/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.internal.pi.manager;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IConfigurationElement;

import org.eclipse.core.runtime.IExtension;

import org.eclipse.core.runtime.IExtensionPoint;

import org.eclipse.core.runtime.IExtensionRegistry;

import org.eclipse.core.runtime.Platform;

import org.osgi.framework.Bundle;

import com.nokia.carbide.cpp.internal.pi.interfaces.IReturnPlugin;

import com.nokia.carbide.cpp.internal.pi.plugin.model.AbstractPiPlugin;

import com.nokia.carbide.cpp.pi.PiPlugin;

import com.nokia.carbide.cpp.pi.editors.PIPageEditor;

public class PluginRegisterer

{

	private static boolean alreadyRegistered = false;

	public PluginRegisterer()

	{

	}

	public static void registerAllPlugins()

	{

		if (alreadyRegistered)

			return;

		// start all PI plugins that have their dependencies resolved

		if (!PIPageEditor.arePluginsStarted()) {

			PIPageEditor.startPlugins();

			Bundle[] bundles = PiPlugin.getDefault().getBundle().getBundleContext().getBundles();

			for (int i = 0; i < bundles.length; i++) {

				Bundle bundle = bundles[i];

				if (bundle.getSymbolicName().matches(".*com\\.nokia\\.carbide\\.cpp\\.pi\\..*")) { //$NON-NLS-1$

					int state = bundle.getState();

					if (state == Bundle.RESOLVED)

						try {

							bundle.start(Bundle.START_TRANSIENT);

						} catch (Exception ex) {

						}

				}

			}

		}

		IExtensionRegistry registry    = Platform.getExtensionRegistry();

        if (extensionPoint == null)

        	return;

        IExtension[] extensions        = extensionPoint.getExtensions();

        // For each extension ...

    	for (int i = 0; i < extensions.length; i++) {

			IExtension extension             = extensions[i];

			IConfigurationElement[] elements = extension.getConfigurationElements();

            // For each member of the extension ...

			if (elements != null && elements.length >= 1) {

				IConfigurationElement element = elements[0];

				AbstractPiPlugin plugin;

				IReturnPlugin getPlugin;

				try {

					getPlugin = (IReturnPlugin) element.createExecutableExtension("pluginClass");  //$NON-NLS-1$

					plugin = getPlugin.getPlugin();

					PluginRegistry.getInstance().addRegistryEntry(plugin);

				} catch (CoreException e) {

					e.printStackTrace();

				}

			}

		}

    	alreadyRegistered = true;

	}

}