Stephane Frenot | 4cdf3c6 | 2006-07-21 11:01:24 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 The Apache Software Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | * |
| 16 | */ |
| 17 | package org.apache.felix.mosgi.console.gui; |
| 18 | |
| 19 | import java.awt.Dimension; |
| 20 | import java.awt.Toolkit; |
| 21 | import java.beans.PropertyChangeEvent; |
| 22 | import java.beans.PropertyChangeListener; |
| 23 | import java.util.ArrayList; |
| 24 | import javax.swing.JFrame; |
| 25 | import javax.swing.JRootPane; |
| 26 | import javax.swing.JSplitPane; |
| 27 | import javax.swing.event.EventListenerList; |
| 28 | |
| 29 | import org.apache.felix.mosgi.console.ifc.Plugin; |
| 30 | import org.apache.felix.mosgi.console.ifc.CommonPlugin; |
| 31 | |
| 32 | import org.osgi.framework.BundleActivator; |
| 33 | import org.osgi.framework.BundleContext; |
| 34 | import org.osgi.framework.ServiceListener; |
| 35 | import org.osgi.framework.ServiceEvent; |
| 36 | import org.osgi.framework.ServiceReference; |
| 37 | import org.osgi.framework.InvalidSyntaxException; |
| 38 | |
| 39 | public class Activator implements BundleActivator { |
| 40 | protected BundleContext m_context = null; |
| 41 | protected ArrayList m_pluginList = null; |
| 42 | protected ArrayList m_commonpluginList = null; //TODO To I need this table ? |
| 43 | private EventListenerList m_listenerList = null; |
| 44 | private JFrame m_frame = null; |
| 45 | private NodesTree nodesTree=null; |
| 46 | |
| 47 | public Activator() { |
| 48 | m_pluginList = new ArrayList(); |
| 49 | m_commonpluginList = new ArrayList(); |
| 50 | m_listenerList = new EventListenerList(); |
| 51 | } |
| 52 | |
| 53 | public void start(BundleContext context) { |
| 54 | m_context = context; |
| 55 | |
| 56 | // Listen for factory service events. |
| 57 | ServiceListener sl = new ServiceListener() { |
| 58 | public void serviceChanged(ServiceEvent event) { |
| 59 | ServiceReference ref = event.getServiceReference(); |
| 60 | Object svcObj = m_context.getService(ref); |
| 61 | if (event.getType() == ServiceEvent.REGISTERED) { |
| 62 | synchronized (Activator.this) { |
| 63 | // !!!!!!!!!! ORDER MATTERS (Inheritance pb) |
| 64 | if (!m_pluginList.contains(svcObj)) { |
| 65 | if(svcObj instanceof CommonPlugin){ |
| 66 | m_commonpluginList.add(svcObj); |
| 67 | firePropertyChangedEvent(CommonPlugin.COMMON_PLUGIN_ADDED, null, svcObj); |
| 68 | }else if (svcObj instanceof Plugin){ |
| 69 | m_pluginList.add(svcObj); |
| 70 | firePropertyChangedEvent(Plugin.PLUGIN_ADDED, null, svcObj); |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | } else if (event.getType() == ServiceEvent.UNREGISTERING) { |
| 75 | synchronized (Activator.this) { |
| 76 | removePropertyChangeListener((PropertyChangeListener)svcObj); |
| 77 | if(svcObj instanceof CommonPlugin){ |
| 78 | m_commonpluginList.remove(svcObj); |
| 79 | firePropertyChangedEvent(CommonPlugin.COMMON_PLUGIN_REMOVED, null, svcObj); |
| 80 | }else if (svcObj instanceof Plugin){ |
| 81 | m_pluginList.remove(svcObj); |
| 82 | firePropertyChangedEvent(Plugin.PLUGIN_REMOVED, null, svcObj); |
| 83 | } |
| 84 | } |
| 85 | } else { |
| 86 | m_context.ungetService(ref); |
| 87 | } |
| 88 | } |
| 89 | }; |
| 90 | try |
| 91 | { |
| 92 | m_context.addServiceListener(sl, |
| 93 | "(|(objectClass=" |
| 94 | + Plugin.class.getName() |
| 95 | + ")(objectClass=" |
| 96 | + CommonPlugin.class.getName()+"))"); |
| 97 | } |
| 98 | catch (InvalidSyntaxException ex) |
| 99 | { |
| 100 | System.err.println("ShellGuiActivator: Cannot add service listener."); |
| 101 | System.err.println("ShellGuiActivator: " + ex); |
| 102 | } |
| 103 | |
| 104 | |
| 105 | // Create and display the frame. |
| 106 | if (m_frame == null) |
| 107 | { |
| 108 | m_frame=new JFrame("OSGi GUI Remote Manager"); |
| 109 | m_frame.setUndecorated(true); |
| 110 | m_frame.getRootPane().setWindowDecorationStyle(JRootPane.FRAME); |
| 111 | Dimension wndSize = m_frame.getToolkit().getScreenSize(); |
| 112 | m_frame.setBounds(wndSize.width / 8, wndSize.height / 8, 1000, 700); |
