1 | package eu.clarin.cmdi.virtualcollectionregistry.rest; |
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2 | |
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3 | import com.sun.jersey.api.core.InjectParam; |
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4 | import eu.clarin.cmdi.virtualcollectionregistry.VirtualCollectionRegistry; |
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5 | import eu.clarin.cmdi.virtualcollectionregistry.VirtualCollectionRegistryException; |
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6 | import eu.clarin.cmdi.virtualcollectionregistry.VirtualCollectionRegistryUsageException; |
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7 | import eu.clarin.cmdi.virtualcollectionregistry.model.GeneratedBy; |
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8 | import eu.clarin.cmdi.virtualcollectionregistry.model.GeneratedByQuery; |
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9 | import eu.clarin.cmdi.virtualcollectionregistry.model.Resource; |
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10 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection; |
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11 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection.Purpose; |
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12 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection.Reproducibility; |
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13 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection.Type; |
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14 | import java.net.URI; |
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15 | import java.security.Principal; |
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16 | import java.util.Date; |
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17 | import java.util.List; |
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18 | import javax.ws.rs.Consumes; |
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19 | import javax.ws.rs.DefaultValue; |
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20 | import javax.ws.rs.FormParam; |
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21 | import javax.ws.rs.POST; |
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22 | import javax.ws.rs.Path; |
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23 | import javax.ws.rs.Produces; |
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24 | import javax.ws.rs.core.Context; |
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25 | import javax.ws.rs.core.MediaType; |
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26 | import javax.ws.rs.core.Response; |
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27 | import javax.ws.rs.core.SecurityContext; |
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28 | import javax.ws.rs.core.UriInfo; |
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29 | |
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30 | /** |
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31 | * |
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32 | * @author twagoo |
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33 | */ |
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34 | @Path("/submit") |
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35 | public class VirtualCollectionFormSubmissionResource { |
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36 | |
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37 | @InjectParam |
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38 | private VirtualCollectionRegistry registry; |
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39 | @Context |
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40 | private SecurityContext security; |
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41 | @Context |
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42 | private UriInfo uriInfo; |
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43 | |
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44 | @POST |
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45 | @Consumes({MediaType.APPLICATION_FORM_URLENCODED}) |
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46 | @Produces({MediaType.TEXT_HTML}) |
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47 | public Response submitNewVc( |
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48 | @FormParam("type") @DefaultValue("EXTENSIONAL") Type type, |
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49 | @FormParam("name") String name, |
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50 | @FormParam("metadataUri") List<String> metadataUris, |
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51 | @FormParam("resourceUri") List<String> resourceUris, |
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52 | @FormParam("description") String description, |
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53 | //optional params |
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54 | @FormParam("keyword") List<String> keyword, |
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55 | @FormParam("purpose") Purpose purpose, |
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56 | @FormParam("reproducibility") Reproducibility reproducibility, |
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57 | @FormParam("reproducibilityNotice") String reproducibilityNotice, |
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58 | @FormParam("creationDate") Date creationDate, |
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59 | @FormParam("queryDescription") String intensionalDescription, |
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60 | @FormParam("queryUri") String intensionalUri, |
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61 | @FormParam("queryProfile") String intensionalQueryProfile, |
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62 | @FormParam("queryValue") String intensionalQueryValue |
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63 | ) { |
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64 | final Principal principal = security.getUserPrincipal(); |
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65 | if (principal == null) { |
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66 | /* |
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67 | * should never happen, because servlet container should supply a |
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68 | * valid principal |
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69 | */ |
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70 | throw new AssertionError("principal == null"); |
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71 | } |
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72 | |
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73 | try { |
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74 | // construct a proto-VC from the form parameters |
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75 | final VirtualCollection vc = constructVirtualCollection(type, name, |
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76 | metadataUris, resourceUris, description, keyword, purpose, |
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77 | reproducibility, reproducibilityNotice, creationDate, |
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78 | intensionalDescription, intensionalUri, intensionalQueryProfile, intensionalQueryValue); |
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79 | |
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80 | // create the VC in the registry (persist) |
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81 | long id = registry.createVirtualCollection(principal, vc); |
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82 | |
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83 | // respond with redirect to editor |
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84 | final URI uri = uriInfo.getBaseUriBuilder() |
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85 | .path("../app/edit/{arg1}") |
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86 | .build(id); |
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87 | return Response.seeOther(uri).build(); |
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88 | } catch (VirtualCollectionRegistryException ex) { |
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89 | //TODO: wrap in friendly HTML page |
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90 | final Response.Status response = Response.Status.BAD_REQUEST; |
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91 | final String error = String.format("<html>\n<body>\n<h1>%d %s</h1>\nCould not create virtual collection. Reason: %s\n</body>\n</html>\n", response.getStatusCode(), response.toString(), ex.getMessage()); |
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92 | return Response.status(response).entity(error).build(); |
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93 | } |
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94 | } |
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95 | |
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96 | private VirtualCollection constructVirtualCollection(Type type, String name, |
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97 | List<String> metadataUris, List<String> resourceUris, String description, |
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98 | List<String> keywords, Purpose purpose, Reproducibility reproducibility, |
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99 | String reproducibilityNotice, Date creationDate, String intensionalDescription, |
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100 | String intensionalUri, String intensionalQueryProfile, String intensionalQueryValue) throws VirtualCollectionRegistryException { |
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101 | final VirtualCollection vc = new VirtualCollection(); |
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102 | |
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103 | if (type == null) { |
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104 | throw new VirtualCollectionRegistryUsageException("No type specified for collection"); |
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105 | } |
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106 | if (name == null) { |
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107 | throw new VirtualCollectionRegistryUsageException("No name specified for collection"); |
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108 | |
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109 | } |
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110 | |
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111 | vc.setType(type); |
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112 | vc.setName(name); |
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113 | |
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114 | // add resources: type metadata |
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115 | for (String uri : metadataUris) { |
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116 | vc.getResources().add(new Resource(Resource.Type.METADATA, uri)); |
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117 | } |
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118 | // add resources: type resource |
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119 | for (String uri : resourceUris) { |
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120 | vc.getResources().add(new Resource(Resource.Type.RESOURCE, uri)); |
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121 | } |
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122 | // set optional values |
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123 | for (String keyword : keywords) { |
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124 | final String trimmed = keyword.trim(); |
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125 | if (!trimmed.isEmpty()) { |
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126 | vc.getKeywords().add(keyword); |
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127 | } |
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128 | } |
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129 | if (description != null) { |
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130 | vc.setDescription(description); |
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131 | } |
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132 | if (purpose != null) { |
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133 | vc.setPurpose(purpose); |
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134 | } |
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135 | if (reproducibility != null) { |
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136 | vc.setReproducibility(reproducibility); |
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137 | } |
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138 | if (reproducibilityNotice != null) { |
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139 | vc.setReproducibilityNotice(reproducibilityNotice); |
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140 | } |
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141 | if (creationDate == null) { |
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142 | vc.setCreationDate(new Date()); |
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143 | } else { |
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144 | vc.setCreationDate(creationDate); |
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145 | } |
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146 | |
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147 | if (intensionalDescription != null || intensionalQueryProfile != null || intensionalQueryValue != null || intensionalUri != null) { |
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148 | final GeneratedBy generatedBy = new GeneratedBy(); |
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149 | generatedBy.setDescription(intensionalDescription); |
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150 | generatedBy.setQuery(new GeneratedByQuery(intensionalQueryProfile, intensionalQueryValue)); |
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151 | generatedBy.setURI(intensionalUri); |
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152 | vc.setGeneratedBy(generatedBy); |
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153 | } |
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154 | return vc; |
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155 | } |
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156 | |
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157 | } |
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