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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 : #ifndef COMPHELPER_COMPONENTCONTEXT_HXX
21 : #define COMPHELPER_COMPONENTCONTEXT_HXX
22 :
23 : #include <comphelper/comphelperdllapi.h>
24 :
25 : #include <com/sun/star/uno/XComponentContext.hpp>
26 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
27 :
28 : //........................................................................
29 : namespace comphelper
30 : {
31 : //........................................................................
32 :
33 : //====================================================================
34 : //= ComponentContext
35 : //====================================================================
36 : /** a helper class for working with a component context
37 : */
38 2225 : class COMPHELPER_DLLPUBLIC ComponentContext
39 : {
40 : private:
41 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
42 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiComponentFactory > m_xORB;
43 :
44 : public:
45 : /** constructs an instance
46 : @param _rxContext
47 : the component context to manage
48 : @throws ::com::sun::star::lang::NullPointerException
49 : if the given context, or its component factory, are <NULL/>
50 : */
51 : ComponentContext( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext );
52 :
53 : /** constructs an instance
54 : @param _rxLegacyFactory
55 : the legacy service factor to obtain the <type scope="com::sun::star::uno">XComponentContext</type> from
56 : @throws ::com::sun::star::uno::RuntimeException
57 : if the given factory or does not have a DefaultContext property to obtain
58 : a component context
59 : @throws ::com::sun::star::lang::NullPointerException
60 : if the given factory is <NULL/>, or provides a component context being <NULL/>, or provides
61 : a component context whose component factory is <NULL/>
62 : */
63 : ComponentContext( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxLegacyFactory );
64 :
65 : /** returns the ->XComponentContext interface
66 : */
67 : inline ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >
68 43 : getUNOContext() const { return m_xContext; }
69 :
70 : /** determines whether the context is not <NULL/>
71 : */
72 1231 : inline sal_Bool is() const
73 : {
74 1231 : return m_xContext.is();
75 : }
76 :
77 : /** creates a component using our component factory/context
78 : @throws ::com::sun::star::uno::Exception
79 : @return
80 : <TRUE/> if and only if the component could be successfully created
81 : */
82 : template < typename INTERFACE >
83 0 : bool createComponent( const ::rtl::OUString& _rServiceName, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
84 : {
85 0 : _out_rxComponent.clear();
86 0 : _out_rxComponent = _out_rxComponent.query(
87 : m_xORB->createInstanceWithContext( _rServiceName, m_xContext )
88 : );
89 0 : return _out_rxComponent.is();
90 : }
91 :
92 : /** creates a component using our component factory/context
93 : @throws ::com::sun::star::uno::Exception
94 : @return
95 : <TRUE/> if and only if the component could be successfully created
96 : */
97 : template < typename INTERFACE >
98 0 : bool createComponent( const sal_Char* _pAsciiServiceName, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
99 : {
100 0 : return createComponent( ::rtl::OUString::createFromAscii( _pAsciiServiceName ), _out_rxComponent );
101 : }
102 :
103 : /** creates a component using our component factory/context, passing creation arguments
104 : @throws ::com::sun::star::uno::Exception
105 : @return
106 : <TRUE/> if and only if the component could be successfully created
107 : */
108 : template < typename INTERFACE >
109 0 : bool createComponentWithArguments( const ::rtl::OUString& _rServiceName, const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& _rArguments, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
110 : {
111 0 : _out_rxComponent.clear();
112 0 : _out_rxComponent = _out_rxComponent.query(
113 : m_xORB->createInstanceWithArgumentsAndContext( _rServiceName, _rArguments, m_xContext )
114 : );
115 0 : return _out_rxComponent.is();
116 : }
117 :
118 : /** creates a component using our component factory/context, passing creation arguments
119 : @throws ::com::sun::star::uno::Exception
120 : @return
121 : <TRUE/> if and only if the component could be successfully created
122 : */
123 : template < typename INTERFACE >
124 0 : bool createComponentWithArguments( const sal_Char* _pAsciiServiceName, const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& _rArguments, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
125 : {
126 0 : return createComponentWithArguments( ::rtl::OUString::createFromAscii( _pAsciiServiceName ), _rArguments, _out_rxComponent );
127 : }
128 :
129 : /** creates a component using our component factory/context
130 :
131 : @throws ::com::sun::star::lang::ServiceNotRegisteredException
132 : if the given service is not registered
133 : @throws Exception
134 : if an exception occurred during creating the component
135 : @return
136 : the newly created component. Is never <NULL/>.