| 113 | m_frame.setIconImage(Toolkit.getDefaultToolkit().getImage(m_context.getBundle().getResource("images/logo.gif"))); |
| 114 | |
| 115 | //Right panel |
| 116 | JSplitPane rightSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new NodePanel(this, context) , new CommonPanel(this)); |
| 117 | rightSplitPane.setOneTouchExpandable(true); |
| 118 | rightSplitPane.setDividerLocation(500); |
| 119 | |
| 120 | //General Panel |
| 121 | this.nodesTree = new NodesTree(this, context); |
| 122 | JSplitPane gSplitPane=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, this.nodesTree , rightSplitPane); |
| 123 | gSplitPane.setOneTouchExpandable(true); |
| 124 | gSplitPane.setDividerLocation(200); |
| 125 | |
| 126 | |
| 127 | m_frame.getContentPane().add(gSplitPane); |
| 128 | //m_frame.setResizable(false); |
| 129 | m_frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); |
| 130 | } |
| 131 | |
| 132 | // Now try to manually initialize the plugin list |
| 133 | // since some might already be available. |
| 134 | //initializePlugins(); |
| 135 | this.nodesTree.runDiscovery(); |
| 136 | |
| 137 | m_frame.setVisible(true); |
| 138 | } |
| 139 | |
| 140 | private synchronized void initializePlugins() { |
| 141 | try { |
| 142 | // Get all model services. |
| 143 | Object svcObj=null; |
| 144 | ServiceReference refs[] = m_context.getServiceReferences(Plugin.class.getName(), null); |
| 145 | if (refs != null) { |
| 146 | // Add model services to list, ignore duplicates. |
| 147 | for (int i = 0; i < refs.length; i++) { |
| 148 | svcObj = m_context.getService(refs[i]); |
| 149 | if (!m_pluginList.contains(svcObj)) { |
| 150 | m_pluginList.add(svcObj); |
| 151 | firePropertyChangedEvent(Plugin.PLUGIN_ADDED, null, (Plugin)svcObj); |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | // Get all common plugins |
| 156 | refs = m_context.getServiceReferences(CommonPlugin.class.getName(), null); |
| 157 | if (refs != null) { |
| 158 | for (int i = 0; i < refs.length; i++) { |
| 159 | svcObj = m_context.getService(refs[i]); |
| 160 | if (!m_commonpluginList.contains(svcObj)) { |
| 161 | m_commonpluginList.add(svcObj); |
| 162 | firePropertyChangedEvent(CommonPlugin.COMMON_PLUGIN_ADDED, null, (CommonPlugin)svcObj); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | } catch (Exception ex) { |
| 167 | System.err.println("ShellGuiActivator: Error initializing model list."); |
| 168 | System.err.println("ShellGuiActivator: " + ex); |
| 169 | ex.printStackTrace(); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | public void stop(BundleContext context) |
| 174 | { |
| 175 | if (m_frame != null) |
| 176 | { this.nodesTree.stop(); |
| 177 | m_frame.setVisible(false); |
| 178 | m_frame.dispose(); |
| 179 | m_frame = null; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | // |
| 184 | // Event methods. |
| 185 | // |
| 186 | |
| 187 | public void addPropertyChangeListener(PropertyChangeListener l) |
| 188 | { |
| 189 | m_listenerList.add(PropertyChangeListener.class, l); |
| 190 | } |
| 191 | |
| 192 | public void removePropertyChangeListener(PropertyChangeListener l) |
| 193 | { |
| 194 | m_listenerList.remove(PropertyChangeListener.class, l); |
| 195 | } |
| 196 | |
| 197 | public void firePropertyChangedEvent(String name, Object oldValue, Object newValue) |
| 198 | { |
| 199 | PropertyChangeEvent event = null; |
| 200 | |
| 201 | // Guaranteed to return a non-null array |
| 202 | Object[] listeners = m_listenerList.getListenerList(); |
| 203 | |
| 204 | // Process the listeners last to first, notifying |
| 205 | // those that are interested in this event |
| 206 | for (int i = listeners.length - 2; i >= 0; i -= 2) |
| 207 | { |
| 208 | if (listeners[i] == PropertyChangeListener.class) |
| 209 | { |
| 210 | // Lazily create the event: |
| 211 | if (event == null) |
| 212 | { |
| 213 | event = new PropertyChangeEvent(this, name, oldValue, newValue); |
| 214 | } |
| 215 | ((PropertyChangeListener) listeners[i + 1]).propertyChange(event); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | } |