xref: /AOO41X/main/dbaccess/source/core/recovery/storagestream.hxx (revision 2e2212a7c22e96cf6f6fab0dd042c34a45a64bd6)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#ifndef STORAGESTREAM_HXX
#define STORAGESTREAM_HXX

#include "dbaccessdllapi.h"

/** === begin UNO includes === **/
#include <com/sun/star/embed/XStorage.hpp>
/** === end UNO includes === **/

namespace comphelper
{
    class ComponentContext;
}

//........................................................................
namespace dbaccess
{
//........................................................................

	//====================================================================
	//= StorageOutputStream
	//====================================================================
    /** convenience wrapper around a stream living in a storage
    */
	class DBACCESS_DLLPRIVATE StorageOutputStream
	{
    public:
        StorageOutputStream(
            const ::comphelper::ComponentContext& i_rContext,
            const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& i_rParentStorage,
            const ::rtl::OUString& i_rStreamName
        );
        virtual ~StorageOutputStream();

        /** simply calls closeOutput on our output stream, override to extend/modify this behavior
        */
        virtual void close();

    protected:
        const ::comphelper::ComponentContext&   getContext() const { return m_rContext; }
        const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >&
                                                getOutputStream() const { return m_xOutputStream; }

    private:
        const ::comphelper::ComponentContext&   m_rContext;
              ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >
                                                m_xOutputStream;
	};

	//====================================================================
	//= StorageInputStream
	//====================================================================
    /** convenience wrapper around a stream living in a storage
    */
	class DBACCESS_DLLPRIVATE StorageInputStream
	{
    public:
        StorageInputStream(
            const ::comphelper::ComponentContext& i_rContext,
            const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& i_rParentStorage,
            const ::rtl::OUString& i_rStreamName
        );
        virtual ~StorageInputStream();

        /** simply calls closeInput on our input stream, override to extend/modify this behavior
        */
        virtual void close();

    protected:
        const ::comphelper::ComponentContext&   getContext() const { return m_rContext; }
        const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >&
                                                getInputStream() const { return m_xInputStream; }

    private:
        const ::comphelper::ComponentContext&   m_rContext;
              ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >
                                                m_xInputStream;
	};

//........................................................................
} // namespace dbaccess
//........................................................................

#endif // STORAGESTREAM_HXX