/**
* Creates a plugin hosts given its class name. Use PluginHostManager.HOST_* constants.
*
* @param pluginHostClass Class name of plugin host to create.
* @param props Properties map.
* @throws PluginException on plugin error.
*/
public void setPluginHost(String pluginHostClass, Map props) throws PluginException {
boolean firstTime = (current_ == null);
PluginHost previous = current_;
try {
current_ = (PluginHost) Class.forName(pluginHostClass).newInstance();
} catch (InstantiationException e) {
throw new PluginException(e);
} catch (IllegalAccessException e) {
throw new PluginException(e);
} catch (ClassNotFoundException e) {
throw new PluginException(e);
}
if (firstTime) {
try {
current_.initialize(props);
} catch (ServiceException se) {
throw new PluginException(se);
}
} else {
try {
transferAssets(previous, current_);
} catch (ServiceException e1) {
throw new PluginException(e1);
}
recepticle_.remove(previous.getView());
}
recepticle_.add(current_.getView());
}
/** @see toolbox.util.ui.SmartAction#runAction( java.awt.event.ActionEvent) */
public void runAction(ActionEvent e) throws Exception {
String selected = newPluginHost_.getClass().getName();
if (selected.equals(current_.getClass().getName())) {
JSmartOptionPane.showMessageDialog(null, "Plugin host " + selected + " is already active.");
}
recepticle_.remove(current_.getView());
transferAssets(current_, newPluginHost_);
recepticle_.add(newPluginHost_.getView());
current_ = newPluginHost_;
recepticle_.validate();
current_.applyPrefs(workspace_.getPreferences());
}
/**
* Creates an ActivatePluginHostAction.
*
* @param pluginHost Plugin host to activate.
*/
ActivatePluginHostAction(PluginHost pluginHost) {
super(pluginHost.getName(), false, null, null);
newPluginHost_ = pluginHost;
}
/**
* Transfers the assets from one plugin host to another.
*
* @param source Plugin host to transfer assets from.
* @param dest Plugin host to transfer assets to.
* @throws ServiceException on error.
*/
protected void transferAssets(PluginHost source, PluginHost dest) throws ServiceException {
logger_.debug(
"Transferring "
+ source.getPlugins().length
+ " plugins from "
+ source.getClass().getName()
+ " --> "
+ dest.getClass().getName());
dest.initialize(source.getStartupConfig());
//
// Transfer over the plugins
//
IPlugin[] sourcePlugins = source.getPlugins();
for (int i = 0; i < sourcePlugins.length; i++) {
IPlugin plugin = sourcePlugins[i];
source.exportPlugin(plugin);
dest.importPlugin(plugin);
}
//
// Transfer over the pluginost's listeners
//
PluginHostListener[] listeners = source.getPluginHostListeners();
for (int i = 0; i < listeners.length; i++) {
source.removePluginHostListener(listeners[i]);
dest.addPluginHostListener(listeners[i]);
}
source.destroy();
}
