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1 package de.mpiwg.monographs.servlet;
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2
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3 import java.util.logging.Level;
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4 import java.util.logging.Logger;
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5
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6 import javax.naming.Context;
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7 import javax.naming.InitialContext;
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8 import javax.naming.NamingException;
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9 import javax.servlet.http.HttpServlet;
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10
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11 import org.codehaus.jettison.json.JSONArray;
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12 import org.codehaus.jettison.json.JSONException;
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13 import org.codehaus.jettison.json.JSONObject;
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14 import org.swordapp.server.SwordServerException;
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15
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16 import edu.harvard.iq.dvn.core.study.EditStudyService;
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17 import edu.harvard.iq.dvn.core.study.FileMetadata;
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18 import edu.harvard.iq.dvn.core.study.Study;
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19 import edu.harvard.iq.dvn.core.study.StudyVersion;
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20
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21 public class AbstractMonographServlet extends HttpServlet {
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22
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23 private static final Logger logger = Logger.getLogger("monographs.AbstractMonographServlet");
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24
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25 private Context ctx = null;
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26
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27 protected JSONObject jsonStudyVersion(String studyGlobalId) throws SwordServerException{
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28
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29 Study study0 = getStudy(studyGlobalId);
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30 StudyVersion study = study0.getLatestVersion();
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31
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32 return MonographUtils.jsonStudyVersion(study);
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33 }
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34
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35 protected Study getStudy(String studyGlobalId) throws SwordServerException{
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36
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37 EditStudyService editStudyService;
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38
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39 try {
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40 editStudyService = (EditStudyService) getCtx().lookup("java:comp/env/editStudy");
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41 } catch (NamingException ex) {
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42 logger.info("problem looking up editStudyService");
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43 throw new SwordServerException("problem looking up editStudyService");
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44 }
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45
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46 Study study = editStudyService.getStudyByGlobalId(studyGlobalId);
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47 return study;
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48 }
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49
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50 protected Context getCtx() throws NamingException{
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51 if(ctx == null)
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52 ctx = new InitialContext();
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53 return ctx;
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54 }
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55
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56 protected void error(JSONObject jsonResponse, Exception e){
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57 logger.log(Level.SEVERE, e.getMessage());
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58 try {
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59 jsonResponse.put("status", "error");
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60 jsonResponse.put("error", e.getMessage());
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61 } catch (JSONException e1) {
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62 e1.printStackTrace();
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63 }
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64 }
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65
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66 }
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