Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */