/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .

 */

#include <fsfactory.hxx>

#include <com/sun/star/embed/ElementModes.hpp>

#include <com/sun/star/io/IOException.hpp>

#include <comphelper/processfactory.hxx>

#include <cppuhelper/supportsservice.hxx>

#include <cppuhelper/weak.hxx>

#include <ucbhelper/content.hxx>

#include <unotools/tempfile.hxx>

#include <unotools/ucbhelper.hxx>

#include "fsstorage.hxx"

using namespace ::com::sun::star;

uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstance()

{

    OUString aTempURL = ::utl::CreateTempURL( nullptr, true );

    if ( aTempURL.isEmpty() )

        throw uno::RuntimeException(u"Cannot create tempfile."_ustr);

    ::ucbhelper::Content aResultContent(

        aTempURL, uno::Reference< ucb::XCommandEnvironment >(),

        comphelper::getProcessComponentContext() );

    return cppu::getXWeak(

            new FSStorage(  aResultContent,

                            embed::ElementModes::READWRITE,

                            m_xContext ) );

}

/**

 * The request for storage can be done with up to three arguments.

 * The first argument specifies a source for the storage it must be URL.

 * The second value is a mode the storage should be open in.

 * The third value is a media descriptor.

 */

uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstanceWithArguments(

            const uno::Sequence< uno::Any >& aArguments )

{

    sal_Int32 nArgNum = aArguments.getLength();

    OSL_ENSURE( nArgNum < 4, "Wrong parameter number" );

    if ( !nArgNum )

        return createInstance();

    // first try to retrieve storage open mode if any

    // by default the storage will be open in readonly mode

    sal_Int32 nStorageMode = embed::ElementModes::READ;

    if ( nArgNum >= 2 )

    {

        if( !( aArguments[1] >>= nStorageMode ) )

        {

            throw lang::IllegalArgumentException(

                (u"second argument to css.embed.FileSystemStorageFactory."

                 "createInstanceWithArguments must be a"

                 " css.embed.ElementModes"_ustr),

                getXWeak(), -1);

        }

        // it's always possible to read written storage in this implementation

        nStorageMode |= embed::ElementModes::READ;

    }

    // retrieve storage source URL

    OUString aURL;

    if ( !( aArguments[0] >>= aURL ) || aURL.isEmpty() )

    {

        throw lang::IllegalArgumentException(

            (u"first argument to"

             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"

             " must be a (non-empty) URL"_ustr),

            getXWeak(), -1);

    }

    // allow to use other ucp's

    // if ( !isLocalNotFile_Impl( aURL ) )

    if ( aURL.startsWithIgnoreAsciiCase("vnd.sun.star.pkg:")

      || aURL.startsWithIgnoreAsciiCase("vnd.sun.star.zip:")

      || ::utl::UCBContentHelper::IsDocument( aURL ) )

    {

        throw lang::IllegalArgumentException(

            ("URL \"" + aURL + "\" passed as first argument to"

             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"

             " must be a file URL denoting a directory"),

            getXWeak(), -1);

    }

    if ( ( nStorageMode & embed::ElementModes::WRITE ) && !( nStorageMode & embed::ElementModes::NOCREATE ) )

        FSStorage::MakeFolderNoUI( aURL );

    else if ( !::utl::UCBContentHelper::IsFolder( aURL ) )

        throw io::IOException(

            ("URL \"" + aURL + "\" passed to"

             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"

             " does not denote an existing directory"),

            getXWeak());

    ::ucbhelper::Content aResultContent(

        aURL, uno::Reference< ucb::XCommandEnvironment >(),

        comphelper::getProcessComponentContext() );

    // create storage based on source

    return cppu::getXWeak( new FSStorage( aResultContent,

                                                    nStorageMode,

                                                    m_xContext ) );

}

OUString SAL_CALL FSStorageFactory::getImplementationName()

{

    return u"com.sun.star.comp.embed.FileSystemStorageFactory"_ustr;

}

sal_Bool SAL_CALL FSStorageFactory::supportsService( const OUString& ServiceName )

{

    return cppu::supportsService(this, ServiceName);

}

uno::Sequence< OUString > SAL_CALL FSStorageFactory::getSupportedServiceNames()

{

    return { u"com.sun.star.embed.FileSystemStorageFactory"_ustr,

                u"com.sun.star.comp.embed.FileSystemStorageFactory"_ustr };

}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*

svl_FSStorageFactory_get_implementation(

    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)

{

    return cppu::acquire(new FSStorageFactory(context));

}

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