org.argeo.cms.e4/src/org/argeo/cms/e4/monitoring/BundlesView.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 javax.annotation.PostConstruct;
  22
  23 import org.argeo.eclipse.ui.ColumnViewerComparator;
  24 import org.argeo.eclipse.ui.specific.EclipseUiSpecificUtils;
  25 import org.eclipse.e4.ui.di.Focus;
  26 import org.eclipse.jface.viewers.ColumnLabelProvider;
  27 import org.eclipse.jface.viewers.IStructuredContentProvider;
  28 import org.eclipse.jface.viewers.TableViewer;
  29 import org.eclipse.jface.viewers.TableViewerColumn;
  30 import org.eclipse.jface.viewers.Viewer;
  31 import org.eclipse.swt.SWT;
  32 import org.eclipse.swt.widgets.Composite;
  33 import org.osgi.framework.Bundle;
  34 import org.osgi.framework.BundleContext;
  35 import org.osgi.framework.FrameworkUtil;
  36
  37 /**
  38  * Overview of the bundles as a table. Equivalent to Equinox 'ss' console
  39  * command.
  40  */
  41 public class BundlesView {
  42         private final static BundleContext bc = FrameworkUtil.getBundle(BundlesView.class).getBundleContext();
  43         private TableViewer viewer;
  44
  45         @PostConstruct
  46         public void createPartControl(Composite parent) {
  47                 viewer = new TableViewer(parent);
  48                 viewer.setContentProvider(new BundleContentProvider());
  49                 viewer.getTable().setHeaderVisible(true);
  50
  51                 EclipseUiSpecificUtils.enableToolTipSupport(viewer);
  52
  53                 // ID
  54                 TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
  55                 column.getColumn().setWidth(30);
  56                 column.getColumn().setText("ID");
  57                 column.getColumn().setAlignment(SWT.RIGHT);
  58                 column.setLabelProvider(new ColumnLabelProvider() {
  59                         private static final long serialVersionUID = -3122136344359358605L;
  60
  61                         public String getText(Object element) {
  62                                 return Long.toString(((Bundle) element).getBundleId());
  63                         }
  64                 });
  65                 new ColumnViewerComparator(column);
  66
  67                 // State
  68                 column = new TableViewerColumn(viewer, SWT.NONE);
  69                 column.getColumn().setWidth(18);
  70                 column.getColumn().setText("State");
  71                 column.setLabelProvider(new StateLabelProvider());
  72                 new ColumnViewerComparator(column);
  73
  74                 // Symbolic name
  75                 column = new TableViewerColumn(viewer, SWT.NONE);
  76                 column.getColumn().setWidth(250);
  77                 column.getColumn().setText("Symbolic Name");
  78                 column.setLabelProvider(new ColumnLabelProvider() {
  79                         private static final long serialVersionUID = -4280840684440451080L;
  80
  81                         public String getText(Object element) {
  82                                 return ((Bundle) element).getSymbolicName();
  83                         }
  84                 });
  85                 new ColumnViewerComparator(column);
  86
  87                 // Version
  88                 column = new TableViewerColumn(viewer, SWT.NONE);
  89                 column.getColumn().setWidth(250);
  90                 column.getColumn().setText("Version");
  91                 column.setLabelProvider(new ColumnLabelProvider() {
  92                         private static final long serialVersionUID = 6871926308708629989L;
  93
  94                         public String getText(Object element) {
  95                                 Bundle bundle = (org.osgi.framework.Bundle) element;
  96                                 return bundle.getVersion().toString();
  97                         }
  98                 });
  99                 new ColumnViewerComparator(column);
 100
 101                 viewer.setInput(bc);
 102
 103         }
 104
 105         @Focus
 106         public void setFocus() {
 107                 if (viewer != null)
 108                         viewer.getControl().setFocus();
 109         }
 110
 111         /** Content provider managing the array of bundles */
 112         private static class BundleContentProvider implements IStructuredContentProvider {
 113                 private static final long serialVersionUID = -8533792785725875977L;
 114
 115                 public Object[] getElements(Object inputElement) {
 116                         if (inputElement instanceof BundleContext) {
 117                                 BundleContext bc = (BundleContext) inputElement;
 118                                 return bc.getBundles();
 119                         }
 120                         return null;
 121                 }
 122
 123                 public void dispose() {
 124                 }
 125
 126                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 127                 }
 128         }
 129 }