Mercurial > hg > AnnotationManagerN4J

comparison src/main/java/de/mpiwg/itgroup/annotations/restlet/annotations_ui/AnnotationResource.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
children c0dd5314bada
comparison
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49:f30f42080711 50:64aa756c60cc
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.Annotation;
20 import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore;
21 import de.mpiwg.itgroup.annotations.restlet.BaseRestlet;
22
23 /**
24 * Resource class for a single annotation.
25 *
26 * @author casties
27 *
28 */
29 public class AnnotationResource extends ServerResource {
30
31 public static Logger logger = Logger.getLogger(AnnotationResource.class);
32
33 protected AnnotationStore store;
34
35 protected String requestId;
36
37 protected Annotation annotation;
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("annoation-id=" + requestId);
45 // get store instance
46 if (store == null) {
47 store = ((BaseRestlet) getApplication()).getAnnotationStore();
48 }
49 // get annotation from store
50 if (requestId != null) {
51 // the ID in the path is encoded
52 String id = Annotation.decodeId(requestId);
53 annotation = store.getAnnotationById(id);
54 }
55 }
56
57 /**
58 * GET with HTML content type. Shows the person.
59 *
60 * @param entity
61 * @return
62 */
63 @Get("html")
64 public Representation doGetHTML(Representation entity) {
65 if (annotation == null) {
66 // invalid id
67 setStatus(Status.CLIENT_ERROR_NOT_FOUND);
68 return null;
69 }
70 String result = null;
71 // get form parameter
72 Form f = this.getQuery();
73 String form = f.getFirstValue("form");
74 if (form != null && form.equals("edit")) {
75 /*
76 // output edit form
77 result = "<html><body>\n";
78 result += String.format("<h1>Edit person %s</h1>\n", annotation.getId());
79 result += String.format("<p><a href=\"%s\">All persons</a></p>", this.getReference().getParentRef());
80 // tunnel PUT method through POST
81 result += String.format("<form method=\"post\" action=\"%s?method=PUT\">\n", this.getReference().getHierarchicalPart());
82 result += "<table>";
83 result += String.format("<tr><td><b>name</b></td><td><input type=\"text\" name=\"name\" value=\"%s\"/></td></tr>\n",
84 annotation.getName());
85 result += String.format("<tr><td><b>uri</b></td><td><input type=\"text\" name=\"uri\" value=\"%s\"/></td></tr>\n",
86 annotation.getUriString());
87 result += "</table>\n";
88 result += "<p><input type=\"submit\"/></p>";
89 result += "</table>\n</form>\n</body>\n</html>";
90 */
91 } else {
92 // output person content
93 result = "<html><body>\n<h1>Annotation</h1>\n";
94 result += String.format("<p><a href=\"%s\">All annotations</a></p>", this.getReference().getParentRef());
95 result += "<table>";
96 result += String.format("<tr><td><b>uri</b></td><td>%s</td></tr>\n", annotation.getUri());
97 result += String.format("<tr><td><b>text</b></td><td>%s</td></tr>\n", annotation.getBodyText());
98 result += String.format("<tr><td><b>target</b></td><td>%s</td></tr>\n", annotation.getTargetBaseUri());
99 result += String.format("<tr><td><b>fragment</b></td><td>%s</td></tr>\n", annotation.getTargetFragment());
100 result += String.format("<tr><td><b>creator</b></td><td>%s</td></tr>\n", annotation.getCreatorName());
101 result += "</table>\n";
102 //result += "<p><a href=\"?form=edit\">Edit annotation</a></p>\n";
103 // tunnel POST as DELETE
104 result += String.format(
105 "<form method=\"post\" action=\"%s?method=DELETE\"><input type=\"submit\" value=\"Delete annotation\"/></form>\n",
106 this.getReference().getHierarchicalPart());
107 result += "</body>\n</html>";
108 }
109 return new StringRepresentation(result, MediaType.TEXT_HTML);
110 }
111
112 /**
113 * PUT updates the annotation.
114 *
115 * @param entity
116 * @return
117 */
118 @Put
119 public Representation doPut(Representation entity) {
120 logger.debug("AnnotationResource.doPut!");
121 if (annotation == null) {
122 // invalid id
123 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
124 return null;
125 }
126 // NOT YET
127 return null;
128 /*
129 // TODO: do authentication
130 Form form = new Form(entity);
131 String name = form.getFirstValue("name");
132 String uri = form.getFirstValue("uri");
133 if (name != null && !name.isEmpty()) {
134 annotation.setName(name);
135 }
136 if (uri != null && !uri.isEmpty()) {
137 annotation.setUri(uri);
138 }
139 store.storeActor(annotation);
140 // return 303: see other
141 setStatus(Status.REDIRECTION_SEE_OTHER);
142 // go GET same URL
143 Reference url = this.getReference();
144 this.getResponse().setLocationRef(url);
145 return null;
146 */
147 }
148
149 /**
150 * DELETE deletes the annotation.
151 *
152 * @param entity
153 * @return
154 */
155 @Delete
156 public Representation doDelete(Representation entity) {
157 logger.debug("AnnotationResource.doDelete!");
158 if (annotation == null) {
159 // invalid id
160 setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
161 return null;
162 }
163 // TODO: do authentication
164 store.deleteAnnotationById(annotation.getUri());
165 // return 303: see other
166 setStatus(Status.REDIRECTION_SEE_OTHER);
167 // go GET parent URL
168 Reference url = this.getReference().getParentRef();
169 this.getResponse().setLocationRef(url);
170 return null;
171 }
172 }