/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_stoc.hxx"
#include <osl/mutex.hxx>
#ifndef _OSL_DIAGNOSE_HXX_
#include <osl/diagnose.h>
#endif
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/implbase4.hxx>
#include <cppuhelper/implbase3.hxx>
#ifndef _CPPUHELPER_IMPLEMENTATIONENTRY_HXX_
#include <cppuhelper/implementationentry.hxx>
#endif
#include <registry/registry.hxx>

#include <com/sun/star/registry/XSimpleRegistry.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XTypeProvider.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/container/XEnumerationAccess.hpp>

#include <bootstrapservices.hxx>

using namespace com::sun::star::uno;
using namespace com::sun::star::registry;
using namespace com::sun::star::lang;
using namespace com::sun::star::container;
using namespace cppu;
using namespace osl;
using namespace rtl;


#define SERVICENAME "com.sun.star.registry.NestedRegistry"
#define IMPLNAME	   "com.sun.star.comp.stoc.NestedRegistry"

extern rtl_StandardModuleCount g_moduleCount;

namespace stoc_bootstrap
{
Sequence< OUString > defreg_getSupportedServiceNames()
{
	static Sequence < OUString > *pNames = 0;
	if( ! pNames )
	{
		MutexGuard guard( Mutex::getGlobalMutex() );
		if( !pNames )
		{
			static Sequence< OUString > seqNames(1);
			seqNames.getArray()[0] = OUString(RTL_CONSTASCII_USTRINGPARAM(SERVICENAME));
			pNames = &seqNames;
		}
	}
	return *pNames;
}

OUString defreg_getImplementationName()
{
	static OUString *pImplName = 0;
	if( ! pImplName )
	{
		MutexGuard guard( Mutex::getGlobalMutex() );
		if( ! pImplName )
		{
			static OUString implName( RTL_CONSTASCII_USTRINGPARAM( IMPLNAME ) );
			pImplName = &implName;
		}
	}
	return *pImplName;
}
}

namespace stoc_defreg 
{
//*************************************************************************
// NestedRegistryImpl
//*************************************************************************
class NestedKeyImpl;

class NestedRegistryImpl	: public WeakAggImplHelper4 < XSimpleRegistry, XInitialization, XServiceInfo, XEnumerationAccess >
{
public:
	NestedRegistryImpl( );

	~NestedRegistryImpl();

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) throw(RuntimeException);
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw(RuntimeException);
    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw(RuntimeException);

	// XInitialization
    virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) 
		throw(Exception, RuntimeException);

	// XSimpleRegistry
    virtual OUString SAL_CALL getURL() throw(RuntimeException);
    virtual void SAL_CALL open( const OUString& rURL, sal_Bool bReadOnly, sal_Bool bCreate ) throw(InvalidRegistryException, RuntimeException);
    virtual sal_Bool SAL_CALL isValid(  ) throw(RuntimeException);
    virtual void SAL_CALL close(  ) throw(InvalidRegistryException, RuntimeException);
    virtual void SAL_CALL destroy(  ) throw(InvalidRegistryException, RuntimeException);
    virtual Reference< XRegistryKey > SAL_CALL getRootKey(  ) throw(InvalidRegistryException, RuntimeException);
    virtual sal_Bool SAL_CALL isReadOnly(  ) throw(InvalidRegistryException, RuntimeException);
    virtual void SAL_CALL mergeKey( const OUString& aKeyName, const OUString& aUrl ) throw(InvalidRegistryException, MergeConflictException, RuntimeException);

    // XEnumerationAccess
    virtual Reference< XEnumeration > SAL_CALL createEnumeration(  ) throw (RuntimeException);
    virtual Type SAL_CALL getElementType(  ) throw (RuntimeException);
    virtual sal_Bool SAL_CALL hasElements(  ) throw (RuntimeException);

	friend class NestedKeyImpl;
protected:
	Mutex						m_mutex;
	sal_uInt32					m_state;
	Reference<XSimpleRegistry>	m_localReg;
	Reference<XSimpleRegistry>	m_defaultReg;

};

