diff options
Diffstat (limited to 'connectivity/source/drivers/jdbc/Reader.cxx')
-rw-r--r-- | connectivity/source/drivers/jdbc/Reader.cxx | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/Reader.cxx b/connectivity/source/drivers/jdbc/Reader.cxx new file mode 100644 index 000000000000..4224929332fa --- /dev/null +++ b/connectivity/source/drivers/jdbc/Reader.cxx @@ -0,0 +1,121 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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/Reader.hxx" +#ifndef _INC_MEMORY +//#include <memory.h> +#endif +#include <string.h> +using namespace connectivity; +//************************************************************** +//************ Class: java.io.Reader +//************************************************************** + +jclass java_io_Reader::theClass = 0; +java_io_Reader::java_io_Reader( JNIEnv * pEnv, jobject myObj ) + : java_lang_Object( pEnv, myObj ) +{ + SDBThreadAttach::addRef(); +} +java_io_Reader::~java_io_Reader() +{ + SDBThreadAttach::releaseRef(); +} + +jclass java_io_Reader::getMyClass() const +{ + // die Klasse muss nur einmal geholt werden, daher statisch + if( !theClass ) + theClass = findMyClass("java/io/Reader"); + return theClass; +} + +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) +{ + static jmethodID mID(NULL); + callIntMethodWithIntArg("skip",mID,nBytesToSkip); +} + +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_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + + { + static const char * cSignature = "()Z"; + static const char * cMethodName = "available"; + // Java-Call absetzen + static jmethodID mID(NULL); + obtainMethodId(t.pEnv, cMethodName,cSignature, 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) +{ + static jmethodID mID(NULL); + callVoidMethod("close",mID); +} +// ----------------------------------------------------- +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_ENSURE(aData.getLength() < nBytesToRead," Sequence is smaller than BytesToRead"); + jint out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + + { + jcharArray pCharArray = t.pEnv->NewCharArray(nBytesToRead); + static const char * cSignature = "([CII)I"; + static const char * cMethodName = "read"; + // Java-Call absetzen + static jmethodID mID(NULL); + obtainMethodId(t.pEnv, cMethodName,cSignature, mID); + out = t.pEnv->CallIntMethod( object, mID, pCharArray, 0, nBytesToRead ); + if ( !out ) + 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; +} + |