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virtualx-engine/platform/android/file_access_jandroid.cpp
Ruslan Mustakov 1a2311e350 Extract logging logic 
Previously logging logic was scattered over OS class implementations
with plenty of duplication. Major changes in this commit:

 - Extracted logging logic into a separate Logger hierarchy. It allows
   easy configuration of logging mechanism depending on compile-time or
   run-time configuration.

 - Implemented RotatedFileLogger which is usually used with StdLogger,
   providing persistency of logs. It is often important to be able to
   obtain logs of the game even in production to be able to understand
   what happened prior to some problem. On mobile there previously was
   no way to obtain the logs aside from having the device connected to
   your machine.

 - flush() is not performed in release mode for every logged line. It
   is only performed for errors.
2017-09-25 16:19:21 +07:00

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/*************************************************************************/
/* file_access_jandroid.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef ANDROID_NATIVE_ACTIVITY
#include "file_access_jandroid.h"
#include "os/os.h"
#include "thread_jandroid.h"
#include <unistd.h>
jobject FileAccessJAndroid::io = NULL;
jclass FileAccessJAndroid::cls;
jmethodID FileAccessJAndroid::_file_open = 0;
jmethodID FileAccessJAndroid::_file_get_size = 0;
jmethodID FileAccessJAndroid::_file_seek = 0;
jmethodID FileAccessJAndroid::_file_read = 0;
jmethodID FileAccessJAndroid::_file_tell = 0;
jmethodID FileAccessJAndroid::_file_eof = 0;
jmethodID FileAccessJAndroid::_file_close = 0;
FileAccess *FileAccessJAndroid::create_jandroid() {
return memnew(FileAccessJAndroid);
}
Error FileAccessJAndroid::_open(const String &p_path, int p_mode_flags) {
if (is_open())
close();
String path = fix_path(p_path).simplify_path();
if (path.begins_with("/"))
path = path.substr(1, path.length());
else if (path.begins_with("res://"))
path = path.substr(6, path.length());
JNIEnv *env = ThreadAndroid::get_env();
jstring js = env->NewStringUTF(path.utf8().get_data());
int res = env->CallIntMethod(io, _file_open, js, p_mode_flags & WRITE ? true : false);
env->DeleteLocalRef(js);
OS::get_singleton()->print("fopen: '%s' ret %i\n", path.utf8().get_data(), res);
if (res <= 0)
return ERR_FILE_CANT_OPEN;
id = res;
return OK;
}
void FileAccessJAndroid::close() {
if (!is_open())
return;
JNIEnv *env = ThreadAndroid::get_env();
env->CallVoidMethod(io, _file_close, id);
id = 0;
}
bool FileAccessJAndroid::is_open() const {
return id != 0;
}
void FileAccessJAndroid::seek(size_t p_position) {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND(!is_open());
env->CallVoidMethod(io, _file_seek, id, p_position);
}
void FileAccessJAndroid::seek_end(int64_t p_position) {
ERR_FAIL_COND(!is_open());
seek(get_len());
}
size_t FileAccessJAndroid::get_position() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(), 0);
return env->CallIntMethod(io, _file_tell, id);
}
size_t FileAccessJAndroid::get_len() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(), 0);
return env->CallIntMethod(io, _file_get_size, id);
}
bool FileAccessJAndroid::eof_reached() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(), 0);
return env->CallIntMethod(io, _file_eof, id);
}
uint8_t FileAccessJAndroid::get_8() const {
ERR_FAIL_COND_V(!is_open(), 0);
uint8_t byte;
get_buffer(&byte, 1);
return byte;
}
int FileAccessJAndroid::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!is_open(), 0);
if (p_length == 0)
return 0;
JNIEnv *env = ThreadAndroid::get_env();
jbyteArray jca = (jbyteArray)env->CallObjectMethod(io, _file_read, id, p_length);
int len = env->GetArrayLength(jca);
env->GetByteArrayRegion(jca, 0, len, (jbyte *)p_dst);
env->DeleteLocalRef((jobject)jca);
return len;
}
Error FileAccessJAndroid::get_error() const {
if (eof_reached())
return ERR_FILE_EOF;
return OK;
}
void FileAccessJAndroid::flush() {
}
void FileAccessJAndroid::store_8(uint8_t p_dest) {
}
bool FileAccessJAndroid::file_exists(const String &p_path) {
JNIEnv *env = ThreadAndroid::get_env();
String path = fix_path(p_path).simplify_path();
if (path.begins_with("/"))
path = path.substr(1, path.length());
else if (path.begins_with("res://"))
path = path.substr(6, path.length());
jstring js = env->NewStringUTF(path.utf8().get_data());
int res = env->CallIntMethod(io, _file_open, js, false);
if (res <= 0) {
env->DeleteLocalRef(js);
return false;
}
env->CallVoidMethod(io, _file_close, res);
env->DeleteLocalRef(js);
return true;
}
void FileAccessJAndroid::setup(jobject p_io) {
io = p_io;
JNIEnv *env = ThreadAndroid::get_env();
__android_log_print(ANDROID_LOG_INFO, "godot", "STEP5");
jclass c = env->GetObjectClass(io);
__android_log_print(ANDROID_LOG_INFO, "godot", "STEP6");
cls = (jclass)env->NewGlobalRef(c);
_file_open = env->GetMethodID(cls, "file_open", "(Ljava/lang/String;Z)I");
if (_file_open != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_open ok!!");
}
_file_get_size = env->GetMethodID(cls, "file_get_size", "(I)I");
if (_file_get_size != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_get_size ok!!");
}
_file_tell = env->GetMethodID(cls, "file_tell", "(I)I");
if (_file_tell != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_tell ok!!");
}
_file_eof = env->GetMethodID(cls, "file_eof", "(I)Z");
if (_file_eof != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_eof ok!!");
}
_file_seek = env->GetMethodID(cls, "file_seek", "(II)V");
if (_file_seek != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_seek ok!!");
}
_file_read = env->GetMethodID(cls, "file_read", "(II)[B");
if (_file_read != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_read ok!!");
}
_file_close = env->GetMethodID(cls, "file_close", "(I)V");
if (_file_close != 0) {
__android_log_print(ANDROID_LOG_INFO, "godot", "*******GOT METHOD _file_close ok!!");
}
//(*env)->CallVoidMethod(env,obj,aMethodID, myvar);
}
FileAccessJAndroid::FileAccessJAndroid() {
id = 0;
}
FileAccessJAndroid::~FileAccessJAndroid() {
if (is_open())
close();
}
#endif
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