diff options
Diffstat (limited to 'desktop/source/deployment/dp_persmap.cxx')
| -rw-r--r-- | desktop/source/deployment/dp_persmap.cxx | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/desktop/source/deployment/dp_persmap.cxx b/desktop/source/deployment/dp_persmap.cxx new file mode 100644 index 000000000000..d93c5a52c782 --- /dev/null +++ b/desktop/source/deployment/dp_persmap.cxx @@ -0,0 +1,253 @@ +/************************************************************************* + * + * 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_desktop.hxx" + +#include "dp_misc.h" +#include "dp_ucb.h" +#include "dp_persmap.h" +#include "rtl/strbuf.hxx" +#include "rtl/ustrbuf.hxx" +#include "osl/file.hxx" +#include "osl/thread.h" + + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::rtl; +using ::osl::File; + +namespace dp_misc +{ + +//______________________________________________________________________________ +void PersistentMap::throw_rtexc( int err, char const * pmsg ) const +{ + OUStringBuffer buf; + buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("[") ); + buf.append( m_sysPath ); + buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("] Berkeley Db error (") ); + buf.append( static_cast<sal_Int32>(err) ); + buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("): ") ); + if (pmsg == 0) + pmsg = DbEnv::strerror(err); + const OString msg(pmsg); + buf.append( OUString( msg.getStr(), msg.getLength(), + osl_getThreadTextEncoding() ) ); + const OUString msg_(buf.makeStringAndClear()); + OSL_ENSURE( 0, rtl::OUStringToOString( + msg_, RTL_TEXTENCODING_UTF8 ).getStr() ); + throw RuntimeException( msg_, Reference<XInterface>() ); +} + +//______________________________________________________________________________ +PersistentMap::~PersistentMap() +{ + try { + m_db.close(0); + } + catch (DbException & exc) { + (void) exc; // avoid warnings + OSL_ENSURE( 0, DbEnv::strerror( exc.get_errno() ) ); + } +} + +//______________________________________________________________________________ +PersistentMap::PersistentMap( OUString const & url_, bool readOnly ) + : m_db( 0, 0 ) +{ + try { + OUString url( expandUnoRcUrl(url_) ); + if ( File::getSystemPathFromFileURL( url, m_sysPath ) != File::E_None ) + { + OSL_ASSERT( false ); + } + OString cstr_sysPath( + OUStringToOString( m_sysPath, RTL_TEXTENCODING_UTF8 ) ); + char const * pcstr_sysPath = cstr_sysPath.getStr(); + + u_int32_t flags = DB_CREATE; + if (readOnly) { + flags = DB_RDONLY; + if (! create_ucb_content( + 0, url, + Reference<com::sun::star::ucb::XCommandEnvironment>(), + false /* no throw */ )) { + // ignore non-existent file in read-only mode: simulate empty db + pcstr_sysPath = 0; + flags = DB_CREATE; + } + } + + int err = m_db.open( + // xxx todo: DB_THREAD, DB_DBT_MALLOC currently not used + 0, pcstr_sysPath, 0, DB_HASH, flags/* | DB_THREAD*/, 0664 /* fs mode */ ); + if (err != 0) + throw_rtexc(err); + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } +} + +//______________________________________________________________________________ +PersistentMap::PersistentMap() + : m_db( 0, 0 ) +{ + try { + // xxx todo: DB_THREAD, DB_DBT_MALLOC currently not used + int err = m_db.open( 0, 0, 0, DB_HASH, DB_CREATE/* | DB_THREAD*/, 0 ); + if (err != 0) + throw_rtexc(err); + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } +} + +//______________________________________________________________________________ +bool PersistentMap::has( OString const & key ) const +{ + return get( 0, key ); +} + +//______________________________________________________________________________ +bool PersistentMap::get( OString * value, OString const & key ) const +{ + try { + Dbt dbKey( const_cast< sal_Char * >(key.getStr()), key.getLength() ); + Dbt dbData; + int err = m_db.get( 0, &dbKey, &dbData, 0 ); + if (err == DB_NOTFOUND) + return false; + if (err == 0) { + if (value != 0) { + *value = OString( + static_cast< sal_Char const * >(dbData.get_data()), + dbData.get_size() ); + } + return true; + } + throw_rtexc(err); + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } + return false; // avoiding warning +} + +//______________________________________________________________________________ +void PersistentMap::put( OString const & key, OString const & value ) +{ + try { + Dbt dbKey( const_cast< sal_Char * >(key.getStr()), key.getLength() ); + Dbt dbData( const_cast< sal_Char * >( + value.getStr()), value.getLength() ); + int err = m_db.put( 0, &dbKey, &dbData, 0 ); + if (err == 0) { +#if OSL_DEBUG_LEVEL > 0 + OString v; + OSL_ASSERT( get( &v, key ) ); + OSL_ASSERT( v.equals( value ) ); +#endif + err = m_db.sync(0); + } + if (err != 0) + throw_rtexc(err); + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } +} + +//______________________________________________________________________________ +bool PersistentMap::erase( OString const & key, bool flush_immediately ) +{ + try { + Dbt dbKey( const_cast< sal_Char * >(key.getStr()), key.getLength() ); + int err = m_db.del( &dbKey, 0 ); + if (err == 0) { + if (flush_immediately) { + err = m_db.sync(0); + if (err != 0) + throw_rtexc(err); + } + return true; + } + if (err == DB_NOTFOUND) + return false; + throw_rtexc(err); + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } + return false; // avoiding warning +} + +//______________________________________________________________________________ +t_string2string_map PersistentMap::getEntries() const +{ + try { + Dbc * pcurs = 0; + int err = m_db.cursor( 0, &pcurs, 0 ); + if (err != 0) + throw_rtexc(err); + + t_string2string_map ret; + for (;;) { + Dbt dbKey, dbData; + err = pcurs->get( &dbKey, &dbData, DB_NEXT ); + if (err == DB_NOTFOUND) + break; + if (err != 0) + throw_rtexc(err); + + ::std::pair<t_string2string_map::iterator, bool > insertion( + ret.insert( t_string2string_map::value_type( + t_string2string_map::value_type( + OString( static_cast< sal_Char const * >( + dbKey.get_data()), + dbKey.get_size() ), + OString( static_cast< sal_Char const * >( + dbData.get_data()), + dbData.get_size() ) ) ) ) ); + OSL_ASSERT( insertion.second ); + } + err = pcurs->close(); + if (err != 0) + throw_rtexc(err); + return ret; + } + catch (DbException & exc) { + throw_rtexc( exc.get_errno(), exc.what() ); + } + return t_string2string_map(); // avoiding warning +} + +} + |