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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
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11 * http://www.apache.org/licenses/LICENSE-2.0
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18 * under the License.
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_cppuhelper.hxx"
26
27 #include <osl/mutex.hxx>
28
29 #include <cppuhelper/weakref.hxx>
30 #include <cppuhelper/weak.hxx>
31 #include <cppuhelper/stdidlclass.hxx>
32
33 #include <com/sun/star/reflection/XIdlClassProvider.hpp>
34 #include <com/sun/star/reflection/XIdlReflection.hpp>
35 #include <com/sun/star/uno/XComponentContext.hpp>
36 #include <com/sun/star/uno/DeploymentException.hpp>
37 #include <com/sun/star/beans/XPropertySet.hpp>
38
39 using namespace com::sun::star;
40 using namespace com::sun::star::uno;
41 using namespace com::sun::star::lang;
42 using namespace com::sun::star::reflection;
43 using namespace rtl;
44
45 namespace cppu {
46
47 /*---------------------------------------------------------
48 * This helper class implements XIdlClass. Is used by
49 * createStdIdlClass()
50 *---------------------------------------------------------*/
51 class OStdIdlClass :
52 public OWeakObject,
53 public XIdlClass,
54 public XIdlClassProvider
55 {
56 public:
57 OStdIdlClass(
58 const Reference < XMultiServiceFactory > &rSMgr ,
59 const OUString & sImplementationName ,
60 const Reference < XIdlClass > & rSuperClass,
61 const Sequence < OUString > &seq
62 ) SAL_THROW( () );
63
64 // XInterface
65 Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType );
66
acquire()67 void SAL_CALL acquire() throw() { OWeakObject::acquire(); }
release()68 void SAL_CALL release() throw() { OWeakObject::release(); }
69
70 // XIdlClassProvider
71 Sequence< Reference < XIdlClass > > SAL_CALL getIdlClasses(void);
72
73 // XIdlClass
getClasses()74 virtual Sequence< Reference< XIdlClass > > SAL_CALL getClasses( )
75 { return Sequence < Reference < XIdlClass > > (); }
getClass(const::rtl::OUString &)76 virtual Reference< XIdlClass > SAL_CALL getClass( const ::rtl::OUString& )
77 { return Reference < XIdlClass > (); }
equals(const Reference<XIdlClass> & Type)78 virtual sal_Bool SAL_CALL equals( const Reference< XIdlClass >& Type )
79 { return getName() == Type->getName(); }
isAssignableFrom(const Reference<XIdlClass> & xType)80 virtual sal_Bool SAL_CALL isAssignableFrom( const Reference< XIdlClass >& xType )
81 { return equals( xType ); }
getTypeClass()82 virtual TypeClass SAL_CALL getTypeClass( )
83 { return TypeClass_UNKNOWN; }
getName()84 virtual OUString SAL_CALL getName( )
85 { return m_sImplementationName; }
getUik()86 virtual Uik SAL_CALL getUik( )
87 { return Uik(); }
getSuperclasses()88 virtual Sequence< Reference< XIdlClass > > SAL_CALL getSuperclasses( )
89 { return m_seqSuperClasses; }
90 virtual Sequence< Reference< XIdlClass > > SAL_CALL getInterfaces( );
91
getComponentType()92 virtual Reference< XIdlClass > SAL_CALL getComponentType( )
93 { return Reference < XIdlClass > (); }
getField(const::rtl::OUString &)94 virtual Reference< XIdlField > SAL_CALL getField( const ::rtl::OUString& )
95 { return Reference < XIdlField > (); }
getFields()96 virtual Sequence< Reference< XIdlField > > SAL_CALL getFields( )
97 { return Sequence< Reference < XIdlField > > (); }
getMethod(const::rtl::OUString &)98 virtual Reference< XIdlMethod > SAL_CALL getMethod( const ::rtl::OUString& )
99 { return Reference < XIdlMethod > (); }
getMethods()100 virtual Sequence< Reference< XIdlMethod > > SAL_CALL getMethods( )
101 { return Sequence < Reference < XIdlMethod > > (); }
getArray()102 virtual Reference< XIdlArray > SAL_CALL getArray( )
103 { return Reference < XIdlArray > (); }
createObject(Any &)104 virtual void SAL_CALL createObject( Any& ) {}
105
106 private:
107 OUString m_sImplementationName;
108 Sequence < OUString > m_seqSupportedInterface;
109 Sequence < Reference < XIdlClass > > m_seqSuperClasses;
110 Reference < XMultiServiceFactory > m_rSMgr;
111
112 Reference< XIdlReflection > m_xCorefl;
113 Reference< XIdlReflection > const & get_corefl();
114 };
115
get_corefl()116 Reference< XIdlReflection > const & OStdIdlClass::get_corefl()
