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Code Issues Releases Wiki Activity
FBReaderJ/jni/NativeFormats/util/AndroidUtil.cpp
Nikolay Pultsin ff57580c22 fixed seg.fault
2012-03-16 18:27:37 +00:00

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/*
* Copyright (C) 2011-2012 Geometer Plus <contact@geometerplus.com>
*
* 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.
*/
#include "AndroidUtil.h"
JavaVM *AndroidUtil::ourJavaVM = 0;
const char * const AndroidUtil::Class_java_lang_System = "java/lang/System";
const char * const AndroidUtil::Class_java_lang_String = "java/lang/String";
const char * const AndroidUtil::Class_java_util_Collection = "java/util/Collection";
const char * const AndroidUtil::Class_java_util_Locale = "java/util/Locale";
const char * const AndroidUtil::Class_java_io_InputStream = "java/io/InputStream";
const char * const AndroidUtil::Class_java_io_PrintStream = "java/io/PrintStream";
const char * const AndroidUtil::Class_ZLibrary = "org/geometerplus/zlibrary/core/library/ZLibrary";
const char * const AndroidUtil::Class_NativeFormatPlugin = "org/geometerplus/fbreader/formats/NativeFormatPlugin";
const char * const AndroidUtil::Class_PluginCollection = "org/geometerplus/fbreader/formats/PluginCollection";
const char * const AndroidUtil::Class_Paths = "org/geometerplus/fbreader/Paths";
const char * const AndroidUtil::Class_ZLFile = "org/geometerplus/zlibrary/core/filesystem/ZLFile";
const char * const AndroidUtil::Class_Book = "org/geometerplus/fbreader/library/Book";
const char * const AndroidUtil::Class_Tag = "org/geometerplus/fbreader/library/Tag";
const char * const AndroidUtil::Class_NativeBookModel = "org/geometerplus/fbreader/bookmodel/NativeBookModel";
jobject AndroidUtil::OBJECT_java_lang_System_err;
jmethodID AndroidUtil::MID_java_lang_String_toLowerCase;
jmethodID AndroidUtil::MID_java_lang_String_toUpperCase;
jmethodID AndroidUtil::MID_java_util_Collection_toArray;
jmethodID AndroidUtil::SMID_java_util_Locale_getDefault;
jmethodID AndroidUtil::MID_java_util_Locale_getLanguage;
jmethodID AndroidUtil::MID_java_io_InputStream_close;
jmethodID AndroidUtil::MID_java_io_InputStream_read;
jmethodID AndroidUtil::MID_java_io_InputStream_skip;
jmethodID AndroidUtil::MID_java_io_PrintStream_println;
jmethodID AndroidUtil::SMID_ZLibrary_Instance;
jmethodID AndroidUtil::MID_ZLibrary_getVersionName;
jmethodID AndroidUtil::MID_NativeFormatPlugin_init;
jmethodID AndroidUtil::MID_NativeFormatPlugin_supportedFileType;
jmethodID AndroidUtil::SMID_PluginCollection_Instance;
jmethodID AndroidUtil::SMID_ZLFile_createFileByPath;
jmethodID AndroidUtil::MID_ZLFile_children;
jmethodID AndroidUtil::MID_ZLFile_exists;
jmethodID AndroidUtil::MID_ZLFile_getInputStream;
jmethodID AndroidUtil::MID_ZLFile_getPath;
jmethodID AndroidUtil::MID_ZLFile_isDirectory;
jmethodID AndroidUtil::MID_ZLFile_size;
jmethodID AndroidUtil::SMID_Paths_cacheDirectory;
jfieldID AndroidUtil::FID_Book_File;
jmethodID AndroidUtil::MID_Book_getTitle;
jmethodID AndroidUtil::MID_Book_getLanguage;
jmethodID AndroidUtil::MID_Book_getEncoding;
jmethodID AndroidUtil::MID_Book_setTitle;
jmethodID AndroidUtil::MID_Book_setSeriesInfo;
jmethodID AndroidUtil::MID_Book_setLanguage;
jmethodID AndroidUtil::MID_Book_setEncoding;
jmethodID AndroidUtil::MID_Book_addAuthor;
jmethodID AndroidUtil::MID_Book_addTag;
jmethodID AndroidUtil::SMID_Tag_getTag;
jfieldID AndroidUtil::FID_NativeBookModel_Book;
jmethodID AndroidUtil::MID_NativeBookModel_initImageMap;
jmethodID AndroidUtil::MID_NativeBookModel_initInternalHyperlinks;
jmethodID AndroidUtil::MID_NativeBookModel_initTOC;
jmethodID AndroidUtil::MID_NativeBookModel_createTextModel;
jmethodID AndroidUtil::MID_NativeBookModel_setBookTextModel;
jmethodID AndroidUtil::MID_NativeBookModel_setFootnoteModel;
JNIEnv *AndroidUtil::getEnv() {
JNIEnv *env;
ourJavaVM->GetEnv((void **)&env, JNI_VERSION_1_2);
return env;
}
#define CHECK_NULL(value) if ((value) == 0) { return false; }
bool AndroidUtil::init(JavaVM* jvm) {
ourJavaVM = jvm;
JNIEnv *env = getEnv();
jclass cls;
CHECK_NULL( cls = env->FindClass(Class_java_lang_System) );
jfieldID field;
