plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/commands/CopyLocalJavaWorkspace.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.Node;
  19 import javax.jcr.Repository;
  20 import javax.jcr.RepositoryException;
  21 import javax.jcr.Session;
  22 import javax.jcr.security.Privilege;
  23
  24 import org.apache.commons.logging.Log;
  25 import org.apache.commons.logging.LogFactory;
  26 import org.argeo.ArgeoException;
  27 import org.argeo.ArgeoMonitor;
  28 import org.argeo.eclipse.ui.EclipseArgeoMonitor;
  29 import org.argeo.jcr.JcrUtils;
  30 import org.argeo.slc.SlcConstants;
  31 import org.argeo.slc.client.ui.dist.DistPlugin;
  32 import org.argeo.slc.client.ui.dist.PrivilegedJob;
  33 import org.argeo.slc.client.ui.dist.utils.CommandHelpers;
  34 import org.argeo.slc.repo.JavaRepoManager;
  35 import org.argeo.slc.repo.RepoUtils;
  36 import org.eclipse.core.commands.AbstractHandler;
  37 import org.eclipse.core.commands.ExecutionEvent;
  38 import org.eclipse.core.commands.ExecutionException;
  39 import org.eclipse.core.runtime.IProgressMonitor;
  40 import org.eclipse.core.runtime.IStatus;
  41 import org.eclipse.core.runtime.Status;
  42 import org.eclipse.core.runtime.jobs.Job;
  43 import org.eclipse.jface.dialogs.ErrorDialog;
  44 import org.eclipse.jface.dialogs.InputDialog;
  45 import org.eclipse.jface.resource.ImageDescriptor;
  46 import org.eclipse.jface.window.Window;
  47 import org.eclipse.swt.widgets.Display;
  48 import org.eclipse.ui.handlers.HandlerUtil;
  49
  50 /**
  51  * Create a copy of the chosen workspace in the local Java repository using a
  52  * JavaRepoManager.
  53  */
  54 public class CopyLocalJavaWorkspace extends AbstractHandler {
  55         private static final Log log = LogFactory
  56                         .getLog(CopyLocalJavaWorkspace.class);
  57
  58         public final static String ID = DistPlugin.ID + ".copyLocalJavaWorkspace";
  59         public final static String DEFAULT_LABEL = "Copy Java Workspace...";
  60         public final static ImageDescriptor DEFAULT_ICON = DistPlugin
  61                         .getImageDescriptor("icons/addItem.gif");
  62
  63         public final static String PARAM_SOURCE_WORKSPACE_NAME = "srcWkspName";
  64
  65         // DEPENDENCY INJECTION
  66         private Repository javaRepository;
  67         private JavaRepoManager javaRepoManager;
  68
  69         public Object execute(ExecutionEvent event) throws ExecutionException {
  70                 String wkspName = event.getParameter(PARAM_SOURCE_WORKSPACE_NAME);
  71
  72                 InputDialog inputDialog = new InputDialog(HandlerUtil
  73                                 .getActiveWorkbenchWindow(event).getShell(),
  74                                 "New copy of workspace " + wkspName,
  75                                 "Choose a name for the workspace to create", "", null);
  76                 int result = inputDialog.open();
  77                 if (result == Window.OK) {
  78                         String newWorkspaceName = inputDialog.getValue();
  79
  80                         if (newWorkspaceName == null || newWorkspaceName.trim().equals("")
  81                                         || newWorkspaceName.trim().equals(wkspName.trim())) {
  82                                 ErrorDialog
  83                                                 .openError(HandlerUtil.getActiveShell(event),
  84                                                                 "Non valid workspace name", newWorkspaceName
  85                                                                                 + " is not a valid workspace name.",
  86                                                                 new Status(IStatus.ERROR, "not valid", 0,
  87                                                                                 "Error", null));
  88                                 return null;
  89                         }
  90                         Job copyWkspJob = new CopyWkspJob(javaRepoManager, javaRepository,
  91                                         wkspName, newWorkspaceName, HandlerUtil
  92                                                         .getActiveWorkbenchWindow(event).getShell()
  93                                                         .getDisplay());
  94                         copyWkspJob.setUser(true);
  95                         copyWkspJob.schedule();
  96                 }
  97                 return null;
  98         }
  99
 100         private static class CopyWkspJob extends PrivilegedJob {
 101
 102                 private JavaRepoManager javaRepoManager;
 103                 private Repository javaRepository;
 104                 private String srcWkspName;
 105                 private String targetWkspName;
 106                 private Display display;
 107
 108                 public CopyWkspJob(JavaRepoManager javaRepoManager,
 109                                 Repository javaRepository, String srcWkspName,
 110                                 String targetWkspName, Display display) {
 111                         super("Duplicate workspace");
 112                         this.javaRepoManager = javaRepoManager;
 113                         this.javaRepository = javaRepository;
 114                         this.srcWkspName = srcWkspName;
 115                         this.targetWkspName = targetWkspName;
 116                         this.display = display;
 117                 }
 118
 119                 @Override
 120                 protected IStatus doRun(IProgressMonitor progressMonitor) {
 121                         long begin = System.currentTimeMillis();
 122
 123                         ArgeoMonitor monitor = new EclipseArgeoMonitor(progressMonitor);
 124                         monitor.beginTask("Copy workspace", -1);
 125                         monitor.subTask("Copying nodes");
 126
 127                         Session srcSession = null;
 128                         Session targetSession = null;
 129                         try {
 130                                 // Initialize source
 131                                 srcSession = javaRepository.login(srcWkspName);
 132                                 Node srcRootNode = srcSession.getRootNode();
 133
 134                                 // Create the workspace -
 135                                 // FIXME will throw an error if workspace already exists
 136                                 javaRepoManager.createWorkspace(targetWkspName);
 137                                 targetSession = javaRepository.login(targetWkspName);
 138                                 Node newRootNode = targetSession.getRootNode();
 139
 140                                 RepoUtils.copy(srcRootNode, newRootNode, monitor);
 141                                 targetSession.save();
 142                                 JcrUtils.addPrivilege(targetSession, "/",
 143                                                 SlcConstants.ROLE_SLC, Privilege.JCR_ALL);
 144                                 monitor.worked(1);
 145
 146                                 display.asyncExec(new Runnable() {
 147                                         public void run() {
 148                                                 CommandHelpers.callCommand(RefreshDistributionsView.ID);
 149                                         }
 150                                 });
 151
 152                         } catch (RepositoryException re) {
 153                                 throw new ArgeoException(
 154                                                 "Unexpected error while creating the new workspace.",
 155                                                 re);
 156                         } finally {
 157                                 JcrUtils.logoutQuietly(srcSession);
 158                                 JcrUtils.logoutQuietly(targetSession);
 159                         }
 160
 161                         monitor.done();
 162                         long duration = (System.currentTimeMillis() - begin) / 1000;// in
 163                                                                                                                                                 // s
 164                         if (log.isDebugEnabled())
 165                                 log.debug("Duplicated local java workspace " + srcWkspName
 166                                                 + " to workspace " + targetWkspName + " in "
 167                                                 + (duration / 60) + "min " + (duration % 60) + "s");
 168                         return Status.OK_STATUS;
 169                 }
 170         }
 171
 172         /* DEPENDENCY INJECTION */
 173         public void setJavaRepository(Repository javaRepository) {
 174                 this.javaRepository = javaRepository;
 175         }
 176
 177         public void setJavaRepoManager(JavaRepoManager javaRepoManager) {
 178                 this.javaRepoManager = javaRepoManager;
 179         }
 180 }