// -*- mode:C++; tab-width:2; c-basic-offset:2; indent-tabs-mode:nil -*-
//
// Copyright (C) 2000-2005 by Roger Rene Kommer / artefaktur, Kassel, Germany.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License (LGPL).
//
//
// This library 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
// License ACDK-FreeLicense document enclosed in the distribution
// for more for more details.
// This file is part of the Artefaktur Component Development Kit:
// ACDK
//
// Please refer to
// - http://www.acdk.de
// - http://www.artefaktur.com
// - http://acdk.sourceforge.net
// for more information.
//
// $Header: /cvsroot/acdk/acdk/acdk_java/src/acdk/java/JavaObject.h,v 1.22 2005/03/14 17:59:13 kommer Exp $
#ifndef acdk_java_JavaObject_h
#define acdk_java_JavaObject_h
#include <acdk.h>
#include <acdk/lang/dmi/AcdkStdWeakTypeDmiClient.h>
#include "Config.h"
#include "jniext.h"
#include "JavaInterpreter.h"
namespace acdk {
/**
Implements the utilisation of a Java 1.2 virtual machine
*/
namespace java {
using namespace acdk::lang;
using namespace acdk::lang::dmi;
ACDK_DECL_CLASS(JavaObject);
ACDK_DECL_CLASS(JavaInterpreter);
/**
Implements the DMI-Interface for
Java object as DMI server.
A little Hello sample using the java class java.lang.StringBuffer
@code
RJavaObject jo = new JavaObject("java/lang/StringBuffer", new String("Hello Java "));
jo->invoke("append", new String(" from ACDK"));
RString erg = (RString)jo->invoke("toString");
@codeend
@see also
*/
class ACDK_ACDK_JAVA_PUBLIC JavaObject
: public acdk::lang::Object
{
//ACDK_WITH_METAINFO
protected:
foreign RJavaInterpreter _env;
foreign JObjectImpl<jobject, JGlobalRes> _jobj;
foreign JObjectImpl<jclass, JGlobalRes> _jclass;
public:
/// not using the standard meta info, becuase this class is used as a proxy
virtual ::acdk::lang::dmi::ClazzInfo* getClazzInfo() { return clazzInfo(); }
static ::acdk::lang::dmi::ClazzInfo* clazzInfo() { return &_clazzInfo; }
virtual ::acdk::lang::RClass getClass() { return GetClass(); }
static ::acdk::lang::RClass GetClass() { return ::acdk::lang::Class::getSingeltonClass(clazzInfo()); }
static ::acdk::lang::RObject create_array(int length = 0) { return Nil; }
static ::acdk::lang::RObject create_array_array(int firstLength = 0, int secondLength = 0) { return Nil; }
virtual void getCollectableFields(FieldReferences& fields) { }
virtual ::acdk::lang::dmi::SysFields getInternalFields(int flags, const ::acdk::lang::dmi::ClazzInfo* clazz = 0)
{ return ::acdk::lang::dmi::SysFields(); }
static const ClazzMethodInfo* _invoke_dynamic( ::acdk::lang::Object* This,
IN(RString) fname,
ScriptVar& ret,
ScriptVarArray& args,
DmiClient& dc,
IN(::acdk::lang::RStringArray) namedArgs,
int flags,
const ClazzInfo* clazzinfo,
const ClazzMethodInfo* methinf);
static const ClazzMethodInfo* _invoke_static( IN(RString) fname,
ScriptVar& ret,
ScriptVarArray& args,
DmiClient& dc,
IN(::acdk::lang::RStringArray) namedArgs,
int flags,
const ClazzInfo* clazzinfo,
const ClazzMethodInfo* methinf);
/*
virtual const ::acdk::lang::dmi::ClazzMethodInfo* standardDispatch( const char* fname,
::acdk::lang::dmi::ScriptVar& ret,
::acdk::lang::dmi::ScriptVarArray& args,
::acdk::lang::dmi::DmiClient& dc,
IN(::acdk::lang::RStringArray) namedArgs,
int flags,
const ::acdk::lang::dmi::ClazzInfo* clazzinfo = 0,
const ::acdk::lang::dmi::ClazzMethodInfo* methinf = 0);
static const ::acdk::lang::dmi::ClazzMethodInfo* StandardDispatch(const char* fname, ::acdk::lang::dmi::ScriptVar& ret,
::acdk::lang::dmi::ScriptVarArray& args,
