diff options
Diffstat (limited to 'connectivity/source/drivers/hsqldb/HStorageAccess.cxx')
| -rw-r--r-- | connectivity/source/drivers/hsqldb/HStorageAccess.cxx | 551 |
1 files changed, 551 insertions, 0 deletions
diff --git a/connectivity/source/drivers/hsqldb/HStorageAccess.cxx b/connectivity/source/drivers/hsqldb/HStorageAccess.cxx new file mode 100644 index 000000000000..e7fab6acb6c0 --- /dev/null +++ b/connectivity/source/drivers/hsqldb/HStorageAccess.cxx @@ -0,0 +1,551 @@ +/************************************************************************* + * + * 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 "hsqldb/HStorageAccess.hxx" +#include <comphelper/processfactory.hxx> +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/embed/ElementModes.hpp> +#include <com/sun/star/io/XStream.hpp> +#include "hsqldb/HStorageMap.hxx" +#include "hsqldb/StorageNativeInputStream.h" +#include "accesslog.hxx" +#include "diagnose_ex.h" + +#include <string.h> + +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::embed; +using namespace ::com::sun::star::io; +using namespace ::com::sun::star::lang; +using namespace ::connectivity::hsqldb; + +#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) ) +#define ThrowException(env, type, msg) { \ + env->ThrowNew(env->FindClass(type), msg); } + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: openStream + * Signature: (Ljava/lang/String;Ljava/lang/String;I)V + */ +SAL_DLLPUBLIC_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_openStream + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key, jint mode) +{ +#ifdef HSQLDB_DBG + { + OperationLogFile( env, name, "data" ).logOperation( "openStream" ); + LogFile( env, name, "data" ).create(); + } +#endif + + StorageContainer::registerStream(env,name,key,mode); +} +// ----------------------------------------------------------------------------- +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: close + * Signature: (Ljava/lang/String;Ljava/lang/String;)V + */ +SAL_DLLPUBLIC_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_close + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key) +{ +#ifdef HSQLDB_DBG + { + ::rtl::OUString sKey = StorageContainer::jstring2ustring(env,key); + ::rtl::OUString sName = StorageContainer::jstring2ustring(env,name); + } +#endif + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XOutputStream> xFlush = pHelper.get() ? pHelper->getOutputStream() : Reference< XOutputStream>(); + if ( xFlush.is() ) + try + { + xFlush->flush(); + } + catch(Exception&) + { + OSL_ENSURE( false, "NativeStorageAccess::close: caught an exception while flushing!" ); + } +#ifdef HSQLDB_DBG + { + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "close" ); + aOpLog.close(); + + LogFile aDataLog( env, name, "data" ); + aDataLog.close(); + } +#endif + + StorageContainer::revokeStream(env,name,key); +} +// ----------------------------------------------------------------------------- +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: getFilePointer + * Signature: (Ljava/lang/String;Ljava/lang/String;)J + */ +SAL_DLLPUBLIC_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_getFilePointer + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "getFilePointer" ); +#endif + + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + OSL_ENSURE(pHelper.get(),"No stream helper!"); + + jlong nReturn = pHelper.get() ? pHelper->getSeek()->getPosition() : jlong(0); +#ifdef HSQLDB_DBG + aOpLog.logReturn( nReturn ); +#endif + return nReturn; +} +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: length + * Signature: (Ljava/lang/String;Ljava/lang/String;)J + */ +SAL_DLLPUBLIC_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_length + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "length" ); +#endif + + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + OSL_ENSURE(pHelper.get(),"No stream helper!"); + + jlong nReturn = pHelper.get() ? pHelper->getSeek()->getLength() :jlong(0); +#ifdef HSQLDB_DBG + aOpLog.logReturn( nReturn ); +#endif + return nReturn; +} + +// ----------------------------------------------------------------------------- + +jint read_from_storage_stream( JNIEnv * env, jobject /*obj_this*/, jstring name, jstring key, DataLogFile* logger ) +{ + OSL_UNUSED( logger ); + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference< XInputStream>(); + OSL_ENSURE(xIn.is(),"Input stream is NULL!"); + if ( xIn.is() ) + { + Sequence< ::sal_Int8 > aData(1); + sal_Int32 nBytesRead = -1; + try + { + nBytesRead = xIn->readBytes(aData,1); + } + catch(Exception& e) + { + StorageContainer::throwJavaException(e,env); + return -1; + + } + if (nBytesRead <= 0) + { + return (-1); + } + else + { + sal_Int32 tmpInt = aData[0]; + if (tmpInt < 0 ) + tmpInt = 256 +tmpInt; + +#ifdef HSQLDB_DBG + if ( logger ) + logger->write( tmpInt ); +#endif + return(tmpInt); + } + } + return -1; +} + +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: read + * Signature: (Ljava/lang/String;Ljava/lang/String;)I + */ +SAL_DLLPUBLIC_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_read__Ljava_lang_String_2Ljava_lang_String_2 + (JNIEnv* env, jobject obj_this, jstring name, jstring key) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "read" ); + + DataLogFile aDataLog( env, name, "data" ); + return read_from_storage_stream( env, obj_this, name, key, &aDataLog ); +#else + return read_from_storage_stream( env, obj_this, name, key ); +#endif +} + +// ----------------------------------------------------------------------------- + +jint read_from_storage_stream_into_buffer( JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key, jbyteArray buffer, jint off, jint len, DataLogFile* logger ) +{ + OSL_UNUSED( logger ); +#ifdef HSQLDB_DBG + { + ::rtl::OUString sKey = StorageContainer::jstring2ustring(env,key); + ::rtl::OUString sName = StorageContainer::jstring2ustring(env,name); + } +#endif + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference< XInputStream>(); + OSL_ENSURE(xIn.is(),"Input stream is NULL!"); + if ( xIn.is() ) + { + jsize nLen = env->GetArrayLength(buffer); + if ( nLen < len || len <= 0 ) + { + ThrowException( env, + "java/io/IOException", + "len is greater or equal to the buffer size"); + return -1; + } + sal_Int32 nBytesRead = -1; + + Sequence< ::sal_Int8 > aData(nLen); + try + { + nBytesRead = xIn->readBytes(aData, len); + } + catch(Exception& e) + { + StorageContainer::throwJavaException(e,env); + return -1; + } + + if (nBytesRead <= 0) + return -1; + env->SetByteArrayRegion(buffer,off,nBytesRead,&aData[0]); + +#ifdef HSQLDB_DBG + if ( logger ) + logger->write( aData.getConstArray(), nBytesRead ); +#endif + return nBytesRead; + } + ThrowException( env, + "java/io/IOException", + "Stream is not valid"); + return -1; +} +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: read + * Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I + */ +SAL_DLLPUBLIC_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_read__Ljava_lang_String_2Ljava_lang_String_2_3BII + (JNIEnv * env, jobject obj_this,jstring name, jstring key, jbyteArray buffer, jint off, jint len) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "read( byte[], int, int )" ); + + DataLogFile aDataLog( env, name, "data" ); + return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog ); +#else + return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len ); +#endif +} + +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: readInt + * Signature: (Ljava/lang/String;Ljava/lang/String;)I + */ +SAL_DLLPUBLIC_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_readInt + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "readInt" ); +#endif + + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference< XInputStream>(); + OSL_ENSURE(xIn.is(),"Input stream is NULL!"); + if ( xIn.is() ) + { + Sequence< ::sal_Int8 > aData(4); + sal_Int32 nBytesRead = -1; + try + { + nBytesRead = xIn->readBytes(aData, 4); + } + catch(Exception& e) + { + StorageContainer::throwJavaException(e,env); + return -1; + } + + if ( nBytesRead != 4 ) { + ThrowException( env, + "java/io/IOException", + "Bytes read != 4"); + return -1; + } + + Sequence< sal_Int32 > ch(4); + for(sal_Int32 i = 0;i < 4; ++i) + { + ch[i] = aData[i]; + if (ch[i] < 0 ) + ch[i] = 256 + ch[i]; + } + + if ((ch[0] | ch[1] | ch[2] | ch[3]) < 0) + { + ThrowException( env, + "java/io/IOException", + "One byte is < 0"); + return -1; + } + jint nRet = ((ch[0] << 24) + (ch[1] << 16) + (ch[2] << 8) + (ch[3] << 0)); +#ifdef HSQLDB_DBG + DataLogFile aDataLog( env, name, "data" ); + aDataLog.write( nRet ); + + aOpLog.logReturn( nRet ); +#endif + return nRet; + } + ThrowException( env, + "java/io/IOException", + "No InputStream"); + return -1; +} +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: seek + * Signature: (Ljava/lang/String;Ljava/lang/String;J)V + */ +SAL_DLLPUBLIC_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_seek + (JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key, jlong position) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "seek", position ); +#endif + + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XSeekable> xSeek = pHelper.get() ? pHelper->getSeek() : Reference< XSeekable>(); + + OSL_ENSURE(xSeek.is(),"No Seekable stream!"); + if ( xSeek.is() ) + { + #ifdef