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Diffstat (limited to 'connectivity/source/drivers/jdbc/InputStream.cxx')
-rw-r--r-- | connectivity/source/drivers/jdbc/InputStream.cxx | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/InputStream.cxx b/connectivity/source/drivers/jdbc/InputStream.cxx new file mode 100644 index 000000000000..566c0dd02df7 --- /dev/null +++ b/connectivity/source/drivers/jdbc/InputStream.cxx @@ -0,0 +1,187 @@ +/************************************************************************* + * + * $RCSfile: InputStream.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_INPUTSTREAM_HXX_ +#include "java/io/InputStream.hxx" +#endif +#ifndef _CONNECTIVITY_JAVA_TOOLS_HXX_ +#include "java/tools.hxx" +#endif +#ifndef _INC_MEMORY +#include <memory.h> +#endif + +using namespace connectivity; +//************************************************************** +//************ Class: java.io.InputStream +//************************************************************** + +jclass java_io_InputStream::theClass = 0; + +java_io_InputStream::~java_io_InputStream() +{} + +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( SDBThreadAttach::IsJavaErrorOccured() || 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_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_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_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_InputStream::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_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) +{ + jint out(0); + SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gelscht worden!"); + if( t.pEnv ) + { + jbyteArray pByteArray = t.pEnv->NewByteArray(nBytesToRead); + char * cSignature = "([BII)I"; + char * cMethodName = "read"; + // Java-Call absetzen + jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature ); + if( mID ) + { + while(!(out = t.pEnv->CallIntMethod( object, mID,pByteArray,0,nBytesToRead))) + 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; +} + + |