org.argeo.cms.e4/src/org/argeo/cms/e4/monitoring/CmsSessionsView.java

   1 //package org.argeo.eclipse.ui.workbench.osgi;
   2 //public class BundlesView {}
   3
   4 /*
   5  * Copyright (C) 2007-2012 Argeo GmbH
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *         http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19 package org.argeo.cms.e4.monitoring;
  20
  21 import java.util.ArrayList;
  22 import java.util.Collection;
  23 import java.util.List;
  24
  25 import javax.annotation.PostConstruct;
  26 import javax.naming.ldap.LdapName;
  27
  28 import org.argeo.cms.CmsException;
  29 import org.argeo.cms.auth.CmsSession;
  30 import org.argeo.eclipse.ui.ColumnViewerComparator;
  31 import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
  32 import org.argeo.util.LangUtils;
  33 import org.eclipse.e4.ui.di.Focus;
  34 import org.eclipse.jface.viewers.ColumnLabelProvider;
  35 import org.eclipse.jface.viewers.IStructuredContentProvider;
  36 import org.eclipse.jface.viewers.TableViewer;
  37 import org.eclipse.jface.viewers.TableViewerColumn;
  38 import org.eclipse.jface.viewers.Viewer;
  39 import org.eclipse.swt.SWT;
  40 import org.eclipse.swt.widgets.Composite;
  41 import org.osgi.framework.BundleContext;
  42 import org.osgi.framework.FrameworkUtil;
  43 import org.osgi.framework.InvalidSyntaxException;
  44 import org.osgi.framework.ServiceReference;
  45
  46 /**
  47  * Overview of the active CMS sessions.
  48  */
  49 public class CmsSessionsView {
  50         private final static BundleContext bc = FrameworkUtil.getBundle(CmsSessionsView.class).getBundleContext();
  51
  52         private TableViewer viewer;
  53
  54         @PostConstruct
  55         public void createPartControl(Composite parent) {
  56                 viewer = new TableViewer(parent);
  57                 viewer.setContentProvider(new CmsSessionContentProvider());
  58                 viewer.getTable().setHeaderVisible(true);
  59
  60                 EclipseUiSpecificUtils.enableToolTipSupport(viewer);
  61
  62                 int longColWidth = 150;
  63                 int smallColWidth = 100;
  64
  65                 // Display name
  66                 TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
  67                 column.getColumn().setWidth(longColWidth);
  68                 column.getColumn().setText("User");
  69                 column.setLabelProvider(new ColumnLabelProvider() {
  70                         private static final long serialVersionUID = -5234573509093747505L;
  71
  72                         public String getText(Object element) {
  73                                 return ((CmsSession) element).getAuthorization().toString();
  74                         }
  75
  76                         public String getToolTipText(Object element) {
  77                                 return ((CmsSession) element).getUserDn().toString();
  78                         }
  79                 });
  80                 new ColumnViewerComparator(column);
  81
  82                 // Creation time
  83                 column = new TableViewerColumn(viewer, SWT.NONE);
  84                 column.getColumn().setWidth(smallColWidth);
  85                 column.getColumn().setText("Since");
  86                 column.setLabelProvider(new ColumnLabelProvider() {
  87                         private static final long serialVersionUID = -5234573509093747505L;
  88
  89                         public String getText(Object element) {
  90                                 return LangUtils.since(((CmsSession) element).getCreationTime());
  91                         }
  92
  93                         public String getToolTipText(Object element) {
  94                                 return ((CmsSession) element).getCreationTime().toString();
  95                         }
  96                 });
  97                 new ColumnViewerComparator(column);
  98
  99                 // Username
 100                 column = new TableViewerColumn(viewer, SWT.NONE);
 101                 column.getColumn().setWidth(smallColWidth);
 102                 column.getColumn().setText("Username");
 103                 column.setLabelProvider(new ColumnLabelProvider() {
 104                         private static final long serialVersionUID = -5234573509093747505L;
 105
 106                         public String getText(Object element) {
 107                                 LdapName userDn = ((CmsSession) element).getUserDn();
 108                                 return userDn.getRdn(userDn.size() - 1).getValue().toString();
 109                         }
 110
 111                         public String getToolTipText(Object element) {
 112                                 return ((CmsSession) element).getUserDn().toString();
 113                         }
 114                 });
 115                 new ColumnViewerComparator(column);
 116
 117                 // UUID
 118                 column = new TableViewerColumn(viewer, SWT.NONE);
 119                 column.getColumn().setWidth(smallColWidth);
 120                 column.getColumn().setText("UUID");
 121                 column.setLabelProvider(new ColumnLabelProvider() {
 122                         private static final long serialVersionUID = -5234573509093747505L;
 123
 124                         public String getText(Object element) {
 125                                 return ((CmsSession) element).getUuid().toString();
 126                         }
 127
 128                         public String getToolTipText(Object element) {
 129                                 return getText(element);
 130                         }
 131                 });
 132                 new ColumnViewerComparator(column);
 133
 134                 // Local ID
 135                 column = new TableViewerColumn(viewer, SWT.NONE);
 136                 column.getColumn().setWidth(smallColWidth);
 137                 column.getColumn().setText("Local ID");
 138                 column.setLabelProvider(new ColumnLabelProvider() {
 139                         private static final long serialVersionUID = -5234573509093747505L;
 140
 141                         public String getText(Object element) {
 142                                 return ((CmsSession) element).getLocalId();
 143                         }
 144
 145                         public String getToolTipText(Object element) {
 146                                 return getText(element);
 147                         }
 148                 });
 149                 new ColumnViewerComparator(column);
 150
 151                 viewer.setInput(bc);
 152
 153         }
 154
 155         @Focus
 156         public void setFocus() {
 157                 if (viewer != null)
 158                         viewer.getControl().setFocus();
 159         }
 160
 161         /** Content provider managing the array of bundles */
 162         private static class CmsSessionContentProvider implements IStructuredContentProvider {
 163                 private static final long serialVersionUID = -8533792785725875977L;
 164
 165                 public Object[] getElements(Object inputElement) {
 166                         if (inputElement instanceof BundleContext) {
 167                                 BundleContext bc = (BundleContext) inputElement;
 168                                 Collection<ServiceReference<CmsSession>> srs;
 169                                 try {
 170                                         srs = bc.getServiceReferences(CmsSession.class, null);
 171                                 } catch (InvalidSyntaxException e) {
 172                                         throw new CmsException("Cannot retrieve CMS sessions", e);
 173                                 }
 174                                 List<CmsSession> res = new ArrayList<>();
 175                                 for (ServiceReference<CmsSession> sr : srs) {
 176                                         res.add(bc.getService(sr));
 177                                 }
 178                                 return res.toArray();
 179                         }
 180                         return null;
 181                 }
 182
 183                 public void dispose() {
 184                 }
 185
 186                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 187                 }
 188         }
 189 }