1/*
2 * Copyright (C) 2015 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 */
16package com.android.messaging.sms;
17
18import java.lang.reflect.InvocationTargetException;
19import java.lang.reflect.Method;
20
21/**
22 * Hacky way to call the hidden SystemProperties class API
23 */
24class SystemProperties {
25    private static Method sSystemPropertiesGetMethod = null;
26
27    public static String get(final String name) {
28        if (sSystemPropertiesGetMethod == null) {
29            try {
30                final Class systemPropertiesClass = Class.forName("android.os.SystemProperties");
31                if (systemPropertiesClass != null) {
32                    sSystemPropertiesGetMethod =
33                            systemPropertiesClass.getMethod("get", String.class);
34                }
35            } catch (final ClassNotFoundException e) {
36                // Nothing to do
37            } catch (final NoSuchMethodException e) {
38                // Nothing to do
39            }
40        }
41        if (sSystemPropertiesGetMethod != null) {
42            try {
43                return (String) sSystemPropertiesGetMethod.invoke(null, name);
44            } catch (final IllegalArgumentException e) {
45                // Nothing to do
46            } catch (final IllegalAccessException e) {
47                // Nothing to do
48            } catch (final InvocationTargetException e) {
49                // Nothing to do
50            }
51        }
52        return null;
53    }
54}
55