/** GET /xxxCommand?xxx=yyyyy HTTP/1.1 */
protected static CommandRequest parse(String url) throws Exception {
CommandRequest request = new CommandRequest();
if (StringUtils.isEmpty(url)) {
return request;
}
int start = url.indexOf('/');
int ask = url.indexOf('?') == -1 ? url.lastIndexOf(' ') : url.indexOf('?');
int space = url.lastIndexOf(' ');
String target = url.substring(start != -1 ? start + 1 : 0, ask != -1 ? ask : url.length());
request.setCommand(target);
if (ask == -1 || ask == space) {
return request;
}
String paramStr = url.substring(ask + 1, space != -1 ? space : url.length());
for (String param : paramStr.split("&")) {
if (StringUtils.isEmpty(param)) {
continue;
}
String[] kvPair = param.split("=");
if (kvPair.length != 2) {
continue;
}
String key = StringUtils.trim(kvPair[0]);
String value = StringUtils.trim(kvPair[1]);
value = URLDecoder.decode(value, "UTF-8");
request.addParam(key, value);
}
return request;
}
public void registerCommand(String command, CommandProcessor processor) {
if (StringUtils.isEmpty(command)) {
return;
}
processorMap.put(command, processor);
}
@Override
public void run() {
BufferedReader in = null;
PrintWriter out = null;
try {
in = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"));
OutputStream outputStream = socket.getOutputStream();
out = new PrintWriter(outputStream);
String line = in.readLine();
CommandRequest request = CommandRequest.parse(line);
out.print("HTTP/1.1 200 OK\r\n\r\n");
out.flush();
if (StringUtils.isEmpty(request.getCommand())) {
out.println("Command is blank");
out.flush();
return;
}
CommandProcessor commandProcessor = getCommandProcessor(request.getCommand());
if (commandProcessor != null) {
commandProcessor.execute(outputStream, request);
} else {
out.println("Can not find the command:[" + request.getCommand() + "]");
}
out.flush();
} catch (Throwable t) {
LOGGER.error("EventRunnable error", t);
try {
if (out != null) {
out.println("CommandCenter error, message is " + t.getMessage());
out.flush();
}
} catch (Exception e) {
LOGGER.error("EventRunnable error", t);
}
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
socket.close();
} catch (Exception e) {
LOGGER.error("EventRunnable close resource error", e);
}
}
}
public String getParam(String key, String defaultValue) {
if (params != null) {
String value = params.get(key);
if (StringUtils.isEmpty(value)) {
return defaultValue;
}
return value;
}
return null;
}
public static <T> T parseObject(String json, Type type) {
Object object = null;
if (StringUtils.isEmpty(json)) {
throw new JSONException("illegal json: json is empty");
}
json = json.trim();
if (json.startsWith("{")) {
object = new JSONObject(json);
} else if (json.startsWith("[")) {
object = new JSONArray(json);
} else {
throw new JSONException("illegal json:" + json);
}
return JSONParser.parse(object, type);
}