//*************************************************************************
// class NestedKeyImpl the implenetation of interface XRegistryKey
//*************************************************************************
class NestedKeyImpl : public WeakImplHelper1< XRegistryKey >
{
public:
	NestedKeyImpl( NestedRegistryImpl* pDefaultRegistry,
				   Reference<XRegistryKey>& localKey,
				   Reference<XRegistryKey>& defaultKey);

	NestedKeyImpl( const OUString& aKeyName, 
					NestedKeyImpl* pKey);

	~NestedKeyImpl();

	// XRegistryKey	
    virtual OUString SAL_CALL getKeyName() throw(RuntimeException);
    virtual sal_Bool SAL_CALL isReadOnly(  ) throw(InvalidRegistryException, RuntimeException);
    virtual sal_Bool SAL_CALL isValid(  ) throw(RuntimeException);
    virtual RegistryKeyType SAL_CALL getKeyType( const OUString& rKeyName ) throw(InvalidRegistryException, RuntimeException);
    virtual RegistryValueType SAL_CALL getValueType(  ) throw(InvalidRegistryException, RuntimeException);
    virtual sal_Int32 SAL_CALL getLongValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setLongValue( sal_Int32 value ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< sal_Int32 > SAL_CALL getLongListValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setLongListValue( const ::com::sun::star::uno::Sequence< sal_Int32 >& seqValue ) throw(InvalidRegistryException, RuntimeException);
    virtual OUString SAL_CALL getAsciiValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setAsciiValue( const OUString& value ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< OUString > SAL_CALL getAsciiListValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setAsciiListValue( const ::com::sun::star::uno::Sequence< OUString >& seqValue ) throw(InvalidRegistryException, RuntimeException);
    virtual OUString SAL_CALL getStringValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setStringValue( const OUString& value ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< OUString > SAL_CALL getStringListValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setStringListValue( const ::com::sun::star::uno::Sequence< OUString >& seqValue ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< sal_Int8 > SAL_CALL getBinaryValue(  ) throw(InvalidRegistryException, InvalidValueException, RuntimeException);
    virtual void SAL_CALL setBinaryValue( const ::com::sun::star::uno::Sequence< sal_Int8 >& value ) throw(InvalidRegistryException, RuntimeException);
    virtual Reference< XRegistryKey > SAL_CALL openKey( const OUString& aKeyName ) throw(InvalidRegistryException, RuntimeException);
    virtual Reference< XRegistryKey > SAL_CALL createKey( const OUString& aKeyName ) throw(InvalidRegistryException, RuntimeException);
    virtual void SAL_CALL closeKey(  ) throw(InvalidRegistryException, RuntimeException);
    virtual void SAL_CALL deleteKey( const OUString& rKeyName ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< Reference< XRegistryKey > > SAL_CALL openKeys(  ) throw(InvalidRegistryException, RuntimeException);
    virtual Sequence< OUString > SAL_CALL getKeyNames(  ) throw(InvalidRegistryException, RuntimeException);
    virtual sal_Bool SAL_CALL createLink( const OUString& aLinkName, const OUString& aLinkTarget ) throw(InvalidRegistryException, RuntimeException);
    virtual void SAL_CALL deleteLink( const OUString& rLinkName ) throw(InvalidRegistryException, RuntimeException);
    virtual OUString SAL_CALL getLinkTarget( const OUString& rLinkName ) throw(InvalidRegistryException, RuntimeException);
    virtual OUString SAL_CALL getResolvedName( const OUString& aKeyName ) throw(InvalidRegistryException, RuntimeException);

protected:
	void 		computeChanges();
	OUString 	computeName(const OUString& name);

	OUString 					m_name;
	sal_uInt32					m_state;
	NestedRegistryImpl*			m_pRegistry;
	Reference<XRegistryKey>	  	m_localKey;
	Reference<XRegistryKey>	  	m_defaultKey;
};	


