private void callMethodForMultiPart(HttpServletRequest req, HttpServletResponse resp)
throws Exception {
String pinfo = req.getPathInfo();
int pos = pinfo.indexOf('.');
String cname = pinfo.substring(1, pos).replace('/', '.');
String mname = pinfo.substring(pos + 1);
MultiPartMap map = new MultiPartMap();
FileItemIterator ite = new FileUpload().getItemIterator(req);
while (ite.hasNext()) {
FileItemStream item = ite.next();
if (item.isFormField()) {
map.put(item.getFieldName(), IOUtil.streamToString(item.openStream(), "UTF-8"));
} else {
FileItem val =
new FileItem(
item.getFileName(), item.getContentType(), IOUtil.streamToBytes(item.openStream()));
map.put(item.getFieldName(), val);
}
}
Class clazz = Class.forName(cname);
Class[] types = new Class[] {MultiPartMap.class};
Method method = clazz.getMethod(mname, types);
if (method == null) {
throw new RuntimeException("Not found method " + mname + "(Map)");
}
Object result = method.invoke(null, map);
resp.setContentType(MIME_HTML + ";charset=utf-8");
resp.getWriter().write(result.toString());
}
private void callMethodForParam(HttpServletRequest req, HttpServletResponse resp)
throws Exception {
String pinfo = req.getPathInfo();
int pos = pinfo.indexOf('.');
String cname = pinfo.substring(1, pos).replace('/', '.');
String mname = pinfo.substring(pos + 1);
int argc = 0;
while (req.getParameter("a" + argc) != null) argc++;
Class clazz = Class.forName(cname);
Method method = null;
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
if (methods[i].getParameterTypes().length == argc && mname.equals(methods[i].getName())) {
method = methods[i];
}
}
if (method == null) {
throw new RuntimeException("Not found method " + mname + "(" + argc + "args)");
}
Object[] args = new Object[argc];
Class[] types = method.getParameterTypes();
if (types != null) {
for (int i = 0; i < types.length; i++) {
args[i] = toArg(types[i], req.getParameter("a" + i));
}
}
Object result = method.invoke(null, args);
resp.setContentType(MIME_JSON);
OutputStream out = resp.getOutputStream();
out.write("{\"result\":".getBytes("UTF-8"));
new JSONSerializer().serialize(result, out);
out.write("}".getBytes("UTF-8"));
out.flush();
}
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
httpRequestContext.set(new HttpRequestContext(this, req, resp));
String pinfo = req.getPathInfo();
if (pinfo == null) return;
try {
callMethodForParam(req, resp);
} catch (Exception e) {
e.printStackTrace();
throw new ServletException(e);
}
}
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
httpRequestContext.set(new HttpRequestContext(this, req, resp));
try {
String ctype = req.getContentType();
if (ctype != null) ctype = ctype.toLowerCase();
if (FileUpload.isMultipartContent(req)) {
callMethodForMultiPart(req, resp);
} else if (MIME_JSON.equals(ctype)) {
// TODO: json-rpc
} else {
callMethodForParam(req, resp);
}
} catch (Exception e) {
e.printStackTrace();
throw new ServletException(e);
}
}