CHECK_NULL( field = env->GetStaticFieldID(cls, "err", "Ljava/io/PrintStream;") );
CHECK_NULL( OBJECT_java_lang_System_err = env->GetStaticObjectField(cls, field) );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_java_lang_String) );
CHECK_NULL( MID_java_lang_String_toLowerCase = env->GetMethodID(cls, "toLowerCase", "()Ljava/lang/String;") );
CHECK_NULL( MID_java_lang_String_toUpperCase = env->GetMethodID(cls, "toUpperCase", "()Ljava/lang/String;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_java_util_Collection) );
CHECK_NULL( MID_java_util_Collection_toArray = env->GetMethodID(cls, "toArray", "()[Ljava/lang/Object;") );
//CHECK_NULL( MID_java_util_Collection_add = env->GetMethodID(cls, "add", "(Ljava/lang/Object;)Z") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_java_util_Locale) );
CHECK_NULL( SMID_java_util_Locale_getDefault = env->GetStaticMethodID(cls, "getDefault", "()Ljava/util/Locale;") );
CHECK_NULL( MID_java_util_Locale_getLanguage = env->GetMethodID(cls, "getLanguage", "()Ljava/lang/String;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_java_io_InputStream) );
CHECK_NULL( MID_java_io_InputStream_close = env->GetMethodID(cls, "close", "()V") );
CHECK_NULL( MID_java_io_InputStream_read = env->GetMethodID(cls, "read", "([BII)I") );
CHECK_NULL( MID_java_io_InputStream_skip = env->GetMethodID(cls, "skip", "(J)J") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_java_io_PrintStream) );
CHECK_NULL( MID_java_io_PrintStream_println = env->GetMethodID(cls, "println", "(Ljava/lang/String;)V") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_ZLibrary) );
CHECK_NULL( SMID_ZLibrary_Instance = env->GetStaticMethodID(cls, "Instance", "()Lorg/geometerplus/zlibrary/core/library/ZLibrary;") );
CHECK_NULL( MID_ZLibrary_getVersionName = env->GetMethodID(cls, "getVersionName", "()Ljava/lang/String;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_NativeFormatPlugin) );
CHECK_NULL( MID_NativeFormatPlugin_init = env->GetMethodID(cls, "<init>", "(Ljava/lang/String;)V") );
CHECK_NULL( MID_NativeFormatPlugin_supportedFileType = env->GetMethodID(cls, "supportedFileType", "()Ljava/lang/String;") );
//CHECK_NULL( SMID_NativeFormatPlugin_createImage = env->GetStaticMethodID(cls, "createImage", "(Ljava/lang/String;Ljava/lang/String;II)Lorg/geometerplus/zlibrary/core/image/ZLImage;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_PluginCollection) );
CHECK_NULL( SMID_PluginCollection_Instance = env->GetStaticMethodID(cls, "Instance", "()Lorg/geometerplus/fbreader/formats/PluginCollection;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_ZLFile) );
CHECK_NULL( SMID_ZLFile_createFileByPath = env->GetStaticMethodID(cls, "createFileByPath", "(Ljava/lang/String;)Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;") );
CHECK_NULL( MID_ZLFile_children = env->GetMethodID(cls, "children", "()Ljava/util/List;") );
CHECK_NULL( MID_ZLFile_exists = env->GetMethodID(cls, "exists", "()Z") );
CHECK_NULL( MID_ZLFile_isDirectory = env->GetMethodID(cls, "isDirectory", "()Z") );
CHECK_NULL( MID_ZLFile_getInputStream = env->GetMethodID(cls, "getInputStream", "()Ljava/io/InputStream;") );
CHECK_NULL( MID_ZLFile_getPath = env->GetMethodID(cls, "getPath", "()Ljava/lang/String;") );
CHECK_NULL( MID_ZLFile_size = env->GetMethodID(cls, "size", "()J") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_Paths) );
CHECK_NULL( SMID_Paths_cacheDirectory = env->GetStaticMethodID(cls, "cacheDirectory", "()Ljava/lang/String;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_Book) );
CHECK_NULL( FID_Book_File = env->GetFieldID(cls, "File", "Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;") );
CHECK_NULL( MID_Book_getTitle = env->GetMethodID(cls, "getTitle", "()Ljava/lang/String;") );
CHECK_NULL( MID_Book_getLanguage = env->GetMethodID(cls, "getLanguage", "()Ljava/lang/String;") );
CHECK_NULL( MID_Book_getEncoding = env->GetMethodID(cls, "getEncoding", "()Ljava/lang/String;") );
CHECK_NULL( MID_Book_setTitle = env->GetMethodID(cls, "setTitle", "(Ljava/lang/String;)V") );
CHECK_NULL( MID_Book_setSeriesInfo = env->GetMethodID(cls, "setSeriesInfo", "(Ljava/lang/String;F)V") );
