Examples of javax.faces.context.ResponseStream

javax.faces.context.ResponseStream
sun.com/j2ee/javaserverfaces/1.1_01/docs/api/index.html">JSF Specification @author Manfred Geiler (latest modification by $Author: matzew $) @version $Revision: 358099 $ $Date: 2005-12-20 13:40:00 -0700 (Tue, 20 Dec 2005) $


    public ResponseStream createResponseStream(OutputStream outputStream)
    {
        final OutputStream output = outputStream;


        return new ResponseStream()
        {
            public void write(int b) throws IOException
            {
                output.write(b);
            }

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  }


  @Override
  public ResponseStream createResponseStream(final OutputStream output)
  {
    return new ResponseStream()
    {
      @Override
      public void write(int b) throws IOException
      {
        output.write(b);

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    protected void renderCAPTCHA(FacesContext facesContext) throws IOException {


    // getting CAPTCHA attributes.
    HttpServletResponse response = (HttpServletResponse) facesContext
        .getExternalContext().getResponse();
    ResponseStream out = facesContext.getResponseStream();
    Map requestMap = facesContext.getExternalContext()
        .getRequestParameterMap();
    HttpServletRequest request = (HttpServletRequest) facesContext
        .getExternalContext().getRequest();
    String captchaSessionKeyName = requestMap.get(
        CAPTCHAComponent.ATTRIBUTE_CAPTCHA_SESSION_KEY_NAME).toString();
    
    // construct the CAPTCHA image generator object.
    CAPTCHAImageGenerator captchaImageGenerator = new CAPTCHAImageGenerator();
    
    try 
    {
        String captchaText;
        Color endingColor = ColorGenerator.generateRandomColor(null);
        Color startingColor = ColorGenerator.generateRandomColor(endingColor);
        
        // Generate random CAPTCHA text.
        captchaText = CAPTCHATextGenerator.generateRandomText();        
        
        // Generate the image, the BG color is randomized from starting to ending colors.
            captchaImageGenerator.generateImage(response, captchaText,
            startingColor, endingColor);


        // Set the generated text in the user session.
        request.getSession().setAttribute(captchaSessionKeyName,
            captchaText);


    }
    finally 
    {
        out.close();
        facesContext.responseComplete();
    }
    }

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    public ResponseStream createResponseStream(OutputStream outputStream)
    {
        final OutputStream output = outputStream;


        return new ResponseStream()
        {
            public void write(int b) throws IOException
            {
                output.write(b);
            }

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    {


        // getting CAPTCHA attributes.
        HttpServletResponse response = (HttpServletResponse) facesContext
                .getExternalContext().getResponse();
        ResponseStream out = facesContext.getResponseStream();
        Map requestMap = facesContext.getExternalContext()
                .getRequestParameterMap();
        String captchaSessionKeyName = requestMap.get(
                CAPTCHAComponent.ATTRIBUTE_CAPTCHA_SESSION_KEY_NAME).toString();


        // construct the CAPTCHA image generator object.
        CAPTCHAImageGenerator captchaImageGenerator = new CAPTCHAImageGenerator();


        try
        {
            String captchaText;
            Color endingColor = ColorGenerator.generateRandomColor(null);
            Color startingColor = ColorGenerator
                    .generateRandomColor(endingColor);


            // Generate random CAPTCHA text.
            captchaText = CAPTCHATextGenerator.generateRandomText();


            TomahawkConfig config = TomahawkConfig.getCurrentInstance(facesContext);
            // Set the generated text in the user session.
            facesContext.getExternalContext().getSessionMap().put(
                    config.isPrefixCaptchaSessionKey() ? 
                    AbstractCAPTCHAComponent.ATTRIBUTE_CAPTCHA_SESSION_KEY_NAME+
                    "_"+captchaSessionKeyName : captchaSessionKeyName, captchaText);


            // Generate the image, the BG color is randomized from starting to ending colors.
            captchaImageGenerator.generateImage(response, captchaText,
                    startingColor, endingColor);
        }
        finally
        {
            out.close();
            facesContext.responseComplete();
        }
    }

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  }


  @Override
  public ResponseStream createResponseStream(final OutputStream output)
  {
    return new ResponseStream()
    {
      @Override
      public void write(int b) throws IOException
      {
        output.write(b);

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    return new MockResponseWriter(writer, characterEncoding);
  }


  public ResponseStream createResponseStream(OutputStream out) {
    final OutputStream os = out;
    return new ResponseStream() {
      public void close() throws IOException {
        os.close();
      }


      public void flush() throws IOException {

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    public ResponseStream createResponseStream(OutputStream outputStream)
    {
        final OutputStream output = outputStream;


        return new ResponseStream()
        {
            public void write(int b) throws IOException
            {
                output.write(b);
            }

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    {


        // getting CAPTCHA attributes.
        HttpServletResponse response = (HttpServletResponse) facesContext
                .getExternalContext().getResponse();
        ResponseStream out = facesContext.getResponseStream();
        Map requestMap = facesContext.getExternalContext()
                .getRequestParameterMap();
        String captchaSessionKeyName = requestMap.get(
                CAPTCHAComponent.ATTRIBUTE_CAPTCHA_SESSION_KEY_NAME).toString();


        // construct the CAPTCHA image generator object.
        CAPTCHAImageGenerator captchaImageGenerator = new CAPTCHAImageGenerator();


        try
        {
            String captchaText;
            Color endingColor = ColorGenerator.generateRandomColor(null);
            Color startingColor = ColorGenerator
                    .generateRandomColor(endingColor);


            // Generate random CAPTCHA text.
            captchaText = CAPTCHATextGenerator.generateRandomText();


            // Generate the image, the BG color is randomized from starting to ending colors.
            captchaImageGenerator.generateImage(response, captchaText,
                    startingColor, endingColor);


            // Set the generated text in the user session.
            facesContext.getExternalContext().getSessionMap().put(
                    captchaSessionKeyName, captchaText);
        }
        finally
        {
            out.close();
            facesContext.responseComplete();
        }
    }

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  }


  @Override
  public ResponseStream createResponseStream(final OutputStream output)
  {
    return new ResponseStream()
    {
      @Override
      public void write(int b) throws IOException
      {
        output.write(b);

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