222 lines
8.3 KiB
C++
222 lines
8.3 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: Blob.cxx,v $
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*
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* $Revision: 1.1.1.1 $
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*
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* last change: $Author: hr $ $Date: 2000-09-18 16:14:22 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _CONNECTIVITY_JAVA_SQL_BLOB_HXX_
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#include "java/sql/Blob.hxx"
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#endif
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#ifndef _CONNECTIVITY_JAVA_TOOLS_HXX_
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#include "java/tools.hxx"
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#endif
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#ifndef _CONNECTIVITY_JAVA_IO_INPUTSTREAM_HXX_
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#include "java/io/InputStream.hxx"
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#endif
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#ifndef _INC_MEMORY
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#include <memory.h>
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#endif
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using namespace connectivity;
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//**************************************************************
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//************ Class: java.sql.Blob
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//**************************************************************
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jclass java_sql_Blob::theClass = 0;
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java_sql_Blob::~java_sql_Blob()
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{}
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jclass java_sql_Blob::getMyClass()
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{
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// die Klasse muss nur einmal geholt werden, daher statisch
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if( !theClass ){
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SDBThreadAttach t;
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if( !t.pEnv ) return (jclass)NULL;
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jclass tempClass = t.pEnv->FindClass( "java/sql/Blob" );
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jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass );
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t.pEnv->DeleteLocalRef( tempClass );
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saveClassRef( globClass );
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}
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return theClass;
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}
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void java_sql_Blob::saveClassRef( jclass pClass )
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{
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if( SDBThreadAttach::IsJavaErrorOccured() || pClass==NULL )
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return;
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// der uebergebe Klassen-Handle ist schon global, daher einfach speichern
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theClass = pClass;
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}
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sal_Int64 SAL_CALL java_sql_Blob::length( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
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{
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jlong out(0);
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SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gel<65>scht worden!");
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if( t.pEnv )
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{
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// temporaere Variable initialisieren
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char * cSignature = "()J";
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char * cMethodName = "length";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
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if( mID ){
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out = t.pEnv->CallLongMethod( object, mID );
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ThrowSQLException(t.pEnv,*this);
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// und aufraeumen
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} //mID
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} //t.pEnv
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return (sal_Int64)out;
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}
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::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL java_sql_Blob::getBytes( sal_Int64 pos, sal_Int32 length ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
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{
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SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gel<65>scht worden!");
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::com::sun::star::uno::Sequence< sal_Int8 > aSeq;
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if( t.pEnv ){
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// temporaere Variable initialisieren
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char * cSignature = "(JI)[B";
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char * cMethodName = "getBytes";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
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if( mID ){
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jbyteArray out = (jbyteArray)t.pEnv->CallObjectMethod( object, mID,pos,length);
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ThrowSQLException(t.pEnv,*this);
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if(out)
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{
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jboolean p = sal_False;
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aSeq.realloc(t.pEnv->GetArrayLength(out));
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memcpy(aSeq.getArray(),t.pEnv->GetByteArrayElements(out,&p),aSeq.getLength());
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t.pEnv->DeleteLocalRef(out);
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}
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// und aufraeumen
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} //mID
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} //t.pEnv
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// ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
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return aSeq;
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}
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::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)
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{
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jobject out(0);
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SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gel<65>scht worden!");
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if( t.pEnv ){
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// temporaere Variable initialisieren
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char * cSignature = "()Ljava/io/InputStream;";
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char * cMethodName = "getBinaryStream";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
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if( mID ){
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out = t.pEnv->CallObjectMethod( object, mID);
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ThrowSQLException(t.pEnv,*this);
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} //mID
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} //t.pEnv
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// ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
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return out==0 ? 0 : new java_io_InputStream( t.pEnv, out );
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}
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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)
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{
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jlong out(0);
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SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gel<65>scht worden!");
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if( t.pEnv )
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{
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jvalue args[1];
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// Parameter konvertieren
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jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength());
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t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),(jbyte*)pattern.getConstArray());
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args[0].l = pByteArray;
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// temporaere Variable initialisieren
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char * cSignature = "([BI)J";
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char * cMethodName = "position";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
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if( mID ){
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out = t.pEnv->CallLongMethod( object, mID, args[0].l,start );
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ThrowSQLException(t.pEnv,*this);
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t.pEnv->DeleteLocalRef((jbyteArray)args[0].l);
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// und aufraeumen
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} //mID
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} //t.pEnv
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return (sal_Int64)out;
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}
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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)
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{
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jlong out(0);
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SDBThreadAttach t; OSL_ENSHURE(t.pEnv,"Java Enviroment gel<65>scht worden!");
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if( t.pEnv )
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{
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jvalue args[1];
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// Parameter konvertieren
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args[0].l = 0;
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// temporaere Variable initialisieren
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char * cSignature = "(Ljava/sql/Blob;I)J";
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char * cMethodName = "position";
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// Java-Call absetzen
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jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );
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if( mID ){
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out = t.pEnv->CallLongMethod( object, mID,args[0].l,start );
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ThrowSQLException(t.pEnv,*this);
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// und aufraeumen
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} //mID
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} //t.pEnv
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return (sal_Int64)out;
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}
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