Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/rest/LStatusService.java @ 366:567ce7697fc7 0.5

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Code documentation.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 10 Sep 2013 15:55:54 +0200
parents 2098db2e8fbd
children 183f8116d9a6
rev   line source
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1 package de.intevation.lada.rest;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import javax.enterprise.context.RequestScoped;
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7 import javax.inject.Inject;
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8 import javax.inject.Named;
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9 import javax.ws.rs.Consumes;
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10 import javax.ws.rs.DELETE;
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11 import javax.ws.rs.GET;
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12 import javax.ws.rs.POST;
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13 import javax.ws.rs.PUT;
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14 import javax.ws.rs.Path;
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15 import javax.ws.rs.PathParam;
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16 import javax.ws.rs.Produces;
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17 import javax.ws.rs.core.Context;
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18 import javax.ws.rs.core.HttpHeaders;
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19 import javax.ws.rs.core.MultivaluedMap;
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20 import javax.ws.rs.core.UriInfo;
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21
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22 import de.intevation.lada.auth.Authentication;
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23 import de.intevation.lada.auth.AuthenticationException;
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24 import de.intevation.lada.data.QueryBuilder;
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25 import de.intevation.lada.data.Repository;
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26 import de.intevation.lada.model.LMessung;
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27 import de.intevation.lada.model.LProbe;
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28 import de.intevation.lada.model.LStatus;
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29 import de.intevation.lada.model.LStatusId;
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30
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31 /**
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32 * This class produces a RESTful service to read, write and update
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33 * LStatus objects.
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34 *
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35 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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36 */
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37 @Path("/status")
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38 @RequestScoped
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39 public class LStatusService
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40 {
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41 /**
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42 * The Repository for LStatus.
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43 */
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44 @Inject
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45 @Named("lstatusrepository")
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46 private Repository repository;
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47
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48 /**
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49 * The authorization module.
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50 */
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51 @Inject
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52 @Named("ldapauth")
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53 private Authentication authentication;
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54
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55 /**
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56 * Request LStatus via a filter.
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57 *
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58 * Query parameters are used for the filter in form of key-value pairs.
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59 *
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60 * @param info The URL query parameters.
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61 * @param headers The HTTP header containing authorization information.
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62 * @return Response object.
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63 */
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64 @GET
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65 @Produces("text/json")
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66 public Response filter(
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67 @Context UriInfo info,
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68 @Context HttpHeaders headers
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69 ) {
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70 try {
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71 if (!authentication.isAuthorizedUser(headers)) {
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72 return new Response(false, 699, new ArrayList<LStatus>());
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73 }
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74 MultivaluedMap<String, String> params = info.getQueryParameters();
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75 if (params.isEmpty() ||
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76 !params.containsKey("probeId") ||
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77 !params.containsKey("messungsId")) {
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78 return new Response(false, 609, new ArrayList<LStatus>());
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79 }
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80 String probeId = params.getFirst("probeId");
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81 QueryBuilder<LStatus> builder =
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82 new QueryBuilder<LStatus>(
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83 repository.getEntityManager(), LStatus.class);
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84 builder.and("probeId", probeId)
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85 .and("messungsId", params.getFirst("messungsId"));
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86 return repository.filter(builder.getQuery());
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87 }
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88 catch(AuthenticationException ae) {
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89 return new Response(false, 699, new ArrayList<LStatus>());
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90 }
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91 }
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92
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93 /**
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94 * Update a LStatus object.
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95 *
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96 * @param status The LStatus object to update.
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97 * @param headers The HTTP header containing authorization information.
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98 * @return Response object.
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99 */
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100 @PUT
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101 @Produces("text/json")
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102 @Consumes("application/json")
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103 public Response update(
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104 LStatus status,
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105 @Context HttpHeaders headers
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106 ) {
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107 try {
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108 String probeId = status.getProbeId();
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109 if (authentication.hasAccess(headers, probeId)) {
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110 return repository.update(status);
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111 }
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112 return new Response(false, 698, new ArrayList<LStatus>());
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113 }
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114 catch(AuthenticationException ae) {
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115 return new Response(false, 699, new ArrayList<LStatus>());
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116 }
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117 }
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118
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119 /**
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120 * Create a new LStatus object.
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121 *
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122 * @param status The new LStatus object.
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123 * @param headers The HTTP header containing authorization information.
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124 * @return Response object.
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125 */
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126 @POST
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127 @Produces("text/json")
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128 @Consumes("application/json")
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129 public Response create(
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130 LStatus status,
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131 @Context HttpHeaders headers
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132 ) {
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133 try {
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134 String probeId = status.getProbeId();
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135 if (authentication.hasAccess(headers, probeId)) {
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136 LStatusId id = new LStatusId();
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137 id.setMessungsId(status.getMessungsId());
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138 id.setProbeId(probeId);
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139 status.setId(id);
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140 return repository.create(status);
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141 }
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142 return new Response(false, 698, new ArrayList<LStatus>());
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143 }
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144 catch(AuthenticationException ae) {
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145 return new Response(false, 699, new ArrayList<LStatus>());
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146 }
156
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147 }
249
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148
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149 /**
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150 * Delete a LStatus object.
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151 *
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152 * @param statusId The object id.
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153 * @param messungsId The {@link LMessung} id.
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154 * @param probeId The {@link LProbe} id
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155 * @param headers The HTTP header containing authorization information.
249
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156 * @return Response object.
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157 */
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158 @DELETE
258
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159 @Produces("text/json")
249
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160 @Path("/{statusId}/{messungsId}/{probeId}")
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161 public Response delete(
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162 @PathParam("statusId") String statusId,
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163 @PathParam("messungsId") String messungsId,
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164 @PathParam("probeId") String probeId,
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165 @Context HttpHeaders headers
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166 ) {
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167 try {
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168 if (authentication.hasAccess(headers, probeId)) {
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169 QueryBuilder<LStatus> builder =
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170 new QueryBuilder<LStatus>(
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171 repository.getEntityManager(),
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172 LStatus.class);
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173 builder.and("SId", statusId)
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174 .and("messungsId", messungsId)
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175 .and("probeId", probeId);
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176 Response response = repository.filter(builder.getQuery());
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177 List<LStatus> list = (List<LStatus>)response.getData();
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178 if (!list.isEmpty()) {
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179 repository.delete(list.get(0));
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180 return new Response(true, 200, null);
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181 }
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182 return new Response(false, 600, null);
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183 }
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184 return new Response(false, 698, new ArrayList<LStatus>());
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185 }
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186 catch(AuthenticationException ae) {
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187 return new Response(false, 699, new ArrayList<LStatus>());
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188 }
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189 }
156
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190 }
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