1 files changed, 291 insertions, 0 deletions
diff --git a/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx b/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx
new file mode 100644
index 000000000..bdafac4ee
--- /dev/null
+++ b/connectivity/source/drivers/hsqldb/StorageNativeInputStream.cxx
@@ -0,0 +1,291 @@
+/* -*- 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 .
+ */
+
+
+#if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <com/sun/star/io/XStream.hpp>
+#include <com/sun/star/document/XDocumentSubStorageSupplier.hpp>
+#include <hsqldb/HStorageAccess.hxx>
+#include <hsqldb/HStorageMap.hxx>
+
+#include <osl/diagnose.h>
+#include "accesslog.hxx"
+
+#include <limits>
+
+
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::document;
+using namespace ::com::sun::star::embed;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::lang;
+using namespace ::connectivity::hsqldb;
+
+/*****************************************************************************/
+/* exception macros */
+
+#define ThrowException(env, type, msg) { \
+    env->ThrowNew(env->FindClass(type), msg); }
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    openStream
+ * Signature: (Ljava/lang/String;Ljava/lang/String;I)V
+ */
+extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_openStream
+  (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jint mode)
+{
+#ifdef HSQLDB_DBG
+    {
+        OperationLogFile( env, name, "input" ).logOperation( "openStream" );
+        LogFile( env, name, "input" ).create();
+    }
+#endif
+    StorageContainer::registerStream(env,name,key,mode);
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    read
+ * Signature: (Ljava/lang/String;Ljava/lang/String;)I
+ */
+extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2
+  (JNIEnv * env, jobject /*obj_this*/, jstring key, jstring name)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile( env, name, "input" ).logOperation( "read()" );
+
+    DataLogFile aDataLog( env, name, "input" );
+    return read_from_storage_stream( env, obj_this, name, key, &aDataLog );
+#else
+    return read_from_storage_stream( env, name, key );
+#endif
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    read
+ * Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I
+ */
+extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3BII
+  (JNIEnv * env, jobject obj_this, jstring key, jstring name, jbyteArray buffer, jint off, jint len)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile( env, name, "input" ).logOperation( "read( byte[], int, int )" );
+
+    DataLogFile aDataLog( env, name, "input" );
+    return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
+#else
+    (void)obj_this;
+    return read_from_storage_stream_into_buffer(env, name,key,buffer,off,len);
+#endif
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    close
+ * Signature: (Ljava/lang/String;Ljava/lang/String;)V
+ */
+extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_close
+  (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile aOpLog( env, name, "input" );
+    aOpLog.logOperation( "close" );
+    aOpLog.close();
+
+    LogFile aDataLog( env, name, "input" );
+    aDataLog.close();
+#endif
+    StorageContainer::revokeStream(env,name,key);
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    skip
+ * Signature: (Ljava/lang/String;Ljava/lang/String;J)J
+ */
+extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_skip
+  (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jlong n)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile( env, name, "input" ).logOperation( "skip()" );
+#endif
+
+    if ( n < 0 )
+        ThrowException( env,
+                        "java/io/IOException",
+                        "n < 0");
+
+    std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
+    OSL_ENSURE(pHelper.get(),"No stream helper!");
+    if ( pHelper )
+    {
+        Reference<XInputStream> xIn = pHelper->getInputStream();
+        if ( xIn.is() )
+        {
+            try
+            {
+                sal_Int64 tmpLongVal = n;
+                sal_Int32 tmpIntVal;
+
+                try
+                {
+                    do {
+                        if (tmpLongVal >= std::numeric_limits<sal_Int64>::max() )
+                            tmpIntVal = std::numeric_limits<sal_Int32>::max();
+                        else // Casting is safe here.
+                            tmpIntVal = static_cast<sal_Int32>(tmpLongVal);
+
+                        tmpLongVal -= tmpIntVal;
+
+                        xIn->skipBytes(tmpIntVal);
+
+                    } while (tmpLongVal > 0);
+                }
+                catch(const Exception&)
+                {
+                }
+
+                return n - tmpLongVal;
+            }
+            catch(const Exception& e)
+            {
+                OSL_FAIL("Exception caught! : skip();");
+                StorageContainer::throwJavaException(e,env);
+            }
+        }
+    }
+    else
+    {
+        ThrowException( env,
+                        "java/io/IOException",
+                        "Stream is not valid");
+    }
+    return 0;
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    available
+ * Signature: (Ljava/lang/String;Ljava/lang/String;)I
+ */
+extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_available
+  (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile aOpLog( env, name, "input" );
+    aOpLog.logOperation( "available" );
+#endif
+
+    std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
+    OSL_ENSURE(pHelper.get(),"No stream helper!");
+    Reference<XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference<XInputStream>();
+    if ( xIn.is() )
+    {
+        try
+        {
+            jint nAvailable = xIn->available();
+#ifdef HSQLDB_DBG
+            aOpLog.logReturn( nAvailable );
+#endif
+            return nAvailable;
+        }
+        catch(const Exception& e)
+        {
+            OSL_FAIL("Exception caught! : available();");
+            StorageContainer::throwJavaException(e,env);
+        }
+    }
+    else
+    {
+        ThrowException( env,
+                        "java/io/IOException",
+                        "Stream is not valid");
+    }
+    return 0;
+}
+
+
+/*
+ * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
+ * Method:    read
+ * Signature: (Ljava/lang/String;Ljava/lang/String;[B)I
+ */
+extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3B
+  (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jbyteArray buffer)
+{
+#ifdef HSQLDB_DBG
+    OperationLogFile aOpLog( env, name, "input" );
+    aOpLog.logOperation( "read( byte[] )" );
+
+    DataLogFile aDataLog( env, name, "input" );
+#endif
+
+    std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
+    Reference< XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference< XInputStream>();
+    OSL_ENSURE(xIn.is(),"Input stream is NULL!");
+    jint nBytesRead = 0;
+    if ( xIn.is() )
+    {
+        jsize nLen = env->GetArrayLength(buffer);
+        Sequence< ::sal_Int8 > aData(nLen);
+
+        try
+        {
+            nBytesRead = xIn->readBytes(aData,nLen);
+        }
+        catch(const Exception& e)
+        {
+            OSL_FAIL("Exception caught! : skip();");
+            StorageContainer::throwJavaException(e,env);
+        }
+
+        // Casting bytesRead to an int is okay, since the user can
+        // only pass in an integer length to read, so the bytesRead
+        // must <= len.
+
+        if (nBytesRead <= 0) {
+#ifdef HSQLDB_DBG
+            aOpLog.logReturn( (jint)-1 );
+#endif
+            return -1;
+        }
+        OSL_ENSURE(nLen >= nBytesRead,"Buffer is too small!");
+        OSL_ENSURE(aData.getLength() >= nBytesRead,"Buffer is too small!");
+        env->SetByteArrayRegion(buffer, 0, nBytesRead, reinterpret_cast<jbyte*>(&aData[0]));
+#ifdef HSQLDB_DBG
+        aDataLog.write( &aData[0], nBytesRead );
+#endif
+    }
+#ifdef HSQLDB_DBG
+    aOpLog.logReturn( nBytesRead );
+#endif
+    return nBytesRead;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */