Examples of java.io.CharArrayWriter

java.io.CharArrayWriter
CharArrayWriter is used as a character output stream on a character array. The buffer used to store the written characters will grow as needed to accommodate more characters as they are written.

  public static EObject characters_to(EObject charlist, EObject encodingSpec, CharArrayConverter output_converter) {
    Charset encoding = encodingSpecToCharset(encodingSpec);
    if (encoding == null)
      throw ERT.badarg(charlist, encodingSpec);


    CharArrayWriter out = new CharArrayWriter();
    CharCollector collector = new CharCollector(encoding, out);


    ESeq rest = ERT.NIL;
    try {
      rest = charlist.collectCharList(collector, rest);

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      if (stream != null) {
              throw new IllegalStateException("Cannot call getWriter() after getOutputStream()");
          }
      
      if (writer == null) {
        writer = new CharArrayWriter();
        pw = new PrintWriter(writer); 
      }
      return pw;
    }

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      ResponseWrapper responseWrapper = new ResponseWrapper((HttpServletResponse)response);
      chain.doFilter(requestWrapper, responseWrapper);
      String responseText = responseWrapper.toString();
      if (responseText != null && responseText.length() > 0) {
        String result = responseText;
        CharArrayWriter caw = new CharArrayWriter();
        // Maqetta's servlet overrides the encoding with UTF-8, as does the HTML META tag in
        // typical Maqetta content.  Not clear if either of those get picked up.  Hard-code UTF-8, for now.
        HTMLParser parser = new HTMLParser(caw, /*response.getCharacterEncoding()*/ "UTF-8", configScriptTag.toString().replace("__CONTEXT_PATH__", request.getServletContext().getContextPath()), pathInfo);
        parser.parse(responseText);
        result = caw.toString();
        if (logger.isLoggable(Level.FINEST)) {
          logger.logp(Level.FINEST, getClass().getName(), "doFilter", "filter response : "+result);
        }
        response.setContentLength(result.length());
        out.write(result);

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     * @throws IOException if an I/O error occurs
     * @since 2.3
     */
    public static char[] toCharArray(final InputStream is, final Charset encoding)
            throws IOException {
        final CharArrayWriter output = new CharArrayWriter();
        copy(is, output, encoding);
        return output.toCharArray();
    }

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     * @throws NullPointerException if the input is null
     * @throws IOException if an I/O error occurs
     * @since 1.1
     */
    public static char[] toCharArray(final Reader input) throws IOException {
        final CharArrayWriter sw = new CharArrayWriter();
        copy(input, sw);
        return sw.toCharArray();
    }

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      return buffer.toString();
   }


   public String showActiveClientsAsHTML() throws Exception
   {
      CharArrayWriter charArray = new CharArrayWriter();
      PrintWriter out = new PrintWriter(charArray);


      List endpoints = connectionManager.getActiveConnections();


      out.println("<table><tr><td>ID</td><td>Host</td><td>User</td><td>#Sessions</td></tr>");
      for (Iterator iter = endpoints.iterator(); iter.hasNext();)
      {
         ServerConnectionEndpoint endpoint = (ServerConnectionEndpoint) iter.next();


         out.println("<tr>");
         out.println("<td>" + endpoint.toString() + "</td>");
         out.println("<td>" + endpoint.getCallbackHandler().getCallbackClient().getInvoker().getLocator().getHost() + "</td>");
         out.println("<td>" + endpoint.getUsername() + "</td>");
         out.println("<td>" + endpoint.getSessions().size() + "</td>");
         out.println("</tr>");
      }


      out.println("</table>");




      return charArray.toString();
   }

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        } else if (value instanceof Reader) {
            reader = (Reader)value;
        } else {
            throw new RuntimeException();
        }
        CharArrayWriter writer = new CharArrayWriter();
        try {
            for (int c; (c = reader.read()) != -1;) {
                writer.write(c);
            }
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
        return writer.toString();
    }

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        } else if (value instanceof Reader) {
            reader = (Reader)value;
        } else {
            throw new RuntimeException();
        }
        CharArrayWriter writer = new CharArrayWriter();
        try {
            for (int c; (c = reader.read()) != -1;) {
                writer.write(c);
            }
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
        return writer.toString();
    }

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  // public String toString() { return toStr(this); }  // oops, inf loop
  @Override
  public String toString() { return super.toString(); }


  public static String toStr(Throwable e) {
    CharArrayWriter cw = new CharArrayWriter();
    PrintWriter pw = new PrintWriter(cw);
    e.printStackTrace(pw);
    pw.flush();
    return cw.toString();


/** This doesn't work for some reason!!!!!
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    e.printStackTrace(pw);

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  public void write(Writer writer, SolrQueryRequest request, SolrQueryResponse response) throws IOException {
    final Transformer t = getTransformer(request);
    
    // capture the output of the XMLWriter
    final CharArrayWriter w = new CharArrayWriter();
    XMLWriter.writeResponse(w,request,response);
    
    // and write transformed result to our writer
    final Reader r = new BufferedReader(new CharArrayReader(w.toCharArray()));
    final StreamSource source = new StreamSource(r);
    final StreamResult result = new StreamResult(writer);
    try {
      t.transform(source, result);
    } catch(TransformerException te) {

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