/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_stoc.hxx"


#include <jni.h>

//#include <iostream>
#include <stdio.h>
#include <sal/main.h>
#include <rtl/process.h>

#include <cppuhelper/servicefactory.hxx>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/bootstrap.hxx>

#include <com/sun/star/registry/XSimpleRegistry.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/java/XJavaVM.hpp>
#include <com/sun/star/registry/XImplementationRegistration.hpp>
#include <com/sun/star/java/XJavaThreadRegister_11.hpp>

//#include <cppuhelper/implbase1.hxx>

using namespace std;
using namespace rtl;
using namespace cppu;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
//using namespace com::sun::star::reflection;
using namespace com::sun::star::lang;
using namespace com::sun::star::registry;
using namespace com::sun::star::java;


sal_Bool testJavaVM(const Reference< XMultiServiceFactory > & xMgr )
{

  	OUString sVMService( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.java.JavaVirtualMachine"));
	Reference<XInterface> xXInt= xMgr->createInstance(sVMService);
	if( ! xXInt.is())
		return sal_False;
	Reference<XJavaVM> xVM( xXInt, UNO_QUERY);
	if( ! xVM.is()) 
		return sal_False;
	Reference<XJavaThreadRegister_11> xreg11(xVM, UNO_QUERY);
	if( ! xreg11.is())
		return sal_False;


	sal_Int8 arId[16];
	rtl_getGlobalProcessId((sal_uInt8*) arId);
	Any anyVM = xVM->getJavaVM( Sequence<sal_Int8>(arId, 16));
    if ( ! anyVM.hasValue())
    {
        OSL_ENSURE(0,"could not get Java VM");
        return sal_False;
    }

	sal_Bool b= xreg11->isThreadAttached();
	xreg11->registerThread();
	b= xreg11->isThreadAttached();
	xreg11->revokeThread();
	b= xreg11->isThreadAttached();


	b= xVM->isVMEnabled();
	b= xVM->isVMStarted();


	b= xVM->isVMEnabled();
	b= xVM->isVMStarted();


	JavaVM* _jvm= *(JavaVM**) anyVM.getValue();
	JNIEnv *p_env;
	if( _jvm->AttachCurrentThread((void**) &p_env, 0)) 
		return sal_False;

//	jclass aJProg = p_env->FindClass("TestJavaVM");
//	if( p_env->ExceptionOccurred()){
//		p_env->ExceptionDescribe();
//		p_env->ExceptionClear();
//	}
//
//	jmethodID mid= p_env->GetStaticMethodID( aJProg,"main", "([Ljava/lang/String;)V");

    jclass cls = p_env->FindClass( "TestJavaVM");
    if (cls == 0) {
        OSL_TRACE( "Can't find Prog class\n");
        exit(1);
    }
 
//   jmethodID methid = p_env->GetStaticMethodID( cls, "main", "([Ljava/lang/String;)V");
//    if (methid == 0) {
//        OSL_TRACE("Can't find Prog.main\n");
//        exit(1);
//    }

//    jstring jstr = p_env->NewStringUTF(" from C!");
//    if (jstr == 0) {
//        OSL_TRACE("Out of memory\n");
//        exit(1);
//    }
//    jobjectArray args = p_env->NewObjectArray( 1, 
//                        p_env->FindClass("java/lang/String"), jstr);
//    if (args == 0) {
//        OSL_TRACE( "Out of memory\n");
//        exit(1);
//    }
//    p_env->CallStaticVoidMethod( cls, methid, args);


	jmethodID id = p_env->GetStaticMethodID( cls, "getInt", "()I");
	if( id)
	{
//		jint _i= p_env->CallStaticIntMethod(cls, id);
		p_env->CallStaticIntMethod(cls, id);        
	}
		
	if( p_env->ExceptionOccurred()){
		p_env->ExceptionDescribe();
		p_env->ExceptionClear();
	}


	_jvm->DetachCurrentThread();
	return sal_True;
}

SAL_IMPLEMENT_MAIN()
{
	Reference<XSimpleRegistry> xreg= createSimpleRegistry();
	xreg->open( OUString( RTL_CONSTASCII_USTRINGPARAM("applicat.rdb")),
							   sal_False, sal_False );

	Reference< XComponentContext > context= bootstrap_InitialComponentContext(xreg);
	Reference<XMultiComponentFactory> fac= context->getServiceManager();
	Reference<XMultiServiceFactory> xMgr( fac, UNO_QUERY);
	
	sal_Bool bSucc = sal_False;
	try
	{
		OUString sImplReg(RTL_CONSTASCII_USTRINGPARAM(
			"com.sun.star.registry.ImplementationRegistration"));
		Reference<com::sun::star::registry::XImplementationRegistration> xImplReg(
			xMgr->createInstance( sImplReg ), UNO_QUERY );
		OSL_ENSURE( xImplReg.is(), "### no impl reg!" );


		OUString sLibLoader( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.loader.SharedLibrary"));
		OUString sJenLib(
            RTL_CONSTASCII_USTRINGPARAM( "javavm.uno" SAL_DLLEXTENSION ) );
		xImplReg->registerImplementation(
			sLibLoader, sJenLib, Reference< XSimpleRegistry >() );
		
		bSucc = testJavaVM( xMgr );
	}
	catch (Exception & rExc)
	{
		OSL_ENSURE( sal_False, "### exception occured!" );
		OString aMsg( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
		OSL_TRACE( "### exception occured: " );
		OSL_TRACE( aMsg.getStr() );
		OSL_TRACE( "\n" );
	}

	Reference< XComponent > xCompContext( context, UNO_QUERY );
	xCompContext->dispose();
	printf("javavm %s", bSucc ? "succeeded" : "failed");
//	cout << "javavm " << (bSucc ? "succeeded" : "failed") << " !" << endl;
	return (bSucc ? 0 : -1);
}