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/*************************************************************************
 *
 *  $RCSfile: bootstrap.hxx,v $
 *
 *  $Revision: 1.22 $
 *
 *  last change: $Author: hr $ $Date: 2003-03-19 16:18:53 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef CONFIGMGR_BOOTSTRAP_HXX_
#define CONFIGMGR_BOOTSTRAP_HXX_

#ifndef CONFIGMGR_BOOTSTRAPCONTEXT_HXX_
#include "bootstrapcontext.hxx"
#endif

// ---------------------------------------------------------------------------------------
#define CONFIGMGR_INIFILE                   SAL_CONFIGFILE("configmgr")
#define BOOTSTRAP_ITEM_INIFILE              "CFG_INIFILE"
// ---------------------------------------------------------------------------------------
// standard settings
#define SETTING_UNOSERVICE					"BackendService"
#define SETTING_UNOWRAPPER					"BackendWrapper"
#define SETTING_OFFLINE						"Offline"
#define SETTING_LOCALE_NEW					"Locale"
#define SETTING_ASYNC_NEW					"EnableAsync"
#define SETTING_INIFILE                     "Inifile"

// Prefixes
#define CONTEXT_MODULE_PREFIX_              "/modules/com.sun.star.configuration/"
#define CONTEXT_SECTION_BOOTSTRAP_          "bootstrap/"
#define CONTEXT_ITEM_PREFIX_                CONTEXT_MODULE_PREFIX_ CONTEXT_SECTION_BOOTSTRAP_
#define BOOTSTRAP_ITEM_PREFIX_              "CFG_"

// special internal context values
#define CONTEXT_SECTION_INTERNAL_           "factory/"
#define CONTEXT_INTERNAL_PREFIX_            CONTEXT_MODULE_PREFIX_ CONTEXT_SECTION_INTERNAL_
#define CONTEXT_ITEM_ADMINFLAG		        CONTEXT_INTERNAL_PREFIX_"isAdminConfiguration" 
#define CONTEXT_ITEM_BOOTSTRAP_ERROR        CONTEXT_INTERNAL_PREFIX_"theBootstrapError" 

#define CONTEXT_ITEM_IS_WRAPPER_CONTEXT     CONTEXT_INTERNAL_PREFIX_"isWrapperContext" 
#define CONTEXT_ITEM_IS_BOOTSTRAP_CONTEXT   CONTEXT_INTERNAL_PREFIX_"isBootstrapContext" 

// ---------------------------------------------------------------------------------------
#define A_DefaultProviderSingletonName "com.sun.star.configuration.theDefaultProvider"
#define K_DefaultBackendSingletonName       "com.sun.star.configuration.backend.theDefaultBackend" 
#define K_DefaultSingleBackendSingletonName "com.sun.star.configuration.backend.theDefaultSingleBackend" 
#define A_BootstrapContextSingletonName     "com.sun.star.configuration.bootstrap.theBootstrapContext"
// -------------------------------------------------------------------------
#define A_DefaultProviderServiceAndImplName     "com.sun.star.configuration.DefaultProvider"
#define K_DefaultBackendServiceAndImplName         "com.sun.star.configuration.backend.DefaultBackend"
#define K_DefaultSingleBackendServiceAndImplName   "com.sun.star.configuration.backend.DefaultSingleBackend"
// ---------------------------------------------------------------------------------------
namespace configmgr
{
    // -----------------------------------------------------------------------------------
    
    namespace uno = ::com::sun::star::uno;
    namespace lang = ::com::sun::star::lang;
    namespace beans = ::com::sun::star::beans;
    using ::rtl::OUString;
    // -----------------------------------------------------------------------------------

    /** Customized ComponentContext for configuration bootstrap data and runtime arguments
    */
    class BootstrapContext : public ComponentContext
    {
    // creation and destruction
    private:
        friend uno::Reference<uno::XInterface> SAL_CALL 
            instantiateBootstrapContext( Context const& xContext );

        // constructor
        BootstrapContext(Context const & _xContext);

        // two-phase construct
        void initialize();

    public:
        typedef uno::Sequence < beans::NamedValue >             Overrides;
        /** Constructs a Context based on the given arguments and context.
            @param _xContext
                The base context of this component context.

