BundlesView.java

   1 //package org.argeo.eclipse.ui.workbench.osgi;
   2 //public class BundlesView {}
   3
   4 package org.argeo.cms.e4.monitoring;
   5
   6 import javax.annotation.PostConstruct;
   7
   8 import org.argeo.eclipse.ui.ColumnViewerComparator;
   9 import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
  10 import org.eclipse.e4.ui.di.Focus;
  11 import org.eclipse.jface.viewers.ColumnLabelProvider;
  12 import org.eclipse.jface.viewers.IStructuredContentProvider;
  13 import org.eclipse.jface.viewers.TableViewer;
  14 import org.eclipse.jface.viewers.TableViewerColumn;
  15 import org.eclipse.jface.viewers.Viewer;
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.osgi.framework.Bundle;
  19 import org.osgi.framework.BundleContext;
  20 import org.osgi.framework.FrameworkUtil;
  21
  22 /**
  23  * Overview of the bundles as a table. Equivalent to Equinox 'ss' console
  24  * command.
  25  */
  26 public class BundlesView {
  27         private final static BundleContext bc = FrameworkUtil.getBundle(BundlesView.class).getBundleContext();
  28         private TableViewer viewer;
  29
  30         @PostConstruct
  31         public void createPartControl(Composite parent) {
  32                 viewer = new TableViewer(parent);
  33                 viewer.setContentProvider(new BundleContentProvider());
  34                 viewer.getTable().setHeaderVisible(true);
  35
  36                 EclipseUiSpecificUtils.enableToolTipSupport(viewer);
  37
  38                 // ID
  39                 TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
  40                 column.getColumn().setWidth(30);
  41                 column.getColumn().setText("ID");
  42                 column.getColumn().setAlignment(SWT.RIGHT);
  43                 column.setLabelProvider(new ColumnLabelProvider() {
  44                         private static final long serialVersionUID = -3122136344359358605L;
  45
  46                         public String getText(Object element) {
  47                                 return Long.toString(((Bundle) element).getBundleId());
  48                         }
  49                 });
  50                 new ColumnViewerComparator(column);
  51
  52                 // State
  53                 column = new TableViewerColumn(viewer, SWT.NONE);
  54                 column.getColumn().setWidth(18);
  55                 column.getColumn().setText("State");
  56                 column.setLabelProvider(new StateLabelProvider());
  57                 new ColumnViewerComparator(column);
  58
  59                 // Symbolic name
  60                 column = new TableViewerColumn(viewer, SWT.NONE);
  61                 column.getColumn().setWidth(250);
  62                 column.getColumn().setText("Symbolic Name");
  63                 column.setLabelProvider(new ColumnLabelProvider() {
  64                         private static final long serialVersionUID = -4280840684440451080L;
  65
  66                         public String getText(Object element) {
  67                                 return ((Bundle) element).getSymbolicName();
  68                         }
  69                 });
  70                 new ColumnViewerComparator(column);
  71
  72                 // Version
  73                 column = new TableViewerColumn(viewer, SWT.NONE);
  74                 column.getColumn().setWidth(250);
  75                 column.getColumn().setText("Version");
  76                 column.setLabelProvider(new ColumnLabelProvider() {
  77                         private static final long serialVersionUID = 6871926308708629989L;
  78
  79                         public String getText(Object element) {
  80                                 Bundle bundle = (org.osgi.framework.Bundle) element;
  81                                 return bundle.getVersion().toString();
  82                         }
  83                 });
  84                 new ColumnViewerComparator(column);
  85
  86                 viewer.setInput(bc);
  87
  88         }
  89
  90         @Focus
  91         public void setFocus() {
  92                 if (viewer != null)
  93                         viewer.getControl().setFocus();
  94         }
  95
  96         /** Content provider managing the array of bundles */
  97         private static class BundleContentProvider implements IStructuredContentProvider {
  98                 private static final long serialVersionUID = -8533792785725875977L;
  99
 100                 public Object[] getElements(Object inputElement) {
 101                         if (inputElement instanceof BundleContext) {
 102                                 BundleContext bc = (BundleContext) inputElement;
 103                                 return bc.getBundles();
 104                         }
 105                         return null;
 106                 }
 107
 108                 public void dispose() {
 109                 }
 110
 111                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 112                 }
 113         }
 114 }