Mercurial > hg > AnnotationManagerN4J

annotate src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/GroupMembersResource.java @ 70:2b1e6df5e21a

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added lgpl_v3 license information.
author casties
date Thu, 06 Mar 2014 15:09:04 +0100
parents 64aa756c60cc
children 25eb2e1df106
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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
70
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6 /*
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7 * #%L
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8 * AnnotationManager
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9 * %%
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10 * Copyright (C) 2012 - 2014 MPIWG Berlin
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11 * %%
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12 * This program is free software: you can redistribute it and/or modify
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13 * it under the terms of the GNU Lesser General Public License as
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14 * published by the Free Software Foundation, either version 3 of the
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15 * License, or (at your option) any later version.
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16 *
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17 * This program is distributed in the hope that it will be useful,
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18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 * GNU General Lesser Public License for more details.
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21 *
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22 * You should have received a copy of the GNU General Lesser Public
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23 * License along with this program. If not, see
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24 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
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25 * #L%
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26 */
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27
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28 import java.util.List;
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29
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30 import org.restlet.data.Form;
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31 import org.restlet.data.MediaType;
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32 import org.restlet.data.Reference;
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33 import org.restlet.data.Status;
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34 import org.restlet.representation.Representation;
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35 import org.restlet.representation.StringRepresentation;
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36 import org.restlet.resource.Get;
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37 import org.restlet.resource.Post;
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38
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39 import de.mpiwg.itgroup.annotations.Person;
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40
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41 /**
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42 * Resource class for the members of an annotation group.
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43 *
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44 * @author casties
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45 *
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46 */
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47 public class GroupMembersResource extends GroupResource {
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48
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49 /**
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50 * GET with HTML content type. Shows the members of the group.
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51 *
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52 * @param entity
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53 * @return
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54 */
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55 @Get("html")
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56 public Representation doGetHTML(Representation entity) {
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57 // id from URI /annotations/groups/{id}/members
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58 if (requestId == null || requestId.isEmpty()) {
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59 // invalid id
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60 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
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61 return null;
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62 }
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63 String result = null;
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64 Reference thisUrl = this.getReference();
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65 Reference groupsUrl = thisUrl.getParentRef();
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66 result = "<html><body>\n<h1>Group members</h1>\n";
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67 result += String.format("<p>Group: %s <a href=\"%s\">(%s)</a></p>\n", group.getName(), groupsUrl, group.getId());
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68 result += "<p>Members:</p>\n";
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69 result += String.format("<form method=\"post\" action=\"%s\">", thisUrl);
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70 result += "<table>";
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71 List<Person> members = store.getMembersOfGroup(group);
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72 for (Person p : members) {
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73 result += String.format("<tr><td>%s</td><td>(%s)</td>", p.getName(), p.getIdString());
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74 result += String.format("<td><input type=\"submit\" name=\"del_member\" value=\"delete:%s\"></td></tr>\n", p.getIdString());
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75 }
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76 result += "</table>\n";
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77 result += "</form>\n";
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78 result += String.format("<form method=\"post\" action=\"%s\">\n", thisUrl);
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79 result += "<p>Add new member: <select name=\"add_member\">\n";
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80 for (Person p : store.getPersons("uri", "*")) {
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81 result += String.format("<option value=\"%s\">%s</option>\n", p.getIdString(), p.getName());
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82 }
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83 result += "</select>\n";
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84 result += "<input type=\"submit\"/>\n";
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85 result += "</form>\n";
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86 result += "</body>\n</html>";
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87
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88 return new StringRepresentation(result, MediaType.TEXT_HTML);
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89 }
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90
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91 /**
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92 * POST adds or deletes members of the Group.
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93 *
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94 * @return
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95 */
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96 @Post
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97 public Representation doPost(Representation entity) {
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98 logger.debug("GroupMembersResource doPost!");
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99 // TODO: do authentication
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100 Form form = new Form(entity);
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101 String addMemberId = form.getFirstValue("add_member");
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102 String delMemberId = form.getFirstValue("del_member");
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103 if (group == null || ((addMemberId == null || addMemberId.isEmpty())
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104 && (delMemberId == null || delMemberId.isEmpty()))) {
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105 // no id
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106 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
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107 return null;
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108 }
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109 if (addMemberId != null) {
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110 logger.debug("adding member: "+addMemberId);
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111 Person member = new Person(addMemberId);
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112 store.addGroupMember(group, member);
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113 } else if (delMemberId != null) {
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114 if (delMemberId.startsWith("delete:")) {
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115 delMemberId = delMemberId.substring(7);
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116 }
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117 logger.debug("deleting member: "+delMemberId);
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118 Person member = new Person(delMemberId);
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119 store.deleteGroupMember(group, member);
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120 }
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121 // return 303: see other
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122 setStatus(Status.REDIRECTION_SEE_OTHER);
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123 // go get same URL
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124 Reference thisUrl = this.getReference();
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125 this.getResponse().setLocationRef(thisUrl);
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126 return null;
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127 }
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128
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129 }