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Diffstat (limited to 'connectivity/source/drivers/jdbc/Clob.cxx')
| -rw-r--r-- | connectivity/source/drivers/jdbc/Clob.cxx | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/Clob.cxx b/connectivity/source/drivers/jdbc/Clob.cxx new file mode 100644 index 000000000..6108981ac --- /dev/null +++ b/connectivity/source/drivers/jdbc/Clob.cxx @@ -0,0 +1,132 @@ +/* -*- 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 . + */ + +#include <java/sql/Clob.hxx> +#include <java/tools.hxx> +#include <java/io/Reader.hxx> +#include <connectivity/dbexception.hxx> +#include <osl/diagnose.h> + +using namespace connectivity; + +//************ Class: java.sql.Clob + + +jclass java_sql_Clob::theClass = nullptr; + +java_sql_Clob::java_sql_Clob( JNIEnv * pEnv, jobject myObj ) + : java_lang_Object( pEnv, myObj ) +{ + SDBThreadAttach::addRef(); +} +java_sql_Clob::~java_sql_Clob() +{ + SDBThreadAttach::releaseRef(); +} + +jclass java_sql_Clob::getMyClass() const +{ + // the class must be fetched only once, therefore static + if( !theClass ) + theClass = findMyClass("java/sql/Clob"); + return theClass; +} + +sal_Int64 SAL_CALL java_sql_Clob::length( ) +{ + jlong out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!"); + + { + // initialize temporary variable + static const char * const cSignature = "()J"; + static const char * const cMethodName = "length"; + // execute Java-Call + static jmethodID mID(nullptr); + obtainMethodId_throwSQL(t.pEnv, cMethodName,cSignature, mID); + out = t.pEnv->CallLongMethod( object, mID ); + ThrowSQLException(t.pEnv,*this); + } //t.pEnv + return static_cast<sal_Int64>(out); +} + +OUString SAL_CALL java_sql_Clob::getSubString( sal_Int64 pos, sal_Int32 subStringLength ) +{ + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!"); + OUString aStr; + { + // initialize temporary variable + static const char * const cSignature = "(JI)Ljava/lang/String;"; + static const char * const cMethodName = "getSubString"; + // execute Java-Call + static jmethodID mID(nullptr); + obtainMethodId_throwSQL(t.pEnv, cMethodName,cSignature, mID); + jstring out = static_cast<jstring>(t.pEnv->CallObjectMethod( object, mID,pos,subStringLength)); + ThrowSQLException(t.pEnv,*this); + aStr = JavaString2String(t.pEnv,out); + } //t.pEnv + // WARNING: the caller becomes the owner of the returned pointer + return aStr; +} + +css::uno::Reference< css::io::XInputStream > SAL_CALL java_sql_Clob::getCharacterStream( ) +{ + SDBThreadAttach t; + static jmethodID mID(nullptr); + jobject out = callObjectMethod(t.pEnv,"getCharacterStream","()Ljava/io/Reader;", mID); + + // WARNING: the caller becomes the owner of the returned pointer + return out==nullptr ? nullptr : new java_io_Reader( t.pEnv, out ); +} + +sal_Int64 SAL_CALL java_sql_Clob::position( const OUString& searchstr, sal_Int32 start ) +{ + jlong out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!"); + + { + jvalue args[1]; + // convert Parameter + args[0].l = convertwchar_tToJavaString(t.pEnv,searchstr); + // initialize temporary Variable + static const char * const cSignature = "(Ljava/lang/String;I)J"; + static const char * const cMethodName = "position"; + // execute Java-Call + static jmethodID mID(nullptr); + obtainMethodId_throwSQL(t.pEnv, cMethodName,cSignature, mID); + out = t.pEnv->CallLongMethod( object, mID, args[0].l,start ); + ThrowSQLException(t.pEnv,*this); + t.pEnv->DeleteLocalRef(static_cast<jstring>(args[0].l)); + } //t.pEnv + return static_cast<sal_Int64>(out); +} + +sal_Int64 SAL_CALL java_sql_Clob::positionOfClob( const css::uno::Reference< css::sdbc::XClob >& /*pattern*/, sal_Int64 /*start*/ ) +{ + ::dbtools::throwFeatureNotImplementedSQLException( "XClob::positionOfClob", *this ); + // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore + // the pattern parameter. Since the effort for proper implementation is rather high - we would need + // to translated pattern into a byte[] -, we defer this functionality for the moment (hey, it was + // unusable, anyway) + // 2005-11-15 / #i57457# / frank.schoenheit@sun.com + return 0; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |