mirror of
https://github.com/geometer/FBReaderJ.git
synced 2025-10-03 17:59:33 +02:00
220 lines
9.8 KiB
C++
220 lines
9.8 KiB
C++
/*
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* Copyright (C) 2011-2012 Geometer Plus <contact@geometerplus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include "AndroidUtil.h"
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JavaVM *AndroidUtil::ourJavaVM = 0;
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const char * const AndroidUtil::Class_java_lang_System = "java/lang/System";
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const char * const AndroidUtil::Class_java_util_Collection = "java/util/Collection";
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const char * const AndroidUtil::Class_java_util_Locale = "java/util/Locale";
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const char * const AndroidUtil::Class_java_io_InputStream = "java/io/InputStream";
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const char * const AndroidUtil::Class_java_io_PrintStream = "java/io/PrintStream";
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const char * const AndroidUtil::Class_ZLibrary = "org/geometerplus/zlibrary/core/library/ZLibrary";
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const char * const AndroidUtil::Class_NativeFormatPlugin = "org/geometerplus/fbreader/formats/NativeFormatPlugin";
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const char * const AndroidUtil::Class_PluginCollection = "org/geometerplus/fbreader/formats/PluginCollection";
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const char * const AndroidUtil::Class_Paths = "org/geometerplus/fbreader/Paths";
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const char * const AndroidUtil::Class_ZLFile = "org/geometerplus/zlibrary/core/filesystem/ZLFile";
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const char * const AndroidUtil::Class_Book = "org/geometerplus/fbreader/library/Book";
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const char * const AndroidUtil::Class_Tag = "org/geometerplus/fbreader/library/Tag";
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jobject AndroidUtil::OBJECT_java_lang_System_err;
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jmethodID AndroidUtil::MID_java_util_Collection_toArray;
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jmethodID AndroidUtil::SMID_java_util_Locale_getDefault;
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jmethodID AndroidUtil::MID_java_util_Locale_getLanguage;
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jmethodID AndroidUtil::MID_java_io_InputStream_close;
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jmethodID AndroidUtil::MID_java_io_InputStream_read;
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jmethodID AndroidUtil::MID_java_io_InputStream_skip;
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jmethodID AndroidUtil::MID_java_io_PrintStream_println;
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jmethodID AndroidUtil::SMID_ZLibrary_Instance;
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jmethodID AndroidUtil::MID_ZLibrary_getVersionName;
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jmethodID AndroidUtil::MID_NativeFormatPlugin_init;
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jmethodID AndroidUtil::MID_NativeFormatPlugin_supportedFileType;
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jmethodID AndroidUtil::SMID_PluginCollection_Instance;
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jmethodID AndroidUtil::SMID_ZLFile_createFileByPath;
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jmethodID AndroidUtil::MID_ZLFile_children;
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jmethodID AndroidUtil::MID_ZLFile_exists;
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jmethodID AndroidUtil::MID_ZLFile_getInputStream;
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jmethodID AndroidUtil::MID_ZLFile_getPath;
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jmethodID AndroidUtil::MID_ZLFile_isDirectory;
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jmethodID AndroidUtil::MID_ZLFile_size;
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jmethodID AndroidUtil::SMID_Paths_cacheDirectory;
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jfieldID AndroidUtil::FID_Book_File;
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jmethodID AndroidUtil::MID_Book_getTitle;
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jmethodID AndroidUtil::MID_Book_getLanguage;
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jmethodID AndroidUtil::MID_Book_getEncoding;
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jmethodID AndroidUtil::MID_Book_setTitle;
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jmethodID AndroidUtil::MID_Book_setSeriesInfo;
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jmethodID AndroidUtil::MID_Book_setLanguage;
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jmethodID AndroidUtil::MID_Book_setEncoding;
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jmethodID AndroidUtil::MID_Book_addAuthor;
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jmethodID AndroidUtil::MID_Book_addTag;
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jmethodID AndroidUtil::SMID_Tag_getTag;
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JNIEnv *AndroidUtil::getEnv() {
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JNIEnv *env;
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ourJavaVM->GetEnv((void **)&env, JNI_VERSION_1_2);
