randomAccessFile = new RandomAccessFile( classFile, "rw" );
            fileChannel = randomAccessFile.getChannel();
            fileLock = fileChannel.lock();
            fileChannel.truncate( bytes.length );
            fileChannel.position( 0L );
            fileChannel.write( ByteBuffer.wrap( bytes ) );
            fileChannel.force( true );
            suppressExceptionOnClose = false;
        }
        finally
        {
            this.releaseAndClose( fileLock, fileChannel, randomAccessFile, suppressExceptionOnClose );
        }
    }

    private void releaseAndClose( final FileLock fileLock, final FileChannel fileChannel,
                                  final Closeable closeable, final boolean suppressExceptions )
        throws IOException
    {
        try
        {
            if ( fileLock != null )
            {
                fileLock.release();
            }
        }
        catch ( final IOException e )
        {
            if ( suppressExceptions )
            {
                this.log( Level.SEVERE, null, e );
            }
            else
            {
                throw e;
            }
        }
        finally
        {
            try
            {
                if ( fileChannel != null )
                {
                    fileChannel.close();
                }
            }
            catch ( final IOException e )
            {
                if ( suppressExceptions )
                {
                    this.log( Level.SEVERE, null, e );
                }
                else
                {
                    throw e;
                }
            }
            finally
            {
                try
                {
                    if ( closeable != null )
                    {
                        closeable.close();
                    }
                }
                catch ( final IOException e )
                {
                    if ( suppressExceptions )
                    {
                        this.log( Level.SEVERE, null, e );
                    }
                    else
                    {
                        throw e;
                    }
                }
            }
        }
    }

    private static String getMessage( final String key, final Object... arguments )
    {

    public ToolsModelProcessor()
    {
        super();
    }

    /**
     * Gets a flag indicating the processor is enabled by default.
     * <p>The default enabled flag is controlled by system property
     * {@code org.jomc.tools.modlet.ToolsModelProcessor.defaultEnabled} holding a value indicating the processor is
     * enabled by default. If that property is not set, the {@code true} default is returned.</p>
     *
     * @return {@code true}, if the processor is enabled by default; {@code false}, if the processor is disabled by
     * default.
     *
     * @see #setDefaultEnabled(java.lang.Boolean)
     */
    public static boolean isDefaultEnabled()
    {
        if ( defaultEnabled == null )
        {
            defaultEnabled = Boolean.valueOf( System.getProperty( DEFAULT_ENABLED_PROPERTY_NAME,
                                                                  Boolean.toString( DEFAULT_ENABLED ) ) );

        }

        return defaultEnabled;
    }

    /**
     * Sets the flag indicating the processor is enabled by default.
     *
     * @param value The new value of the flag indicating the processor is enabled by default or {@code null}.
     *
     * @see #isDefaultEnabled()
     */
    public static void setDefaultEnabled( final Boolean value )
    {
        defaultEnabled = value;
    }

    /**
     * Gets a flag indicating the processor is enabled.
     *
     * @return {@code true}, if the processor is enabled; {@code false}, if the processor is disabled.
     *
     * @see #isDefaultEnabled()
     * @see #setEnabled(java.lang.Boolean)
     */
    public final boolean isEnabled()
    {
        if ( this.enabled == null )
        {
            this.enabled = isDefaultEnabled();
        }

        return this.enabled;
    }

    /**
     * Sets the flag indicating the processor is enabled.
     *
     * @param value The new value of the flag indicating the processor is enabled or {@code null}.
     *
     * @see #isEnabled()
     */
    public final void setEnabled( final Boolean value )
    {
        this.enabled = value;
    }

    /**
     * Gets a flag indicating model object class path resolution is enabled by default.
     * <p>The model object class path resolution default enabled flag is controlled by system property
     * {@code org.jomc.tools.modlet.ToolsModelProcessor.defaultModelObjectClasspathResolutionEnabled} holding a value
     * indicating model object class path resolution is enabled by default. If that property is not set, the
     * {@code true} default is returned.</p>
     *
     * @return {@code true}, if model object class path resolution is enabled by default; {@code false}, if model object
     * class path resolution is disabled by default.
     *
     * @see #setDefaultModelObjectClasspathResolutionEnabled(java.lang.Boolean)
     */
    public static boolean isDefaultModelObjectClasspathResolutionEnabled()
    {
        if ( defaultModelObjectClasspathResolutionEnabled == null )
        {
            defaultModelObjectClasspathResolutionEnabled = Boolean.valueOf( System.getProperty(
                DEFAULT_MODEL_OBJECT_CLASSPATH_RESOLUTION_ENABLED_PROPERTY_NAME,
                Boolean.toString( DEFAULT_MODEL_OBJECT_CLASSPATH_RESOLUTION_ENABLED ) ) );

