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 throw(::com::sun::star::uno::RuntimeException); 67 68 void SAL_CALL acquire() throw() { OWeakObject::acquire(); } 69 void SAL_CALL release() throw() { OWeakObject::release(); } 70 71 // XIdlClassProvider 72 Sequence< Reference < XIdlClass > > SAL_CALL getIdlClasses(void) 73 throw (RuntimeException); 74 75 // XIdlClass 76 virtual Sequence< Reference< XIdlClass > > SAL_CALL getClasses( ) throw(RuntimeException) 77 { return Sequence < Reference < XIdlClass > > (); } 78 virtual Reference< XIdlClass > SAL_CALL getClass( const ::rtl::OUString& ) throw(RuntimeException) 79 { return Reference < XIdlClass > (); } 80 virtual sal_Bool SAL_CALL equals( const Reference< XIdlClass >& Type ) throw(RuntimeException) 81 { return getName() == Type->getName(); } 82 virtual sal_Bool SAL_CALL isAssignableFrom( const Reference< XIdlClass >& xType ) throw(RuntimeException) 83 { return equals( xType ); } 84 virtual TypeClass SAL_CALL getTypeClass( ) throw(RuntimeException) 85 { return TypeClass_UNKNOWN; } 86 virtual OUString SAL_CALL getName( ) throw(RuntimeException) 87 { return m_sImplementationName; } 88 virtual Uik SAL_CALL getUik( ) throw(RuntimeException) 89 { return Uik(); } 90 virtual Sequence< Reference< XIdlClass > > SAL_CALL getSuperclasses( ) throw(RuntimeException) 91 { return m_seqSuperClasses; } 92 virtual Sequence< Reference< XIdlClass > > SAL_CALL getInterfaces( ) throw(RuntimeException); 93 94 virtual Reference< XIdlClass > SAL_CALL getComponentType( ) throw(RuntimeException) 95 { return Reference < XIdlClass > (); } 96 virtual Reference< XIdlField > SAL_CALL getField( const ::rtl::OUString& ) throw(RuntimeException) 97 { return Reference < XIdlField > (); } 98 virtual Sequence< Reference< XIdlField > > SAL_CALL getFields( ) throw(RuntimeException) 99 { return Sequence< Reference < XIdlField > > (); } 100 virtual Reference< XIdlMethod > SAL_CALL getMethod( const ::rtl::OUString& ) throw(RuntimeException) 101 { return Reference < XIdlMethod > (); } 102 virtual Sequence< Reference< XIdlMethod > > SAL_CALL getMethods( ) throw(RuntimeException) 103 { return Sequence < Reference < XIdlMethod > > (); } 104 virtual Reference< XIdlArray > SAL_CALL getArray( ) throw(RuntimeException) 105 { return Reference < XIdlArray > (); } 106 virtual void SAL_CALL createObject( Any& ) throw(RuntimeException) {} 107 108 private: 109 OUString m_sImplementationName; 110 Sequence < OUString > m_seqSupportedInterface; 111 Sequence < Reference < XIdlClass > > m_seqSuperClasses; 112 Reference < XMultiServiceFactory > m_rSMgr; 113 114 Reference< XIdlReflection > m_xCorefl; 115 Reference< XIdlReflection > const & get_corefl() SAL_THROW( (RuntimeException) ); 116 }; 117 118 Reference< XIdlReflection > const & OStdIdlClass::get_corefl() 119 SAL_THROW( (RuntimeException) ) 120 { 121 if (! m_xCorefl.is()) 122 { 123 if( m_rSMgr.is() ) 124 { 125 Reference< beans::XPropertySet > xProps( m_rSMgr, UNO_QUERY ); 126 OSL_ASSERT( xProps.is() ); 127 if (xProps.is()) 128 { 129 Reference< XComponentContext > xContext; 130 xProps->getPropertyValue( 131 OUString( RTL_CONSTASCII_USTRINGPARAM("DefaultContext") ) ) >>= xContext; 132 OSL_ASSERT( xContext.is() ); 133 if (xContext.is()) 134 { 135 Reference < XIdlReflection > x; 136 xContext->getValueByName( 137 OUString( RTL_CONSTASCII_USTRINGPARAM("/singletons/com.sun.star.reflection.theCoreReflection") ) ) >>= x; 138 OSL_ENSURE( x.is(), "### CoreReflection singleton not accessible!?" ); 139 140 if (x.is()) 141 { 142 ::osl::MutexGuard guard( ::osl::Mutex::getGlobalMutex() ); 143 if (! m_xCorefl.is()) 144 { 145 m_xCorefl = x; 146 } 147 } 148 } 149 } 150 } 151 if (! m_xCorefl.is()) 152 { 153 throw DeploymentException( 154 OUString( RTL_CONSTASCII_USTRINGPARAM("/singletons/com.sun.star.reflection.theCoreReflection singleton not accessible") ), 155 Reference< XInterface >() ); 156 } 157 } 158 return m_xCorefl; 159 } 160 161 OStdIdlClass::OStdIdlClass( 162 const Reference < XMultiServiceFactory > &rSMgr , 163 const OUString & sImplementationName , 164 const Reference < XIdlClass > & rSuperClass, 165 const Sequence < OUString > &seq 166 ) SAL_THROW( () ) : 167 m_sImplementationName( sImplementationName ) , 168 m_seqSupportedInterface( seq ), 169 m_rSMgr( rSMgr ) 170 { 171 if( rSuperClass.is() ) 172 m_seqSuperClasses = Sequence< Reference < XIdlClass > >( &rSuperClass, 1 ); 173 174 } 175 176 Any SAL_CALL OStdIdlClass::queryInterface( const Type & rType ) 177 throw(::com::sun::star::uno::RuntimeException) 178 { 179 Any aRet( ::cppu::queryInterface( 180 rType, static_cast< XIdlClass * >( this ), static_cast< XIdlClassProvider * >( this ) ) ); 181 182 return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType )); 183 } 184 185 186 Sequence< Reference< XIdlClass > > SAL_CALL OStdIdlClass::getInterfaces( ) throw(RuntimeException) 187 { 188 int nMax = m_seqSupportedInterface.getLength(); 189 190 Reference< XIdlReflection > const & rCoreRefl = get_corefl(); 191 if( rCoreRefl.is() ) 192 { 193 Sequence< Reference< XIdlClass > > seqClasses( nMax ); 194 195 for( int n = 0 ; n < nMax ; n++ ) 196 { 197 seqClasses.getArray()[n] = rCoreRefl->forName( m_seqSupportedInterface.getArray()[n] ); 198 } 199 200 return seqClasses; 201 } 202 return Sequence< Reference< XIdlClass > > () ; 203 } 204 205 206 // XIdlClassProvider 207 Sequence< Reference < XIdlClass > > SAL_CALL OStdIdlClass::getIdlClasses(void) 208 throw (RuntimeException) 209 { 210 // weak reference to cache the standard class 211 static WeakReference< XIdlClass > weakRef; 212 213 // try to make weakref hard 214 Reference < XIdlClass > r = weakRef; 215 216 if( ! r.is() ) { 217 // xidlclass has not been initialized before or has been destroyed already. 218 r = ::cppu::createStandardClass( 219 m_rSMgr , 220 OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.cppuhelper.OStdIdlClass") ) , 221 Reference < XIdlClass > () , 222 SAL_STATIC_CAST( XIdlClassProvider * , this ) , 223 SAL_STATIC_CAST( XIdlClass * , this ) 224 ); 225 226 // store reference for later use 227 weakRef = r; 228 } 229 230 return Sequence < Reference < XIdlClass > > ( &r , 1 ); 231 } 232 233 234 235 236 // external constructor 237 XIdlClass * SAL_CALL createStandardClassWithSequence( 238 const Reference < XMultiServiceFactory > &rSMgr , 239 const OUString & sImplementationName , 240 const Reference < XIdlClass > & rSuperClass, 241 const Sequence < OUString > &seqInterfaceNames ) 242 SAL_THROW( () ) 243 { 244 return SAL_STATIC_CAST( 245 XIdlClass * , 246 new OStdIdlClass( 247 rSMgr , 248 sImplementationName, 249 rSuperClass, 250 seqInterfaceNames 251 ) 252 ); 253 } 254 255 } //end namespace cppu 256