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Code Issues Releases Wiki Activity

Constructor class

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This commit is contained in:
Nikolay Pultsin 2012-03-30 21:04:30 +01:00
parent 3f2836844e
commit 4f6ef22b33
5 changed files with 48 additions and 26 deletions
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8
jni/NativeFormats/JavaPluginCollection.cpp
View file

@ -17,11 +17,10 @@
* 02110-1301, USA.
*/
#include <jni.h>
#include <vector>
#include <AndroidUtil.h>
#include <JniEnvelope.h>
#include "fbreader/src/formats/FormatPlugin.h"
@ -29,18 +28,17 @@ extern "C"
JNIEXPORT jobjectArray JNICALL Java_org_geometerplus_fbreader_formats_PluginCollection_nativePlugins(JNIEnv* env, jobject thiz) {
const std::vector<shared_ptr<FormatPlugin> > plugins = PluginCollection::Instance().plugins();
const size_t size = plugins.size();
jclass cls = env->FindClass(AndroidUtil::Class_NativeFormatPlugin);
jclass cls = AndroidUtil::Class_NativeFormatPlugin->j();
// TODO: memory leak?
jobjectArray javaPlugins = env->NewObjectArray(size, cls, 0);
for (size_t i = 0; i < size; ++i) {
jstring fileType = AndroidUtil::createJavaString(env, plugins[i]->supportedFileType());
jobject p = env->NewObject(cls, AndroidUtil::MID_NativeFormatPlugin_init, fileType);
jobject p = AndroidUtil::Constructor_NativeFormatPlugin->call(fileType);
env->SetObjectArrayElement(javaPlugins, i, p);
env->DeleteLocalRef(p);
env->DeleteLocalRef(fileType);
}
env->DeleteLocalRef(cls);
return javaPlugins;
}

25
jni/NativeFormats/util/AndroidUtil.cpp
View file

@ -30,14 +30,14 @@ const char * const AndroidUtil::Class_java_util_Collection = "java/util/Collecti
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_ZLibrary = "org/geometerplus/zlibrary/core/library/ZLibrary";
const char * const AndroidUtil::Class_NativeFormatPlugin = "org/geometerplus/fbreader/formats/NativeFormatPlugin";
shared_ptr<JavaClass> AndroidUtil::Class_NativeFormatPlugin;
const char * const AndroidUtil::Class_PluginCollection = "org/geometerplus/fbreader/formats/PluginCollection";
const char * const AndroidUtil::Class_Encoding = "org/geometerplus/zlibrary/core/encodings/Encoding";
const char * const AndroidUtil::Class_EncodingConverter = "org/geometerplus/zlibrary/core/encodings/EncodingConverter";
const char * const AndroidUtil::Class_JavaEncodingCollection = "org/geometerplus/zlibrary/core/encodings/JavaEncodingCollection";
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_ZLFileImage = "org/geometerplus/zlibrary/core/image/ZLFileImage";
shared_ptr<JavaClass> AndroidUtil::Class_ZLFileImage;
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";
@ -58,7 +58,7 @@ shared_ptr<LongMethod> AndroidUtil::Method_java_io_InputStream_skip;
shared_ptr<StaticObjectMethod> AndroidUtil::StaticMethod_ZLibrary_Instance;
shared_ptr<StringMethod> AndroidUtil::Method_ZLibrary_getVersionName;
jmethodID AndroidUtil::MID_NativeFormatPlugin_init;
shared_ptr<Constructor> AndroidUtil::Constructor_NativeFormatPlugin;
shared_ptr<StringMethod> AndroidUtil::Method_NativeFormatPlugin_supportedFileType;
shared_ptr<StaticObjectMethod> AndroidUtil::StaticMethod_PluginCollection_Instance;
@ -82,7 +82,7 @@ shared_ptr<StringMethod> AndroidUtil::Method_ZLFile_getPath;
shared_ptr<BooleanMethod> AndroidUtil::Method_ZLFile_isDirectory;
shared_ptr<LongMethod> AndroidUtil::Method_ZLFile_size;
jmethodID AndroidUtil::MID_ZLFileImage_init;
shared_ptr<Constructor> AndroidUtil::Constructor_ZLFileImage;
shared_ptr<StaticObjectMethod> AndroidUtil::StaticMethod_Paths_cacheDirectory;
@ -149,10 +149,9 @@ bool AndroidUtil::init(JavaVM* jvm) {
Method_ZLibrary_getVersionName = new StringMethod(env, cls, "getVersionName", "()");
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_NativeFormatPlugin) );
CHECK_NULL( MID_NativeFormatPlugin_init = env->GetMethodID(cls, "<init>", "(Ljava/lang/String;)V") );
Method_NativeFormatPlugin_supportedFileType = new StringMethod(env, cls, "supportedFileType", "()");
env->DeleteLocalRef(cls);
Class_NativeFormatPlugin = new JavaClass(env, "org/geometerplus/fbreader/formats/NativeFormatPlugin");
Constructor_NativeFormatPlugin = new Constructor(*Class_NativeFormatPlugin, "(Ljava/lang/String;)V");
Method_NativeFormatPlugin_supportedFileType = new StringMethod(*Class_NativeFormatPlugin, "supportedFileType", "()");
CHECK_NULL( cls = env->FindClass(Class_PluginCollection) );
StaticMethod_PluginCollection_Instance = new StaticObjectMethod(env, cls, "Instance", "org/geometerplus/fbreader/formats/PluginCollection", "()");
@ -185,9 +184,8 @@ bool AndroidUtil::init(JavaVM* jvm) {
Method_ZLFile_size = new LongMethod(env, cls, "size", "()");
env->DeleteLocalRef(cls);
CHECK_NULL( cls = env->FindClass(Class_ZLFileImage) );
CHECK_NULL( MID_ZLFileImage_init = env->GetMethodID(cls, "<init>", "(Ljava/lang/String;Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;Ljava/lang/String;II)V") );
env->DeleteLocalRef(cls);
Class_ZLFileImage = new JavaClass(env, "org/geometerplus/zlibrary/core/image/ZLFileImage");
Constructor_ZLFileImage = new Constructor(*Class_ZLFileImage, "(Ljava/lang/String;Lorg/geometerplus/zlibrary/core/filesystem/ZLFile;Ljava/lang/String;II)V");
CHECK_NULL( cls = env->FindClass(Class_Paths) );
StaticMethod_Paths_cacheDirectory = new StaticObjectMethod(env, cls, "cacheDirectory", "java/lang/String", "()");
@ -244,14 +242,11 @@ jobject AndroidUtil::createJavaImage(JNIEnv *env, const ZLFileImage &image) {
jobject javaFile = createJavaFile(env, image.file().path());
jstring javaEncoding = createJavaString(env, image.encoding());
jclass cls = env->FindClass(Class_ZLFileImage);
jobject javaImage = env->NewObject(
cls, MID_ZLFileImage_init,
jobject javaImage = Constructor_ZLFileImage->call(
javaMimeType, javaFile, javaEncoding,
image.offset(), image.size()
);
env->DeleteLocalRef(cls);
env->DeleteLocalRef(javaEncoding);
env->DeleteLocalRef(javaFile);
env->DeleteLocalRef(javaMimeType);