        }

        return defaultModelObjectClasspathResolutionEnabled;
    }

    /**
     * Sets the flag indicating model object class path resolution is enabled by default.
     *
     * @param value The new value of the flag indicating model object class path resolution is enabled by default or
     * {@code null}.
     *
     * @see #isDefaultModelObjectClasspathResolutionEnabled()
     */
    public static void setDefaultModelObjectClasspathResolutionEnabled( final Boolean value )
    {
        defaultModelObjectClasspathResolutionEnabled = value;
    }

    /**
     * Gets a flag indicating model object class path resolution is enabled.
     *
     * @return {@code true}, if model object class path resolution is enabled; {@code false}, if model object class path
     * resolution is disabled.
     *
     * @see #isDefaultModelObjectClasspathResolutionEnabled()
     * @see #setModelObjectClasspathResolutionEnabled(java.lang.Boolean)
     */
    public final boolean isModelObjectClasspathResolutionEnabled()
    {
        if ( this.modelObjectClasspathResolutionEnabled == null )
        {
            this.modelObjectClasspathResolutionEnabled = isDefaultModelObjectClasspathResolutionEnabled();
        }

        return this.modelObjectClasspathResolutionEnabled;
    }

    /**
     * Sets the flag indicating model object class path resolution is is enabled.
     *
     * @param value The new value of the flag indicating model object class path resolution is enabled or {@code null}.
     *
     * @see #isModelObjectClasspathResolutionEnabled()
     */
    public final void setModelObjectClasspathResolutionEnabled( final Boolean value )
    {
        this.modelObjectClasspathResolutionEnabled = value;
    }

    /**
     * {@inheritDoc}
     *
     * @see #isEnabled()
     * @see #isModelObjectClasspathResolutionEnabled()
     * @see #ENABLED_ATTRIBUTE_NAME
     * @see #MODEL_OBJECT_CLASSPATH_RESOLUTION_ENABLED_ATTRIBUTE_NAME
     */
    public Model processModel( final ModelContext context, final Model model ) throws ModelException

            final String classLocation = specification.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "committing", classFile.getAbsolutePath() ), null );
            }

            final JavaClass javaClass = this.readJavaClass( classFile );
            this.commitModelObjects( specification, marshaller, javaClass );

            final String classLocation = specification.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !classFile.canRead() )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "validating", classFile.getAbsolutePath() ), null );
            }

            final JavaClass javaClass = this.readJavaClass( classFile );

            report.getDetails().addAll(
                this.validateModelObjects( specification, unmarshaller, javaClass ).getDetails() );

            final String classLocation = specification.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "transforming", classFile.getAbsolutePath() ), null );
            }

            final JavaClass javaClass = this.readJavaClass( classFile );
            this.transformModelObjects( specification, marshaller, unmarshaller, javaClass, transformers );

            final Modules modules = ModelHelper.getModules( processed );

            if ( modules != null )
            {
                Module classpathModule = null;
                if ( contextModelObjectClasspathResolutionEnabled )
                {
                    classpathModule = modules.getClasspathModule( Modules.getDefaultClasspathModuleName(),
                                                                  context.getClassLoader() );

                    if ( classpathModule != null
                         && modules.getModule( Modules.getDefaultClasspathModuleName() ) == null )
                    {
                        modules.getModule().add( classpathModule );
                    }
                    else
                    {
                        classpathModule = null;
                    }
                }

                if ( modules.getSpecifications() != null )
                {
                    for ( int i = 0, s0 = modules.getSpecifications().getSpecification().size(); i < s0; i++ )
                    {
                        final Specification specification = modules.getSpecifications().getSpecification().get( i );
                        final SourceFileType sourceFileType = specification.getAnyObject( SourceFileType.class );
                        final SourceFilesType sourceFilesType = specification.getAnyObject( SourceFilesType.class );

                        if ( sourceFileType != null )

                                     final File classesDirectory ) throws IOException
    {
        if ( specification.isClassDeclaration() )
        {
            final String classLocation = specification.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "committing", classFile.getAbsolutePath() ), null );

                                     final File classesDirectory ) throws IOException
    {
        if ( implementation.isClassDeclaration() )
        {
            final String classLocation = implementation.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "committing", classFile.getAbsolutePath() ), null );

