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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
#include <config.h>
#endif
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/document/XDocumentSubStorageSupplier.hpp>
#include <hsqldb/HStorageAccess.hxx>
#include <hsqldb/HStorageMap.hxx>
#include <osl/diagnose.h>
#include <tools/diagnose_ex.h>
#include "accesslog.hxx"
#include <limits>
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::embed;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::connectivity::hsqldb;
/*****************************************************************************/
/* exception macros */
#define ThrowException(env, type, msg) { \
env->ThrowNew(env->FindClass(type), msg); }
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: openStream
* Signature: (Ljava/lang/String;Ljava/lang/String;I)V
*/
extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_openStream
(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jint mode)
{
#ifdef HSQLDB_DBG
{
OperationLogFile( env, name, "input" ).logOperation( "openStream" );
LogFile( env, name, "input" ).create();
}
#endif
StorageContainer::registerStream(env,name,key,mode);
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: read
* Signature: (Ljava/lang/String;Ljava/lang/String;)I
*/
extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2
(JNIEnv * env, jobject /*obj_this*/, jstring key, jstring name)
{
#ifdef HSQLDB_DBG
OperationLogFile( env, name, "input" ).logOperation( "read()" );
DataLogFile aDataLog( env, name, "input" );
return read_from_storage_stream( env, obj_this, name, key, &aDataLog );
#else
return read_from_storage_stream( env, name, key );
#endif
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: read
* Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I
*/
extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3BII
(JNIEnv * env, jobject obj_this, jstring key, jstring name, jbyteArray buffer, jint off, jint len)
{
#ifdef HSQLDB_DBG
OperationLogFile( env, name, "input" ).logOperation( "read( byte[], int, int )" );
DataLogFile aDataLog( env, name, "input" );
return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
#else
(void)obj_this;
return read_from_storage_stream_into_buffer(env, name,key,buffer,off,len);
#endif
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: close
* Signature: (Ljava/lang/String;Ljava/lang/String;)V
*/
extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_close
(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
{
#ifdef HSQLDB_DBG
OperationLogFile aOpLog( env, name, "input" );
aOpLog.logOperation( "close" );
aOpLog.close();
LogFile aDataLog( env, name, "input" );
aDataLog.close();
#endif
StorageContainer::revokeStream(env,name,key);
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: skip
* Signature: (Ljava/lang/String;Ljava/lang/String;J)J
*/
extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_skip
(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jlong n)
{
#ifdef HSQLDB_DBG
OperationLogFile( env, name, "input" ).logOperation( "skip()" );
#endif
if ( n < 0 )
ThrowException( env,
"java/io/IOException",
"n < 0");
std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
OSL_ENSURE(pHelper,"No stream helper!");
if ( pHelper )
{
Reference<XInputStream> xIn = pHelper->getInputStream();
if ( xIn.is() )
{
try
{
sal_Int64 tmpLongVal = n;
sal_Int32 tmpIntVal;
try
{
do {
if (tmpLongVal >= std::numeric_limits<sal_Int64>::max() )
tmpIntVal = std::numeric_limits<sal_Int32>::max();
else // Casting is safe here.
tmpIntVal = static_cast<sal_Int32>(tmpLongVal);
tmpLongVal -= tmpIntVal;
xIn->skipBytes(tmpIntVal);
} while (tmpLongVal > 0);
}
catch(const Exception&)
{
}
return n - tmpLongVal;
}
catch(const Exception& e)
{
TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "skip();");
StorageContainer::throwJavaException(e,env);
}
}
}
else
{
ThrowException( env,
"java/io/IOException",
"Stream is not valid");
}
return 0;
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: available
* Signature: (Ljava/lang/String;Ljava/lang/String;)I
*/
extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_available
(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
{
#ifdef HSQLDB_DBG
OperationLogFile aOpLog( env, name, "input" );
aOpLog.logOperation( "available" );
#endif
std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
OSL_ENSURE(pHelper,"No stream helper!");
Reference<XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference<XInputStream>();
if ( xIn.is() )
{
try
{
jint nAvailable = xIn->available();
#ifdef HSQLDB_DBG
aOpLog.logReturn( nAvailable );
#endif
return nAvailable;
}
catch(const Exception& e)
{
TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "available();");
StorageContainer::throwJavaException(e,env);
}
}
else
{
ThrowException( env,
"java/io/IOException",
"Stream is not valid");
}
return 0;
}
/*
* Class: com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
* Method: read
* Signature: (Ljava/lang/String;Ljava/lang/String;[B)I
*/
extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3B
(JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jbyteArray buffer)
{
#ifdef HSQLDB_DBG
OperationLogFile aOpLog( env, name, "input" );
aOpLog.logOperation( "read( byte[] )" );
DataLogFile aDataLog( env, name, "input" );
#endif
std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
Reference< XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference< XInputStream>();
OSL_ENSURE(xIn.is(),"Input stream is NULL!");
jint nBytesRead = 0;
if ( xIn.is() )
{
jsize nLen = env->GetArrayLength(buffer);
Sequence< ::sal_Int8 > aData(nLen);
try
{
nBytesRead = xIn->readBytes(aData,nLen);
}
catch(const Exception& e)
{
TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "skip();");
StorageContainer::throwJavaException(e,env);
}
// Casting bytesRead to an int is okay, since the user can
// only pass in an integer length to read, so the bytesRead
// must <= len.
if (nBytesRead <= 0) {
#ifdef HSQLDB_DBG
aOpLog.logReturn( (jint)-1 );
#endif
return -1;
}
OSL_ENSURE(nLen >= nBytesRead,"Buffer is too small!");
OSL_ENSURE(aData.getLength() >= nBytesRead,"Buffer is too small!");
env->SetByteArrayRegion(buffer, 0, nBytesRead, reinterpret_cast<const jbyte*>(&aData[0]));
#ifdef HSQLDB_DBG
aDataLog.write( &aData[0], nBytesRead );
#endif
}
#ifdef HSQLDB_DBG
aOpLog.logReturn( nBytesRead );
#endif
return nBytesRead;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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