137 : */
138 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponent( const ::rtl::OUString& _rServiceName ) const;
139 :
140 : /** creates a component using our component factory/context
141 :
142 : @throws ::com::sun::star::lang::ServiceNotRegisteredException
143 : if the given service is not registered
144 : @throws Exception
145 : if an exception occurred during creating the component
146 : @return
147 : the newly created component. Is never <NULL/>.
148 : */
149 18 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponent( const sal_Char* _pAsciiServiceName ) const
150 : {
151 18 : return createComponent( ::rtl::OUString::createFromAscii( _pAsciiServiceName ) );
152 : }
153 :
154 : /** creates a component using our component factory/context, passing creation arguments
155 :
156 : @throws ::com::sun::star::lang::ServiceNotRegisteredException
157 : if the given service is not registered
158 : @throws Exception
159 : if an exception occurred during creating the component
160 : @return
161 : the newly created component. Is never <NULL/>.
162 : */
163 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponentWithArguments(
164 : const ::rtl::OUString& _rServiceName,
165 : const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& _rArguments
166 : ) const;
167 :
168 : /** creates a component using our component factory/context, passing creation arguments
169 :
170 : @throws ::com::sun::star::lang::ServiceNotRegisteredException
171 : if the given service is not registered
172 : @throws Exception
173 : if an exception occurred during creating the component
174 : @return
175 : the newly created component. Is never <NULL/>.
176 : */
177 0 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponentWithArguments(
178 : const sal_Char* _pAsciiServiceName,
179 : const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& _rArguments
180 : ) const
181 : {
182 0 : return createComponentWithArguments( ::rtl::OUString::createFromAscii( _pAsciiServiceName ), _rArguments );
183 : }
184 :
185 : /** retrieves a singleton instance from the context
186 :
187 : Singletons are collected below the <code>/singletons</code> key in a component context,
188 : so accessing them means retrieving the value under <code>/singletons/<instance_name></code>.
189 : */
190 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > getSingleton( const ::rtl::OUString& _rInstanceName ) const;
191 :
192 : /** retrieves a singleton instance from the context
193 :
194 : Singletons are collected below the <code>/singletons</code> key in a component context,
195 : so accessing them means retrieving the value under <code>/singletons/<instance_name></code>.
196 : */
197 1251 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > getSingleton( const sal_Char* _pAsciiInstanceName ) const
198 : {
199 1251 : return getSingleton( ::rtl::OUString::createFromAscii( _pAsciiInstanceName ) );
200 : }
201 :
202 : /** returns the ->XMultiServiceFactory interface of ->m_xORB, for passing to
203 : older code which does not yet support ->XMultiComponentFactory
204 : @throws ::com::sun::star::uno::RuntimeException
205 : if our our component factory does not support this interface
206 : */
207 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >
208 : getLegacyServiceFactory() const;
209 :
210 : /** retrieves a value from our component context
211 : @param _rName
212 : the name of the value to retrieve
213 : @return
214 : the context value with the given name
215 : @seealso XComponentContext::getValueByName
216 : @seealso getContextValueByAsciiName
217 : */
218 : ::com::sun::star::uno::Any
219 : getContextValueByName( const ::rtl::OUString& _rName ) const;
220 :
221 : /** retrieves a value from our component context, specified by 8-bit ASCII string
222 : @param _rName
223 : the name of the value to retrieve, as ASCII character string
224 : @return
225 : the context value with the given name
226 : @seealso XComponentContext::getValueByName
227 : @seealso getContextValueByName
228 : */
229 : inline ::com::sun::star::uno::Any
230 : getContextValueByAsciiName( const sal_Char* _pAsciiName ) const
231 : {
232 : return getContextValueByName( ::rtl::OUString::createFromAscii( _pAsciiName ) );
233 : }
234 :
235 : };
236 :
237 : //........................................................................
238 : } // namespace comphelper
239 : //........................................................................
240 :
241 : #endif // COMPHELPER_COMPONENTCONTEXT_HXX
242 :
243 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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