public static void writeEncodeLinks(XMLWriter xmlw, String line) {
int linkpos = line.indexOf("://");
if (linkpos == -1) {
xmlw.write(line);
return;
}
int backpos = linkpos - 1;
for (; backpos >= 0; --backpos) {
if (Character.isWhitespace(line.charAt(backpos))) break;
}
++backpos;
if (backpos == linkpos - 1) { // require non-empty protocol
xmlw.write(line);
return;
}
int frontpos = linkpos + 3;
for (; frontpos < line.length(); ++frontpos) {
if (Character.isWhitespace(line.charAt(backpos))) break;
}
String url = line.substring(backpos, frontpos);
xmlw.write(line.substring(0, backpos));
xmlw.writeRaw("<a target=\"_top\" href=\"");
xmlw.write(url);
xmlw.writeRaw("\">");
xmlw.write(url);
xmlw.writeRaw("</a>");
xmlw.write(line.substring(frontpos));
}
/**
* Copies text from input to output, converting newlines into XHTML <br/> elements. The
* supplied streams WILL be closed!
*/
public void copyReader(Reader r, PrintOutputStream pos) {
BufferedReader br = new BufferedReader(r);
XMLWriter xmlw = new XMLWriter(pos);
try {
while (true) {
String line = br.readLine();
if (line == null) break;
xmlw.write(line);
// TODO: make some kind of "XMLFilterWriter" architecture if necessary
// writeEncodeLinks(xmlw, line);
xmlw.writeRaw("<br/>");
}
} catch (Throwable t) {
throw UniversalRuntimeException.accumulate(t, "Error rendering text as HTML");
} finally {
StreamCloseUtil.closeReader(r);
pos.close();
}
}