Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/org/dive4elements/artifactdatabase/rest/CollectionResource.java @ 570:584591f8203c 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Mon, 28 Feb 2022 17:41:14 +0100
parents 415df0fc4fa1
children
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1 /*
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2 * Copyright (c) 2011 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8 package org.dive4elements.artifactdatabase.rest;
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9
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10 import org.dive4elements.artifacts.ArtifactDatabase;
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11 import org.dive4elements.artifacts.ArtifactDatabaseException;
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12 import org.dive4elements.artifacts.CallMeta;
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13
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14 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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15 import org.dive4elements.artifacts.common.utils.XMLUtils;
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16
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17 import org.dive4elements.artifactdatabase.ArtifactDatabaseImpl;
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18
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19 import java.io.IOException;
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20
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21 import javax.xml.xpath.XPathConstants;
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22
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23 import org.apache.logging.log4j.Logger;
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24 import org.apache.logging.log4j.LogManager;
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25
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26 import org.restlet.data.MediaType;
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27 import org.restlet.data.Status;
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28 import org.restlet.ext.xml.DomRepresentation;
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29 import org.restlet.representation.EmptyRepresentation;
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30 import org.restlet.representation.Representation;
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31 import org.restlet.Request;
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32 import org.restlet.Response;
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33
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34 import org.w3c.dom.Document;
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35 import org.w3c.dom.Node;
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36
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37
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38 /**
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39 * @author <a href="mailto:ingo.weinzierl@intevation">Ingo Weinzierl</a>
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40 */
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41 public class CollectionResource
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42 extends BaseResource
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43 {
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44 /** The logger that is used in this class.*/
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45 private static Logger logger = LogManager.getLogger(CollectionResource.class);
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46
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47 /** server URL where to reach the resource.*/
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48 public static final String PATH = "/collection/{uuid}";
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49
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50 /**
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51 * XPath to figure out the type of action (feed, advance) via the
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52 * incoming POST request.
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53 */
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54 public static final String XPATH_ACTION = "/art:action/art:type/@name";
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55
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56 /**
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57 * XPath to figure out the identifier of the artifact described in the
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58 * action.
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59 */
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60 public static final String XPATH_ARTIFACT =
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61 "/art:action/art:type/art:artifact/@uuid";
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62
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63 /** Error message if no action was given.*/
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64 public static final String NO_ACTION_MSG = "no action given";
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65
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66 /** Error message if a unknown action was given.*/
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67 public static final String NO_SUCH_ACTION_MSG = "no such action";
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68
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69 /** Action name for deleting a collection.*/
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70 public static final String ACTION_DELETE = "delete";
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71
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72 /** Action name for describing the collection.*/
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73 public static final String ACTION_DESCRIBE = "describe";
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75 /** Action name for retrieving the attribute of a collection.*/
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76 public static final String ACTION_GET_ATTRIBUTE = "getattribute";
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78 /** Action name for retrieving the attributes of an artifact stored in the
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79 * collection.*/
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80 public static final String ACTION_GET_ITEM_ATTRIBUTE = "getitemattribute";
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81
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82 /** Action name for setting the attribute of a collection.*/
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83 public static final String ACTION_SET_ATTRIBUTE = "setattribute";
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84
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85 /** Action name for setting the attribute for an artifact stored in the
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86 * collection.*/
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87 public static final String ACTION_SET_ITEM_ATTRIBUTE = "setitemattribute";
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88
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89 /** Action name for adding a new artifact to the collection.*/
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90 public static final String ACTION_ADD_ARTIFACT = "addartifact";
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91
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92 /** Action name for removing an artifact from the collection.*/
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93 public static final String ACTION_REMOVE_ARTIFACT = "removeartifact";
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94
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95 /** Action name for listing the artifacts of the collection.*/
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96 public static final String ACTION_LIST_ARTIFACTS = "listartifacts";
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97
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98 /** Action name for setting the ttl of a collection.*/
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99 public static final String ACTION_SET_TTL = "settimetolive";
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101 /** Action name for setting the name of a collection.*/
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102 public static final String ACTION_SET_NAME = "setname";
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105 /**
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106 * Method to figure out which POST action was triggered and perform this
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107 * operation on the collection specified by 'identifier' and found in the
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108 * artifact database 'db'.
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109 *
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110 * @param identifier The identifier of the collection.
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111 * @param action The action to be performed.
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112 * @param source The input document to further parameterize the operation.
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113 * @param db The artifact database where to find the collection.
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114 *
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115 * @return The representation produced by the performed action.
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116 */
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117 protected Representation dispatch(
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118 String identifier,
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119 String action,
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120 Document source,
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121 ArtifactDatabase db
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122 ) {
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123 Document out = null;
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124
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125 try {
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126 CallMeta meta = getCallMeta();
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127
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128 if (action.equals(ACTION_DELETE)) {
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129 logger.info("Delete collection '" + identifier + "'");
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130 out = db.deleteCollection(identifier, getCallMeta());
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131 }
196
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132 else if (action.equals(ACTION_DESCRIBE)) {
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133 logger.info("Describe collection '" + identifier + "'");
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134
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135 out = db.describeCollection(identifier, meta);
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136 }
142
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137 else if (action.equals(ACTION_ADD_ARTIFACT)) {
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138 String art = getArtifactIdentifier(source);
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139
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140 logger.info("Add artifact '" + art + "' to collection.");
189
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141 out = db.addCollectionArtifact(identifier, art, source, meta);
142
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142 }
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143 else if (action.equals(ACTION_REMOVE_ARTIFACT)) {
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144 String art = getArtifactIdentifier(source);
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145
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146 logger.info("Remove artifact '" + art + "' from collection.");
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147 out = db.removeCollectionArtifact(identifier, art, meta);
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148 }
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149 else if (action.equals(ACTION_LIST_ARTIFACTS)) {
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150 logger.info("List artifacts of collection '" + identifier +"'");
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151 out = db.listCollectionArtifacts(identifier, meta);
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152 }
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153 else if (action.equals(ACTION_SET_ATTRIBUTE)) {
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154 String art = getArtifactIdentifier(source);
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155
253
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156 logger.info("Set attribute for collection '" + identifier + "'");
268
4edaf3073109 Repaired the setting of a new attribute for a Collection.