        String methodParameterName = null;

        if ( str != null )
        {
            final int len = str.length();
            final StringBuilder builder = new StringBuilder( len );
            boolean uc = false;

            for ( int i = 0; i < len; i++ )
            {
                final char c = str.charAt( i );
                final String charString = Character.toString( c );

                if ( builder.length() > 0 )
                {
                    if ( Character.isJavaIdentifierPart( c ) )
                    {
                        builder.append( uc ? charString.toUpperCase( this.getLocale() ) : charString );
                        uc = false;
                    }
                    else
                    {
                        uc = true;
                    }
                }
                else if ( Character.isJavaIdentifierStart( c ) )
                {
                    builder.append( charString.toLowerCase( this.getLocale() ) );
                }
            }

            final String classLocation = implementation.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "committing", classFile.getAbsolutePath() ), null );

            final String classLocation = specification.getClazz().replace( '.', File.separatorChar ) + ".class";
            final File classFile = new File( classesDirectory, classLocation );

            if ( !classesDirectory.isDirectory() )
            {
                throw new IOException( getMessage( "directoryNotFound", classesDirectory.getAbsolutePath() ) );
            }
            if ( !classFile.isFile() )
            {
                throw new IOException( getMessage( "fileNotFound", classFile.getAbsolutePath() ) );
            }
            if ( !( classFile.canRead() && classFile.canWrite() ) )
            {
                throw new IOException( getMessage( "fileAccessDenied", classFile.getAbsolutePath() ) );
            }

            if ( this.isLoggable( Level.INFO ) )
            {
                this.log( Level.INFO, getMessage( "committing", classFile.getAbsolutePath() ), null );

            final ObjectFactory of = new ObjectFactory();

            Dependencies dependencies = this.getModules().getDependencies( implementation.getIdentifier() );
            if ( dependencies == null )
            {
                dependencies = new Dependencies();
            }

            Properties properties = this.getModules().getProperties( implementation.getIdentifier() );
            if ( properties == null )
            {
                properties = new Properties();
            }

            Messages messages = this.getModules().getMessages( implementation.getIdentifier() );
            if ( messages == null )
            {
                messages = new Messages();
            }

            Specifications specifications = this.getModules().getSpecifications( implementation.getIdentifier() );
            if ( specifications == null )
            {
                specifications = new Specifications();
            }

                this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null );
            }
        }
        catch ( final JAXBException e )
        {
            String message = getMessage( e );
            if ( message == null && e.getLinkedException() != null )
            {
                message = getMessage( e.getLinkedException() );
            }

            // JDK: As of JDK 6, "new IOException( message, cause )".
            throw (IOException) new IOException( message ).initCause( e );
        }
        catch ( final TransformerException e )
        {
            String message = getMessage( e );
            if ( message == null && e.getException() != null )
            {
                message = getMessage( e.getException() );
            }

            // JDK: As of JDK 6, "new IOException( message, cause )".
            throw (IOException) new IOException( message ).initCause( e );
        }
    }

    /**
     * Transforms model objects of a given implementation of the modules of the instance.
     *
     * @param implementation The implementation to process.
     * @param marshaller The marshaller to use for transforming model objects.
     * @param unmarshaller The unmarshaller to use for transforming model objects.
     * @param javaClass The java class to transform model object of.
     * @param transformers The transformers to use for transforming the model objects.
     *
     * @throws NullPointerException if {@code implementation}, {@code marshaller}, {@code unmarshaller},
     * {@code javaClass} or {@code transformers} is {@code null}.
     * @throws IOException if transforming model objects fails.
     */
    public void transformModelObjects( final Implementation implementation, final Marshaller marshaller,

                this.log( Level.INFO, getMessage( "validatingSpecification", specification.getIdentifier() ), null );
            }

            InputStream in = null;
            JavaClass javaClass = null;
            boolean suppressExceptionOnClose = true;

            try
            {
                in = classUrl.openStream();
                javaClass = new ClassParser( in, classUrl.toExternalForm() ).parse();
                suppressExceptionOnClose = false;
            }
            finally
            {
                try
                {
                    if ( in != null )
                    {
                        in.close();
                    }
                }
                catch ( final IOException e )
                {
                    if ( suppressExceptionOnClose )
                    {
                        this.log( Level.SEVERE, getMessage( e ), e );
                    }
                    else
                    {
                        throw e;
                    }
                }
            }

            report.getDetails().addAll(
                this.validateModelObjects( specification, unmarshaller, javaClass ).getDetails() );

                        final JavaTypeName javaTypeName = specification.getJavaTypeName();

                        if ( javaTypeName != null )
                        {
                            if ( javaTypeName.getName( false ).equals( s.getName() ) )
                            {
                                if ( !isFieldSet( s, "editable" ) )
                                {
                                    s.setEditable( true );
                                }
                                if ( !isFieldSet( s, "indentationLevel" ) )
                                {
                                    s.setIndentationLevel( 1 );
                                }
                            }
                        }
                    }
                    catch ( final ModelObjectException e )
                    {
                        context.log( Level.WARNING, getMessage( e ), null );
                    }

                    this.applyDefaults( context, modules, specification, s.getSourceSections() );