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comparison src/main/java/de/mpiwg/monographs/servlet/AbstractMonographServlet.java @ 0:fcb8807fbd84

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Fist commit!
author "jurzua <jurzua@mpiwg-berlin.mpg.de>"
date Tue, 10 Mar 2015 15:15:30 +0100
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1 package de.mpiwg.monographs.servlet;
2
3 import java.util.logging.Level;
4 import java.util.logging.Logger;
5
6 import javax.naming.Context;
7 import javax.naming.InitialContext;
8 import javax.naming.NamingException;
9 import javax.servlet.http.HttpServlet;
10
11 import org.codehaus.jettison.json.JSONArray;
12 import org.codehaus.jettison.json.JSONException;
13 import org.codehaus.jettison.json.JSONObject;
14 import org.swordapp.server.SwordServerException;
15
16 import edu.harvard.iq.dvn.core.study.EditStudyService;
17 import edu.harvard.iq.dvn.core.study.FileMetadata;
18 import edu.harvard.iq.dvn.core.study.Study;
19 import edu.harvard.iq.dvn.core.study.StudyVersion;
20
21 public class AbstractMonographServlet extends HttpServlet {
22
23 private static final Logger logger = Logger.getLogger("monographs.AbstractMonographServlet");
24
25 private Context ctx = null;
26
27 protected JSONObject jsonStudyVersion(String studyGlobalId) throws SwordServerException{
28
29 Study study0 = getStudy(studyGlobalId);
30 StudyVersion study = study0.getLatestVersion();
31
32 return MonographUtils.jsonStudyVersion(study);
33 }
34
35 protected Study getStudy(String studyGlobalId) throws SwordServerException{
36
37 EditStudyService editStudyService;
38
39 try {
40 editStudyService = (EditStudyService) getCtx().lookup("java:comp/env/editStudy");
41 } catch (NamingException ex) {
42 logger.info("problem looking up editStudyService");
43 throw new SwordServerException("problem looking up editStudyService");
44 }
45
46 Study study = editStudyService.getStudyByGlobalId(studyGlobalId);
47 return study;
48 }
49
50 protected Context getCtx() throws NamingException{
51 if(ctx == null)
52 ctx = new InitialContext();
53 return ctx;
54 }
55
56 protected void error(JSONObject jsonResponse, Exception e){
57 logger.log(Level.SEVERE, e.getMessage());
58 try {
59 jsonResponse.put("status", "error");
60 jsonResponse.put("error", e.getMessage());
61 } catch (JSONException e1) {
62 e1.printStackTrace();
63 }
64 }
65
66 }