public static void highlightFile(String name, InputStream in, OutputStream out, String encoding)
throws IOException {
Renderer renderer = XhtmlRendererFactory.getRenderer(FileUtils.getExtension(name));
if (renderer == null) {
renderer = XhtmlRendererFactory.getRenderer("java");
}
renderer.highlight(name, in, out, encoding, false);
}
/**
* Highlight stream.
*
* @param name the name
* @param input the input
* @param rendererName the renderer name
* @param encoding the encoding
* @return the string
* @throws IOException Signals that an I/O exception has occurred.
*/
public static String highlightStream(
String name, InputStream input, String rendererName, String encoding) throws IOException {
Renderer jspRenderer = XhtmlRendererFactory.getRenderer(rendererName);
if (jspRenderer != null) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
jspRenderer.highlight(name, input, bos, encoding, true);
ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
Tokenizer tokenizer = new Tokenizer(new InputStreamReader(bis, encoding));
tokenizer.addSymbol(new TokenizerSymbol("EOL", "\n", null, false, false, true, false));
tokenizer.addSymbol(new TokenizerSymbol("EOL", "\r\n", null, false, false, true, false));
//
// JHighlight adds HTML comment as the first line, so if
// we number the lines we could end up with a line number and no line
// to avoid that we just ignore the first line alltogether.
//
StringBuilder buffer = new StringBuilder();
long counter = 0;
while (tokenizer.hasMore()) {
Token tk = tokenizer.nextToken();
if ("EOL".equals(tk.getName())) {
counter++;
buffer.append(tk.getText());
} else if (counter > 0) {
buffer.append("<span class=\"codeline\">");
buffer.append("<span class=\"linenum\">");
buffer.append(leftPad(Long.toString(counter), 6, " "));
buffer.append("</span>");
buffer.append(tk.getText());
buffer.append("</span>");
}
}
return buffer.toString();
}
return null;
}