            @param _aArguments
                The arguments used to create this component context.  
        */
        static Context createWrapper(Context const & _xContext, Overrides const & _aOverrides);

        /** Checks, if the given context is a wrapper.
            @param _xContext
                The context that is checked.
        */
        static sal_Bool isWrapper(Context const & _xContext);

        /** Retrieves the BootstrapContext for the given non-bootstrap context.
            @param _xContext
                The context from which the bootstrap context should be retrieved.

        */
        static Context get(Context const & _xContext);

        /// Destroys this BootstrapContext
        ~BootstrapContext();

        // gets the INI that should be used for bootstrap data by default
        static OUString getDefaultConfigurationBootstrapURL();

    // interface implementations
    public:
    // XComponentContext
        /** Retrieves a value from this context. 
            
            @param Name
                The name of the value to retrieve.
                A prefix of "com.sun.star.configuration.bootstrap." is stripped/ignored

            @returns 
                The requested value, or <VOID/> if the value is not found.
        */
        virtual uno::Any SAL_CALL 
            getValueByName( const OUString& Name )
                throw (uno::RuntimeException);

    public: // used by ArgumentHelper
        static OUString makeContextName (OUString const & _aShortName);
    
    private:
        static OUString makeBootstrapName(OUString const & _aLongName);
        uno::Any makeBootstrapException();
    };
// -----------------------------------------------------------------------------
    class ContextReader
    {
    public:
        typedef uno::Reference< uno::XComponentContext > Context;
        explicit
        ContextReader(Context const & context);

    // the underlying contexts
        sal_Bool hasBootstrapContext()          const { return m_fullcontext.is(); }
        Context const & getBootstrapContext()   const { return m_fullcontext; }
        Context const & getBaseContext()        const { return m_basecontext; }
        Context const & getBestContext()        const { return m_fullcontext.is() ? m_fullcontext : m_basecontext; }

        uno::Reference< lang::XMultiComponentFactory > getServiceManager() const;

        /** Checks, if the given context is a BootstrapContext.
            @param _xContext
                The context that is checked.
        */
        static bool isBootstrapContext(Context const & context);

        /** Checks, if the given context has the given 'admin' flag setting..
            @param _xContext
                The context that is checked.
        */
        static bool testAdminService(Context const & context, bool bAdmin);

    // general settings
        sal_Bool    isUnoBackend() const;

        sal_Bool    hasUnoBackendService() const;
        sal_Bool    hasUnoBackendWrapper() const;

        sal_Bool	hasLocale() const;
        sal_Bool	hasAsyncSetting() const;
        sal_Bool    hasOfflineSetting() const;

        OUString    getUnoBackendService() const;
        OUString    getUnoBackendWrapper() const;

        OUString	getLocale() const;
        sal_Bool	getAsyncSetting() const;
        sal_Bool	getOfflineSetting() const;

    // internal settings - should only ever be in configmgr::BootstrapContext instances
        // get a special setting
        sal_Bool	isAdminService() const;

        // access to error diagnostics
        sal_Bool    isBootstrapValid() const;
        uno::Any    getBootstrapError() const;
    private:
        sal_Bool hasSetting(OUString const & _aSetting) const;
        sal_Bool getBoolSetting(OUString const & _aSetting, sal_Bool bValue) const;
        OUString getStringSetting(OUString const & _aSetting, OUString aValue) const;
        uno::Any getSetting(OUString const & _aSetting) const;
    private:
        Context m_basecontext;
        Context m_fullcontext;
    };
    //------------------------------------------------------------------------

    class ArgumentHelper
    {
        bool m_bHasBackendArguments;
    public:
        typedef uno::Reference< uno::XComponentContext > Context;

        explicit
        ArgumentHelper(Context const & context) 
        : m_context(context) 
        , m_bHasBackendArguments(false)
        {}

        bool hasBackendArguments() const { return m_bHasBackendArguments; }
        bool checkBackendArgument(beans::NamedValue const & aAdjustedValue);

        bool filterAndAdjustArgument(beans::NamedValue & rValue);

        static 
        bool extractArgument(beans::NamedValue & rValue, uno::Any const & aArgument);

        static beans::NamedValue makeAdminServiceOverride(sal_Bool bAdmin);
    private:
        Context m_context; // context used to strip identical arguments
    };
// -----------------------------------------------------------------------------------

}

#endif // CONFIGMGR_BOOTSTRAP_HXX_