CmsSessionsView.java

   1 //package org.argeo.eclipse.ui.workbench.osgi;
   2 //public class BundlesView {}
   3
   4 package org.argeo.cms.e4.monitoring;
   5
   6 import java.util.ArrayList;
   7 import java.util.Collection;
   8 import java.util.List;
   9
  10 import javax.annotation.PostConstruct;
  11 import javax.naming.ldap.LdapName;
  12
  13 import org.argeo.api.cms.CmsSession;
  14 import org.argeo.eclipse.ui.ColumnViewerComparator;
  15 import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
  16 import org.argeo.util.LangUtils;
  17 import org.eclipse.e4.ui.di.Focus;
  18 import org.eclipse.jface.viewers.ColumnLabelProvider;
  19 import org.eclipse.jface.viewers.IStructuredContentProvider;
  20 import org.eclipse.jface.viewers.TableViewer;
  21 import org.eclipse.jface.viewers.TableViewerColumn;
  22 import org.eclipse.jface.viewers.Viewer;
  23 import org.eclipse.swt.SWT;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.osgi.framework.BundleContext;
  26 import org.osgi.framework.FrameworkUtil;
  27 import org.osgi.framework.InvalidSyntaxException;
  28 import org.osgi.framework.ServiceReference;
  29
  30 /**
  31  * Overview of the active CMS sessions.
  32  */
  33 public class CmsSessionsView {
  34         private final static BundleContext bc = FrameworkUtil.getBundle(CmsSessionsView.class).getBundleContext();
  35
  36         private TableViewer viewer;
  37
  38         @PostConstruct
  39         public void createPartControl(Composite parent) {
  40                 viewer = new TableViewer(parent);
  41                 viewer.setContentProvider(new CmsSessionContentProvider());
  42                 viewer.getTable().setHeaderVisible(true);
  43
  44                 EclipseUiSpecificUtils.enableToolTipSupport(viewer);
  45
  46                 int longColWidth = 150;
  47                 int smallColWidth = 100;
  48
  49                 // Display name
  50                 TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
  51                 column.getColumn().setWidth(longColWidth);
  52                 column.getColumn().setText("User");
  53                 column.setLabelProvider(new ColumnLabelProvider() {
  54                         private static final long serialVersionUID = -5234573509093747505L;
  55
  56                         public String getText(Object element) {
  57                                 return ((CmsSession) element).getDisplayName();
  58                         }
  59
  60                         public String getToolTipText(Object element) {
  61                                 return ((CmsSession) element).getUserDn().toString();
  62                         }
  63                 });
  64                 new ColumnViewerComparator(column);
  65
  66                 // Creation time
  67                 column = new TableViewerColumn(viewer, SWT.NONE);
  68                 column.getColumn().setWidth(smallColWidth);
  69                 column.getColumn().setText("Since");
  70                 column.setLabelProvider(new ColumnLabelProvider() {
  71                         private static final long serialVersionUID = -5234573509093747505L;
  72
  73                         public String getText(Object element) {
  74                                 return LangUtils.since(((CmsSession) element).getCreationTime());
  75                         }
  76
  77                         public String getToolTipText(Object element) {
  78                                 return ((CmsSession) element).getCreationTime().toString();
  79                         }
  80                 });
  81                 new ColumnViewerComparator(column);
  82
  83                 // Username
  84                 column = new TableViewerColumn(viewer, SWT.NONE);
  85                 column.getColumn().setWidth(smallColWidth);
  86                 column.getColumn().setText("Username");
  87                 column.setLabelProvider(new ColumnLabelProvider() {
  88                         private static final long serialVersionUID = -5234573509093747505L;
  89
  90                         public String getText(Object element) {
  91                                 LdapName userDn = ((CmsSession) element).getUserDn();
  92                                 return userDn.getRdn(userDn.size() - 1).getValue().toString();
  93                         }
  94
  95                         public String getToolTipText(Object element) {
  96                                 return ((CmsSession) element).getUserDn().toString();
  97                         }
  98                 });
  99                 new ColumnViewerComparator(column);
 100
 101                 // UUID
 102                 column = new TableViewerColumn(viewer, SWT.NONE);
 103                 column.getColumn().setWidth(smallColWidth);
 104                 column.getColumn().setText("UUID");
 105                 column.setLabelProvider(new ColumnLabelProvider() {
 106                         private static final long serialVersionUID = -5234573509093747505L;
 107
 108                         public String getText(Object element) {
 109                                 return ((CmsSession) element).getUuid().toString();
 110                         }
 111
 112                         public String getToolTipText(Object element) {
 113                                 return getText(element);
 114                         }
 115                 });
 116                 new ColumnViewerComparator(column);
 117
 118                 // Local ID
 119                 column = new TableViewerColumn(viewer, SWT.NONE);
 120                 column.getColumn().setWidth(smallColWidth);
 121                 column.getColumn().setText("Local ID");
 122                 column.setLabelProvider(new ColumnLabelProvider() {
 123                         private static final long serialVersionUID = -5234573509093747505L;
 124
 125                         public String getText(Object element) {
 126                                 return ((CmsSession) element).getLocalId();
 127                         }
 128
 129                         public String getToolTipText(Object element) {
 130                                 return getText(element);
 131                         }
 132                 });
 133                 new ColumnViewerComparator(column);
 134
 135                 viewer.setInput(bc);
 136
 137         }
 138
 139         @Focus
 140         public void setFocus() {
 141                 if (viewer != null)
 142                         viewer.getControl().setFocus();
 143         }
 144
 145         /** Content provider managing the array of bundles */
 146         private static class CmsSessionContentProvider implements IStructuredContentProvider {
 147                 private static final long serialVersionUID = -8533792785725875977L;
 148
 149                 public Object[] getElements(Object inputElement) {
 150                         if (inputElement instanceof BundleContext) {
 151                                 BundleContext bc = (BundleContext) inputElement;
 152                                 Collection<ServiceReference<CmsSession>> srs;
 153                                 try {
 154                                         srs = bc.getServiceReferences(CmsSession.class, null);
 155                                 } catch (InvalidSyntaxException e) {
 156                                         throw new IllegalArgumentException("Cannot retrieve CMS sessions", e);
 157                                 }
 158                                 List<CmsSession> res = new ArrayList<>();
 159                                 for (ServiceReference<CmsSession> sr : srs) {
 160                                         res.add(bc.getService(sr));
 161                                 }
 162                                 return res.toArray();
 163                         }
 164                         return null;
 165                 }
 166
 167                 public void dispose() {
 168                 }
 169
 170                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 171                 }
 172         }
 173 }