::acdk::lang::dmi::DmiClient& dc, IN(::acdk::lang::RStringArray) namedArgs,
int flags,
const ::acdk::lang::dmi::ClazzInfo* clazzinfo = 0,
const ::acdk::lang::dmi::ClazzMethodInfo* methinf = 0);
*/
virtual ::acdk::lang::dmi::ScriptVar getMember(IN(RString) fieldname, ::acdk::lang::dmi::DmiClient& dc, int flags, const ::acdk::lang::dmi::ClazzInfo* type_requested = 0);
virtual void setMember(IN(RString) fieldname, const ::acdk::lang::dmi::ScriptVar& newval, ::acdk::lang::dmi::DmiClient& dc, int flags);
static ::acdk::lang::dmi::AcdkStdWeakTypeDmiClient gJavaDmiClient;
::acdk::lang::dmi::DmiClient& getDmiClient()
{
return gJavaDmiClient;
}
private:
static ::acdk::lang::dmi::ClazzInfo _clazzInfo;
public:
JavaObject(jobject jobj);
/**
Create an JavaObject as Wrapper to an existant jobject
Used internally to wrapp arguments
*/
JavaObject(IN(RJavaInterpreter) env, jobject jobj);
/**
create acdk::lang::Object calling the JNI constructor with given args
*/
JavaObject(IN(RJavaInterpreter) env, IN(RString) clsname, ScriptVarArray& args)
: _env(env)
, _jobj(_env->jenv())
, _jclass(_env->jenv())
{
_jobj = getNewJObject(_env->jenv(), clsname, args);
}
/**
create acdk::lang::Object calling the JNI constructor with given args
*/
JavaObject(IN(RString) clsname, ScriptVarArray& args)
: _env(getJavaInterpreter())
, _jobj(_env->jenv())
, _jclass(_env->jenv())
{
_jobj = getNewJObject(_env->jenv(), clsname, args);
}
/**
create acdk::lang::Object calling the JNI constructor with given args
*/
JavaObject(IN(RString) clsname, ScriptVar va1 = ScriptVar(),
ScriptVar va2 = ScriptVar(),
ScriptVar va3 = ScriptVar(),
ScriptVar va4 = ScriptVar(),
ScriptVar va5 = ScriptVar());
virtual ~JavaObject();
/**
create acdk::lang::Object calling the JNI constructor with given args
*/
static RJavaObject getInstance(IN(RJavaInterpreter) env, IN(RString) classname, ScriptVarArray& args);
/**
call a non static method of the Java class
*/
virtual ScriptVar invoke(IN(RString) methodname, ScriptVarArray& args);
/**
call a non static method of the Java class
*/
ScriptVar invoke(IN(RString) methodname, ScriptVar va1 = ScriptVar(),
ScriptVar va2 = ScriptVar(),
ScriptVar va3 = ScriptVar(),
ScriptVar va4 = ScriptVar(),
ScriptVar va5 = ScriptVar());
static ScriptVar invoke_static(IN(RString) classname, IN(RString) methodname,
ScriptVar va1 = ScriptVar(),
ScriptVar va2 = ScriptVar(),
ScriptVar va3 = ScriptVar(),
ScriptVar va4 = ScriptVar(),
ScriptVar va5 = ScriptVar());
/**
call a static method of the Java class
*/
static ScriptVar invoke_static(IN(RJavaInterpreter) env, IN(RString) classname, IN(RString) methodname, ScriptVarArray& args);
//virtual ScriptVar peek(IN(RString) fieldname);
static ScriptVar peek_static(IN(RJavaInterpreter) env, IN(RString) classname, IN(RString) fieldname);
static ScriptVar peek_static(IN(RString) classname, IN(RString) fieldname)
{
return peek_static(getJavaInterpreter(), classname, fieldname);
}
//virtual void poke(IN(RString) fieldname, ScriptVar& val);
static void poke_static(IN(RJavaInterpreter) env, IN(RString) classname, IN(RString) fieldname, const ScriptVar& val);
static void poke_static(IN(RString) classname, IN(RString) fieldname, const ScriptVar& val)
{
poke_static(getJavaInterpreter(), classname, fieldname, val);
}
virtual jobject javaObject() { return _jobj; }
virtual RString toString();
jclass getJObjectClass();
static jobject getNewJObject(JNIEnv* env, IN(RString) classname, ScriptVarArray& args);
JNIEnv* jenv() { return _env->jenv(); }
};
} //namespace java
} // namespace acdk
#endif // acdk_java_JavaObject_h |
2005/5/9
JavaObject.h
