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Diffstat (limited to 'connectivity/source/drivers/jdbc/Blob.cxx')
-rw-r--r-- | connectivity/source/drivers/jdbc/Blob.cxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/Blob.cxx b/connectivity/source/drivers/jdbc/Blob.cxx new file mode 100644 index 000000000000..cd448754585f --- /dev/null +++ b/connectivity/source/drivers/jdbc/Blob.cxx @@ -0,0 +1,148 @@ +/************************************************************************* + * + * 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/sql/Blob.hxx" +#include "java/tools.hxx" +#include "java/io/InputStream.hxx" +#ifndef _INC_MEMORY +//#include <memory.h> +#endif +#include <connectivity/dbexception.hxx> + +#include <string.h> + +using namespace connectivity; +//************************************************************** +//************ Class: java.sql.Blob +//************************************************************** + +jclass java_sql_Blob::theClass = 0; +java_sql_Blob::java_sql_Blob( JNIEnv * pEnv, jobject myObj ) + : java_lang_Object( pEnv, myObj ) +{ + SDBThreadAttach::addRef(); +} +java_sql_Blob::~java_sql_Blob() +{ + SDBThreadAttach::releaseRef(); +} + +jclass java_sql_Blob::getMyClass() const +{ + // die Klasse muss nur einmal geholt werden, daher statisch + if( !theClass ) + theClass = findMyClass("java/sql/Blob"); + return theClass; +} + +sal_Int64 SAL_CALL java_sql_Blob::length( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + jlong out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + + { + // temporaere Variable initialisieren + static const char * cSignature = "()J"; + static const char * cMethodName = "length"; + // Java-Call absetzen + static jmethodID mID(NULL); + obtainMethodId(t.pEnv, cMethodName,cSignature, mID); + out = t.pEnv->CallLongMethod( object, mID ); + ThrowSQLException(t.pEnv,*this); + } //t.pEnv + return (sal_Int64)out; +} +::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL java_sql_Blob::getBytes( sal_Int64 pos, sal_Int32 count ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + ::com::sun::star::uno::Sequence< sal_Int8 > aSeq; + { + // temporaere Variable initialisieren + static const char * cSignature = "(JI)[B"; + static const char * cMethodName = "getBytes"; + // Java-Call absetzen + static jmethodID mID(NULL); + obtainMethodId(t.pEnv, cMethodName,cSignature, mID); + jbyteArray out = (jbyteArray)t.pEnv->CallObjectMethod( object, mID,pos,count); + ThrowSQLException(t.pEnv,*this); + if(out) + { + jboolean p = sal_False; + aSeq.realloc(t.pEnv->GetArrayLength(out)); + memcpy(aSeq.getArray(),t.pEnv->GetByteArrayElements(out,&p),aSeq.getLength()); + t.pEnv->DeleteLocalRef(out); + } + } //t.pEnv + // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!! + return aSeq; +} + +::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL java_sql_Blob::getBinaryStream( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + static jmethodID mID(NULL); + jobject out = callObjectMethod(t.pEnv,"getBinaryStream","()Ljava/io/InputStream;", mID); + // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!! + return out==0 ? 0 : new java_io_InputStream( t.pEnv, out ); +} + +sal_Int64 SAL_CALL java_sql_Blob::position( const ::com::sun::star::uno::Sequence< sal_Int8 >& pattern, sal_Int64 start ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + jlong out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); + + { + // temporaere Variable initialisieren + static const char * cSignature = "([BI)J"; + static const char * cMethodName = "position"; + // Java-Call absetzen + static jmethodID mID(NULL); + obtainMethodId(t.pEnv, cMethodName,cSignature, mID); + // Parameter konvertieren + jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength()); + t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),(jbyte*)pattern.getConstArray()); + out = t.pEnv->CallLongMethod( object, mID, pByteArray,start ); + t.pEnv->DeleteLocalRef(pByteArray); + ThrowSQLException(t.pEnv,*this); + } //t.pEnv + return (sal_Int64)out; +} + +sal_Int64 SAL_CALL java_sql_Blob::positionOfBlob( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XBlob >& /*pattern*/, sal_Int64 /*start*/ ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + ::dbtools::throwFeatureNotImplementedException( "XBlob::positionOfBlob", *this ); + // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore + // the pattern parameter. Since the effort for proper implementation is rather high - we would need + // to translated patter into a byte[] -, we defer this functionality for the moment (hey, it was + // unusable, anyway) + // 2005-11-15 / #i57457# / frank.schoenheit@sun.com + return 0; +} + |