1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 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 67 void SAL_CALL acquire() throw() { OWeakObject::acquire(); } 68 void SAL_CALL release() throw() { OWeakObject::release(); } 69 70 // XIdlClassProvider 71 Sequence< Reference < XIdlClass > > SAL_CALL getIdlClasses(void); 72 73 // XIdlClass 74 virtual Sequence< Reference< XIdlClass > > SAL_CALL getClasses( ) 75 { return Sequence < Reference < XIdlClass > > (); } 76 virtual Reference< XIdlClass > SAL_CALL getClass( const ::rtl::OUString& ) 77 { return Reference < XIdlClass > (); } 78 virtual sal_Bool SAL_CALL equals( const Reference< XIdlClass >& Type ) 79 { return getName() == Type->getName(); } 80 virtual sal_Bool SAL_CALL isAssignableFrom( const Reference< XIdlClass >& xType ) 81 { return equals( xType ); } 82 virtual TypeClass SAL_CALL getTypeClass( ) 83 { return TypeClass_UNKNOWN; } 84 virtual OUString SAL_CALL getName( ) 85 { return m_sImplementationName; } 86 virtual Uik SAL_CALL getUik( ) 87 { return Uik(); } 88 virtual Sequence< Reference< XIdlClass > > SAL_CALL getSuperclasses( ) 89 { return m_seqSuperClasses; } 90 virtual Sequence< Reference< XIdlClass > > SAL_CALL getInterfaces( ); 91 92 virtual Reference< XIdlClass > SAL_CALL getComponentType( ) 93 { return Reference < XIdlClass > (); } 94 virtual Reference< XIdlField > SAL_CALL getField( const ::rtl::OUString& ) 95 { return Reference < XIdlField > (); } 96 virtual Sequence< Reference< XIdlField > > SAL_CALL getFields( ) 97 { return Sequence< Reference < XIdlField > > (); } 98 virtual Reference< XIdlMethod > SAL_CALL getMethod( const ::rtl::OUString& ) 99 { return Reference < XIdlMethod > (); } 100 virtual Sequence< Reference< XIdlMethod > > SAL_CALL getMethods( ) 101 { return Sequence < Reference < XIdlMethod > > (); } 102 virtual Reference< XIdlArray > SAL_CALL getArray( ) 103 { return Reference < XIdlArray > (); } 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 }; 115 116 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 } 157 158 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 } 172 173 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 } 180 181 182 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 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 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