337 lines
11 KiB
C++
337 lines
11 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: StorageNativeInputStream.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: vg $ $Date: 2007-01-15 13:34:38 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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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 2005 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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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_connectivity.hxx"
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#if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifndef _COM_SUN_STAR_IO_XSTREAM_HPP_
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#include <com/sun/star/io/XStream.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONTAINER_XNAMEACCESS_HPP_
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#include <com/sun/star/container/XNameAccess.hpp>
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#endif
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#ifndef _COM_SUN_STAR_DOCUMENT_XDOCUMENTSUBSTORAGESUPPLIER_HPP_
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#include <com/sun/star/document/XDocumentSubStorageSupplier.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_XSTORAGE_HPP_
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#include <com/sun/star/embed/XStorage.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_ELEMENTMODES_HPP_
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#include <com/sun/star/embed/ElementModes.hpp>
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#endif
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#ifndef _COMPHELPER_STLTYPES_HXX_
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#include <comphelper/stl_types.hxx>
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#endif
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#ifndef _COMPHELPER_TYPES_HXX_
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#include <comphelper/types.hxx>
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#endif
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#ifndef CONNECTIVITY_HSQLDB_STORAGEACCESS_HXX
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#include "hsqldb/HStorageAccess.hxx"
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#endif
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#include "hsqldb/HStorageMap.hxx"
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#include "hsqldb/StorageNativeInputStream.h"
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#include "jvmaccess/virtualmachine.hxx"
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#ifndef _COM_SUN_STAR_LANG_XSINGLECOMPONENTFACTORY_HPP_
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#include <com/sun/star/lang/XSingleComponentFactory.hpp>
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#endif
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#ifndef CONNECTIVITY_HSQLDB_ACCESSLOG_HXX
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#include "accesslog.hxx"
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#endif
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#include <limits>
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::document;
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using namespace ::com::sun::star::embed;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::lang;
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using namespace ::connectivity::hsqldb;
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#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
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/*****************************************************************************/
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/* exception macros */
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#define ThrowException(env, type, msg) { \
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env->ThrowNew(env->FindClass(type), msg); }
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: openStream
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* Signature: (Ljava/lang/String;Ljava/lang/String;I)V
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*/
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JNIEXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_openStream
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(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jint mode)
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{
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#ifdef HSQLDB_DBG
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{
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OperationLogFile( env, name, "input" ).logOperation( "openStream" );
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LogFile( env, name, "input" ).create();
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}
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#endif
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StorageContainer::registerStream(env,name,key,mode);
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: read
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* Signature: (Ljava/lang/String;Ljava/lang/String;)I
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*/
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JNIEXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2
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(JNIEnv * env, jobject obj_this,jstring key, jstring name)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile( env, name, "input" ).logOperation( "read()" );
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DataLogFile aDataLog( env, name, "input" );
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return read_from_storage_stream( env, obj_this, name, key, &aDataLog );
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#else
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return read_from_storage_stream( env, obj_this, name, key );
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#endif
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: read
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* Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I
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*/
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JNIEXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3BII
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(JNIEnv * env, jobject obj_this,jstring key, jstring name, jbyteArray buffer, jint off, jint len)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile( env, name, "input" ).logOperation( "read( byte[], int, int )" );
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DataLogFile aDataLog( env, name, "input" );
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return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
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#else
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return read_from_storage_stream_into_buffer(env,obj_this,name,key,buffer,off,len);
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#endif
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: close
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* Signature: (Ljava/lang/String;Ljava/lang/String;)V
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*/
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JNIEXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_close
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(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "input" );
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aOpLog.logOperation( "close" );
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aOpLog.close();
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LogFile aDataLog( env, name, "input" );
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aDataLog.close();
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#endif
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StorageContainer::revokeStream(env,name,key);
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: skip
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* Signature: (Ljava/lang/String;Ljava/lang/String;J)J
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*/
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JNIEXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_skip
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(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jlong n)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile( env, name, "input" ).logOperation( "skip()" );
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#endif
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if ( n < 0 )
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ThrowException( env,
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"java/io/IOException",
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"n < 0");
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::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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OSL_ENSURE(pHelper.get(),"No stream helper!");
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if ( pHelper.get() )
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{
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Reference<XInputStream> xIn = pHelper->getInputStream();
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if ( xIn.is() )
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{
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try
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{
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sal_Int64 tmpLongVal = n;
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sal_Int32 tmpIntVal;
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try
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{
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do {
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if (tmpLongVal >= ::std::numeric_limits<sal_Int64>::max() )
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tmpIntVal = ::std::numeric_limits<sal_Int32>::max();
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else // Casting is safe here.
