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/***************************************************************************
* jvmvariant.cpp
* This file is part of the KDE project
*
* copyright (C)2007 by Vincent Verhoeven <verhoevenv@gmail.com>
* copyright (C)2007 by Sebastian Sauer <mail@dipe.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
***************************************************************************/
#include "jvmvariant.h"
#include "jvmexception.h"
#include "jvmextension.h"
#include "jvminterpreter.h"
using namespace Kross;
jobject JavaType<QVariant>::toJObject(const QVariant& v, JNIEnv* env)
{
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toJObject variant.toString=%1 variant.typeid=%2 variant.typeName=%3").arg(v.toString()).arg(v.type()).arg(v.typeName()) );
#endif
switch( v.type() ) {
case QVariant::Int:
return JavaType<int>::toJObject(v.toInt(), env);
case QVariant::UInt:
return JavaType<uint>::toJObject(v.toUInt(), env);
case QVariant::Double:
return JavaType<double>::toJObject(v.toDouble(), env);
case QVariant::ByteArray:
return JavaType<QByteArray>::toJObject(v.toByteArray(), env);
case QVariant::String:
return JavaType<QString>::toJObject(v.toString(), env);
case QVariant::Bool:
return JavaType<bool>::toJObject(v.toBool(), env);
case QVariant::StringList:
return JavaType<QStringList>::toJObject(v.toStringList(), env);
case QVariant::Map:
return JavaType<QVariantMap>::toJObject(v.toMap(), env);
case QVariant::List:
return JavaType<QVariantList>::toJObject(v.toList(), env);
case QVariant::LongLong:
return JavaType<qlonglong>::toJObject(v.toLongLong(), env);
case QVariant::ULongLong:
return JavaType<qlonglong>::toJObject(v.toULongLong(), env);
case QVariant::Url:
return JavaType<QUrl>::toJObject(v.toUrl(), env);
case QVariant::Size:
return JavaType<QSize>::toJObject(v.toSize(), env);
case QVariant::SizeF:
return JavaType<QSizeF>::toJObject(v.toSizeF(), env);
case QVariant::Point:
return JavaType<QPoint>::toJObject(v.toPoint(), env);
case QVariant::PointF:
return JavaType<QPointF>::toJObject(v.toPointF(), env);
case QVariant::Rect:
return JavaType<QRect>::toJObject(v.toRect(), env);
case QVariant::RectF:
return JavaType<QRectF>::toJObject(v.toRectF(), env);
case QVariant::Invalid: {
//TODO: I don't see a problem with this, someone else?
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toJObject variant=%1 is QVariant::Invalid. Returning NULL.").arg(v.toString()) );
#endif
return NULL;
}
case QVariant::UserType: {
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toJObject variant=%1 is QVariant::UserType. Trying to cast now.").arg(v.toString()) );
#endif
} // fall through
default: {
#if 0
if( strcmp(v.typeName(),"float") == 0 ) {
return JavaType<double>::toJObject(v.toDouble());
}
#endif
if( qVariantCanConvert< QWidget* >(v) ) {
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toJObject Casting '%1' to QWidget").arg(v.typeName()) );
#endif
#if 0
QWidget* widget = qvariant_cast< QWidget* >(v);
if(! widget) {
krosswarning( QString("JavaType<QVariant>::toJObject To QWidget casted '%1' is NULL").arg(v.typeName()) );
return 0;
}
return JVMExtension::toJObject( new JVMExtension(widget) );
#endif
}
if( qVariantCanConvert< QObject* >(v) ) {
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toJObject Casting '%1' to QObject").arg(v.typeName()) );
#endif
QObject* obj = qvariant_cast< QObject* >(v);
if(! obj) {
#ifdef KROSS_JVM_VARIANT_DEBUG
krosswarning( QString("JavaType<QVariant>::toJObject To QObject casted '%1' is NULL").arg(v.typeName()) );
#endif
return 0;
}
const JVMExtension* ext = JVMInterpreter::extension(obj);
if(ext == 0)
ext = new JVMExtension(obj);
return ext->javaobject();
}
//QObject* obj = (*reinterpret_cast< QObject*(*)>( variantargs[0]->toVoidStar() ));
//PyObject* qobjectptr = PyLong_FromVoidPtr( (void*) variantargs[0]->toVoidStar() );
krosswarning( QString("JavaType<QVariant>::toJObject Not possible to convert the QVariant '%1' with type '%2' (%3) to a jobject.").arg(v.toString()).arg(v.typeName()).arg(v.type()) );
JVMException::throwNullPointerException(env);
return NULL;
}
}
}
QVariant JavaType<QVariant>::toVariant(jobject value, JNIEnv* env)
{
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JavaType<QVariant>::toVariant") );
#endif
if(value == NULL)
return QVariant();
jclass cl = env->GetObjectClass(value);
jclass other;
other = env->FindClass("java/lang/Integer");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<int>::toVariant(value, env);
//uint and ulonglong are impossible to do in this direction,
//because it makes more sense to cast Integer and Long
//to int and longlong respectively.
