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1 package de.mpiwg.monographs.servlet;
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2
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3 import java.io.IOException;
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4 import java.util.List;
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5 import java.util.logging.Level;
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6 import java.util.logging.Logger;
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7
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8 import javax.faces.application.FacesMessage;
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9 import javax.faces.context.FacesContext;
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10 import javax.inject.Inject;
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11 import javax.naming.Context;
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12 import javax.naming.InitialContext;
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13 import javax.naming.NamingException;
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14 import javax.servlet.ServletException;
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15 import javax.servlet.http.HttpServlet;
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16 import javax.servlet.http.HttpServletRequest;
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17 import javax.servlet.http.HttpServletResponse;
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18
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19 import org.codehaus.jettison.json.JSONException;
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20 import org.codehaus.jettison.json.JSONObject;
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21 import org.swordapp.server.AuthCredentials;
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22 import org.swordapp.server.SwordServerException;
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23
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24 import edu.harvard.iq.dvn.api.datadeposit.SwordAuth;
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25 import edu.harvard.iq.dvn.core.admin.VDCUser;
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26 import edu.harvard.iq.dvn.core.study.EditStudyFilesService;
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27 import edu.harvard.iq.dvn.core.study.EditStudyService;
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28 import edu.harvard.iq.dvn.core.study.Study;
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29 import edu.harvard.iq.dvn.core.study.StudyFileEditBean;
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30
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31 public class RemoveFileMetadata extends AbstractMonographServlet {
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32
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33 private static final Logger logger = Logger.getLogger("monographs.RemoveFileMetadata");
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34
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35 private EditStudyFilesService editStudyFilesService;
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36 private Context ctx = null;
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37
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38 @Inject
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39 private SwordAuth swordAuth;
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40
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41 public void init() throws ServletException {}
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42
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43 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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44
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45 JSONObject jsonResponse = new JSONObject();
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46
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47 String studyGlobalId = request.getParameter("studyId");
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48 String user = request.getParameter("user");
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49 String password = request.getParameter("password");
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50 Long fileMetadataId = null;
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51
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52 try{
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53 fileMetadataId = Long.parseLong(request.getParameter("fileMetadataId"));
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54 }catch(Exception e){
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55 e.printStackTrace();
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56 }
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57
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58 try {
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59
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60 editStudyFilesService = (EditStudyFilesService) getCtx().lookup("java:comp/env/editStudyFiles");
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61
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62 } catch (NamingException e) {
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63 e.printStackTrace();
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64 FacesContext context = FacesContext.getCurrentInstance();
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65 FacesMessage errMessage = new FacesMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), null);
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66 context.addMessage(null, errMessage);
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67 }
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68
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69 Study study = null;
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70 try {
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71 study = getStudy(studyGlobalId);
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72 editStudyFilesService.setStudyVersion(study.getId());//ok
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73 } catch (Exception e) {
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74 logger.log(Level.WARNING, "Study no found. " + studyGlobalId);
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75 error(jsonResponse, e);
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76 }
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77
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78 try {
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79
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80 for(Object obj : editStudyFilesService.getCurrentFiles()){
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81 StudyFileEditBean file = (StudyFileEditBean)obj;
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82
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83 if(file.getFileMetadata().getId().equals(fileMetadataId)){
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84 file.setDeleteFlag(true);
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85 }
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86 }
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87
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88 AuthCredentials authCredentials = new AuthCredentials(user, password, null);
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89 VDCUser vdcUser = swordAuth.auth(authCredentials);
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90
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91 editStudyFilesService.save(vdcUser.getId(), vdcUser.getId());
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92
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93 jsonResponse.put("status", "ok");
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94
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95
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96 } catch (Exception e) {
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97 logger.log(Level.SEVERE, e.getMessage());
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98 error(jsonResponse, e);
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99 }
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100
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101 java.io.PrintWriter out = response.getWriter();
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102 out.print(jsonResponse);
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103 out.flush();
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104 }
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105 }
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