Mercurial > hg > AnnotationManagerN4J

annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/GroupMembersResource.java @ 50:64aa756c60cc

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annotations ui can show and delete annotations now.
author casties
date Thu, 27 Sep 2012 17:12:08 +0200
parents 707902d468f6
children 2b1e6df5e21a
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1 /**
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2 *
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3 */
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4 package de.mpiwg.itgroup.annotations.restlet.annotations_ui;
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5
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6 import java.util.List;
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7
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8 import org.restlet.data.Form;
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9 import org.restlet.data.MediaType;
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10 import org.restlet.data.Reference;
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11 import org.restlet.data.Status;
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12 import org.restlet.representation.Representation;
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13 import org.restlet.representation.StringRepresentation;
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14 import org.restlet.resource.Get;
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15 import org.restlet.resource.Post;
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16
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17 import de.mpiwg.itgroup.annotations.Person;
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18
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19 /**
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20 * Resource class for the members of an annotation group.
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21 *
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22 * @author casties
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23 *
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24 */
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25 public class GroupMembersResource extends GroupResource {
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26
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27 /**
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28 * GET with HTML content type. Shows the members of the group.
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29 *
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30 * @param entity
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31 * @return
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32 */
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33 @Get("html")
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34 public Representation doGetHTML(Representation entity) {
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35 // id from URI /annotations/groups/{id}/members
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36 if (requestId == null || requestId.isEmpty()) {
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37 // invalid id
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38 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
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39 return null;
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40 }
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41 String result = null;
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42 Reference thisUrl = this.getReference();
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43 Reference groupsUrl = thisUrl.getParentRef();
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44 result = "<html><body>\n<h1>Group members</h1>\n";
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45 result += String.format("<p>Group: %s <a href=\"%s\">(%s)</a></p>\n", group.getName(), groupsUrl, group.getId());
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46 result += "<p>Members:</p>\n";
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47 result += String.format("<form method=\"post\" action=\"%s\">", thisUrl);
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48 result += "<table>";
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49 List<Person> members = store.getMembersOfGroup(group);
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50 for (Person p : members) {
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51 result += String.format("<tr><td>%s</td><td>(%s)</td>", p.getName(), p.getIdString());
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52 result += String.format("<td><input type=\"submit\" name=\"del_member\" value=\"delete:%s\"></td></tr>\n", p.getIdString());
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53 }
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54 result += "</table>\n";
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55 result += "</form>\n";
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56 result += String.format("<form method=\"post\" action=\"%s\">\n", thisUrl);
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57 result += "<p>Add new member: <select name=\"add_member\">\n";
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58 for (Person p : store.getPersons("uri", "*")) {
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59 result += String.format("<option value=\"%s\">%s</option>\n", p.getIdString(), p.getName());
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60 }
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61 result += "</select>\n";
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62 result += "<input type=\"submit\"/>\n";
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63 result += "</form>\n";
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64 result += "</body>\n</html>";
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65
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66 return new StringRepresentation(result, MediaType.TEXT_HTML);
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67 }
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68
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69 /**
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70 * POST adds or deletes members of the Group.
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71 *
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72 * @return
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73 */
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74 @Post
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75 public Representation doPost(Representation entity) {
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76 logger.debug("GroupMembersResource doPost!");
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77 // TODO: do authentication
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78 Form form = new Form(entity);
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79 String addMemberId = form.getFirstValue("add_member");
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80 String delMemberId = form.getFirstValue("del_member");
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81 if (group == null || ((addMemberId == null || addMemberId.isEmpty())
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82 && (delMemberId == null || delMemberId.isEmpty()))) {
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83 // no id
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84 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
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85 return null;
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86 }
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87 if (addMemberId != null) {
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88 logger.debug("adding member: "+addMemberId);
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89 Person member = new Person(addMemberId);
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90 store.addGroupMember(group, member);
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91 } else if (delMemberId != null) {
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92 if (delMemberId.startsWith("delete:")) {
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93 delMemberId = delMemberId.substring(7);
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94 }
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95 logger.debug("deleting member: "+delMemberId);
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96 Person member = new Person(delMemberId);
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97 store.deleteGroupMember(group, member);
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98 }
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99 // return 303: see other
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100 setStatus(Status.REDIRECTION_SEE_OTHER);
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101 // go get same URL
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102 Reference thisUrl = this.getReference();
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103 this.getResponse().setLocationRef(thisUrl);
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104 return null;
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105 }
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106
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107 }