package com.example.e4.extensionfactory;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.core.runtime.IExecutableExtensionFactory;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.e4.core.contexts.EclipseContextFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.InjectionException;
import org.eclipse.e4.core.services.contributions.IContributionFactory;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.util.tracker.ServiceTracker;

public class MyExtensionFactory implements IExecutableExtensionFactory,
		IExecutableExtension {

	private ServiceTracker bundleTracker = null;
	private IConfigurationElement config;
	private String id;
	private String propertyName;
	private BundleContext context;

	@Override
	public Object create() throws CoreException {
		Bundle bundle = FrameworkUtil.getBundle(getClass());
		BundleContext bundleContext = bundle.getBundleContext();
		IEclipseContext eclipseCtx = EclipseContextFactory
				.getServiceContext(bundleContext);
		IContributionFactory contributionFactory = (IContributionFactory) eclipseCtx
				.get(IContributionFactory.class.getName());

		IEclipseContext localContext = EclipseContextFactory.create();
		Object object = null;
		try {
			System.out.println("This is the View id: " + id);
			context = FrameworkUtil.getBundle(this.getClass())
					.getBundleContext();
			object = contributionFactory
					.create("bundleclass:de.vogella.rcp.di.test/de.vogella.rcp.di.test.View",
							localContext);
		} catch (InjectionException e) {
			e.printStackTrace();
		}
		return object;
	}

	public void setInitializationData(IConfigurationElement config,
			String propertyName, Object data) throws CoreException {
		System.out.println("Initialization is calleed");
		if (data instanceof String) {
			id = (String) data;
		} else {
			throw new CoreException(new Status(IStatus.ERROR,
					"com.example.e4.extensionfactory", 0,
					"Data argument must be a String for " + getClass(), null)); //$NON-NLS-1$
		}
		this.config = config;
		this.propertyName = propertyName;
	}

}