summaryrefslogtreecommitdiffstats
path: root/connectivity/source/drivers/jdbc/Blob.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'connectivity/source/drivers/jdbc/Blob.cxx')
-rw-r--r--connectivity/source/drivers/jdbc/Blob.cxx144
1 files changed, 144 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/Blob.cxx b/connectivity/source/drivers/jdbc/Blob.cxx
new file mode 100644
index 000000000..4531fc9b8
--- /dev/null
+++ b/connectivity/source/drivers/jdbc/Blob.cxx
@@ -0,0 +1,144 @@
+/* -*- 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/Blob.hxx>
+#include <java/io/InputStream.hxx>
+#include <connectivity/dbexception.hxx>
+#include <osl/diagnose.h>
+
+#include <string.h>
+
+using namespace connectivity;
+
+//************ Class: java.sql.Blob
+
+
+jclass java_sql_Blob::theClass = nullptr;
+java_sql_Blob::java_sql_Blob( JNIEnv * pEnv, jobject myObj )
+ : java_lang_Object( pEnv, myObj )
+{
+ SDBThreadAttach::addRef();
+}
+java_sql_Blob::~java_sql_Blob()
+{
+ SDBThreadAttach::releaseRef();
+}
+
+jclass java_sql_Blob::getMyClass() const
+{
+ // the class must be fetched only once, therefore it's static
+ if( !theClass )
+ theClass = findMyClass("java/sql/Blob");
+ return theClass;
+}
+
+sal_Int64 SAL_CALL java_sql_Blob::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";
+ // submit 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);
+}
+css::uno::Sequence< sal_Int8 > SAL_CALL java_sql_Blob::getBytes( sal_Int64 pos, sal_Int32 count )
+{
+
+ SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!");
+ css::uno::Sequence< sal_Int8 > aSeq;
+ {
+ // initialize temporary variable
+ static const char * const cSignature = "(JI)[B";
+ static const char * const cMethodName = "getBytes";
+ // submit Java-Call
+ static jmethodID mID(nullptr);
+ obtainMethodId_throwSQL(t.pEnv, cMethodName,cSignature, mID);
+ jbyteArray out = static_cast<jbyteArray>(t.pEnv->CallObjectMethod( object, mID,pos,count));
+ ThrowSQLException(t.pEnv,*this);
+ if(out)
+ {
+ jboolean p = false;
+ aSeq.realloc(t.pEnv->GetArrayLength(out));
+ memcpy(aSeq.getArray(),t.pEnv->GetByteArrayElements(out,&p),aSeq.getLength());
+ t.pEnv->DeleteLocalRef(out);
+ }
+ } //t.pEnv
+ // WARNING: the caller becomes the owner of the returned pointer
+ return aSeq;
+}
+
+css::uno::Reference< css::io::XInputStream > SAL_CALL java_sql_Blob::getBinaryStream( )
+{
+ SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!");
+ static jmethodID mID(nullptr);
+ jobject out = callObjectMethod(t.pEnv,"getBinaryStream","()Ljava/io/InputStream;", mID);
+ // WARNING: the caller becomes the owner of the returned pointer
+ return out==nullptr ? nullptr : new java_io_InputStream( t.pEnv, out );
+}
+
+sal_Int64 SAL_CALL java_sql_Blob::position( const css::uno::Sequence< sal_Int8 >& pattern, sal_Int64 start )
+{
+ jlong out(0);
+ SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java environment has been deleted!");
+
+ {
+ // initialize temporary variable
+ static const char * const cSignature = "([BI)J";
+ static const char * const cMethodName = "position";
+ // submit Java-Call
+ static jmethodID mID(nullptr);
+ obtainMethodId_throwSQL(t.pEnv, cMethodName,cSignature, mID);
+ // convert Parameter
+ jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength());
+ jbyte * patternData = reinterpret_cast<jbyte *>(
+ const_cast<sal_Int8 *>(pattern.getConstArray()));
+ // 4th param of Set*ArrayRegion changed from pointer to non-const to
+ // pointer to const between <http://docs.oracle.com/javase/6/docs/
+ // technotes/guides/jni/spec/functions.html#wp22933> and
+ // <http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/
+ // functions.html#wp22933>; work around that difference in a way
+ // that doesn't trigger loplugin:redundantcast
+ t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),patternData);
+ out = t.pEnv->CallLongMethod( object, mID, pByteArray,start );
+ t.pEnv->DeleteLocalRef(pByteArray);
+ ThrowSQLException(t.pEnv,*this);
+ } //t.pEnv
+ return static_cast<sal_Int64>(out);
+}
+
+sal_Int64 SAL_CALL java_sql_Blob::positionOfBlob( const css::uno::Reference< css::sdbc::XBlob >& /*pattern*/, sal_Int64 /*start*/ )
+{
+ ::dbtools::throwFeatureNotImplementedSQLException( "XBlob::positionOfBlob", *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)
+ // #i57457#
+ return 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */