1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #include <ucbhelper/registerucb.hxx>
21 #include <com/sun/star/lang/IllegalArgumentException.hpp>
22 #include <com/sun/star/ucb/DuplicateProviderException.hpp>
23 #include <com/sun/star/ucb/XContentProviderManager.hpp>
24 #include <com/sun/star/ucb/XParameterizedContentProvider.hpp>
25 #include <com/sun/star/ucb/ContentProviderProxyFactory.hpp>
26 #include <com/sun/star/ucb/XContentProviderFactory.hpp>
27 #include <com/sun/star/uno/XComponentContext.hpp>
28 #include <com/sun/star/uno/RuntimeException.hpp>
29
30 #include <osl/diagnose.h>
31
32 using namespace com::sun::star;
33
34 namespace ucbhelper {
35
36
37 // registerAtUcb
38
39
40 bool
registerAtUcb(uno::Reference<ucb::XContentProviderManager> const & rManager,uno::Reference<uno::XComponentContext> const & rxContext,OUString const & rName,OUString const & rArguments,OUString const & rTemplate)41 registerAtUcb(
42 uno::Reference< ucb::XContentProviderManager > const & rManager,
43 uno::Reference< uno::XComponentContext > const & rxContext,
44 OUString const & rName,
45 OUString const & rArguments,
46 OUString const & rTemplate)
47 {
48 OSL_ENSURE(rxContext.is(),
49 "ucb::registerAtUcb(): No service factory");
50
51 bool bNoProxy = rArguments.startsWith("{noproxy}");
52 OUString
53 aProviderArguments(bNoProxy ?
54 rArguments.
55 copy(RTL_CONSTASCII_LENGTH("{noproxy}")) :
56 rArguments);
57
58 uno::Reference< ucb::XContentProvider > xProvider;
59
60 if (!rName.isEmpty())
61 {
62 // First, try to instantiate proxy for provider:
63 if (!bNoProxy)
64 {
65 uno::Reference< ucb::XContentProviderFactory > xProxyFactory;
66 try
67 {
68 xProxyFactory = ucb::ContentProviderProxyFactory::create( rxContext );
69 }
70 catch (uno::Exception const &) {}
71 OSL_ENSURE(xProxyFactory.is(), "No ContentProviderProxyFactory");
72 if (xProxyFactory.is())
73 xProvider = xProxyFactory->createContentProvider(rName);
74 }
75
76 // Then, try to instantiate provider directly:
77 if (!xProvider.is())
78 try
79 {
80 xProvider.set(
81 rxContext->getServiceManager()->createInstanceWithContext(rName, rxContext),
82 uno::UNO_QUERY);
83 }
84 catch (uno::RuntimeException const &) { throw; }
85 catch (uno::Exception const &) {}
86 }
87
88 uno::Reference< ucb::XParameterizedContentProvider >
89 xParameterized(xProvider, uno::UNO_QUERY);
90 if (xParameterized.is())
91 {
92 uno::Reference< ucb::XContentProvider > xInstance;
93 try
94 {
95 xInstance = xParameterized->registerInstance(rTemplate,
96 aProviderArguments,
97 true);
98 //@@@ if this call replaces an old instance, the commit-or-
99 // rollback code below will not work
100 }
101 catch (lang::IllegalArgumentException const &) {}
102
103 if (xInstance.is())
104 xProvider = xInstance;
105 }
106
107 bool bSuccess = false;
108 if (rManager.is() && (rName.isEmpty() || xProvider.is()))
109 {
110 try
111 {
112 rManager->registerContentProvider(xProvider, rTemplate, true);
113 bSuccess = true;
114 }
115 catch (ucb::DuplicateProviderException const &)
116 {
117 if (xParameterized.is())
118 try
119 {
120 xParameterized->deregisterInstance(rTemplate,
121 aProviderArguments);
122 }
123 catch (lang::IllegalArgumentException const &) {}
124 }
125 catch (...)
126 {
127 if (xParameterized.is())
128 try
129 {
130 xParameterized->deregisterInstance(rTemplate,
131 aProviderArguments);
132 }
133 catch (lang::IllegalArgumentException const &) {}
134 catch (uno::RuntimeException const &) {}
135 throw;
136 }
137 }
138 return bSuccess;
139 }
140
141 }
142
143 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
144