//*************************************************************************
NestedKeyImpl::NestedKeyImpl( NestedRegistryImpl* pDefaultRegistry,
							  Reference<XRegistryKey>& localKey,
							  Reference<XRegistryKey>& defaultKey )
	: m_pRegistry(pDefaultRegistry)
{
	m_pRegistry->acquire();
	
	m_localKey = localKey;	
	m_defaultKey = defaultKey;

	if (m_localKey.is())
	{
		m_name = m_localKey->getKeyName();
	} else
	if (m_defaultKey.is())
	{
		m_name = m_defaultKey->getKeyName();
	}
		
	m_state = m_pRegistry->m_state;		
}	

//*************************************************************************
NestedKeyImpl::NestedKeyImpl( const OUString& rKeyName, 
							  NestedKeyImpl* pKey)
	: m_pRegistry(pKey->m_pRegistry)
{
	m_pRegistry->acquire();

	if (pKey->m_localKey.is() && pKey->m_localKey->isValid())
	{
		m_localKey = pKey->m_localKey->openKey(rKeyName);
	} 
	if (pKey->m_defaultKey.is() && pKey->m_defaultKey->isValid())
	{
		m_defaultKey = pKey->m_defaultKey->openKey(rKeyName);
	}

	if (m_localKey.is())
	{
		m_name = m_localKey->getKeyName();
	} else
	if (m_defaultKey.is())
	{
		m_name = m_defaultKey->getKeyName();
	}
		
	m_state = m_pRegistry->m_state;
}

//*************************************************************************
NestedKeyImpl::~NestedKeyImpl()
{
	if ( m_pRegistry )
		m_pRegistry->release();
}

//*************************************************************************
void NestedKeyImpl::computeChanges()
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( m_state != m_pRegistry->m_state )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());

		Reference<XRegistryKey> tmpKey = rootKey->openKey(m_name);

		if ( tmpKey.is() )
		{
			m_localKey = rootKey->openKey(m_name);
		}
		
		m_state = m_pRegistry->m_state;
	}
}	

//*************************************************************************
// NestedKey_Impl::computeName()
//
OUString NestedKeyImpl::computeName(const OUString& name)
{
	OUString resLocalName, resDefaultName;

	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	try
	{
		if ( m_localKey.is() && m_localKey->isValid() )
		{
			resLocalName = m_localKey->getResolvedName(name);
		} else
		{
			if ( m_defaultKey.is() && m_defaultKey->isValid() )
				return m_defaultKey->getResolvedName(name);		
		}
		
		if ( resLocalName.getLength() > 0 && m_pRegistry->m_defaultReg->isValid() )
		{
			Reference<XRegistryKey> localRoot(m_pRegistry->m_localReg->getRootKey());
			Reference<XRegistryKey> defaultRoot(m_pRegistry->m_defaultReg->getRootKey());

			resDefaultName = defaultRoot->getResolvedName(resLocalName);
			
			sal_uInt32 count = 100;
			
			while (resLocalName != resDefaultName && count > 0)
			{
				count--;
				
				if (resLocalName.getLength() == 0 || resDefaultName.getLength() == 0)
					throw InvalidRegistryException();

				resLocalName = localRoot->getResolvedName(resDefaultName);
				resDefaultName = defaultRoot->getResolvedName(resLocalName);
			}			
		}
	}
	catch(InvalidRegistryException& )
	{
	}
	
	return resLocalName;
}	

//*************************************************************************
OUString SAL_CALL NestedKeyImpl::getKeyName() throw(RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	return m_name;
}	

//*************************************************************************
sal_Bool SAL_CALL NestedKeyImpl::isReadOnly(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();
	
	if ( m_localKey.is() && m_localKey->isValid() )
	   	return m_localKey->isReadOnly();
	else
		throw InvalidRegistryException();
}	

//*************************************************************************
sal_Bool SAL_CALL NestedKeyImpl::isValid(  ) throw(RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	return ((m_localKey.is() && m_localKey->isValid()) || 
		    (m_defaultKey.is() && m_defaultKey->isValid()) ); 
}	

//*************************************************************************
RegistryKeyType SAL_CALL NestedKeyImpl::getKeyType( const OUString& rKeyName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getKeyType(rKeyName);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getKeyType(rKeyName);
	}
	
	return RegistryKeyType_KEY;
}	

//*************************************************************************
RegistryValueType SAL_CALL NestedKeyImpl::getValueType(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getValueType();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getValueType();
	}

	return RegistryValueType_NOT_DEFINED;
}	

//*************************************************************************
sal_Int32 SAL_CALL NestedKeyImpl::getLongValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getLongValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getLongValue();
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::setLongValue( sal_Int32 value ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setLongValue(value);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setLongValue(value);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Sequence< sal_Int32 > SAL_CALL NestedKeyImpl::getLongListValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getLongListValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getLongListValue();
	} else
	{
		throw InvalidRegistryException();
	}
}
	