9
jni/NativeFormats/util/AndroidUtil.h
View file

@ -28,6 +28,7 @@
#include <shared_ptr.h>
class JavaClass;
class Constructor;
class VoidMethod;
class IntMethod;
class LongMethod;
@ -51,8 +52,8 @@ public:
static const char * const Class_java_io_InputStream;
static const char * const Class_ZLibrary;
static const char * const Class_ZLFile;
static const char * const Class_ZLFileImage;
static const char * const Class_NativeFormatPlugin;
static shared_ptr<JavaClass> Class_ZLFileImage;
static shared_ptr<JavaClass> Class_NativeFormatPlugin;
static const char * const Class_PluginCollection;
static const char * const Class_Encoding;
static const char * const Class_EncodingConverter;
@ -86,9 +87,9 @@ public:
static shared_ptr<BooleanMethod> Method_ZLFile_isDirectory;
static shared_ptr<LongMethod> Method_ZLFile_size;
static jmethodID MID_ZLFileImage_init;
static shared_ptr<Constructor> Constructor_ZLFileImage;
static jmethodID MID_NativeFormatPlugin_init;
static shared_ptr<Constructor> Constructor_NativeFormatPlugin;
static shared_ptr<StringMethod> Method_NativeFormatPlugin_supportedFileType;
static shared_ptr<StaticObjectMethod> StaticMethod_PluginCollection_Instance;

12
jni/NativeFormats/util/JniEnvelope.cpp
View file

@ -33,6 +33,18 @@ JavaClass::~JavaClass() {
myEnv->DeleteGlobalRef(myClass);
}
Constructor::Constructor(const JavaClass &cls, const std::string &signature) : myClass(cls) {
myId = cls.myEnv->GetMethodID(cls.j(), "<init>", signature.c_str());
}
jobject Constructor::call(...) {
va_list lst;
va_start(lst, this);
jobject obj = myClass.myEnv->NewObjectV(myClass.j(), myId, lst);
va_end(lst);
return obj;
}
Method::Method(JNIEnv *env, jclass cls, const std::string &name, const std::string &signature) : myName(name) {
//ZLLogger::Instance().registerClass(JNI_LOGGER_CLASS);
myEnv = env;

20
jni/NativeFormats/util/JniEnvelope.h
View file

@ -29,7 +29,7 @@ class JavaClass {
public:
JavaClass(JNIEnv *env, const std::string &name);
~JavaClass();
jclass j();
jclass j() const;
private:
JavaClass(const JavaClass&);
@ -42,6 +42,22 @@ private:
friend class Method;
friend class StaticMethod;
friend class Constructor;
};
class Constructor {
public:
Constructor(const JavaClass &cls, const std::string &signature);
jobject call(...);
private:
Constructor(const Constructor&);
const Constructor &operator = (const Constructor&);
protected:
const JavaClass &myClass;
jmethodID myId;
};
class Method {
@ -127,6 +143,6 @@ public:
jobject call(jclass cls, ...);
};
inline jclass JavaClass::j() { return myClass; }
inline jclass JavaClass::j() const { return myClass; }
#endif /* __JNIENVELOPE_H__ */