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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: InputStream.cxx,v $
* $Revision: 1.13 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "java/io/InputStream.hxx"
#include "java/tools.hxx"
#include <string.h>
using namespace connectivity;
//**************************************************************
//************ Class: java.io.InputStream
//**************************************************************
jclass java_io_InputStream::theClass = 0;
java_io_InputStream::java_io_InputStream( JNIEnv * pEnv, jobject myObj )
: java_lang_Object( pEnv, myObj )
{
SDBThreadAttach::addRef();
}
java_io_InputStream::~java_io_InputStream()
{
SDBThreadAttach::releaseRef();
}
jclass java_io_InputStream::getMyClass()
{
// die Klasse muss nur einmal geholt werden, daher statisch
if( !theClass ){
SDBThreadAttach t;
if( !t.pEnv ) return (jclass)NULL;
jclass tempClass = t.pEnv->FindClass( "java/io/InputStream" );
jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
t.pEnv->DeleteLocalRef( tempClass );
saveClassRef( globClass );
}
return theClass;
}
void java_io_InputStream::saveClassRef( jclass pClass )
{
if( pClass==NULL )
return;
// der uebergebe Klassen-Handle ist schon global, daher einfach speichern
theClass = pClass;
}
sal_Int32 SAL_CALL java_io_InputStream::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
return readBytes(aData,nMaxBytesToRead);
}
void SAL_CALL java_io_InputStream::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
jint out(0);
SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
if( t.pEnv )
{
static const char * cSignature = "(I)I";
static const char * cMethodName = "skip";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
out = t.pEnv->CallIntMethod( object, mID,nBytesToSkip);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
}
sal_Int32 SAL_CALL java_io_InputStream::available( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
jboolean out(sal_False);
SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
if( t.pEnv )
{
static const char * cSignature = "()Z";
static const char * cMethodName = "available";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
out = t.pEnv->CallBooleanMethod( object, mID);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
return out;
}
void SAL_CALL java_io_InputStream::closeInput( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
if( t.pEnv )
{
static const char * cSignature = "()V";
static const char * cMethodName = "close";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
t.pEnv->CallVoidMethod( object, mID);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
}
// -----------------------------------------------------
sal_Int32 SAL_CALL java_io_InputStream::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
if ( aData.getLength() < nBytesToRead )
throw ::com::sun::star::io::BufferSizeExceededException();
jint out(0);
SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
if( t.pEnv )
{
jbyteArray pByteArray = t.pEnv->NewByteArray(nBytesToRead);
static const char * cSignature = "([BII)I";
static const char * cMethodName = "read";
// Java-Call absetzen
static jmethodID mID = NULL;
if ( !mID )
mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!");
if( mID )
{
out = t.pEnv->CallIntMethod( object, mID, pByteArray, 0, nBytesToRead );
if ( !out )
ThrowSQLException(t.pEnv,*this);
if(out > 0)
{
jboolean p = sal_False;
memcpy(aData.getArray(),t.pEnv->GetByteArrayElements(pByteArray,&p),out);
}
}
t.pEnv->DeleteLocalRef((jbyteArray)pByteArray);
} //t.pEnv
return out;
}
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