org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/commands/OpenWorkspaceEditor.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
  23 import org.argeo.jcr.ArgeoNames;
  24 import org.argeo.jcr.JcrUtils;
  25 import org.argeo.slc.SlcException;
  26 import org.argeo.slc.client.ui.dist.DistPlugin;
  27 import org.argeo.slc.client.ui.dist.editors.DistWorkspaceEditor;
  28 import org.argeo.slc.client.ui.dist.editors.DistWkspEditorInput;
  29 import org.eclipse.core.commands.AbstractHandler;
  30 import org.eclipse.core.commands.ExecutionEvent;
  31 import org.eclipse.core.commands.ExecutionException;
  32 import org.eclipse.jface.resource.ImageDescriptor;
  33 import org.eclipse.ui.PartInitException;
  34 import org.eclipse.ui.handlers.HandlerUtil;
  35
  36 /**
  37  * Open a distribution workspace editor for a given workspace in a repository
  38  */
  39 public class OpenWorkspaceEditor extends AbstractHandler {
  40         public final static String ID = DistPlugin.ID + ".openWorkspaceEditor";
  41         public final static String DEFAULT_LABEL = "Open editor";
  42         public final static ImageDescriptor DEFAULT_ICON = DistPlugin
  43                         .getImageDescriptor("icons/distribution_perspective.gif");
  44
  45         // use local node repo and repository factory to retrieve and log to
  46         // relevant repository
  47         public final static String PARAM_REPO_NODE_PATH = "param.repoNodePath";
  48         // use URI and repository factory to retrieve and ANONYMOUSLY log in
  49         // relevant repository
  50         public final static String PARAM_REPO_URI = "param.repoUri";
  51         public final static String PARAM_WORKSPACE_NAME = "param.workspaceName";
  52
  53         /* DEPENDENCY INJECTION */
  54         private Repository localRepository;
  55
  56         public Object execute(ExecutionEvent event) throws ExecutionException {
  57                 String repoNodePath = event.getParameter(PARAM_REPO_NODE_PATH);
  58                 String repoUri = event.getParameter(PARAM_REPO_URI);
  59                 String workspaceName = event.getParameter(PARAM_WORKSPACE_NAME);
  60
  61                 Session defaultSession = null;
  62                 if (repoNodePath != null && repoUri == null) {
  63                         try {
  64                                 defaultSession = localRepository.login();
  65                                 if (defaultSession.nodeExists(repoNodePath)) {
  66                                         Node repoNode = defaultSession.getNode(repoNodePath);
  67                                         repoUri = repoNode.getProperty(ArgeoNames.ARGEO_URI)
  68                                                         .getString();
  69                                 }
  70                         } catch (RepositoryException e) {
  71                                 throw new SlcException("Unexpected error while "
  72                                                 + "getting repoNode at path "
  73                                                 + repoNodePath, e);
  74                         } finally {
  75                                 JcrUtils.logoutQuietly(defaultSession);
  76                         }
  77                 }
  78
  79                 DistWkspEditorInput wei = new DistWkspEditorInput(repoNodePath,
  80                                 repoUri, workspaceName);
  81                 try {
  82                         HandlerUtil.getActiveWorkbenchWindow(event).getActivePage()
  83                                         .openEditor(wei, DistWorkspaceEditor.ID);
  84                 } catch (PartInitException e) {
  85                         throw new SlcException("Unexpected error while "
  86                                         + "opening editor for workspace " + workspaceName
  87                                         + " with URI " + repoUri + " and repoNode at path "
  88                                         + repoNodePath, e);
  89                 }
  90                 return null;
  91         }
  92
  93         /* DEPENDENCY INJECTION */
  94         public void setLocalRepository(Repository localRepository) {
  95                 this.localRepository = localRepository;
  96         }
  97 }