package org.eclipse.cdt.codan.core;

import org.eclipse.cdt.codan.internal.core.CodeAnlysisNature;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class CodanCorePlugin extends Plugin {
	// The plug-in ID
	public static final String PLUGIN_ID = "org.eclipse.cdt.codan.core";
	public static final String NATURE_ID = CodeAnlysisNature.NATURE_ID;
	// The shared instance
	private static CodanCorePlugin plugin;

	/**
	 * The constructor
	 */
	public CodanCorePlugin() {
	}

	public IEclipsePreferences getStorePreferences() {
		return new InstanceScope().getNode(PLUGIN_ID);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 * 
	 * @return the shared instance
	 */
	public static CodanCorePlugin getDefault() {
		return plugin;
	}

	/**
	 * Logs the specified status with this plug-in's log.
	 * 
	 * @param status
	 *            status to log
	 */
	public static void log(IStatus status) {
		getDefault().getLog().log(status);
	}

	/**
	 * Logs an internal error with the specified throwable
	 * 
	 * @param e
	 *            the exception to be logged
	 */
	public static void log(Throwable e) {
		log(new Status(IStatus.ERROR, PLUGIN_ID, 1, "Internal Error", e)); //$NON-NLS-1$
	}

	/**
	 * Logs an internal error with the specified message.
	 * 
	 * @param message
	 *            the error message to log
	 */
	public static void log(String message) {
		log(new Status(IStatus.ERROR, PLUGIN_ID, 1, message, null));
	}
}