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#87233# disposing chaining of component contexts

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This commit is contained in:
Daniel Boelzle
2001-06-01 10:47:46 +00:00
parent 6b7ca0233e
commit 1ac0a2de79
1 changed files with 76 additions and 11 deletions
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87
cppuhelper/source/component_context.cxx
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@@ -2,9 +2,9 @@
*
* $RCSfile: component_context.cxx,v $
*
* $Revision: 1.4 $
* $Revision: 1.5 $
*
* last change: $Author: dbo $ $Date: 2001-05-31 12:46:42 $
* last change: $Author: dbo $ $Date: 2001-06-01 11:47:46 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
@@ -59,6 +59,10 @@
*
************************************************************************/
#ifdef _DEBUG
#include <stdio.h>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
@@ -66,6 +70,9 @@
#include <osl/mutex.hxx>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX
#include <cppuhelper/implbase1.hxx>
#endif
#ifndef _CPPUHELPER_COMPBASE1_HXX
#include <cppuhelper/compbase1.hxx>
#endif
@@ -88,6 +95,29 @@ using namespace ::com::sun::star;
namespace cppu
{
//==================================================================================================
class Disposer_Impl
: public WeakImplHelper1< lang::XEventListener >
{
Reference< lang::XComponent > m_xTarget;
public:
inline Disposer_Impl( Reference< lang::XComponent > const & xTarget )
SAL_THROW( () )
: m_xTarget( xTarget )
{ OSL_ASSERT( m_xTarget.is() ); }
virtual void SAL_CALL disposing( lang::EventObject const & rSource )
throw (RuntimeException);
};
//__________________________________________________________________________________________________
void Disposer_Impl::disposing( lang::EventObject const & rSource )
throw (RuntimeException)
{
m_xTarget->dispose();
m_xTarget.clear();
}
//==================================================================================================
struct MutexHolder
{
@@ -114,6 +144,9 @@ class ComponentContext
t_map m_map;
Reference< lang::XMultiComponentFactory > m_xSMgr;
// denotes if service manager has to be disposed by this context,
// else it was retieved from a delegate which itself has to dispose it
bool m_bDisposeSMgr;
protected:
virtual void SAL_CALL disposing();
@@ -170,7 +203,7 @@ Any ComponentContext::getValueByName( OUString const & rName )
#ifdef _DEBUG
else
{
OSL_TRACE( "### no service manager given for instanciating singletons!" );
::fprintf( stderr, "### no service manager given for instanciating singletons!\n" );
}
#endif
}
@@ -209,7 +242,7 @@ Any ComponentContext::getValueByName( OUString const & rName )
#ifdef _DEBUG
OString aStr( OUStringToOString( rName, RTL_TEXTENCODING_ASCII_US ) );
OString aStr2( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
OSL_TRACE( "### exception occured raising singleton %s: %s\n", aStr.getStr(), aStr2.getStr() );
::fprintf( stderr, "### exception occured raising singleton %s: %s\n", aStr.getStr(), aStr2.getStr() );
#endif
}
}
@@ -237,10 +270,17 @@ Reference< lang::XMultiComponentFactory > ComponentContext::getServiceManager()
//__________________________________________________________________________________________________
ComponentContext::~ComponentContext()
{
#ifdef DEBUG
::fprintf( stderr, "> destructed context %p\n", this );
#endif
}
//__________________________________________________________________________________________________
void ComponentContext::disposing()
{
#ifdef DEBUG
::fprintf( stderr, "> disposing context %p\n", this );
#endif
// dispose all context objects
t_map::const_iterator iPos( m_map.begin() );
for ( ; iPos != m_map.end(); ++iPos )
@@ -266,10 +306,13 @@ void ComponentContext::disposing()
}
// dispose service manager
Reference< lang::XComponent > xComp( m_xSMgr, UNO_QUERY );
if (xComp.is())
if (m_bDisposeSMgr)
{
xComp->dispose();
Reference< lang::XComponent > xComp( m_xSMgr, UNO_QUERY );
if (xComp.is())
{
xComp->dispose();
}
}
// everything is disposed, hopefully nobody accesses the context anymore...
@@ -298,9 +341,24 @@ ComponentContext::ComponentContext(
}
m_map[ rEntry.name ] = new ContextEntry( rEntry.bLateInitService, rEntry.value );
}
if (!m_xSMgr.is() && m_xDelegate.is())
if (m_xDelegate.is())
{
m_xSMgr = m_xDelegate->getServiceManager();
Reference< lang::XComponent > xComp( m_xDelegate, UNO_QUERY );
OSL_ENSURE( xComp.is(), "### component context should export lang::XComponent!" );
if (xComp.is())
{
xComp->addEventListener( new Disposer_Impl( this ) );
}
if (m_xSMgr.is())
{
m_bDisposeSMgr = true;
}
else
{
m_bDisposeSMgr = false;
m_xSMgr = m_xDelegate->getServiceManager();
}
}
}
//__________________________________________________________________________________________________
@@ -347,7 +405,7 @@ ComponentContext::ComponentContext(
#ifdef _DEBUG
OString aStr( OUStringToOString( xKey->getKeyName().copy( 11 ), RTL_TEXTENCODING_ASCII_US ) );
OString aStr2( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
OSL_TRACE( "### failed reading singleton [%s] service name from registry: %s", aStr.getStr(), aStr2.getStr() );
::fprintf( stderr, "### failed reading singleton [%s] service name from registry: %s\n", aStr.getStr(), aStr2.getStr() );
#endif
}
}
@@ -371,7 +429,14 @@ Reference< XComponentContext > SAL_CALL createComponentContext(
Reference< XComponentContext > const & xDelegate )
SAL_THROW( () )
{
return new ComponentContext( pEntries, nEntries, xDelegate );
if (nEntries > 0)
{
return new ComponentContext( pEntries, nEntries, xDelegate );
}
else
{
return xDelegate;
}
}
}