Mercurial > hg > AnnotationManagerN4J

annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/PersonsResource.java @ 45:707902d468f6

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store reads and sends annotations resources now.
author casties
date Wed, 26 Sep 2012 17:28:31 +0200
parents 0731c4549065
children 64aa756c60cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0731c4549065 UI for editing groups and persons works now. (still no authorisation!)
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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.apache.log4j.Logger;
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9 import org.restlet.data.Form;
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10 import org.restlet.data.MediaType;
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11 import org.restlet.data.Reference;
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12 import org.restlet.data.Status;
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13 import org.restlet.representation.Representation;
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14 import org.restlet.representation.StringRepresentation;
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15 import org.restlet.resource.Get;
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16 import org.restlet.resource.Post;
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17 import org.restlet.resource.ResourceException;
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18 import org.restlet.resource.ServerResource;
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19
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20 import de.mpiwg.itgroup.annotations.Actor;
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21 import de.mpiwg.itgroup.annotations.Person;
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22 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
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23 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore.NodeTypes;
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24 import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
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25
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26 /**
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27 * Resource class for the list of annotation users (Person class).
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28 *
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29 * @author casties
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30 *
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31 */
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32 public class PersonsResource extends ServerResource {
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33
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34 public static Logger logger = Logger.getLogger(PersonsResource.class);
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35
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36 private AnnotationStore store;
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37
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38 @Override
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39 protected void doInit() throws ResourceException {
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40 super.doInit();
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41 // get store instance
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42 if (store == null) {
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43 store = ((BaseRestlet) getApplication()).getAnnotationStore();
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44 }
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45 }
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46
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47 /**
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48 * GET with HTML content type. Lists all persons.
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49 *
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50 * @param entity
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51 * @return
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52 */
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53 @Get("html")
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54 public Representation doGetHTML(Representation entity) {
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55 String result = null;
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56 // get form parameter
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57 Form f = this.getQuery();
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58 String form = f.getFirstValue("form");
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59 if (form != null && form.equals("new_person")) {
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60 // output new group form
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61 result = "<html><body>\n";
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62 result += "<h1>New person</h1>\n";
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63 result += String.format("<p><a href=\"%s\">All persons</a></p>", this.getReference());
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64 result += String.format("<form method=\"post\" action=\"%s\">\n", this.getReference().getHierarchicalPart());
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65 result += "<table>";
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66 result += "<tr><td><b>id</b></td><td><input type=\"text\" name=\"id\"/></td></tr>\n";
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67 result += "<tr><td><b>name</b></td><td><input type=\"text\" name=\"name\"/></td></tr>\n";
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68 result += "</table>\n";
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69 result += "<p><input type=\"submit\"/></p>\n";
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70 result += "</form>\n</body>\n</html>";
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71 } else {
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72 // list all groups
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73 result = "<html><body>\n<h1>Persons</h1>\n<table>";
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74 result += "<tr><th>id</th><th>name</th><th>uri</th></tr>";
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75 List<Person> persons = store.getPersons("uri", "*");
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76 for (Person person : persons) {
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77 Reference url = this.getReference().clone();
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78 url.addSegment(person.getId());
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79 result += String.format("<tr><td><a href=\"%s\">%s</a></td><td>%s</td><td>%s</td></tr>\n", url,
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80 person.getIdString(), person.getName(), person.getUri());
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81 }
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82 result += "</table>\n";
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83 result += "<p><a href=\"?form=new_person\">Add new person</a></p>\n";
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84 result += "</body>\n</html>";
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85 }
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86 return new StringRepresentation(result, MediaType.TEXT_HTML);
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87 }
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88
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89 /**
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90 * POST creates a new Group.
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91 *
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92 * @return
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93 */
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94 @Post
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95 public Representation doPost(Representation entity) {
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96 logger.debug("PersonsResource doPost!");
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97 // TODO: do authentication
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98 Form form = new Form(entity);
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99 String id = form.getFirstValue("id");
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100 if (id == null || id.isEmpty() || id.matches("\\W")) {
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101 // invalid id
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102 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
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103 return null;
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104 }
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105 String name = form.getFirstValue("name");
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106 if (name == null || name.isEmpty()) {
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107 name = ((BaseRestlet) getApplication()).getFullNameFromLdap(id);
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108 }
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109 String uri = form.getFirstValue("uri");
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110 if (uri != null && uri.isEmpty()) uri = null;
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111 Person newPerson = new Person(id, uri, name);
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112 Actor storedPerson = store.storeActor(newPerson);
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113 id = storedPerson.getId();
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114 // return 303: see other
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115 setStatus(Status.REDIRECTION_SEE_OTHER);
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116 // go GET URL for this person
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117 Reference url = this.getReference().clone();
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118 url.addSegment(id);
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119 this.getResponse().setLocationRef(url);
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120 return null;
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121 }
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122
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123 }