[jira] Commented: (TOMAHAWK-648) Buffer component doesn't support any apecial characters

["Martin Marinschek (JIRA)" <de...@myfaces.apache.org>]

    [ http://issues.apache.org/jira/browse/TOMAHAWK-648?page=comments#action_12435679 ] 
            
Martin Marinschek commented on TOMAHAWK-648:
--------------------------------------------

Related issue: TOMAHAWK-45

> Buffer component doesn't support any apecial characters
> -------------------------------------------------------
>
>                 Key: TOMAHAWK-648
>                 URL: http://issues.apache.org/jira/browse/TOMAHAWK-648
>             Project: MyFaces Tomahawk
>          Issue Type: Bug
>          Components: Buffer
>    Affects Versions: 1.1.3
>            Reporter: Tomas Havelka
>
> Buffer component doesn't support any special characters such as national characters. HtmlBufferResponseWriterWrapper causes this problem. Buffer temporary writer opened doesn't define character encoding at all. 
> Solution: rewrite HtmlBufferResponseWriterWrapper like this:
> public class HtmlBufferResponseWriterWrapper extends HtmlResponseWriterImpl
> {
>   /** string writer to use to write content */
>   private StringWriter stringWriter;
>   /** print writer to wrap string writer */
>   private PrintWriter writer;
>   /** original response writer*/
>   private ResponseWriter initialWriter;
>   /**
>    * Returns original faces response writer instance.
>    * @return
>    */
>   public ResponseWriter getInitialWriter()
>   {
>     return initialWriter;
>   }
>   /**
>    * Creates instance of HtmlBufferResponseWriterWrapper.
>    *
>    * @param initialWriter initial faces response writer instance
>    * @return
>    */
>   public static HtmlBufferResponseWriterWrapper getInstance(ResponseWriter initialWriter)
>   {
>     StringWriter stringWriter = new StringWriter();
>     PrintWriter instanceWriter = new PrintWriter(stringWriter, true);
>     return new HtmlBufferResponseWriterWrapper(initialWriter, stringWriter, instanceWriter);
>   }
>   /**
>    * Constructor.
>    *
>    * @param initialWriter original faces response writer
>    * @param stringWriter string writer that holds content
>    * @param writer writer that wrapes string writer
>    */
>   private HtmlBufferResponseWriterWrapper(ResponseWriter initialWriter, StringWriter stringWriter, PrintWriter writer)
>   {
>     super(writer, (initialWriter == null) ? null : initialWriter.getContentType(), 
>           (initialWriter == null) ? null : initialWriter.getCharacterEncoding());
>     this.stringWriter = stringWriter;
>     this.writer = writer;
>     this.initialWriter = initialWriter;
>   }
>   /**
>    * Returns wrapper content as string.
>    * @return
>    */
>   public String toString()
>   {
>     writer.flush();
>     writer.close();
>     return stringWriter.toString();
>   }
> }
> Tom

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