connectivity/com.nokia.carbide.remoteConnections/src/com/nokia/carbide/remoteconnections/RemoteConnectionsActivator.java
--- a/connectivity/com.nokia.carbide.remoteConnections/src/com/nokia/carbide/remoteconnections/RemoteConnectionsActivator.java Mon Feb 01 12:38:42 2010 -0600
+++ b/connectivity/com.nokia.carbide.remoteConnections/src/com/nokia/carbide/remoteconnections/RemoteConnectionsActivator.java Mon Feb 01 13:27:18 2010 -0600
@@ -16,18 +16,34 @@
*/
package com.nokia.carbide.remoteconnections;
-import com.nokia.carbide.remoteconnections.interfaces.IConnectionTypeProvider;
-import com.nokia.carbide.remoteconnections.interfaces.IConnectionsManager;
-import com.nokia.carbide.remoteconnections.internal.registry.Registry;
-import com.nokia.cpp.internal.api.utils.core.Logging;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
-import org.eclipse.core.net.proxy.IProxyService;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.viewers.IFilter;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
-import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.service.prefs.BackingStoreException;
+
+import com.nokia.carbide.remoteconnections.interfaces.IConnectionTypeProvider;
+import com.nokia.carbide.remoteconnections.interfaces.IConnectionsManager;
+import com.nokia.carbide.remoteconnections.internal.api.IDeviceDiscoveryAgent;
+import com.nokia.carbide.remoteconnections.internal.api.IDeviceDiscoveryAgent.IPrerequisiteStatus;
+import com.nokia.carbide.remoteconnections.internal.registry.Registry;
+import com.nokia.carbide.remoteconnections.internal.ui.DeviceDiscoveryPrequisiteErrorDialog;
+import com.nokia.cpp.internal.api.utils.core.Logging;
+import com.nokia.cpp.internal.api.utils.ui.RunRunnableWhenWorkbenchVisibleJob;
+import com.nokia.cpp.internal.api.utils.ui.WorkbenchUtils;
/**
* The activator class controls the plug-in life cycle
@@ -37,51 +53,84 @@
// The plug-in ID
public static final String PLUGIN_ID = "com.nokia.carbide.remoteConnections"; //$NON-NLS-1$
+ private static final String DISCOVERY_AGENT_EXTENSION = PLUGIN_ID + ".deviceDiscoveryAgent"; //$NON-NLS-1$
+
// The shared instance
private static RemoteConnectionsActivator plugin;
-
- // A service tracker for the proxy service
- private ServiceTracker proxyServiceTracker;
-
+
+ private Collection<IDeviceDiscoveryAgent> discoveryAgents;
+ private static final String IGNORE_AGENT_LOAD_ERRORS_KEY = "ignoreAgentLoadErrors"; //$NON-NLS-1$
+
/**
* The constructor
*/
public RemoteConnectionsActivator() {
}
-
- /**
- * Returns IProxyService.
- * @deprecated
- */
- public IProxyService getProxyService() {
- return (IProxyService) proxyServiceTracker.getService();
- }
-
- /*
- * (non-Javadoc)
- * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
- */
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
Registry instance = Registry.instance();
instance.loadExtensions();
instance.loadConnections();
- this.proxyServiceTracker = new ServiceTracker(context, IProxyService.class.getName(), null);
- this.proxyServiceTracker.open();
+
+ RunRunnableWhenWorkbenchVisibleJob.start(new Runnable() {
+ public void run() {
+ if (!ignoreAgentLoadErrors())
+ checkPrerequisites();
+
+ loadAndStartDeviceDiscoveryAgents();
+ }
+ });
+ }
+
+ private boolean ignoreAgentLoadErrors() {
+ return getPreferenceStore().getBoolean(IGNORE_AGENT_LOAD_ERRORS_KEY);
}
- /*
- * (non-Javadoc)
- * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
- */
+ private void checkPrerequisites() {