//*************************************************************************
void SAL_CALL NestedKeyImpl::setLongListValue( const Sequence< sal_Int32 >& seqValue ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setLongListValue(seqValue);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setLongListValue(seqValue);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
OUString SAL_CALL NestedKeyImpl::getAsciiValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getAsciiValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getAsciiValue();
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::setAsciiValue( const OUString& value ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setAsciiValue(value);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setAsciiValue(value);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Sequence< OUString > SAL_CALL NestedKeyImpl::getAsciiListValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getAsciiListValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getAsciiListValue();
	} else
	{
		throw InvalidRegistryException();
	}
}
	
//*************************************************************************
void SAL_CALL NestedKeyImpl::setAsciiListValue( const Sequence< OUString >& seqValue ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setAsciiListValue(seqValue);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setAsciiListValue(seqValue);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
OUString SAL_CALL NestedKeyImpl::getStringValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getStringValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getStringValue();
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::setStringValue( const OUString& value ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setStringValue(value);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setStringValue(value);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Sequence< OUString > SAL_CALL NestedKeyImpl::getStringListValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getStringListValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getStringListValue();
	} else
	{
		throw InvalidRegistryException();
	}
}
	
//*************************************************************************
void SAL_CALL NestedKeyImpl::setStringListValue( const Sequence< OUString >& seqValue ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setStringListValue(seqValue);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setStringListValue(seqValue);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Sequence< sal_Int8 > SAL_CALL NestedKeyImpl::getBinaryValue(  ) 
	throw(InvalidRegistryException, InvalidValueException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		return m_localKey->getBinaryValue();
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		return m_defaultKey->getBinaryValue();
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::setBinaryValue( const Sequence< sal_Int8 >& value ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	computeChanges();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->setBinaryValue(value);
	} else
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
		m_localKey = rootKey->createKey(m_name);
		m_localKey->setBinaryValue(value);
		m_state = m_pRegistry->m_state++;
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Reference< XRegistryKey > SAL_CALL NestedKeyImpl::openKey( const OUString& aKeyName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	OUString resolvedName = computeName(aKeyName);

	if ( resolvedName.getLength() == 0 )
		throw InvalidRegistryException();

	Reference<XRegistryKey> localKey, defaultKey;
	
	if ( m_localKey.is() && m_localKey->isValid() )
	{
		localKey = m_pRegistry->m_localReg->getRootKey()->openKey(resolvedName);
	} 
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		defaultKey = m_pRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);
	}

	if ( localKey.is() || defaultKey.is() )
	{
		return ((XRegistryKey*)new NestedKeyImpl(m_pRegistry, localKey, defaultKey));
	} else
	{
		return Reference<XRegistryKey>();		
	}
}	

//*************************************************************************
Reference< XRegistryKey > SAL_CALL NestedKeyImpl::createKey( const OUString& aKeyName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( (!m_localKey.is() && !m_defaultKey.is()) ||
		 (m_localKey.is() && m_localKey->isReadOnly()) )
	{
		throw InvalidRegistryException();
	}

	OUString resolvedName = computeName(aKeyName);

	if ( resolvedName.getLength() == 0 )
		throw InvalidRegistryException();

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		Reference<XRegistryKey> localKey, defaultKey;

		localKey = m_pRegistry->m_localReg->getRootKey()->createKey(resolvedName);
		if ( localKey.is() )
		{
			if ( m_defaultKey.is() && m_defaultKey->isValid() )
			{
				defaultKey = m_pRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);
			} 

			m_state = m_pRegistry->m_state++;

			return ((XRegistryKey*)new NestedKeyImpl(m_pRegistry, localKey, defaultKey));	
		}
	} else
	{
		Reference<XRegistryKey> localKey, defaultKey;

		if ( m_defaultKey.is() && m_defaultKey->isValid() )
		{
			Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
			m_localKey = rootKey->createKey(m_name);
			
			localKey = m_pRegistry->m_localReg->getRootKey()->createKey(resolvedName);

			if ( localKey.is() )
			{
				defaultKey = m_pRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);

				m_state = m_pRegistry->m_state++;

				return ((XRegistryKey*)new NestedKeyImpl(m_pRegistry, localKey, defaultKey));	
			}
		}
	}
	
	return Reference<XRegistryKey>();		
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::closeKey(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( m_localKey.is() && m_localKey->isValid() )
	{
		m_localKey->closeKey();
	} 
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		m_defaultKey->closeKey();
	}
}	

//*************************************************************************
void SAL_CALL NestedKeyImpl::deleteKey( const OUString& rKeyName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( m_localKey.is() && m_localKey->isValid() &&
		 !m_localKey->isReadOnly() )
	{
		OUString resolvedName = computeName(rKeyName);

		if ( resolvedName.getLength() == 0 )
		{
			throw InvalidRegistryException();
		}

		m_pRegistry->m_localReg->getRootKey()->deleteKey(resolvedName);
	} else
	{
		throw InvalidRegistryException();
	}
}	

//*************************************************************************
Sequence< Reference< XRegistryKey > > SAL_CALL NestedKeyImpl::openKeys(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	Sequence<OUString> localSeq, defaultSeq;

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		localSeq = m_localKey->getKeyNames();	
	}
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		defaultSeq = m_defaultKey->getKeyNames();	
	}

	sal_uInt32 local = localSeq.getLength();
	sal_uInt32 def = defaultSeq.getLength();
	sal_uInt32 len = 0;
	
	sal_uInt32 i, j;
	for (i=0; i < local; i++)
	{
		for (j=0 ; j < def; j++)
		{
			if ( localSeq.getConstArray()[i] == defaultSeq.getConstArray()[j] )
			{
				len++;
				break;
			}
		}
	}
	
	Sequence< Reference<XRegistryKey> > retSeq(local + def - len);
	sal_Bool 							insert = sal_True;
	OUString	 						name;
	sal_Int32							lastIndex;
	
	for (i=0; i < local; i++)
	{
		name = localSeq.getConstArray()[i];
		lastIndex = name.lastIndexOf('/');
		name = name.copy(lastIndex);
		retSeq.getArray()[i] = 
			(XRegistryKey*)new NestedKeyImpl(name, this);
	}

	sal_uInt32 k = local;
	for (i=0; i < def; i++)
	{
		insert = sal_True;
		
		for (j=0 ; j < local; j++)
		{
			if ( retSeq.getConstArray()[j]->getKeyName() 
					== defaultSeq.getConstArray()[i] )
			{
				insert = sal_False;
				break;
			}
		}
		
		if ( insert )
		{
			name = defaultSeq.getConstArray()[i];
			lastIndex = name.lastIndexOf('/');
			name = name.copy(lastIndex);
			retSeq.getArray()[k++] = 
				(XRegistryKey*)new NestedKeyImpl(name, this);
		}
	}

	return retSeq;
}	

//*************************************************************************
Sequence< OUString > SAL_CALL NestedKeyImpl::getKeyNames(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	Sequence<OUString> localSeq, defaultSeq;

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		localSeq = m_localKey->getKeyNames();	
	}
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
	{
		defaultSeq = m_defaultKey->getKeyNames();	
	}

	sal_uInt32 local = localSeq.getLength();
	sal_uInt32 def = defaultSeq.getLength();
	sal_uInt32 len = 0;
	
	sal_uInt32 i, j;
	for (i=0; i < local; i++)
	{
		for (j=0 ; j < def; j++)
		{
			if ( localSeq.getConstArray()[i] == defaultSeq.getConstArray()[j] )
			{
				len++;
				break;
			}
		}
	}
	
