server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/model/RepositoryNode.java

   1 /*
   2  * Copyright (C) 2007-2012 Mathieu Baudier
   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.ui.explorer.model;
  17
  18 import javax.jcr.Repository;
  19 import javax.jcr.RepositoryException;
  20 import javax.jcr.Session;
  21
  22 import org.argeo.ArgeoException;
  23 import org.argeo.eclipse.ui.TreeParent;
  24
  25 /**
  26  * UI Tree component. Wraps a JCR {@link Repository}. It also keeps a reference
  27  * to its parent Tree Ui component; typically the unique {@link Repositories}
  28  * object of the current view to enable bi-directionnal browsing in the tree.
  29  */
  30
  31 public class RepositoryNode extends TreeParent implements UiNode {
  32         private String alias;
  33         private final Repository repository;
  34         private Session defaultSession = null;
  35
  36         /** Create a new repository with alias = name */
  37         public RepositoryNode(String alias, Repository repository, TreeParent parent) {
  38                 this(alias, alias, repository, parent);
  39         }
  40
  41         /** Create a new repository with distinct name & alias */
  42         public RepositoryNode(String alias, String name, Repository repository,
  43                         TreeParent parent) {
  44                 super(name);
  45                 this.repository = repository;
  46                 setParent(parent);
  47                 this.alias = alias;
  48         }
  49
  50         public void login() {
  51                 try {
  52                         // SimpleCredentials sc = new SimpleCredentials("root",
  53                         // "demo".toCharArray());
  54                         // defaultSession = repository.login(sc);
  55                         defaultSession = repositoryLogin(null);
  56                         String[] wkpNames = defaultSession.getWorkspace()
  57                                         .getAccessibleWorkspaceNames();
  58                         for (String wkpName : wkpNames) {
  59                                 if (wkpName.equals(defaultSession.getWorkspace().getName()))
  60                                         addChild(new WorkspaceNode(this, wkpName, defaultSession));
  61                                 else
  62                                         addChild(new WorkspaceNode(this, wkpName));
  63                         }
  64                 } catch (RepositoryException e) {
  65                         throw new ArgeoException("Cannot connect to repository " + alias, e);
  66                 }
  67         }
  68
  69         /** Actual call to the {@link Repository#login(javax.jcr.Credentials, String)} method. To be overridden.*/
  70         protected Session repositoryLogin(String workspaceName)
  71                         throws RepositoryException {
  72                 return repository.login(workspaceName);
  73         }
  74
  75         public Session getDefaultSession() {
  76                 return defaultSession;
  77         }
  78
  79         /** returns the {@link Repository} referenced by the current UI Node */
  80         public Repository getRepository() {
  81                 return repository;
  82         }
  83
  84         public String getAlias() {
  85                 return alias;
  86         }
  87
  88 }