/************************************************************************* * * $RCSfile: Blob.cxx,v $ * * $Revision: 1.5 $ * * last change: $Author: obo $ $Date: 2003-12-03 12:39:16 $ * * 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_SQL_BLOB_HXX_ #include "java/sql/Blob.hxx" #endif #ifndef _CONNECTIVITY_JAVA_TOOLS_HXX_ #include "java/tools.hxx" #endif #ifndef _CONNECTIVITY_JAVA_IO_INPUTSTREAM_HXX_ #include "java/io/InputStream.hxx" #endif #ifndef _INC_MEMORY //#include #endif using namespace connectivity; //************************************************************** //************ Class: java.sql.Blob //************************************************************** jclass java_sql_Blob::theClass = 0; java_sql_Blob::~java_sql_Blob() {} jclass java_sql_Blob::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/sql/Blob" ); jclass globClass = (jclass)t.pEnv->NewGlobalRef( tempClass ); t.pEnv->DeleteLocalRef( tempClass ); saveClassRef( globClass ); } return theClass; } void java_sql_Blob::saveClassRef( jclass pClass ) { if( pClass==NULL ) return; // der uebergebe Klassen-Handle ist schon global, daher einfach speichern theClass = pClass; } 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 gelöscht worden!"); if( t.pEnv ) { // temporaere Variable initialisieren char * cSignature = "()J"; char * cMethodName = "length"; // Java-Call absetzen jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!"); if( mID ){ out = t.pEnv->CallLongMethod( object, mID ); ThrowSQLException(t.pEnv,*this); // und aufraeumen } //mID } //t.pEnv return (sal_Int64)out; } ::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) { SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment gelöscht worden!"); ::com::sun::star::uno::Sequence< sal_Int8 > aSeq; if( t.pEnv ){ // temporaere Variable initialisieren char * cSignature = "(JI)[B"; char * cMethodName = "getBytes"; // Java-Call absetzen jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!"); if( mID ){ jbyteArray out = (jbyteArray)t.pEnv->CallObjectMethod( object, mID,pos,length); 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); } // und aufraeumen } //mID } //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) { jobject out(0); SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment gelöscht worden!"); if( t.pEnv ){ // temporaere Variable initialisieren char * cSignature = "()Ljava/io/InputStream;"; char * cMethodName = "getBinaryStream"; // Java-Call absetzen jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!"); if( mID ){ out = t.pEnv->CallObjectMethod( object, mID); ThrowSQLException(t.pEnv,*this); } //mID } //t.pEnv // 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 gelöscht worden!"); if( t.pEnv ) { jvalue args[1]; // Parameter konvertieren jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength()); t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),(jbyte*)pattern.getConstArray()); args[0].l = pByteArray; // temporaere Variable initialisieren char * cSignature = "([BI)J"; char * cMethodName = "position"; // Java-Call absetzen jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!"); if( mID ){ out = t.pEnv->CallLongMethod( object, mID, args[0].l,start ); ThrowSQLException(t.pEnv,*this); t.pEnv->DeleteLocalRef((jbyteArray)args[0].l); // und aufraeumen } //mID } //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) { jlong out(0); SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment gelöscht worden!"); if( t.pEnv ) { jvalue args[1]; // Parameter konvertieren args[0].l = 0; // temporaere Variable initialisieren char * cSignature = "(Ljava/sql/Blob;I)J"; char * cMethodName = "positionOfBlob"; // Java-Call absetzen jmethodID mID = t.pEnv->GetMethodID( getMyClass(), cMethodName, cSignature );OSL_ENSURE(mID,"Unknown method id!"); if( mID ){ out = t.pEnv->CallLongMethod( object, mID,args[0].l,start ); ThrowSQLException(t.pEnv,*this); // und aufraeumen } //mID } //t.pEnv return (sal_Int64)out; }