Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/PersonResource.java @ 32:0731c4549065

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UI for editing groups and persons works now. (still no authorisation!)
author casties
date Tue, 25 Sep 2012 21:59:21 +0200
parents
children c0dd5314bada
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30:05b631a084d0 32:0731c4549065
1 /**
2 *
3 */
4 package de.mpiwg.itgroup.annotations.restlet.annotations_ui;
5
6 import org.apache.log4j.Logger;
7 import org.restlet.data.Form;
8 import org.restlet.data.MediaType;
9 import org.restlet.data.Reference;
10 import org.restlet.data.Status;
11 import org.restlet.representation.Representation;
12 import org.restlet.representation.StringRepresentation;
13 import org.restlet.resource.Delete;
14 import org.restlet.resource.Get;
15 import org.restlet.resource.Put;
16 import org.restlet.resource.ResourceException;
17 import org.restlet.resource.ServerResource;
18
19 import de.mpiwg.itgroup.annotations.Person;
20 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
21 import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
22
23 /**
24 * Resource class for a single person.
25 *
26 * @author casties
27 *
28 */
29 public class PersonResource extends ServerResource {
30
31 public static Logger logger = Logger.getLogger(PersonResource.class);
32
33 protected AnnotationStore store;
34
35 protected String requestId;
36
37 protected Person person;
38
39 @Override
40 protected void doInit() throws ResourceException {
41 super.doInit();
42 // id from URI /annotations/persons/{id}
43 requestId = (String) getRequest().getAttributes().get("id");
44 logger.debug("group-id=" + requestId);
45 // get store instance
46 if (store == null) {
47 store = ((BaseRestlet) getApplication()).getAnnotationStore();
48 }
49 // get group from store
50 if (requestId != null) {
51 person = (Person) store.getActor(new Person(requestId));
52 }
53 }
54
55 /**
56 * GET with HTML content type. Shows the person.
57 *
58 * @param entity
59 * @return
60 */
61 @Get("html")
62 public Representation doGetHTML(Representation entity) {
63 if (person == null) {
64 // invalid id
65 setStatus(Status.CLIENT_ERROR_NOT_FOUND);
66 return null;
67 }
68 String result = null;
69 // get form parameter
70 Form f = this.getQuery();
71 String form = f.getFirstValue("form");
72 if (form != null && form.equals("edit")) {
73 // output edit form
74 result = "<html><body>\n";
75 result += String.format("<h1>Edit person %s</h1>\n", person.getId());
76 result += String.format("<p><a href=\"%s\">All persons</a></p>", this.getReference().getParentRef());
77 // tunnel PUT method through POST
78 result += String.format("<form method=\"post\" action=\"%s?method=PUT\">\n", this.getReference().getHierarchicalPart());
79 result += "<table>";
80 result += String.format("<tr><td><b>name</b></td><td><input type=\"text\" name=\"name\" value=\"%s\"/></td></tr>\n",
81 person.getName());
82 result += String.format("<tr><td><b>uri</b></td><td><input type=\"text\" name=\"uri\" value=\"%s\"/></td></tr>\n",
83 person.getUriString());
84 result += "</table>\n";
85 result += "<p><input type=\"submit\"/></p>";
86 result += "</table>\n</form>\n</body>\n</html>";
87 } else {
88 // output person content
89 result = "<html><body>\n<h1>Person</h1>\n";
90 result += String.format("<p><a href=\"%s\">All persons</a></p>", this.getReference().getParentRef());
91 result += "<table>";
92 result += String.format("<tr><td><b>id</b></td><td>%s</td></tr>\n", person.getId());
93 result += String.format("<tr><td><b>name</b></td><td>%s</td></tr>\n", person.getName());
94 result += String.format("<tr><td><b>uri</b></td><td>%s</td></tr>\n", person.getUri());
95 result += "</table>\n";
96 result += "<p><a href=\"?form=edit\">Edit person</a></p>\n";
97 // tunnel POST as DELETE
98 result += String.format(
99 "<form method=\"post\" action=\"%s?method=DELETE\"><input type=\"submit\" value=\"Delete person\"/></form>\n",
100 this.getReference().getHierarchicalPart());
101 result += "</body>\n</html>";
102 }
103 return new StringRepresentation(result, MediaType.TEXT_HTML);
104 }
105
106 /**
107 * PUT updates the person.
108 *
109 * @param entity
110 * @return
111 */
112 @Put
113 public Representation doPut(Representation entity) {
114 logger.debug("PersonResource.doPut!");
115 if (person == null) {
116 // invalid id
117 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
118 return null;
119 }
120 // TODO: do authentication
121 Form form = new Form(entity);
122 String name = form.getFirstValue("name");
123 String uri = form.getFirstValue("uri");
124 if (name != null && !name.isEmpty()) {
125 person.setName(name);
126 }
127 if (uri != null && !uri.isEmpty()) {
128 person.setUri(uri);
129 }
130 store.storeActor(person);
131 // return 303: see other
132 setStatus(Status.REDIRECTION_SEE_OTHER);
133 // go GET same URL
134 Reference url = this.getReference();
135 this.getResponse().setLocationRef(url);
136 return null;
137 }
138
139 /**
140 * DELETE deletes the person.
141 *
142 * @param entity
143 * @return
144 */
145 @Delete
146 public Representation doDelete(Representation entity) {
147 logger.debug("PersonResource.doDelete!");
148 if (person == null) {
149 // invalid id
150 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
151 return null;
152 }
153 // TODO: do authentication
154 store.deleteActor(person);
155 // return 303: see other
156 setStatus(Status.REDIRECTION_SEE_OTHER);
157 // go GET parent URL
158 Reference url = this.getReference().getParentRef();
159 this.getResponse().setLocationRef(url);
160 return null;
161 }
162 }