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return env;
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}
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#define CHECK_NULL(value) if ((value) == 0) { return false; }
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bool AndroidUtil::init(JavaVM* jvm) {
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ourJavaVM = jvm;
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JNIEnv *env = getEnv();
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jclass cls;
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CHECK_NULL( cls = env->FindClass(Class_java_lang_System) );
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jfieldID field;
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CHECK_NULL( field = env->GetStaticFieldID(cls, "err", "Ljava/io/PrintStream;") );
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CHECK_NULL( OBJECT_java_lang_System_err = env->GetStaticObjectField(cls, field) );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_java_util_Collection) );
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CHECK_NULL( MID_java_util_Collection_toArray = env->GetMethodID(cls, "toArray", "()[Ljava/lang/Object;") );
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//CHECK_NULL( MID_java_util_Collection_add = env->GetMethodID(cls, "add", "(Ljava/lang/Object;)Z") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_java_util_Locale) );
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CHECK_NULL( SMID_java_util_Locale_getDefault = env->GetStaticMethodID(cls, "getDefault", "()Ljava/util/Locale;") );
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CHECK_NULL( MID_java_util_Locale_getLanguage = env->GetMethodID(cls, "getLanguage", "()Ljava/lang/String;") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_java_io_InputStream) );
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CHECK_NULL( MID_java_io_InputStream_close = env->GetMethodID(cls, "close", "()V") );
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CHECK_NULL( MID_java_io_InputStream_read = env->GetMethodID(cls, "read", "([BII)I") );
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CHECK_NULL( MID_java_io_InputStream_skip = env->GetMethodID(cls, "skip", "(J)J") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_java_io_PrintStream) );
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CHECK_NULL( MID_java_io_PrintStream_println = env->GetMethodID(cls, "println", "(Ljava/lang/String;)V") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_ZLibrary) );
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CHECK_NULL( SMID_ZLibrary_Instance = env->GetStaticMethodID(cls, "Instance", "()Lorg/geometerplus/zlibrary/core/library/ZLibrary;") );
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CHECK_NULL( MID_ZLibrary_getVersionName = env->GetMethodID(cls, "getVersionName", "()Ljava/lang/String;") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_NativeFormatPlugin) );
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CHECK_NULL( MID_NativeFormatPlugin_init = env->GetMethodID(cls, "<init>", "(Ljava/lang/String;)V") );
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CHECK_NULL( MID_NativeFormatPlugin_supportedFileType = env->GetMethodID(cls, "supportedFileType", "()Ljava/lang/String;") );
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//CHECK_NULL( SMID_NativeFormatPlugin_createImage = env->GetStaticMethodID(cls, "createImage", "(Ljava/lang/String;Ljava/lang/String;II)Lorg/geometerplus/zlibrary/core/image/ZLImage;") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_PluginCollection) );
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CHECK_NULL( SMID_PluginCollection_Instance = env->GetStaticMethodID(cls, "Instance", "()Lorg/geometerplus/fbreader/formats/PluginCollection;") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_ZLFile) );
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CHECK_NULL( SMID_ZLFile_createFileByPath = env->GetStaticMethodID(cls, "createFileByPath", "(Ljava/lang/String;)Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;") );
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CHECK_NULL( MID_ZLFile_children = env->GetMethodID(cls, "children", "()Ljava/util/List;") );
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CHECK_NULL( MID_ZLFile_exists = env->GetMethodID(cls, "exists", "()Z") );
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CHECK_NULL( MID_ZLFile_isDirectory = env->GetMethodID(cls, "isDirectory", "()Z") );
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CHECK_NULL( MID_ZLFile_getInputStream = env->GetMethodID(cls, "getInputStream", "()Ljava/io/InputStream;") );
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CHECK_NULL( MID_ZLFile_getPath = env->GetMethodID(cls, "getPath", "()Ljava/lang/String;") );
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CHECK_NULL( MID_ZLFile_size = env->GetMethodID(cls, "size", "()J") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_Paths) );
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CHECK_NULL( SMID_Paths_cacheDirectory = env->GetStaticMethodID(cls, "cacheDirectory", "()Ljava/lang/String;") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_Book) );
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CHECK_NULL( FID_Book_File = env->GetFieldID(cls, "File", "Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;") );
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CHECK_NULL( MID_Book_getTitle = env->GetMethodID(cls, "getTitle", "()Ljava/lang/String;") );
