1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
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: */
|
