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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef EXTENSIONS_SOURCE_PROPCTRLR_PCROMPONENTCONTEXT_HXX
+#define EXTENSIONS_SOURCE_PROPCTRLR_PCROMPONENTCONTEXT_HXX
+
+/** === begin UNO includes === **/
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+/** === end UNO includes === **/
+
+//........................................................................
+namespace pcr
+{
+//........................................................................
+
+    //====================================================================
+    //= ComponentContext
+    //====================================================================
+    /** a helper class for working with a component context
+    */
+    class ComponentContext
+    {
+    private:
+        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >        m_xContext;
+        ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiComponentFactory >  m_xORB;
+
+    public:
+        /** constructs an instance
+            @param _rxContext
+                the component context to manage
+            @throws ::com::sun::star::lang::NullPointerException
+                if the given context, or its component factory, are <NULL/>
+        */
+        ComponentContext( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext );
+
+        /** returns the ->XComponentContext interface
+        */
+        inline ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >
+            getUNOContext() const { return m_xContext; }
+
+        /** determines whether the context is not <NULL/>
+        */
+        inline sal_Bool is() const
+        {
+            return m_xContext.is();
+        }
+
+        /** creates a component using our component factory/context
+            @throws ::com::sun::star::uno::Exception
+            @return
+                <TRUE/> if and only if the component could be successfully created
+        */
+        template < class INTERFACE >
+        bool createComponent( const ::rtl::OUString& _rServiceName, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
+        {
+            _out_rxComponent.clear();
+            _out_rxComponent = _out_rxComponent.query(
+                m_xORB->createInstanceWithContext( _rServiceName, m_xContext )
+            );
+            return _out_rxComponent.is();
+        }
+
+        /** creates a component using our component factory/context
+            @throws ::com::sun::star::uno::Exception
+            @return
+                <TRUE/> if and only if the component could be successfully created
+        */
+        template < class INTERFACE >
+        bool createComponent( const sal_Char* _pAsciiServiceName, ::com::sun::star::uno::Reference< INTERFACE >& _out_rxComponent ) const
+        {
+            return createComponent( ::rtl::OUString::createFromAscii( _pAsciiServiceName ), _out_rxComponent );
+        }
+
+        /** creates a component using our component factory/context
+
+            @throws ::com::sun::star::lang::ServiceNotRegisteredException
+                if the given service is not registered
+            @throws Exception
+                if an exception occured during creating the component
+            @return
+                the newly created component. Is never <NULL/>.
+        */
+        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponent( const ::rtl::OUString& _rServiceName ) const;
+
+        /** creates a component using our component factory/context
+
+            @throws ::com::sun::star::lang::ServiceNotRegisteredException
+                if the given service is not registered
+            @throws Exception
+                if an exception occured during creating the component
+            @return
+                the newly created component. Is never <NULL/>.
+        */
+        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > createComponent( const sal_Char* _pAsciiServiceName ) const
+        {
+            return createComponent( ::rtl::OUString::createFromAscii( _pAsciiServiceName ) );
+        }
+
+        /** returns the ->XMultiServiceFactory interface of ->m_xORB, for passing to
+            older code which does not yet support ->XMultiComponentFactory
+            @throws ::com::sun::star::uno::RuntimeException
+                if our our component factory does not support this interface
+        */
+        ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >
+            getLegacyServiceFactory() const;
+
+        /** retrieves a value from our component context
+            @param _rName
+                the name of the value to retrieve
+            @return
+                the context value with the given name
+            @seealso XComponentContext::getValueByName
+            @seealso getContextValueByAsciiName
+        */
+        ::com::sun::star::uno::Any
+                getContextValueByName( const ::rtl::OUString& _rName ) const;
+
+        /** retrieves a value from our component context, specified by 8-bit ASCII string
+            @param _rName
+                the name of the value to retrieve, as ASCII character string
+            @return
+                the context value with the given name
+            @seealso XComponentContext::getValueByName
+            @seealso getContextValueByName
+        */
+        inline ::com::sun::star::uno::Any
+                getContextValueByAsciiName( const sal_Char* _pAsciiName ) const
+        {
+            return getContextValueByName( ::rtl::OUString::createFromAscii( _pAsciiName ) );
+        }
+
+        /** retrieve context to create interfaces by the ctors
+        */
+        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > getContext() const { return        m_xContext;}
+
+    };
+
+//........................................................................
+} // namespace pcr
+//........................................................................
+
+#endif // EXTENSIONS_SOURCE_PROPCTRLR_PCROMPONENTCONTEXT_HXX
+