Mercurial > hg > AnnotationManagerN4J

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