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/*************************************************************************
*
* $RCSfile: Reader.cxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:14:22 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _CONNECTIVITY_JAVA_IO_READER_HXX_
#include "java/io/Reader.hxx"
#endif
#ifndef _INC_MEMORY
#include <memory.h>
#endif
using namespace connectivity;
//**************************************************************
//************ Class: java.io.Reader
//**************************************************************
jclass java_io_Reader::theClass = 0;
java_io_Reader::~java_io_Reader()
{}
jclass java_io_Reader::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/Reader" );
jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
t.pEnv->DeleteLocalRef( tempClass );
saveClassRef( globClass );
}
return theClass;
}
void java_io_Reader::saveClassRef( jclass pClass )
{
if( SDBThreadAttach::IsJavaErrorOccured() || pClass==NULL )
return;
// der uebergebe Klassen-Handle ist schon global, daher einfach speichern
theClass = pClass;
}
sal_Int32 SAL_CALL java_io_Reader::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_Reader::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_ENSHURE(t.pEnv,"Java Enviroment gelscht worden!");
if( t.pEnv )
{
char * cSignature = "(I)I";
char * cMethodName = "skip";
// Java-Call absetzen
jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
if( mID )
{
out = t.pEnv->CallIntMethod( object, mID,nBytesToSkip);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
}
sal_Int32 SAL_CALL java_io_Reader::available( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
jboolean out(sal_False);
SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gelscht worden!");
if( t.pEnv )
{
char * cSignature = "()Z";
char * cMethodName = "available";
// Java-Call absetzen
jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
if( mID )
{
out = t.pEnv->CallBooleanMethod( object, mID);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
return out;
}
void SAL_CALL java_io_Reader::closeInput( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gelscht worden!");
if( t.pEnv )
{
char * cSignature = "()V";
char * cMethodName = "close";
// Java-Call absetzen
jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
if( mID )
{
t.pEnv->CallVoidMethod( object, mID);
ThrowSQLException(t.pEnv,*this);
}
} //t.pEnv
}
// -----------------------------------------------------
sal_Int32 SAL_CALL java_io_Reader::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)
{
OSL_ENSHURE(aData.getLength() < nBytesToRead," Sequence is smaller than BytesToRead");
jint out(0);
SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gelscht worden!");
if( t.pEnv )
{
jcharArray pCharArray = t.pEnv->NewCharArray(nBytesToRead);
char * cSignature = "([CII)I";
char * cMethodName = "read";
// Java-Call absetzen
jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
if( mID )
{
while(!(out = t.pEnv->CallIntMethod( object, mID,pCharArray,0,nBytesToRead)))
ThrowSQLException(t.pEnv,*this);
if(out > 0)
{
jboolean p = sal_False;
if(aData.getLength() < out)
aData.realloc(out-aData.getLength());
memcpy(aData.getArray(),t.pEnv->GetCharArrayElements(pCharArray,&p),out);
}
}
t.pEnv->DeleteLocalRef((jcharArray)pCharArray);
} //t.pEnv
return out;
}
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