Mercurial > hg > LGServer

annotate src/main/java/de/mpiwg/gazetteer/rest/Servlet.java @ 0:7682c04c63a8

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First commit of the source code!
author "jurzua <jurzua@mpiwg-berlin.mpg.de>"
date Tue, 10 Mar 2015 14:50:41 +0100
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1 package de.mpiwg.gazetteer.rest;
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2
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3 import java.io.IOException;
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4 import java.io.PrintWriter;
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5
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6 import javax.servlet.ServletException;
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7 import javax.servlet.annotation.MultipartConfig;
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8 import javax.servlet.annotation.WebServlet;
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9 import javax.servlet.http.HttpServlet;
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10 import javax.servlet.http.HttpServletRequest;
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11 import javax.servlet.http.HttpServletResponse;
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12
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13 import org.apache.commons.lang.StringUtils;
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14 import org.apache.log4j.Logger;
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15 import org.json.JSONObject;
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16
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17 @WebServlet("/rest/text/*")
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18 @MultipartConfig
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19 public class Servlet extends HttpServlet {
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20
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21 private static final long serialVersionUID = -8809504256505388787L;
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22
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23 private final static Logger LOGGER = Logger.getLogger(Servlet.class.getCanonicalName());
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24
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25 @Override
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26 public void init() throws ServletException {
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27
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28 }
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30 public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
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31 try {
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32 processRequest(request, response);
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33 } catch (Exception e) {
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34 e.printStackTrace();
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35 }
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36 }
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37
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38 public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
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39 try {
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40 processRequest(request, response);
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41 } catch (Exception e) {
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42 e.printStackTrace();
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43 }
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44 }
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45
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46 protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
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47
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48 String method = getLastPathComponent(request);
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49 request.setCharacterEncoding("UTF-8");
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50 response.setCharacterEncoding("UTF-8");
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51
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52 if(StringUtils.equals(SaveNewText.name, method)){
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53 SaveNewText.execute(request, response);
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54 }else if(StringUtils.equals(SaveText.name, method)){
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55 SaveText.execute(request, response);
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56 }else if(StringUtils.equals(GetFileText.name, method)){
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57 GetFileText.execute(request, response);
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58 }else if(StringUtils.equals(GetUser.name, method)){
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59 GetUser.execute(request, response);
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60 }else if(StringUtils.equals(GetSectionText.name, method)){
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61 GetSectionText.execute(request, response);
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62 }else if(StringUtils.equals(GetSectionMetadata.name, method)){
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63 GetSectionMetadata.execute(request, response);
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64 }else{
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65 writeError(response, "Content-type wrong. It should be: multipart/form-data");
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66 }
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67 }
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68
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69 private static void writeError(HttpServletResponse response, String message){
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70 try {
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71 JSONObject json = new JSONObject();
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72 json.put("status", "error");
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73 json.put("message", message);
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74
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75 PrintWriter out = response.getWriter();
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76 out.print(json.toString());
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77 out.flush();
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78 } catch (Exception e) {
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79 LOGGER.error(e);
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80 }
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81 }
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82
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83 public String getLastPathComponent(HttpServletRequest request){
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84 String uri = request.getRequestURI();
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85 String[] array = uri.split("/");
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86 return array[array.length-1];
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87 }
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88 }