate the prefs key passed in. Subclasses should override this as needed to perform
+     * runtime checks (such as making sure per-subscription settings don't sneak into application-
+     * wide settings).
+     */
+    protected void validateKey(String key) {
+    }
+
+    @Override
+    public int getInt(final String key, final int defaultValue) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        return prefs.getInt(key, defaultValue);
+    }
+
+    @Override
+    public long getLong(final String key, final long defaultValue) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        return prefs.getLong(key, defaultValue);
+    }
+
+    @Override
+    public boolean getBoolean(final String key, final boolean defaultValue) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        return prefs.getBoolean(key, defaultValue);
+    }
+
+    @Override
+    public String getString(final String key, final String defaultValue) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        return prefs.getString(key, defaultValue);
+    }
+
+    @Override
+    public byte[] getBytes(String key) {
+        final String byteValue = getString(key, null);
+        return byteValue == null ? null : Base64.decode(byteValue, Base64.DEFAULT);
+    }
+
+    @Override
+    public void putInt(final String key, final int value) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        final SharedPreferences.Editor editor = prefs.edit();
+        editor.putInt(key, value);
+        editor.apply();
+    }
+
+    @Override
+    public void putLong(final String key, final long value) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        final SharedPreferences.Editor editor = prefs.edit();
+        editor.putLong(key, value);
+        editor.apply();
+    }
+
+    @Override
+    public void putBoolean(final String key, final boolean value) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        final SharedPreferences.Editor editor = prefs.edit();
+        editor.putBoolean(key, value);
+        editor.apply();
+    }
+
+    @Override
+    public void putString(final String key, final String value) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        final SharedPreferences.Editor editor = prefs.edit();
+        editor.putString(key, value);
+        editor.apply();
+    }
+
+    @Override
+    public void putBytes(String key, byte[] value) {
+        final String encodedBytes = Base64.encodeToString(value, Base64.DEFAULT);
+        putString(key, encodedBytes);
+    }
+
+    @Override
+    public void remove(final String key) {
+        validateKey(key);
+        final SharedPreferences prefs = mContext.getSharedPreferences(
+                getSharedPreferencesName(), Context.MODE_PRIVATE);
+        final SharedPreferences.Editor editor = prefs.edit();
+        editor.remove(key);
+        editor.apply();
+    }
+}