117 {
118 if (! m_xCorefl.is())
119 {
120 if( m_rSMgr.is() )
121 {
122 Reference< beans::XPropertySet > xProps( m_rSMgr, UNO_QUERY );
123 OSL_ASSERT( xProps.is() );
124 if (xProps.is())
125 {
126 Reference< XComponentContext > xContext;
127 xProps->getPropertyValue(
128 OUString( RTL_CONSTASCII_USTRINGPARAM("DefaultContext") ) ) >>= xContext;
129 OSL_ASSERT( xContext.is() );
130 if (xContext.is())
131 {
132 Reference < XIdlReflection > x;
133 xContext->getValueByName(
134 OUString( RTL_CONSTASCII_USTRINGPARAM("/singletons/com.sun.star.reflection.theCoreReflection") ) ) >>= x;
135 OSL_ENSURE( x.is(), "### CoreReflection singleton not accessible!?" );
136
137 if (x.is())
138 {
139 ::osl::MutexGuard guard( ::osl::Mutex::getGlobalMutex() );
140 if (! m_xCorefl.is())
141 {
142 m_xCorefl = x;
143 }
144 }
145 }
146 }
147 }
148 if (! m_xCorefl.is())
149 {
150 throw DeploymentException(
151 OUString( RTL_CONSTASCII_USTRINGPARAM("/singletons/com.sun.star.reflection.theCoreReflection singleton not accessible") ),
152 Reference< XInterface >() );
153 }
154 }
155 return m_xCorefl;
156 }
157
OStdIdlClass(const Reference<XMultiServiceFactory> & rSMgr,const OUString & sImplementationName,const Reference<XIdlClass> & rSuperClass,const Sequence<OUString> & seq)158 OStdIdlClass::OStdIdlClass(
159 const Reference < XMultiServiceFactory > &rSMgr ,
160 const OUString & sImplementationName ,
161 const Reference < XIdlClass > & rSuperClass,
162 const Sequence < OUString > &seq
163 ) SAL_THROW( () ) :
164 m_sImplementationName( sImplementationName ) ,
165 m_seqSupportedInterface( seq ),
166 m_rSMgr( rSMgr )
167 {
168 if( rSuperClass.is() )
169 m_seqSuperClasses = Sequence< Reference < XIdlClass > >( &rSuperClass, 1 );
170
171 }
172
queryInterface(const Type & rType)173 Any SAL_CALL OStdIdlClass::queryInterface( const Type & rType )
174 {
175 Any aRet( ::cppu::queryInterface(
176 rType, static_cast< XIdlClass * >( this ), static_cast< XIdlClassProvider * >( this ) ) );
177
178 return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
179 }
180
181
getInterfaces()182 Sequence< Reference< XIdlClass > > SAL_CALL OStdIdlClass::getInterfaces( )
183 {
184 int nMax = m_seqSupportedInterface.getLength();
185
186 Reference< XIdlReflection > const & rCoreRefl = get_corefl();
187 if( rCoreRefl.is() )
188 {
189 Sequence< Reference< XIdlClass > > seqClasses( nMax );
190
191 for( int n = 0 ; n < nMax ; n++ )
192 {
193 seqClasses.getArray()[n] = rCoreRefl->forName( m_seqSupportedInterface.getArray()[n] );
194 }
195
196 return seqClasses;
197 }
198 return Sequence< Reference< XIdlClass > > () ;
199 }
200
201
202 // XIdlClassProvider
getIdlClasses(void)203 Sequence< Reference < XIdlClass > > SAL_CALL OStdIdlClass::getIdlClasses(void)
204 {
205 // weak reference to cache the standard class
206 static WeakReference< XIdlClass > weakRef;
207
208 // try to make weakref hard
209 Reference < XIdlClass > r = weakRef;
210
211 if( ! r.is() ) {
212 // xidlclass has not been initialized before or has been destroyed already.
213 r = ::cppu::createStandardClass(
214 m_rSMgr ,
215 OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.cppuhelper.OStdIdlClass") ) ,
216 Reference < XIdlClass > () ,
217 SAL_STATIC_CAST( XIdlClassProvider * , this ) ,
218 SAL_STATIC_CAST( XIdlClass * , this )
219 );
220
221 // store reference for later use
222 weakRef = r;
223 }
224
225 return Sequence < Reference < XIdlClass > > ( &r , 1 );
226 }
227
228
229
230
231 // external constructor
createStandardClassWithSequence(const Reference<XMultiServiceFactory> & rSMgr,const OUString & sImplementationName,const Reference<XIdlClass> & rSuperClass,const Sequence<OUString> & seqInterfaceNames)232 XIdlClass * SAL_CALL createStandardClassWithSequence(
233 const Reference < XMultiServiceFactory > &rSMgr ,
234 const OUString & sImplementationName ,
235 const Reference < XIdlClass > & rSuperClass,
236 const Sequence < OUString > &seqInterfaceNames )
237 SAL_THROW( () )
238 {
239 return SAL_STATIC_CAST(
240 XIdlClass * ,
241 new OStdIdlClass(
242 rSMgr ,
243 sImplementationName,
244 rSuperClass,
245 seqInterfaceNames
246 )
247 );
248 }
249
250 } //end namespace cppu
251