other = env->FindClass("java/lang/Double");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<double>::toVariant(value, env);
other = env->FindClass("java/lang/String");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<QString>::toVariant(value, env);
//TODO: Bytearray?
other = env->FindClass("java/lang/Boolean");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<bool>::toVariant(value, env);
other = env->FindClass("java/util/ArrayList");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<QVariantList>::toVariant(value, env);
other = env->FindClass("java/lang/Long");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<qlonglong>::toVariant(value, env);
//TODO: Stringlist... Other arrays...
other = env->FindClass("java/util/Map");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<QVariantMap>::toVariant(value, env);
other = env->FindClass("java/net/URL");
if(env->IsAssignableFrom(cl, other) == JNI_TRUE)
return JavaType<QUrl>::toVariant(value, env);
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( "Could not convert the jobject to a known QVariant, returning null." );
#endif
return QVariant();
}
MetaType* JVMMetaTypeFactory::create(JNIEnv* env, int typeId, int metaTypeId, jobject value)
{
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JVMMetaTypeFactory::create typeId=%1 typeName=%2").arg(QMetaType::typeName(typeId)).arg(typeId) );
#endif
switch(typeId) {
case QVariant::Int:
return new JVMMetaTypeVariant<int>(value, env);
case QVariant::UInt:
return new JVMMetaTypeVariant<uint>(value, env);
case QVariant::Double:
return new JVMMetaTypeVariant<double>(value, env);
case QVariant::Bool:
return new JVMMetaTypeVariant<bool>(value, env);
case QVariant::ByteArray:
return new JVMMetaTypeVariant<QByteArray>(value, env);
case QVariant::String:
return new JVMMetaTypeVariant<QString>(value, env);
case QVariant::StringList:
return new JVMMetaTypeVariant<QStringList>(value, env);
case QVariant::Map:
return new JVMMetaTypeVariant<QVariantMap>(value, env);
case QVariant::List:
return new JVMMetaTypeVariant<QVariantList>(value, env);
case QVariant::LongLong:
return new JVMMetaTypeVariant<qlonglong>(value, env);
case QVariant::ULongLong:
return new JVMMetaTypeVariant<qulonglong>(value, env);
case QVariant::Url:
return new JVMMetaTypeVariant<QUrl>(value, env);
case QVariant::Size:
return new JVMMetaTypeVariant<QSize>(value, env);
case QVariant::SizeF:
return new JVMMetaTypeVariant<QSizeF>(value, env);
case QVariant::Point:
return new JVMMetaTypeVariant<QPoint>(value, env);
case QVariant::PointF:
return new JVMMetaTypeVariant<QPointF>(value, env);
case QVariant::Rect:
return new JVMMetaTypeVariant<QRect>(value, env);
case QVariant::RectF:
return new JVMMetaTypeVariant<QRectF>(value, env);
case QVariant::Invalid: // fall through
case QVariant::UserType: // fall through
default: {
if( JVMExtension::isJVMExtension(value, env) ) {
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JVMMetaTypeFactory::create jobject with typeId '%1' is a JVMExtension object").arg(typeId) );
#endif
JVMExtension* extension;
jclass KQExt = env->FindClass("org/kde/kdebindings/java/krossjava/KrossQExtension");
jmethodID getpoint = env->GetMethodID(KQExt, "getPointer", "()J");
jlong p = env->CallLongMethod(value, getpoint);
extension = (JVMExtension*)JavaType<void*>::toVariant(p, env);
Q_ASSERT(extension);
QObject* object = extension->object();
if(! object) {
krosswarning("JVMMetaTypeFactory::create QObject is NULL.");
return 0;
}
return new MetaTypeVoidStar( typeId, object, false );
}
if( value == NULL ) {
#ifdef KROSS_JVM_VARIANT_DEBUG
krossdebug( QString("JVMMetaTypeFactory::create jobject is NULL. Create empty type '%1'").arg(metaTypeId) );
#endif
void* ptr = QMetaType::construct(metaTypeId, 0);
return new MetaTypeVoidStar( metaTypeId, ptr, false );
}
//QVariant v = JavaType<QVariant>::toVariant(object);
//krossdebug( QString("RubyVariant::create Converted VALUE '%1' with type '%2 %3' to QVariant with type '%4 %5'").arg(object.as_string().c_str()).arg(typeName).arg(typeId).arg(v.toString()).arg(v.typeName()) );
//if(typeId == QVariant::Invalid) return new RubyVariantImpl<void>();
//return new RubyVariantImpl<QVariant>(v);
krosswarning( QString("JVMMetaTypeFactory::create Not possible to convert the jobject to QVariant with '%1' and metaid '%2'").arg(QVariant::typeToName((QVariant::Type)typeId)).arg(typeId) );
return 0;
} break;
}
}
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