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/*
* 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.tv.tuner.util;
import android.util.Log;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Proxy class that gives an access to a hidden API {@link android.os.SystemProperties#getBoolean}.
*/
public class SystemPropertiesProxy {
private static final String TAG = "SystemPropertiesProxy";
private SystemPropertiesProxy() { }
public static boolean getBoolean(String key, boolean def)
throws IllegalArgumentException {
try {
Class SystemPropertiesClass = Class.forName("android.os.SystemProperties");
Method getBooleanMethod = SystemPropertiesClass.getDeclaredMethod("getBoolean",
String.class, boolean.class);
getBooleanMethod.setAccessible(true);
return (boolean) getBooleanMethod.invoke(SystemPropertiesClass, key, def);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException
| ClassNotFoundException e) {
Log.e(TAG, "Failed to invoke SystemProperties.getBoolean()", e);
}
return def;
}
public static int getInt(String key, int def)
throws IllegalArgumentException {
try {
Class SystemPropertiesClass = Class.forName("android.os.SystemProperties");
Method getIntMethod = SystemPropertiesClass.getDeclaredMethod("getInt",
String.class, int.class);
getIntMethod.setAccessible(true);
return (int) getIntMethod.invoke(SystemPropertiesClass, key, def);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException
| ClassNotFoundException e) {
Log.e(TAG, "Failed to invoke SystemProperties.getInt()", e);
}
return def;
}
public static String getString(String key, String def) throws IllegalArgumentException {
try {
Class SystemPropertiesClass = Class.forName("android.os.SystemProperties");
Method getIntMethod =
SystemPropertiesClass.getDeclaredMethod("get", String.class, String.class);
getIntMethod.setAccessible(true);
return (String) getIntMethod.invoke(SystemPropertiesClass, key, def);
} catch (InvocationTargetException
| IllegalAccessException
| NoSuchMethodException
| ClassNotFoundException e) {
Log.e(TAG, "Failed to invoke SystemProperties.get()", e);
}
return def;
}
}
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