CHECK_NULL( MID_Book_setLanguage = env->GetMethodID(cls, "setLanguage", "(Ljava/lang/String;)V") );
CHECK_NULL( MID_Book_setEncoding = env->GetMethodID(cls, "setEncoding", "(Ljava/lang/String;)V") );
CHECK_NULL( MID_Book_addAuthor = env->GetMethodID(cls, "addAuthor", "(Ljava/lang/String;Ljava/lang/String;)V") );
CHECK_NULL( MID_Book_addTag = env->GetMethodID(cls, "addTag", "(Lorg/geometerplus/fbreader/library/Tag;)V") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_Tag) );
CHECK_NULL( SMID_Tag_getTag = env->GetStaticMethodID(cls, "getTag", "(Lorg/geometerplus/fbreader/library/Tag;Ljava/lang/String;)Lorg/geometerplus/fbreader/library/Tag;") );
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_NativeBookModel) );
CHECK_NULL( FID_NativeBookModel_Book = env->GetFieldID(cls, "Book", "Lorg/geometerplus/fbreader/library/Book;") );
CHECK_NULL( MID_NativeBookModel_initImageMap = env->GetMethodID(cls, "initImageMap", "([Ljava/lang/String;[I[ILjava/lang/String;Ljava/lang/String;I)V") );
CHECK_NULL( MID_NativeBookModel_initInternalHyperlinks = env->GetMethodID(cls, "initInternalHyperlinks", "(Ljava/lang/String;Ljava/lang/String;I)V") );
CHECK_NULL( MID_NativeBookModel_initTOC = env->GetMethodID(cls, "initTOC", "(Lorg/geometerplus/zlibrary/text/model/ZLTextModel;[I[I)V") );
CHECK_NULL( MID_NativeBookModel_createTextModel = env->GetMethodID(cls, "createTextModel", "(Ljava/lang/String;Ljava/lang/String;I[I[I[I[I[BLjava/lang/String;Ljava/lang/String;I)Lorg/geometerplus/zlibrary/text/model/ZLTextModel;") );
CHECK_NULL( MID_NativeBookModel_setBookTextModel = env->GetMethodID(cls, "setBookTextModel", "(Lorg/geometerplus/zlibrary/text/model/ZLTextModel;)V") );
CHECK_NULL( MID_NativeBookModel_setFootnoteModel = env->GetMethodID(cls, "setFootnoteModel", "(Lorg/geometerplus/zlibrary/text/model/ZLTextModel;)V") );
env->DeleteLocalRef(cls);
return true;
}
jobject AndroidUtil::createZLFile(JNIEnv *env, const std::string &path) {
jstring javaPath = env->NewStringUTF(path.c_str());
jclass cls = env->FindClass(Class_ZLFile);
jobject javaFile = env->CallStaticObjectMethod(cls, SMID_ZLFile_createFileByPath, javaPath);
env->DeleteLocalRef(cls);
env->DeleteLocalRef(javaPath);
return javaFile;
}
std::string AndroidUtil::fromJavaString(JNIEnv *env, jstring from) {
if (from == 0) {
return std::string();
}
const char *data = env->GetStringUTFChars(from, 0);
const std::string result(data);
env->ReleaseStringUTFChars(from, data);
return result;
}
jstring AndroidUtil::createJavaString(JNIEnv* env, const std::string &str) {
if (str.empty()) {
return 0;
}
return env->NewStringUTF(str.c_str());
}
std::string AndroidUtil::convertNonUtfString(const std::string &str) {
const int len = str.length();
if (len == 0) {
return str;
}
JNIEnv *env = getEnv();
jchar *chars = new jchar[len];
for (int i = 0; i < len; ++i) {
chars[i] = str[i];
}
jstring javaString = env->NewString(chars, len);
const std::string result = fromJavaString(env, javaString);
env->DeleteLocalRef(javaString);
delete[] chars;
return result;
}
jintArray AndroidUtil::createIntArray(JNIEnv *env, const std::vector<jint> &data) {
size_t size = data.size();
jintArray array = env->NewIntArray(size);
env->SetIntArrayRegion(array, 0, size, &data.front());
return array;
}
jbyteArray AndroidUtil::createByteArray(JNIEnv *env, const std::vector<jbyte> &data) {
size_t size = data.size();
jbyteArray array = env->NewByteArray(size);
env->SetByteArrayRegion(array, 0, size, &data.front());
return array;
}
jobjectArray AndroidUtil::createStringArray(JNIEnv *env, const std::vector<std::string> &data) {
size_t size = data.size();
jclass cls = env->FindClass("java/lang/String");
jobjectArray array = env->NewObjectArray(size, cls, 0);
for (size_t i = 0; i < size; ++i) {
const std::string &str = data[i];
if (str.length() > 0) {
jstring javaStr = env->NewStringUTF(str.c_str());
env->SetObjectArrayElement(array, i, javaStr);
env->DeleteLocalRef(javaStr);
}
}
return array;
}
void AndroidUtil::throwRuntimeException(JNIEnv *env, const std::string &message) {
jclass cls = env->FindClass("java/lang/RuntimeException");
env->ThrowNew(cls, message.c_str());
}
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