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tmpIntVal = static_cast<sal_Int32>(tmpLongVal);
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tmpLongVal -= tmpIntVal;
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xIn->skipBytes(tmpIntVal);
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} while (tmpLongVal > 0);
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}
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catch(Exception& )
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{
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}
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return n - tmpLongVal;
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}
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catch(Exception& e)
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{
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OSL_ENSURE(0,"Exception catched! : skip();");
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StorageContainer::throwJavaException(e,env);
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}
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}
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}
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else
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{
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ThrowException( env,
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"java/io/IOException",
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"Stream is not valid");
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: available
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* Signature: (Ljava/lang/String;Ljava/lang/String;)I
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*/
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JNIEXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_available
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(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "input" );
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aOpLog.logOperation( "available" );
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#endif
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::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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OSL_ENSURE(pHelper.get(),"No stream helper!");
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Reference<XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference<XInputStream>();
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if ( xIn.is() )
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{
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try
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{
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jint nAvailable = xIn->available();
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#ifdef HSQLDB_DBG
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aOpLog.logReturn( nAvailable );
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#endif
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return nAvailable;
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}
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catch(Exception& e)
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{
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OSL_ENSURE(0,"Exception caught! : available();");
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StorageContainer::throwJavaException(e,env);
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}
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}
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else
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{
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ThrowException( env,
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"java/io/IOException",
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"Stream is not valid");
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
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* Method: read
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* Signature: (Ljava/lang/String;Ljava/lang/String;[B)I
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*/
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JNIEXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3B
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(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jbyteArray buffer)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "input" );
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aOpLog.logOperation( "read( byte[] )" );
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DataLogFile aDataLog( env, name, "input" );
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#endif
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::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference< XInputStream>();
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OSL_ENSURE(xIn.is(),"Input stream is NULL!");
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jint nBytesRead = 0;
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if ( xIn.is() )
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{
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jsize nLen = env->GetArrayLength(buffer);
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Sequence< ::sal_Int8 > aData(nLen);
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try
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{
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nBytesRead = xIn->readBytes(aData,nLen);
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}
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catch(Exception& e)
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{
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OSL_ENSURE(0,"Exception catched! : skip();");
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StorageContainer::throwJavaException(e,env);
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}
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// Casting bytesRead to an int is okay, since the user can
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// only pass in an integer length to read, so the bytesRead
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// must <= len.
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//
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if (nBytesRead <= 0) {
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#ifdef HSQLDB_DBG
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aOpLog.logReturn( (jint)-1 );
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#endif
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return -1;
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}
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OSL_ENSURE(nLen >= nBytesRead,"Buffer is too small!");
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OSL_ENSURE(aData.getLength() >= nBytesRead,"Buffer is too small!");
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env->SetByteArrayRegion(buffer,0,nBytesRead,&aData[0]);
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#ifdef HSQLDB_DBG
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aDataLog.write( &aData[0], nBytesRead );
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#endif
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}
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#ifdef HSQLDB_DBG
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aOpLog.logReturn( nBytesRead );
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#endif
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return nBytesRead;
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}
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// -----------------------------------------------------------------------------
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