+ final Map<IDeviceDiscoveryAgent, IPrerequisiteStatus> agentToStatusMap =
+ new HashMap<IDeviceDiscoveryAgent, IPrerequisiteStatus>();
+
+ // load the extensions just to check statuses
+ Collection<IDeviceDiscoveryAgent> agents = new ArrayList<IDeviceDiscoveryAgent>();
+ loadExtensions(DISCOVERY_AGENT_EXTENSION, null, agents, null);
+
+ for (IDeviceDiscoveryAgent agent : agents) {
+ IPrerequisiteStatus status = agent.getPrerequisiteStatus();
+ if (!status.isOK()) {
+ agentToStatusMap.put(agent, status);
+ }
+ }
+
+ if (!agentToStatusMap.isEmpty()) {
+ DeviceDiscoveryPrequisiteErrorDialog dlg = new DeviceDiscoveryPrequisiteErrorDialog(WorkbenchUtils.getSafeShell());
+ for (Entry<IDeviceDiscoveryAgent, IPrerequisiteStatus> entry : agentToStatusMap.entrySet()) {
+ IDeviceDiscoveryAgent agent = entry.getKey();
+ IPrerequisiteStatus status = entry.getValue();
+ dlg.addAgentData(agent.getDisplayName(), status.getErrorText(), status.getURL());
+ }
+ dlg.open();
+ if (dlg.isDontAskAgainChecked())
+ storeIgnoreAgentLoadErrorsFlag();
+ }
+ }
+
public void stop(BundleContext context) throws Exception {
+ stopDeviceDiscoveryAgents();
Registry.instance().storeConnections();
Registry.instance().disposeConnections();
plugin = null;
super.stop(context);
- this.proxyServiceTracker.close();
+ }
+
+ private void storeIgnoreAgentLoadErrorsFlag() {
+ getPreferenceStore().setValue(IGNORE_AGENT_LOAD_ERRORS_KEY, true);
+ try {
+ new InstanceScope().getNode(PLUGIN_ID).flush();
+ } catch (BackingStoreException e) {
+ logError(e);
+ }
}
/**
@@ -131,4 +180,63 @@
public static void setHelp(Control control, String id) {
PlatformUI.getWorkbench().getHelpSystem().setHelp(control, PLUGIN_ID + id); //$NON-NLS-1$
}
+
+ private void loadAndStartDeviceDiscoveryAgents() {
+ String loadError = Messages.getString("RemoteConnectionsActivator.DiscoveryAgentLoadError"); //$NON-NLS-1$
+ discoveryAgents = new ArrayList<IDeviceDiscoveryAgent>();
+ loadExtensions(DISCOVERY_AGENT_EXTENSION, loadError, discoveryAgents, new IFilter() {
+ public boolean select(Object toTest) {
+ if (toTest instanceof IDeviceDiscoveryAgent) {
+ try {
+ ((IDeviceDiscoveryAgent) toTest).start();
+ return true;
+ } catch (Throwable e) {
+ // since we launch arbitrary code, catch any exception to prevent killing the view
+ logError(e);
+ }
+ }
+ return false;
+ }
+ });
+
+ }
+
+ private void stopDeviceDiscoveryAgents() {
+ for (IDeviceDiscoveryAgent agent : discoveryAgents) {
+ try {
+ agent.stop();
+ } catch (CoreException e) {
+ logError(e);
+ }
+ }
+
+ }
+
+ public static void log(String errorStr, Throwable t) {
+ RemoteConnectionsActivator p = RemoteConnectionsActivator.getDefault();
+ String error = errorStr;
+ if (t != null) {
+ error += " : " + t.getLocalizedMessage(); //$NON-NLS-1$
+ }
+ Logging.log(p, Logging.newStatus(p, IStatus.ERROR, error));
+ if (t instanceof CoreException)
+ Logging.log(p, ((CoreException) t).getStatus());
+ }
+
+ @SuppressWarnings("unchecked")
+ public static <T> void loadExtensions(String extensionId, String loadError, Collection<T> extensionObjects, IFilter filter) {
+ IConfigurationElement[] elements =
+ Platform.getExtensionRegistry().getConfigurationElementsFor(extensionId);
+ for (IConfigurationElement element : elements) {
+ try {
+ T extObject = (T) element.createExecutableExtension("class"); //$NON-NLS-1$
+ if (filter == null || filter.select(extObject))
+ extensionObjects.add(extObject);
+ }
+ catch (CoreException e) {
+ if (loadError != null)
+ RemoteConnectionsActivator.log(loadError, e);
+ }
+ }
+ }
}