	Sequence<OUString> 	retSeq(local + def - len);
	sal_Bool 			insert = sal_True;
	
	for (i=0; i < local; i++)
	{
		retSeq.getArray()[i] = localSeq.getConstArray()[i];
	}

	sal_uInt32 k = local;
	for (i=0; i < def; i++)
	{
		insert = sal_True;
		
		for (j=0 ; j < local; j++)
		{
			if ( retSeq.getConstArray()[j] == defaultSeq.getConstArray()[i] )
			{
				insert = sal_False;
				break;
			}
		}
		
		if ( insert )
			retSeq.getArray()[k++] = defaultSeq.getConstArray()[i];
	}

	return retSeq;
}	

//*************************************************************************
sal_Bool SAL_CALL NestedKeyImpl::createLink( const OUString& aLinkName, const OUString& aLinkTarget ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );

	sal_Bool isCreated = sal_False;
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	OUString 	linkName;
	OUString 	resolvedName;
	sal_Int32 	lastIndex = aLinkName.lastIndexOf('/');
	
	if ( lastIndex > 0 )
	{
		linkName = aLinkName.copy(0, lastIndex);

		resolvedName = computeName(linkName);

		if ( resolvedName.getLength() == 0 )
		{
			throw InvalidRegistryException();
		}
		
		resolvedName = resolvedName + aLinkName.copy(lastIndex);
	} else
	{
		if ( lastIndex == 0 )
			resolvedName = m_name + aLinkName;
		else
			resolvedName = m_name + OUString( RTL_CONSTASCII_USTRINGPARAM("/") ) + aLinkName;
	}

	if ( m_localKey.is() && m_localKey->isValid() )
	{
		isCreated = m_pRegistry->m_localReg->getRootKey()->createLink(resolvedName, aLinkTarget);
	} else
	{
		if ( m_defaultKey.is() && m_defaultKey->isValid() )
		{
			Reference<XRegistryKey> rootKey(m_pRegistry->m_localReg->getRootKey());
			m_localKey = rootKey->createKey(m_name);

			isCreated = m_pRegistry->m_localReg->getRootKey()->createLink(resolvedName, aLinkTarget);
		}
	}

	if ( isCreated )
		m_state = m_pRegistry->m_state++;

	return isCreated;
}

//*************************************************************************
void SAL_CALL NestedKeyImpl::deleteLink( const OUString& rLinkName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	OUString 	linkName;
	OUString 	resolvedName;
	sal_Int32 	lastIndex = rLinkName.lastIndexOf('/');
	
	if ( lastIndex > 0 )
	{
		linkName = rLinkName.copy(0, lastIndex);

		resolvedName = computeName(linkName);

		if ( resolvedName.getLength() == 0 )
		{
			throw InvalidRegistryException();
		}
		
		resolvedName = resolvedName + rLinkName.copy(lastIndex);
	} else
	{
		if ( lastIndex == 0 )
			resolvedName = m_name + rLinkName;
		else
			resolvedName = m_name + OUString( RTL_CONSTASCII_USTRINGPARAM("/") ) + rLinkName;
	}
	
	if ( m_localKey.is() && m_localKey->isValid() &&
		 !m_localKey->isReadOnly() )
	{
		m_pRegistry->m_localReg->getRootKey()->deleteLink(resolvedName);
	} else
	{
		throw InvalidRegistryException();
	}
}
	
//*************************************************************************
OUString SAL_CALL NestedKeyImpl::getLinkTarget( const OUString& rLinkName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	OUString 	linkName;
	OUString 	resolvedName;
	sal_Int32 	lastIndex = rLinkName.lastIndexOf('/');
	
	if ( lastIndex > 0 )
	{
		linkName = rLinkName.copy(0, lastIndex);

		resolvedName = computeName(linkName);

		if ( resolvedName.getLength() == 0 )
		{
			throw InvalidRegistryException();
		}
		
		resolvedName = resolvedName + rLinkName.copy(lastIndex);
	} else
	{
		if ( lastIndex == 0 )
			resolvedName = m_name + rLinkName;
		else
			resolvedName = m_name + OUString( RTL_CONSTASCII_USTRINGPARAM("/") ) + rLinkName;
	}
	