HSQLDB_DBG + DataLogFile aDataLog( env, name, "data" ); + #endif + + ::sal_Int64 nLen = xSeek->getLength(); + if ( nLen < position) + { + static ::sal_Int64 BUFFER_SIZE = 9192; + #ifdef HSQLDB_DBG + aDataLog.seek( nLen ); + #endif + xSeek->seek(nLen); + Reference< XOutputStream> xOut = pHelper->getOutputStream(); + OSL_ENSURE(xOut.is(),"No output stream!"); + + ::sal_Int64 diff = position - nLen; + sal_Int32 n; + while( diff != 0 ) + { + if ( BUFFER_SIZE < diff ) + { + n = static_cast<sal_Int32>(BUFFER_SIZE); + diff = diff - BUFFER_SIZE; + } + else + { + n = static_cast<sal_Int32>(diff); + diff = 0; + } + Sequence< ::sal_Int8 > aData(n); + memset(aData.getArray(),0,n); + xOut->writeBytes(aData); + #ifdef HSQLDB_DBG + aDataLog.write( aData.getConstArray(), n ); + #endif + } + } + xSeek->seek(position); + OSL_ENSURE(xSeek->getPosition() == position,"Wrong position after seeking the stream"); + + #ifdef HSQLDB_DBG + aDataLog.seek( position ); + OSL_ENSURE( xSeek->getPosition() == aDataLog.tell(), "Wrong position after seeking the stream" ); + #endif + } +} +// ----------------------------------------------------------------------------- + +void write_to_storage_stream_from_buffer( JNIEnv* env, jobject /*obj_this*/, jstring name, jstring key, jbyteArray buffer, jint off, jint len, DataLogFile* logger ) +{ + OSL_UNUSED( logger ); + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XOutputStream> xOut = pHelper.get() ? pHelper->getOutputStream() : Reference< XOutputStream>(); + OSL_ENSURE(xOut.is(),"Stream is NULL"); + + try + { + if ( xOut.is() ) + { + jbyte *buf = env->GetByteArrayElements(buffer,NULL); + if (JNI_FALSE != env->ExceptionCheck()) + { + env->ExceptionClear(); + OSL_ENSURE(0,"ExceptionClear"); + } + OSL_ENSURE(buf,"buf is NULL"); + if ( buf && len > 0 && len <= env->GetArrayLength(buffer)) + { + Sequence< ::sal_Int8 > aData(buf + off,len); + env->ReleaseByteArrayElements(buffer, buf, JNI_ABORT); + xOut->writeBytes(aData); +#ifdef HSQLDB_DBG + if ( logger ) + logger->write( aData.getConstArray(), len ); +#endif + } + } + else + { + ThrowException( env, + "java/io/IOException", + "No OutputStream"); + } + } + catch(Exception& e) + { + OSL_ENSURE(0,"Exception caught! : write [BII)V"); + StorageContainer::throwJavaException(e,env); + } +} + +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: write + * Signature: (Ljava/lang/String;Ljava/lang/String;[BII)V + */ +SAL_DLLPUBLIC_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_write + (JNIEnv * env, jobject obj_this,jstring name, jstring key, jbyteArray buffer, jint off, jint len) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "write( byte[], int, int )" ); + + DataLogFile aDataLog( env, name, "data" ); + write_to_storage_stream_from_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog ); +#else + write_to_storage_stream_from_buffer( env, obj_this, name, key, buffer, off, len ); +#endif +} +// ----------------------------------------------------------------------------- + +void write_to_storage_stream( JNIEnv* env, jobject /*obj_this*/, jstring name, jstring key, jint v, DataLogFile* logger ) +{ + OSL_UNUSED( logger ); + + ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key); + Reference< XOutputStream> xOut = pHelper.get() ? pHelper->getOutputStream() : Reference< XOutputStream>(); + OSL_ENSURE(xOut.is(),"Stream is NULL"); + try + { + if ( xOut.is() ) + { + Sequence< ::sal_Int8 > oneByte(4); + oneByte[0] = (sal_Int8) ((v >> 24) & 0xFF); + oneByte[1] = (sal_Int8) ((v >> 16) & 0xFF); + oneByte[2] = (sal_Int8) ((v >> 8) & 0xFF); + oneByte[3] = (sal_Int8) ((v >> 0) & 0xFF); + + xOut->writeBytes(oneByte); +#ifdef HSQLDB_DBG + if ( logger ) + logger->write( oneByte.getConstArray(), 4 ); +#endif + } + else + { + ThrowException( env, + "java/io/IOException", + "No OutputStream"); + } + } + catch(Exception& e) + { + OSL_ENSURE(0,"Exception catched! : writeBytes(aData);"); + StorageContainer::throwJavaException(e,env); + } +} + +// ----------------------------------------------------------------------------- + +/* + * Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess + * Method: writeInt + * Signature: (Ljava/lang/String;Ljava/lang/String;I)V + */ +SAL_DLLPUBLIC_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_writeInt + (JNIEnv * env, jobject obj_this,jstring name, jstring key, jint v) +{ +#ifdef HSQLDB_DBG + OperationLogFile aOpLog( env, name, "data" ); + aOpLog.logOperation( "writeInt" ); + + DataLogFile aDataLog( env, name, "data" ); + write_to_storage_stream( env, obj_this, name, key, v, &aDataLog ); +#else + write_to_storage_stream( env, obj_this, name, key, v ); +#endif +} |