plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/commands/DeleteWorkspace.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.slc.client.ui.dist.commands;
  17
  18 import javax.jcr.Credentials;
  19 import javax.jcr.Node;
  20 import javax.jcr.NodeIterator;
  21 import javax.jcr.Repository;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.RepositoryFactory;
  24 import javax.jcr.Session;
  25 import javax.jcr.nodetype.NodeType;
  26
  27 import org.argeo.jcr.JcrUtils;
  28 import org.argeo.slc.SlcException;
  29 import org.argeo.slc.client.ui.dist.DistPlugin;
  30 import org.argeo.slc.client.ui.dist.utils.CommandHelpers;
  31 import org.argeo.slc.repo.RepoUtils;
  32 import org.argeo.util.security.Keyring;
  33 import org.eclipse.core.commands.AbstractHandler;
  34 import org.eclipse.core.commands.ExecutionEvent;
  35 import org.eclipse.core.commands.ExecutionException;
  36 import org.eclipse.jface.dialogs.MessageDialog;
  37 import org.eclipse.jface.resource.ImageDescriptor;
  38
  39 /**
  40  * Delete chosen workspace in the current repository.
  41  *
  42  * Due to current version of JackRabbit, it only cleans it for the time being,
  43  * removing all nodes of type {@code NodeType.NT_FOLDER} and
  44  * {@code NodeType.NT_UNSTRUCTURED}
  45  */
  46 public class DeleteWorkspace extends AbstractHandler {
  47         // private static final Log log = LogFactory.getLog(DeleteWorkspace.class);
  48
  49         public final static String ID = DistPlugin.ID + ".deleteWorkspace";
  50         public final static String DEFAULT_LABEL = "Clear";
  51         public final static ImageDescriptor DEFAULT_ICON = DistPlugin
  52                         .getImageDescriptor("icons/removeItem.gif");
  53
  54         public final static String PARAM_WORKSPACE_NAME = "workspaceName";
  55         public final static String PARAM_TARGET_REPO_PATH = "targetRepoPath";
  56
  57         // DEPENDENCY INJECTION
  58         private RepositoryFactory repositoryFactory;
  59         private Keyring keyring;
  60         private Repository nodeRepository;
  61
  62         public Object execute(ExecutionEvent event) throws ExecutionException {
  63
  64                 String targetRepoPath = event.getParameter(PARAM_TARGET_REPO_PATH);
  65                 String workspaceName = event.getParameter(PARAM_WORKSPACE_NAME);
  66
  67                 Session nodeSession = null;
  68                 Session session = null;
  69                 try {
  70                         nodeSession = nodeRepository.login();
  71                         Node repoNode = nodeSession.getNode(targetRepoPath);
  72                         Repository repository = RepoUtils.getRepository(repositoryFactory,
  73                                         keyring, repoNode);
  74                         Credentials credentials = RepoUtils.getRepositoryCredentials(
  75                                         keyring, repoNode);
  76
  77                         String msg = "Your are about to completely delete workspace ["
  78                                         + workspaceName + "].\n Do you really want to proceed?";
  79                         boolean result = MessageDialog.openConfirm(DistPlugin.getDefault()
  80                                         .getWorkbench().getDisplay().getActiveShell(),
  81                                         "Confirm workspace deletion", msg);
  82
  83                         if (result) {
  84                                 // msg =
  85                                 // "There is no possible turning back, are your REALLY sure you want to proceed ?";
  86                                 msg = "WARNING: \nCurrent Jackrabbit version used does "
  87                                                 + "not support workspace deletion.\n"
  88                                                 + "Thus, the workspace will only be cleaned so "
  89                                                 + "that you can launch fetch process again.\n\n"
  90                                                 + "Do you still want to proceed?";
  91                                 result = MessageDialog.openConfirm(DistPlugin.getDefault()
  92                                                 .getWorkbench().getDisplay().getActiveShell(),
  93                                                 "Confirm workspace deletion", msg);
  94                         }
  95
  96                         if (result) {
  97                                 session = repository.login(credentials, workspaceName);
  98                                 // TODO use this with a newer version of Jackrabbit
  99                                 // Workspace wsp = session.getWorkspace();
 100                                 // wsp.deleteWorkspace(workspaceName);
 101                                 NodeIterator nit = session.getRootNode().getNodes();
 102                                 while (nit.hasNext()) {
 103                                         Node node = nit.nextNode();
 104                                         if (node.isNodeType(NodeType.NT_FOLDER)
 105                                                         || node.isNodeType(NodeType.NT_UNSTRUCTURED)) {
 106                                                 // String path = node.getPath();
 107                                                 node.remove();
 108                                                 session.save();
 109                                         }
 110                                 }
 111                                 CommandHelpers.callCommand(RefreshDistributionsView.ID);
 112                         }
 113                 } catch (RepositoryException re) {
 114                         throw new SlcException(
 115                                         "Unexpected error while deleting workspace ["
 116                                                         + workspaceName + "].", re);
 117                 } finally {
 118                         JcrUtils.logoutQuietly(session);
 119                         JcrUtils.logoutQuietly(nodeSession);
 120                 }
 121                 return null;
 122         }
 123
 124         /* DEPENDENCY INJECTION */
 125         public void setNodeRepository(Repository nodeRepository) {
 126                 this.nodeRepository = nodeRepository;
 127         }
 128
 129         public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
 130                 this.repositoryFactory = repositoryFactory;
 131         }
 132
 133         public void setKeyring(Keyring keyring) {
 134                 this.keyring = keyring;
 135         }
 136 }