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157
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158 Document attr = getCollectionAttribute(source);
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159
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160 out = db.setCollectionAttribute(identifier, meta, attr);
253
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161 }
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162 else if (action.equals(ACTION_SET_ITEM_ATTRIBUTE)) {
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163 String art = getArtifactIdentifier(source);
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164
142
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165 logger.info("Set attribute for artifact '" + art + "'");
252
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166 out = db.setCollectionItemAttribute(identifier, art, source, meta);
142
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167 }
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168 else if (action.equals(ACTION_GET_ATTRIBUTE)) {
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169 String art = getArtifactIdentifier(source);
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170
253
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171 logger.info("Retrieve attribute of collection '" + identifier + "'");
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172 out = db.getCollectionAttribute(identifier, meta);
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173 }
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174 else if (action.equals(ACTION_GET_ITEM_ATTRIBUTE)) {
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175 String art = getArtifactIdentifier(source);
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176
142
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177 logger.info("Retrieve attribute of artifact '" + art + "'");
252
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178 out = db.getCollectionItemAttribute(identifier, art, meta);
142
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179 }
273
22a90706d32d Enables the artifact server to set the TTL of a specific collection via REST call.
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180 else if (action.equals(ACTION_SET_TTL)) {
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181 out = db.setCollectionTTL(identifier, source, meta);
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182 }
275
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183 else if (action.equals(ACTION_SET_NAME)) {
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184 out = db.setCollectionName(identifier, source, meta);
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185 }
142
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186 else {
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187 throw new ArtifactDatabaseException(NO_SUCH_ACTION_MSG);
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188 }
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189 }
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190 catch (ArtifactDatabaseException adbe) {
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191 logger.warn(adbe.getLocalizedMessage(), adbe);
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192
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193 Response response = getResponse();
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194 response.setStatus(
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195 Status.CLIENT_ERROR_BAD_REQUEST, adbe.getMessage());
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196 return new EmptyRepresentation();
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197 }
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198
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199 return new DomRepresentation(MediaType.APPLICATION_XML, out);
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200 }
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201
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202
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203 @Override
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204 protected Representation innerPost(Representation requestRepr) {
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205 Document input = null;
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206 try {
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207 DomRepresentation in = new DomRepresentation(requestRepr);
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208 in.setNamespaceAware(true);
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209 input = in.getDocument();
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210 }
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211 catch (IOException ioe) {
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212 logger.error(ioe.getLocalizedMessage(), ioe);
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213
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214 Response response = getResponse();
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215 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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216 return new EmptyRepresentation();
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217 }
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218
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219 String action = XMLUtils.xpathString(
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220 input, XPATH_ACTION, ArtifactNamespaceContext.INSTANCE);
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221
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222 if (action == null || action.length() == 0) {
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223 Response response = getResponse();
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224 response.setStatus(
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225 Status.CLIENT_ERROR_BAD_REQUEST, NO_ACTION_MSG);
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226 return new EmptyRepresentation();
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227 }
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228
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229 Request request = getRequest();
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230
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231 String identifier = (String) request.getAttributes().get("uuid");
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232
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233 ArtifactDatabase db = getArtifactDatabase();
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234
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235 return dispatch(identifier, action, input, db);
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236 }
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237
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238
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239 /**
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240 * Retrieves the identifier of the artifact used in the action.
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241 *
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242 * @param source The incoming document that describes the operation.
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243 *
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244 * @return the uuid of the artifact described in the document.
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245 */
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246 protected String getArtifactIdentifier(Document source) {
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247 return XMLUtils.xpathString(
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248 source, XPATH_ARTIFACT, ArtifactNamespaceContext.INSTANCE);
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249 }
268
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250
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251
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252 /**
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253 * Returns the attribute for a collection of the incoming request document.
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254 *
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255 * @param request The request document.
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256 *
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257 * @return the contained attribute as document.
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258 */
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259 protected Document getCollectionAttribute(Document request) {
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260 Node attr = (Node) XMLUtils.xpath(
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261 request,
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262 ArtifactDatabaseImpl.XPATH_COLLECTION_ATTRIBUTE,
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263 XPathConstants.NODE,
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264 ArtifactNamespaceContext.INSTANCE);
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265
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266 Document newAttr = XMLUtils.newDocument();
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267
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268 if (attr == null) {
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269 logger.error("Collection attribute document not found!");
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270 return newAttr;
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271 }
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272
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273 newAttr.appendChild(newAttr.importNode(attr, true));
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274
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275 return newAttr;
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276 }
142
e986e32bc7d4 Added a Rest resource that handles operations specific to a collection.
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277 }
http://dive4elements.wald.intevation.org