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/*
Copyright_License {
XCSoar Glide Computer - http://www.xcsoar.org/
Copyright (C) 2000-2013 The XCSoar Project
A detailed list of copyright holders can be found in the file "AUTHORS".
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
*/
#include "Environment.hxx"
#include "java/Class.hxx"
#include "java/String.hxx"
#include "java/File.hxx"
#include "util/StringUtil.hxx"
namespace Environment {
static Java::TrivialClass cls;
static jmethodID getExternalStorageDirectory_method;
static jmethodID getExternalStoragePublicDirectory_method;
static jstring getExternalStorageDirectory(JNIEnv *env);
};
void
Environment::Initialise(JNIEnv *env)
{
cls.Find(env, "android/os/Environment");
getExternalStorageDirectory_method =
env->GetStaticMethodID(cls, "getExternalStorageDirectory",
"()Ljava/io/File;");
getExternalStoragePublicDirectory_method =
env->GetStaticMethodID(cls, "getExternalStoragePublicDirectory",
"(Ljava/lang/String;)Ljava/io/File;");
}
void
Environment::Deinitialise(JNIEnv *env)
{
cls.Clear(env);
}
static jstring
ToAbsolutePathChecked(JNIEnv *env, jobject file)
{
if (file == nullptr)
return nullptr;
jstring path = Java::File::getAbsolutePath(env, file);
env->DeleteLocalRef(file);
return path;
}
static jstring
Environment::getExternalStorageDirectory(JNIEnv *env)
{
jobject file = env->CallStaticObjectMethod(cls,
getExternalStorageDirectory_method);
return ToAbsolutePathChecked(env, file);
}
char *
Environment::getExternalStorageDirectory(char *buffer, size_t max_size)
{
JNIEnv *env = Java::GetEnv();
jstring value = getExternalStorageDirectory(env);
if (value == nullptr)
return nullptr;
Java::String value2(env, value);
value2.CopyTo(env, buffer, max_size);
return buffer;
}
static jstring
getExternalStoragePublicDirectory(JNIEnv *env, const char *type)
{
if (Environment::getExternalStoragePublicDirectory_method == nullptr)
/* needs API level 8 */
return nullptr;
Java::String type2(env, type);
jobject file = env->CallStaticObjectMethod(Environment::cls,
Environment::getExternalStoragePublicDirectory_method,
type2.Get());
return ToAbsolutePathChecked(env, file);
}
char *
Environment::getExternalStoragePublicDirectory(char *buffer, size_t max_size,
const char *type)
{
JNIEnv *env = Java::GetEnv();
jstring path = ::getExternalStoragePublicDirectory(env, type);
if (path == nullptr)
return nullptr;
Java::String path2(env, path);
path2.CopyTo(env, buffer, max_size);
return buffer;
}
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