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CHECK_NULL( MID_Book_getLanguage = env->GetMethodID(cls, "getLanguage", "()Ljava/lang/String;") );
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CHECK_NULL( MID_Book_getEncoding = env->GetMethodID(cls, "getEncoding", "()Ljava/lang/String;") );
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CHECK_NULL( MID_Book_setTitle = env->GetMethodID(cls, "setTitle", "(Ljava/lang/String;)V") );
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CHECK_NULL( MID_Book_setSeriesInfo = env->GetMethodID(cls, "setSeriesInfo", "(Ljava/lang/String;F)V") );
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CHECK_NULL( MID_Book_setLanguage = env->GetMethodID(cls, "setLanguage", "(Ljava/lang/String;)V") );
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CHECK_NULL( MID_Book_setEncoding = env->GetMethodID(cls, "setEncoding", "(Ljava/lang/String;)V") );
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CHECK_NULL( MID_Book_addAuthor = env->GetMethodID(cls, "addAuthor", "(Ljava/lang/String;Ljava/lang/String;)V") );
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CHECK_NULL( MID_Book_addTag = env->GetMethodID(cls, "addTag", "(Lorg/geometerplus/fbreader/library/Tag;)V") );
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env->DeleteLocalRef(cls);
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CHECK_NULL( cls = env->FindClass(Class_Tag) );
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CHECK_NULL( SMID_Tag_getTag = env->GetStaticMethodID(cls, "getTag", "(Lorg/geometerplus/fbreader/library/Tag;Ljava/lang/String;)Lorg/geometerplus/fbreader/library/Tag;") );
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env->DeleteLocalRef(cls);
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return true;
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}
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jobject AndroidUtil::createZLFile(JNIEnv *env, const std::string &path) {
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jstring javaPath = env->NewStringUTF(path.c_str());
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jclass cls = env->FindClass(Class_ZLFile);
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jobject javaFile = env->CallStaticObjectMethod(cls, SMID_ZLFile_createFileByPath, javaPath);
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env->DeleteLocalRef(cls);
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env->DeleteLocalRef(javaPath);
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return javaFile;
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}
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bool AndroidUtil::extractJavaString(JNIEnv *env, jstring from, std::string &to) {
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if (from == 0) {
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return false;
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}
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const char *data = env->GetStringUTFChars(from, 0);
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to.assign(data);
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env->ReleaseStringUTFChars(from, data);
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return true;
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}
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jstring AndroidUtil::createJavaString(JNIEnv* env, const std::string &str) {
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if (str.empty()) {
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return 0;
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}
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return env->NewStringUTF(str.c_str());
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}
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std::string AndroidUtil::convertNonUtfString(const std::string &str) {
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const int len = str.length();
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if (len == 0) {
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return str;
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}
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JNIEnv *env = getEnv();
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std::string result;
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jchar *chars = new jchar[len];
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for (int i = 0; i < len; ++i) {
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chars[i] = str[i];
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}
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jstring javaString = env->NewString(chars, len);
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extractJavaString(env, javaString, result);
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env->DeleteLocalRef(javaString);
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delete[] chars;
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return result;
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}
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void AndroidUtil::throwRuntimeException(JNIEnv *env, const std::string &message) {
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jclass cls = env->FindClass("java/lang/RuntimeException");
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env->ThrowNew(cls, message.c_str());
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}
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