org.argeo.server.jcr/newsrc/org/argeo/jcr/UserJcrUtils.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.jcr;
  17
  18 import javax.jcr.Node;
  19 import javax.jcr.RepositoryException;
  20 import javax.jcr.Session;
  21 import javax.jcr.query.Query;
  22 import javax.jcr.query.qom.Constraint;
  23 import javax.jcr.query.qom.DynamicOperand;
  24 import javax.jcr.query.qom.QueryObjectModelFactory;
  25 import javax.jcr.query.qom.Selector;
  26 import javax.jcr.query.qom.StaticOperand;
  27
  28 import org.argeo.ArgeoException;
  29
  30 /** Utilities related to the user home and properties based on Argeo JCR model. */
  31 public class UserJcrUtils {
  32         /** The home base path. Not yet configurable */
  33         public final static String DEFAULT_HOME_BASE_PATH = "/home";
  34
  35         /**
  36          * Returns the home node of the user or null if none was found.
  37          *
  38          * @param session
  39          *            the session to use in order to perform the search, this can be
  40          *            a session with a different user ID than the one searched,
  41          *            typically when a system or admin session is used.
  42          * @param username
  43          *            the username of the user
  44          */
  45         public static Node getUserHome(Session session, String username) {
  46                 try {
  47                         // String homePath = UserJcrUtils.getUserHomePath(username);
  48                         // return session.itemExists(homePath) ? session.getNode(homePath)
  49                         // : null;
  50                         // kept for example of QOM queries
  51                         QueryObjectModelFactory qomf = session.getWorkspace()
  52                                         .getQueryManager().getQOMFactory();
  53                         Selector userHomeSel = qomf.selector(ArgeoTypes.ARGEO_USER_HOME,
  54                                         "userHome");
  55                         DynamicOperand userIdDop = qomf.propertyValue(
  56                                         userHomeSel.getSelectorName(), ArgeoNames.ARGEO_USER_ID);
  57                         StaticOperand userIdSop = qomf.literal(session.getValueFactory()
  58                                         .createValue(username));
  59                         Constraint constraint = qomf.comparison(userIdDop,
  60                                         QueryObjectModelFactory.JCR_OPERATOR_EQUAL_TO, userIdSop);
  61                         Query query = qomf.createQuery(userHomeSel, constraint, null, null);
  62                         return JcrUtils.querySingleNode(query);
  63                 } catch (RepositoryException e) {
  64                         throw new ArgeoException("Cannot find home for user " + username, e);
  65                 }
  66         }
  67
  68         public static Node getUserProfile(Session session, String username) {
  69                 try {
  70                         QueryObjectModelFactory qomf = session.getWorkspace()
  71                                         .getQueryManager().getQOMFactory();
  72                         Selector userHomeSel = qomf.selector(ArgeoTypes.ARGEO_USER_PROFILE,
  73                                         "userProfile");
  74                         DynamicOperand userIdDop = qomf.propertyValue(
  75                                         userHomeSel.getSelectorName(), ArgeoNames.ARGEO_USER_ID);
  76                         StaticOperand userIdSop = qomf.literal(session.getValueFactory()
  77                                         .createValue(username));
  78                         Constraint constraint = qomf.comparison(userIdDop,
  79                                         QueryObjectModelFactory.JCR_OPERATOR_EQUAL_TO, userIdSop);
  80                         Query query = qomf.createQuery(userHomeSel, constraint, null, null);
  81                         return JcrUtils.querySingleNode(query);
  82                 } catch (RepositoryException e) {
  83                         throw new ArgeoException(
  84                                         "Cannot find profile for user " + username, e);
  85                 }
  86         }
  87
  88         /** Returns the home node of the session user or null if none was found. */
  89         public static Node getUserHome(Session session) {
  90                 String userID = session.getUserID();
  91                 return getUserHome(session, userID);
  92         }
  93
  94         private UserJcrUtils() {
  95         }
  96 }