private void outputError(GadgetException excep, String url, HttpServletResponse resp)
throws IOException {
StringBuilder err = new StringBuilder();
err.append(excep.getCode().toString());
err.append(" concat(");
err.append(url);
err.append(") ");
err.append(excep.getMessage());
// Log the errors here for now. We might want different severity levels
// for different error codes.
logger.log(Level.INFO, "Concat proxy request failed", err);
resp.sendError(HttpServletResponse.SC_BAD_REQUEST, err.toString());
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException {
if (request.getHeader("If-Modified-Since") != null) {
response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
if (request.getParameter(ProxyBase.REWRITE_MIME_TYPE_PARAM) != null) {
response.setHeader("Content-Type", request.getParameter(ProxyBase.REWRITE_MIME_TYPE_PARAM));
}
if (request.getParameter(ProxyBase.REFRESH_PARAM) != null) {
HttpUtil.setCachingHeaders(
response, Integer.valueOf(request.getParameter(ProxyBase.REFRESH_PARAM)));
}
response.setHeader("Content-Disposition", "attachment;filename=p.txt");
ResponseWrapper wrapper = new ResponseWrapper(response);
for (int i = 1; i < Integer.MAX_VALUE; i++) {
String url = request.getParameter(Integer.toString(i));
if (url == null) {
break;
}
try {
wrapper.getOutputStream().println("/* ---- Start " + url + " ---- */");
proxyHandler.fetch(new RequestWrapper(request, url), wrapper);
wrapper.getOutputStream().println("/* ---- End " + url + " ---- */");
} catch (GadgetException ge) {
if (ge.getCode() != GadgetException.Code.FAILED_TO_RETRIEVE_CONTENT) {
outputError(ge, url, response);
return;
} else {
wrapper.getOutputStream().println("/* ---- End " + url + " 404 ---- */");
}
}
}
response.setStatus(200);
}
