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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /connectivity/source/drivers/jdbc/InputStream.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'connectivity/source/drivers/jdbc/InputStream.cxx')
-rw-r--r-- | connectivity/source/drivers/jdbc/InputStream.cxx | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/InputStream.cxx b/connectivity/source/drivers/jdbc/InputStream.cxx new file mode 100644 index 000000000..c384760b3 --- /dev/null +++ b/connectivity/source/drivers/jdbc/InputStream.cxx @@ -0,0 +1,113 @@ +/* -*- 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 <sal/config.h> +#include <sal/log.hxx> + +#include <com/sun/star/io/BufferSizeExceededException.hpp> +#include <java/io/InputStream.hxx> +#include <osl/diagnose.h> + +#include <string.h> + +using namespace connectivity; + +#if OSL_DEBUG_LEVEL > 0 +#define THROW_WHERE SAL_WHERE +#else +#define THROW_WHERE "" +#endif + + +//************ Class: java.io.InputStream + + +jclass java_io_InputStream::theClass = nullptr; +java_io_InputStream::java_io_InputStream( JNIEnv * pEnv, jobject myObj ) + : java_lang_Object( pEnv, myObj ) +{ + SDBThreadAttach::addRef(); +} +java_io_InputStream::~java_io_InputStream() +{ + SDBThreadAttach::releaseRef(); +} + +jclass java_io_InputStream::getMyClass() const +{ + // the class must be fetched only once, therefore static + if( !theClass ) + theClass = findMyClass("java/io/InputStream"); + return theClass; +} + + +sal_Int32 SAL_CALL java_io_InputStream::readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) +{ + return readBytes(aData,nMaxBytesToRead); +} + +void SAL_CALL java_io_InputStream::skipBytes( sal_Int32 nBytesToSkip ) +{ + static jmethodID mID(nullptr); + callIntMethodWithIntArg_ThrowRuntime("skip",mID,nBytesToSkip); +} + +sal_Int32 SAL_CALL java_io_InputStream::available( ) +{ + static jmethodID mID(nullptr); + return callIntMethod_ThrowRuntime("available", mID); +} + +void SAL_CALL java_io_InputStream::closeInput( ) +{ + static jmethodID mID(nullptr); + callVoidMethod_ThrowRuntime("close",mID); +} + +sal_Int32 SAL_CALL java_io_InputStream::readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) +{ + if (nBytesToRead < 0) + throw css::io::BufferSizeExceededException( THROW_WHERE, *this ); + + jint out(0); + SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!"); + + { + jbyteArray pByteArray = t.pEnv->NewByteArray(nBytesToRead); + static const char * const cSignature = "([BII)I"; + static const char * const cMethodName = "read"; + // execute Java-Call + static jmethodID mID(nullptr); + obtainMethodId_throwRuntime(t.pEnv, cMethodName,cSignature, mID); + out = t.pEnv->CallIntMethod( object, mID, pByteArray, 0, nBytesToRead ); + if ( !out ) + ThrowRuntimeException(t.pEnv,*this); + if(out > 0) + { + jboolean p = false; + aData.realloc ( out ); + memcpy(aData.getArray(),t.pEnv->GetByteArrayElements(pByteArray,&p),out); + } + t.pEnv->DeleteLocalRef(pByteArray); + } //t.pEnv + return out; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |