Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/org/dive4elements/artifactdatabase/rest/UserResource.java @ 473:d0ac790a6c89 dive4elements-move
Moved directories to org.dive4elements
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 10:57:18 +0200 |
| parents | artifact-database/src/main/java/de/intevation/artifactdatabase/rest/UserResource.java@b77465617071 |
| children | 415df0fc4fa1 |
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| 472:783cc1b6b615 | 473:d0ac790a6c89 |
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| 1 /* | |
| 2 * Copyright (c) 2011 by Intevation GmbH | |
| 3 * | |
| 4 * This program is free software under the LGPL (>=v2.1) | |
| 5 * Read the file LGPL.txt coming with the software for details | |
| 6 * or visit http://www.gnu.org/licenses/ if it does not exist. | |
| 7 */ | |
| 8 package de.intevation.artifactdatabase.rest; | |
| 9 | |
| 10 import de.intevation.artifacts.ArtifactDatabase; | |
| 11 import de.intevation.artifacts.ArtifactDatabaseException; | |
| 12 | |
| 13 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 14 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 15 | |
| 16 import java.io.IOException; | |
| 17 | |
| 18 import org.apache.log4j.Logger; | |
| 19 | |
| 20 import org.restlet.data.MediaType; | |
| 21 import org.restlet.data.Status; | |
| 22 import org.restlet.ext.xml.DomRepresentation; | |
| 23 import org.restlet.representation.EmptyRepresentation; | |
| 24 import org.restlet.representation.Representation; | |
| 25 import org.restlet.Request; | |
| 26 import org.restlet.Response; | |
| 27 | |
| 28 import org.w3c.dom.Document; | |
| 29 | |
| 30 /** | |
| 31 * A resource that handles actions to a specific user. | |
| 32 * | |
| 33 * @author <a href="mailto:ingo.weinzierl@intevation">Ingo Weinzierl</a> | |
| 34 */ | |
| 35 public class UserResource | |
| 36 extends BaseResource | |
| 37 { | |
| 38 /** The logger that is used in this class. */ | |
| 39 private static Logger logger = Logger.getLogger(UserResource.class); | |
| 40 | |
| 41 /** server URL where to reach the resource. */ | |
| 42 public static final String PATH = "/user/{uuid}"; | |
| 43 | |
| 44 /** | |
| 45 * XPath to figure out the type of action (feed, advance) via the | |
| 46 * incoming POST request. | |
| 47 */ | |
| 48 public static final String XPATH_ACTION = "/art:action/art:type/@name"; | |
| 49 | |
| 50 /** Error message if no action was given. */ | |
| 51 public static final String NO_ACTION_MSG = "no action given"; | |
| 52 | |
| 53 /** Error message if a unknown action was given. */ | |
| 54 public static final String NO_SUCH_ACTION_MSG = "no such action"; | |
| 55 | |
| 56 /** Action name for deleting users. */ | |
| 57 public static final String ACTION_DELETE = "delete"; | |
| 58 | |
| 59 | |
| 60 @Override | |
| 61 protected Representation innerPost(Representation requestRepr) { | |
| 62 Document inputDocument = null; | |
| 63 | |
| 64 try { | |
| 65 DomRepresentation input = new DomRepresentation(requestRepr); | |
| 66 input.setNamespaceAware(true); | |
| 67 inputDocument = input.getDocument(); | |
| 68 } | |
| 69 catch (IOException ioe) { | |
| 70 logger.error(ioe.getMessage()); | |
| 71 Response response = getResponse(); | |
| 72 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe); | |
| 73 return new EmptyRepresentation(); | |
| 74 } | |
| 75 | |
| 76 String action = XMLUtils.xpathString( | |
| 77 inputDocument, | |
| 78 XPATH_ACTION, | |
| 79 ArtifactNamespaceContext.INSTANCE); | |
| 80 | |
| 81 if (action == null || action.length() == 0) { | |
| 82 Response response = getResponse(); | |
| 83 response.setStatus( | |
| 84 Status.CLIENT_ERROR_BAD_REQUEST, NO_ACTION_MSG); | |
| 85 return new EmptyRepresentation(); | |
| 86 } | |
| 87 | |
| 88 Request request = getRequest(); | |
| 89 | |
| 90 String identifier = (String)request.getAttributes().get("uuid"); | |
| 91 | |
| 92 ArtifactDatabase db = getArtifactDatabase(); | |
| 93 | |
| 94 return dispatch(identifier, action, inputDocument, db); | |
| 95 } | |
| 96 | |
| 97 /** | |
| 98 * Method to figure out which POST action (feed or advance) was | |
| 99 * triggered and perform this operation on the artifact specified | |
| 100 * by 'identifier' and found in the artifact database 'db' | |
| 101 * @param identifier The identifier of the artifact. | |
| 102 * @param action The action to be performed. | |
| 103 * @param source The input document to further parameterize the | |
| 104 * operation. | |
| 105 * @param db The artifact database where to find the artifact. | |
| 106 * @return The representation produced by the performed action. | |
| 107 */ | |
| 108 protected Representation dispatch( | |
| 109 String identifier, | |
| 110 String action, | |
| 111 Document source, | |
| 112 ArtifactDatabase db) | |
| 113 { | |
| 114 Document out = null; | |
| 115 | |
| 116 logger.info("Action: " + action + " | User: " + identifier); | |
| 117 | |
| 118 try { | |
| 119 if (action.equals(ACTION_DELETE)) { | |
| 120 out = db.deleteUser(identifier, getCallMeta()); | |
| 121 } | |
| 122 else { | |
| 123 throw new ArtifactDatabaseException(NO_SUCH_ACTION_MSG); | |
| 124 } | |
| 125 } | |
| 126 catch (ArtifactDatabaseException adbe) { | |
| 127 logger.warn(adbe.getLocalizedMessage(), adbe); | |
| 128 Response response = getResponse(); | |
| 129 response.setStatus( | |
| 130 Status.CLIENT_ERROR_BAD_REQUEST, adbe.getMessage()); | |
| 131 return new EmptyRepresentation(); | |
| 132 } | |
| 133 | |
| 134 return new DomRepresentation(MediaType.APPLICATION_XML, out); | |
| 135 } | |
| 136 } | |
| 137 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |