src/xalanc/PlatformSupport/XalanFileOutputStream.hpp

/*
 * 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.
 */
#if !defined(XALANFILEOUTPUTSTREAM_HEADER_GUARD_1357924680)
#define XALANFILEOUTPUTSTREAM_HEADER_GUARD_1357924680



// Base include file.  Must be first.
#include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>



#if defined(XALAN_WINDOWS)
#include <windows.h>
#else
#include <cstdio>
#endif



// Base class header file.
#include <xalanc/PlatformSupport/XalanOutputStream.hpp>



namespace XALAN_CPP_NAMESPACE {


using std::FILE;

class XALAN_PLATFORMSUPPORT_EXPORT XalanFileOutputStream : public XalanOutputStream
{
public :

    enum { eDefaultBufferSize = 8192u };

#if defined(XALAN_WINDOWS)
    typedef HANDLE  HandleType;
#else
    typedef FILE*   HandleType;
#endif

    /**
     * Construct an XalanFileOutputStream object.
     * 
     * @param theFileName name of file
     * @param theBufferSize The size of the transcoding buffer
     */
    XalanFileOutputStream(
            const XalanDOMString&   theFileName,
            MemoryManager&          theManager,
            size_type               theBufferSize = eDefaultBufferSize);

    static XalanFileOutputStream*
    create(
            const XalanDOMString&   theFileName,
            MemoryManager&          theManager,
            size_type               theBufferSize = eDefaultBufferSize);
    virtual
    ~XalanFileOutputStream();


    class XALAN_PLATFORMSUPPORT_EXPORT XalanFileOutputStreamOpenException : public XalanOutputStream::XalanOutputStreamException
    {
    public:

        /**
         * Construct an XalanFileOutputStreamOpen exception object for an exception
         * that occurred on opening a text file stream.
         * 
         * @param theFileName  name of file causing the exception
         * @param theErrorCode number of error encountered
         */
        XalanFileOutputStreamOpenException(
            const XalanDOMString&   theFileName,
            int                     theErrorCode,
            XalanDOMString&         theBuffer,
            const Locator*          theLocator = 0);

        virtual
        ~XalanFileOutputStreamOpenException();

        virtual const XalanDOMChar*
        getType() const
        {
            return m_type;
        }

    private:

        static const XalanDOMChar   m_type[];

    };

    class XALAN_PLATFORMSUPPORT_EXPORT XalanFileOutputStreamWriteException : public XalanOutputStream::XalanOutputStreamException
    {
    public:

        /**
         * Construct an XalanFileOutputStreamOpen exception object for an exception
         * that occurred while writing to a text file stream.
         * 
         * @param theFileName  name of file causing the exception
         * @param theErrorCode number of error encountered
         */
        XalanFileOutputStreamWriteException(
            const XalanDOMString&   theFileName,
            int                     theErrorCode,
            XalanDOMString&         theBuffer,
            const Locator*          theLocator = 0);

        virtual
        ~XalanFileOutputStreamWriteException();

        virtual const XalanDOMChar*
        getType() const
        {
            return m_type;
        }

    private:
        static const XalanDOMChar   m_type[];

    };

protected:

    virtual void
    writeData(
            const char*     theBuffer,
            size_type       theBufferLength);

    virtual void
    doFlush();

private:

    // These are not implemented...
    XalanFileOutputStream(const XalanFileOutputStream&);

    XalanFileOutputStream&
    operator=(const XalanFileOutputStream&);

    bool
    operator==(const XalanFileOutputStream&) const;


    // Data members...
    const XalanDOMString    m_fileName;

    const HandleType        m_handle;
};



}



#endif  // XALANFILEOUTPUTSTREAM_HEADER_GUARD_1357924680