	OUString linkTarget;
	if ( m_localKey.is() && m_localKey->isValid() )
	{
		try
		{
			linkTarget = m_pRegistry->m_localReg->getRootKey()->getLinkTarget(resolvedName);
			return linkTarget;
		}
		catch(InvalidRegistryException& )
		{
		}
	}
	
	if ( m_defaultKey.is() && m_defaultKey->isValid() )
		linkTarget = m_pRegistry->m_defaultReg->getRootKey()->getLinkTarget(resolvedName);

	return linkTarget;
}	

//*************************************************************************
OUString SAL_CALL NestedKeyImpl::getResolvedName( const OUString& aKeyName ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_pRegistry->m_mutex );
	if ( !m_localKey.is() && !m_defaultKey.is() )
	{
		throw InvalidRegistryException();
	}

	OUString resolvedName = computeName(aKeyName);

	if ( resolvedName.getLength() == 0 )
	{
		throw InvalidRegistryException();
	}

	return resolvedName;
}	

//*************************************************************************
//
// DefaultRegistry Implementation
//
//*************************************************************************
NestedRegistryImpl::NestedRegistryImpl( )
	: m_state(0)
{
	g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
}	

//*************************************************************************
NestedRegistryImpl::~NestedRegistryImpl()
{
	g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}


class RegistryEnumueration : public WeakImplHelper1< XEnumeration >
{
public:
    RegistryEnumueration(
        const Reference< XSimpleRegistry > &r1,
        const Reference< XSimpleRegistry > &r2 )
        : m_xReg1( r1 ) , m_xReg2( r2 )
        {}
public:
    virtual sal_Bool SAL_CALL hasMoreElements(  ) throw (RuntimeException);
    virtual Any SAL_CALL nextElement(  ) throw (NoSuchElementException, WrappedTargetException, RuntimeException);

private:
    Reference< XSimpleRegistry > m_xReg1;
    Reference< XSimpleRegistry > m_xReg2;
};

sal_Bool RegistryEnumueration::hasMoreElements(  ) throw (RuntimeException)
{
    return m_xReg1.is() || m_xReg2.is();
}

Any RegistryEnumueration::nextElement(  )
    throw (NoSuchElementException, WrappedTargetException, RuntimeException)
{
    Any a;
    if( m_xReg1.is() )
    {
        a <<= m_xReg1;
        m_xReg1.clear();
    }
    else if( m_xReg2.is() )
    {
        a <<= m_xReg2;
        m_xReg2.clear();
    }
    else
    {
        throw NoSuchElementException( OUString( RTL_CONSTASCII_USTRINGPARAM(
            "NestedRegistry: no nextElement() !" ) ),Reference< XInterface > () );
    }
    return a;
}


Reference< XEnumeration > NestedRegistryImpl::createEnumeration(  ) throw (RuntimeException)
{
    MutexGuard guard( m_mutex );
    return new RegistryEnumueration( m_localReg, m_defaultReg );
}

Type NestedRegistryImpl::getElementType(  ) throw (RuntimeException)
{
    return getCppuType( &m_localReg );
}

sal_Bool SAL_CALL NestedRegistryImpl::hasElements(  ) throw (RuntimeException)
{
    MutexGuard guard( m_mutex );
    return m_localReg.is() || m_defaultReg.is();
}



//*************************************************************************
OUString SAL_CALL NestedRegistryImpl::getImplementationName(  ) 
	throw(RuntimeException)
{
	return stoc_bootstrap::defreg_getImplementationName();
}	

//*************************************************************************
sal_Bool SAL_CALL NestedRegistryImpl::supportsService( const OUString& ServiceName ) 
	throw(RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	Sequence< OUString > aSNL = getSupportedServiceNames();
	const OUString * pArray = aSNL.getArray();
	for( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
		if( pArray[i] == ServiceName )
			return sal_True;
	return sal_False;
}	

//*************************************************************************
Sequence<OUString> SAL_CALL NestedRegistryImpl::getSupportedServiceNames(  ) 
	throw(RuntimeException)
{
	return stoc_bootstrap::defreg_getSupportedServiceNames();
}	

//*************************************************************************
void SAL_CALL NestedRegistryImpl::initialize( const Sequence< Any >& aArguments ) 
	throw( Exception, RuntimeException )
{
	Guard< Mutex > aGuard( m_mutex );
	if ( (aArguments.getLength() == 2) &&
		 (aArguments[0].getValueType().getTypeClass() == TypeClass_INTERFACE) &&
		 (aArguments[1].getValueType().getTypeClass() == TypeClass_INTERFACE) )
	{
		aArguments[0] >>= m_localReg;
		aArguments[1] >>= m_defaultReg;
		if ( m_localReg == m_defaultReg )
			m_defaultReg = Reference< XSimpleRegistry >();
	}
}

