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
145
146
147
148
149
150
151
152
153
|
/* -*- 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 .
*/
#ifndef INCLUDED_BRIDGES_SOURCE_JNI_UNO_JNI_HELPER_H
#define INCLUDED_BRIDGES_SOURCE_JNI_UNO_JNI_HELPER_H
#include <sal/config.h>
#include <memory>
#include "jni_base.h"
#include "jni_info.h"
namespace jni_uno
{
inline void jstring_to_ustring(
JNI_context const & jni, rtl_uString ** out_ustr, jstring jstr )
{
if (nullptr == jstr)
{
rtl_uString_new( out_ustr );
}
else
{
jsize len = jni->GetStringLength( jstr );
std::unique_ptr< rtl_mem > mem(
rtl_mem::allocate(
sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ) );
rtl_uString * ustr = reinterpret_cast<rtl_uString *>(mem.get());
jni->GetStringRegion( jstr, 0, len, reinterpret_cast<jchar *>(ustr->buffer) );
jni.ensure_no_exception();
ustr->refCount = 1;
ustr->length = len;
ustr->buffer[ len ] = '\0';
mem.release();
if (nullptr != *out_ustr)
rtl_uString_release( *out_ustr );
*out_ustr = ustr;
}
}
inline OUString jstring_to_oustring(
JNI_context const & jni, jstring jstr )
{
rtl_uString * ustr = nullptr;
jstring_to_ustring( jni, &ustr, jstr );
return OUString( ustr, SAL_NO_ACQUIRE );
}
inline jstring ustring_to_jstring(
JNI_context const & jni, rtl_uString const * ustr )
{
jstring jstr = jni->NewString( reinterpret_cast<jchar const *>(ustr->buffer), ustr->length );
jni.ensure_no_exception();
return jstr;
}
// if inException, does not handle exceptions, in which case returned value will
// be null if exception occurred:
inline jclass find_class(
JNI_context const & jni, char const * class_name, bool inException = false )
{
// find_class may be called before the JNI_info is set:
jclass c=nullptr;
jmethodID m;
JNI_info const * info = jni.get_info();
if (info == nullptr) {
jni.getClassForName(&c, &m);
if (c == nullptr) {
if (inException) {
return nullptr;
}
jni.ensure_no_exception();
}
} else {
c = info->m_class_Class;
m = info->m_method_Class_forName;
}
return jni.findClass(class_name, c, m, inException);
}
inline jobject create_type( JNI_context const & jni, jclass clazz )
{
JNI_info const * jni_info = jni.get_info();
jvalue arg;
arg.l = clazz;
jobject jo_type = jni->NewObjectA(
jni_info->m_class_Type, jni_info->m_ctor_Type_with_Class, &arg );
jni.ensure_no_exception();
return jo_type;
}
inline jobject create_type(
JNI_context const & jni, typelib_TypeDescriptionReference * type )
{
JNI_info const * jni_info = jni.get_info();
jvalue args[ 2 ];
// get type class
args[ 0 ].i = type->eTypeClass;
JLocalAutoRef jo_type_class(
jni, jni->CallStaticObjectMethodA(
jni_info->m_class_TypeClass,
jni_info->m_method_TypeClass_fromInt, args ) );
jni.ensure_no_exception();
// construct type
JLocalAutoRef jo_type_name(
jni, ustring_to_jstring( jni, type->pTypeName ) );
args[ 0 ].l = jo_type_name.get();
args[ 1 ].l = jo_type_class.get();
jobject jo_type = jni->NewObjectA(
jni_info->m_class_Type,
jni_info->m_ctor_Type_with_Name_TypeClass, args );
jni.ensure_no_exception();
return jo_type;
}
inline jobject compute_oid( JNI_context const & jni, jobject jo )
{
JNI_info const * jni_info = jni.get_info();
jvalue arg;
arg.l= jo;
jobject jo_oid = jni->CallStaticObjectMethodA(
jni_info->m_class_UnoRuntime,
jni_info->m_method_UnoRuntime_generateOid, &arg );
jni.ensure_no_exception();
return jo_oid;
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
