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 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.cms.CmsException;
  14 import org.argeo.cms.auth.CmsSession;
  15 import org.argeo.eclipse.ui.ColumnViewerComparator;
  16 import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
  17 import org.argeo.util.LangUtils;
  18 import org.eclipse.e4.ui.di.Focus;
  19 import org.eclipse.jface.viewers.ColumnLabelProvider;
  20 import org.eclipse.jface.viewers.IStructuredContentProvider;
  21 import org.eclipse.jface.viewers.TableViewer;
  22 import org.eclipse.jface.viewers.TableViewerColumn;
  23 import org.eclipse.jface.viewers.Viewer;
  24 import org.eclipse.swt.SWT;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.osgi.framework.BundleContext;
  27 import org.osgi.framework.FrameworkUtil;
  28 import org.osgi.framework.InvalidSyntaxException;
  29 import org.osgi.framework.ServiceReference;
  30
  31 /**
  32  * Overview of the active CMS sessions.
  33  */
  34 public class CmsSessionsView {
  35         private final static BundleContext bc = FrameworkUtil.getBundle(CmsSessionsView.class).getBundleContext();
  36
  37         private TableViewer viewer;
  38
  39         @PostConstruct
  40         public void createPartControl(Composite parent) {
  41                 viewer = new TableViewer(parent);
  42                 viewer.setContentProvider(new CmsSessionContentProvider());
  43                 viewer.getTable().setHeaderVisible(true);
  44
  45                 EclipseUiSpecificUtils.enableToolTipSupport(viewer);
  46
  47                 int longColWidth = 150;
  48                 int smallColWidth = 100;
  49
  50                 // Display name
  51                 TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
  52                 column.getColumn().setWidth(longColWidth);
  53                 column.getColumn().setText("User");
  54                 column.setLabelProvider(new ColumnLabelProvider() {
  55                         private static final long serialVersionUID = -5234573509093747505L;
  56
  57                         public String getText(Object element) {
  58                                 return ((CmsSession) element).getAuthorization().toString();
  59                         }
  60
  61                         public String getToolTipText(Object element) {
  62                                 return ((CmsSession) element).getUserDn().toString();
  63                         }
  64                 });
  65                 new ColumnViewerComparator(column);
  66
  67                 // Creation time
  68                 column = new TableViewerColumn(viewer, SWT.NONE);
  69                 column.getColumn().setWidth(smallColWidth);
  70                 column.getColumn().setText("Since");
  71                 column.setLabelProvider(new ColumnLabelProvider() {
  72                         private static final long serialVersionUID = -5234573509093747505L;
  73
  74                         public String getText(Object element) {
  75                                 return LangUtils.since(((CmsSession) element).getCreationTime());
  76                         }
  77
  78                         public String getToolTipText(Object element) {
  79                                 return ((CmsSession) element).getCreationTime().toString();
  80                         }
  81                 });
  82                 new ColumnViewerComparator(column);
  83
  84                 // Username
  85                 column = new TableViewerColumn(viewer, SWT.NONE);
  86                 column.getColumn().setWidth(smallColWidth);
  87                 column.getColumn().setText("Username");
  88                 column.setLabelProvider(new ColumnLabelProvider() {
  89                         private static final long serialVersionUID = -5234573509093747505L;
  90
  91                         public String getText(Object element) {
  92                                 LdapName userDn = ((CmsSession) element).getUserDn();
  93                                 return userDn.getRdn(userDn.size() - 1).getValue().toString();
  94                         }
  95
  96                         public String getToolTipText(Object element) {
  97                                 return ((CmsSession) element).getUserDn().toString();
  98                         }
  99                 });
 100                 new ColumnViewerComparator(column);
 101
 102                 // UUID
 103                 column = new TableViewerColumn(viewer, SWT.NONE);
 104                 column.getColumn().setWidth(smallColWidth);
 105                 column.getColumn().setText("UUID");
 106                 column.setLabelProvider(new ColumnLabelProvider() {
 107                         private static final long serialVersionUID = -5234573509093747505L;
 108
 109                         public String getText(Object element) {
 110                                 return ((CmsSession) element).getUuid().toString();
 111                         }
 112
 113                         public String getToolTipText(Object element) {
 114                                 return getText(element);
 115                         }
 116                 });
 117                 new ColumnViewerComparator(column);
 118
 119                 // Local ID
 120                 column = new TableViewerColumn(viewer, SWT.NONE);
 121                 column.getColumn().setWidth(smallColWidth);
 122                 column.getColumn().setText("Local ID");
 123                 column.setLabelProvider(new ColumnLabelProvider() {
 124                         private static final long serialVersionUID = -5234573509093747505L;
 125
 126                         public String getText(Object element) {
 127                                 return ((CmsSession) element).getLocalId();
 128                         }
 129
 130                         public String getToolTipText(Object element) {
 131                                 return getText(element);
 132                         }
 133                 });
 134                 new ColumnViewerComparator(column);
 135
 136                 viewer.setInput(bc);
 137
 138         }
 139
 140         @Focus
 141         public void setFocus() {
 142                 if (viewer != null)
 143                         viewer.getControl().setFocus();
 144         }
 145
 146         /** Content provider managing the array of bundles */
 147         private static class CmsSessionContentProvider implements IStructuredContentProvider {
 148                 private static final long serialVersionUID = -8533792785725875977L;
 149
 150                 public Object[] getElements(Object inputElement) {
 151                         if (inputElement instanceof BundleContext) {
 152                                 BundleContext bc = (BundleContext) inputElement;
 153                                 Collection<ServiceReference<CmsSession>> srs;
 154                                 try {
 155                                         srs = bc.getServiceReferences(CmsSession.class, null);
 156                                 } catch (InvalidSyntaxException e) {
 157                                         throw new CmsException("Cannot retrieve CMS sessions", e);
 158                                 }
 159                                 List<CmsSession> res = new ArrayList<>();
 160                                 for (ServiceReference<CmsSession> sr : srs) {
 161                                         res.add(bc.getService(sr));
 162                                 }
 163                                 return res.toArray();
 164                         }
 165                         return null;
 166                 }
 167
 168                 public void dispose() {
 169                 }
 170
 171                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 172                 }
 173         }
 174 }