//*************************************************************************
OUString SAL_CALL NestedRegistryImpl::getURL() throw(RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	try
	{
		if ( m_localReg.is() && m_localReg->isValid() )
			return m_localReg->getURL();
	}
	catch(InvalidRegistryException& )
	{
	}
	
	return OUString();
}	

//*************************************************************************
void SAL_CALL NestedRegistryImpl::open( const OUString&, sal_Bool, sal_Bool ) 
	throw(InvalidRegistryException, RuntimeException)
{
	throw InvalidRegistryException( 
    		OUString::createFromAscii("the 'open' method is not specified for a nested registry"), 
    		Reference< XInterface >() );
}	

//*************************************************************************
sal_Bool SAL_CALL NestedRegistryImpl::isValid(  ) throw(RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	try
	{
		if ( (m_localReg.is() && m_localReg->isValid()) ||
			 (m_defaultReg.is() && m_defaultReg->isValid()) )
			return sal_True;
	}
	catch(InvalidRegistryException& )
	{
	}
	
	return sal_False;
}	

//*************************************************************************
void SAL_CALL NestedRegistryImpl::close(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	if ( m_localReg.is() && m_localReg->isValid() )
	{
		m_localReg->close();
	} 
	if ( m_defaultReg.is() && m_defaultReg->isValid() )
	{
		m_defaultReg->close();
	}
/*
	throw InvalidRegistryException( 
    		OUString::createFromAscii("the 'close' method is not specified for a nested registry"), 
    		Reference< XInterface >() );
*/
}	

//*************************************************************************
void SAL_CALL NestedRegistryImpl::destroy(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	throw InvalidRegistryException( 
    		OUString::createFromAscii("the 'destroy' method is not specified for a nested registry"), 
    		Reference< XInterface >() );
}	

//*************************************************************************
Reference< XRegistryKey > SAL_CALL NestedRegistryImpl::getRootKey(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Reference<XRegistryKey> tmpKey;
	
	Guard< Mutex > aGuard( m_mutex );
	if ( m_localReg.is() && m_localReg->isValid() )
	{
		Reference<XRegistryKey> localKey, defaultKey;

		localKey = m_localReg->getRootKey();

		if ( localKey.is() )
		{
			if ( m_defaultReg.is() && m_defaultReg->isValid() )
			{
				defaultKey = m_defaultReg->getRootKey();
			}

			return ((XRegistryKey*)new NestedKeyImpl(this, localKey, defaultKey));
		}
	} else
	{
		throw InvalidRegistryException();
	}
	
	return Reference<XRegistryKey>();
}	

//*************************************************************************
sal_Bool SAL_CALL NestedRegistryImpl::isReadOnly(  ) 
	throw(InvalidRegistryException, RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	try
	{
		if ( m_localReg.is() && m_localReg->isValid() )
			return m_localReg->isReadOnly();
	}
	catch(InvalidRegistryException& )
	{
	}
	
	return sal_False;
}	

//*************************************************************************
void SAL_CALL NestedRegistryImpl::mergeKey( const OUString& aKeyName, const OUString& aUrl ) 
	throw(InvalidRegistryException, MergeConflictException, RuntimeException)
{
	Guard< Mutex > aGuard( m_mutex );
	if ( m_localReg.is() && m_localReg->isValid() )
	{
		m_localReg->mergeKey(aKeyName, aUrl);
		
		m_state++;
	}
}	
} // namespace stco_defreg

namespace stoc_bootstrap
{
//*************************************************************************
Reference<XInterface> SAL_CALL NestedRegistry_CreateInstance( const Reference<XComponentContext>& ) 
	throw(Exception)
{
	Reference<XInterface>	xRet;
	XSimpleRegistry *pRegistry = (XSimpleRegistry*) new stoc_defreg::NestedRegistryImpl;

	if (pRegistry)
	{
		xRet = Reference<XInterface>::query(pRegistry);
	}	

	return xRet;
}

}