/** Copyright (C) 2013 Louis Teboul (a.k.a Androguide)
*
* admin@pimpmyrom.org || louisteboul@gmail.com
* http://pimpmyrom.org || http://androguide.fr
* 71 quai Clémenceau, 69300 Caluire-et-Cuire, FRANCE.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
**/
package com.androguide.apkreator.helpers;
import android.content.Context;
import java.io.File;
import java.lang.reflect.Method;
import dalvik.system.DexFile;
/**
* Class using reflection to grant access to the private hidden android.os.SystemProperties class
*/
public class SystemPropertiesReflection {
/**
* This class cannot be instantiated
*/
private SystemPropertiesReflection() {
}
/**
* Get the value for the given key.
*
* @return an empty string if the key isn't found
* @throws IllegalArgumentException if the key exceeds 32 characters
*/
public static String get(Context context, String key) throws IllegalArgumentException {
String ret = "";
try {
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[1];
paramTypes[0] = String.class;
Method get = SystemProperties.getMethod("get", paramTypes);
//Parameters
Object[] params = new Object[1];
params[0] = new String(key);
ret = (String) get.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
ret = "";
//TODO
}
return ret;
}
/**
* Get the value for the given key.
*
* @return if the key isn't found, return def if it isn't null, or an empty string otherwise
* @throws IllegalArgumentException if the key exceeds 32 characters
*/
public static String get(Context context, String key, String def) throws IllegalArgumentException {
String ret = def;
try {
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[2];
paramTypes[0] = String.class;
paramTypes[1] = String.class;
Method get = SystemProperties.getMethod("get", paramTypes);
//Parameters
Object[] params = new Object[2];
params[0] = new String(key);
params[1] = new String(def);
ret = (String) get.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
ret = def;
//TODO
}
return ret;
}
/**
* Get the value for the given key, and return as an integer.
*
* @param key the key to lookup
* @param def a default value to return
* @return the key parsed as an integer, or def if the key isn't found or
* cannot be parsed
* @throws IllegalArgumentException if the key exceeds 32 characters
*/
public static Integer getInt(Context context, String key, int def) throws IllegalArgumentException {
Integer ret = def;
try {
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[2];
paramTypes[0] = String.class;
paramTypes[1] = int.class;
Method getInt = SystemProperties.getMethod("getInt", paramTypes);
//Parameters
Object[] params = new Object[2];
params[0] = new String(key);
params[1] = new Integer(def);
ret = (Integer) getInt.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
ret = def;
//TODO
}
return ret;
}
/**
* Get the value for the given key, and return as a long.
*
* @param key the key to lookup
* @param def a default value to return
* @return the key parsed as a long, or def if the key isn't found or
* cannot be parsed
* @throws IllegalArgumentException if the key exceeds 32 characters
*/
public static Long getLong(Context context, String key, long def) throws IllegalArgumentException {
Long ret = def;
try {
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[2];
paramTypes[0] = String.class;
paramTypes[1] = long.class;
Method getLong = SystemProperties.getMethod("getLong", paramTypes);
//Parameters
Object[] params = new Object[2];
params[0] = new String(key);
params[1] = new Long(def);
ret = (Long) getLong.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
ret = def;
//TODO
}
return ret;
}
/**
* Get the value for the given key, returned as a boolean.
* Values 'n', 'no', '0', 'false' or 'off' are considered false.
* Values 'y', 'yes', '1', 'true' or 'on' are considered true.
* (case insensitive).
* If the key does not exist, or has any other value, then the default
* result is returned.
*
* @param key the key to lookup
* @param def a default value to return
* @return the key parsed as a boolean, or def if the key isn't found or is
* not able to be parsed as a boolean.
* @throws IllegalArgumentException if the key exceeds 32 characters
*/
public static Boolean getBoolean(Context context, String key, boolean def) throws IllegalArgumentException {
Boolean ret = def;
try {
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = cl.loadClass("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[2];
paramTypes[0] = String.class;
paramTypes[1] = boolean.class;
Method getBoolean = SystemProperties.getMethod("getBoolean", paramTypes);
//Parameters
Object[] params = new Object[2];
params[0] = new String(key);
params[1] = new Boolean(def);
ret = (Boolean) getBoolean.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
ret = def;
//TODO
}
return ret;
}
/**
* Set the value for the given key.
*
* @throws IllegalArgumentException if the key exceeds 32 characters
* @throws IllegalArgumentException if the value exceeds 92 characters
*/
public static void set(Context context, String key, String val) throws IllegalArgumentException {
try {
@SuppressWarnings("unused")
DexFile df = new DexFile(new File("/system/app/Settings.apk"));
@SuppressWarnings("unused")
ClassLoader cl = context.getClassLoader();
@SuppressWarnings("rawtypes")
Class SystemProperties = Class.forName("android.os.SystemProperties");
//Parameters Types
@SuppressWarnings("rawtypes")
Class[] paramTypes = new Class[2];
paramTypes[0] = String.class;
paramTypes[1] = String.class;
Method set = SystemProperties.getMethod("set", paramTypes);
//Parameters
Object[] params = new Object[2];
params[0] = new String(key);
params[1] = new String(val);
set.invoke(SystemProperties, params);
} catch (IllegalArgumentException iAE) {
throw iAE;
} catch (Exception e) {
//TODO
}
}
}