EasybLaunchActivator.java

package org.easyb.launch;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.internal.ui.packageview.PackageFragmentRootContainer;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class EasybLaunchActivator extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.easyb.launch.ui";

	// The shared instance
	private static EasybLaunchActivator plugin;
	
	//Plugin Preference store
	
	/**
	 * The constructor
	 */
	public EasybLaunchActivator() {
	}

	/*
	 * (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;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#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 EasybLaunchActivator getDefault() {
		return plugin;
	}

	/**
	 * Returns an image descriptor for the image file at the given
	 * plug-in relative path
	 *
	 * @param path the path
	 * @return the image descriptor
	 */
	public static ImageDescriptor getImageDescriptor(String path) {
		return imageDescriptorFromPlugin(PLUGIN_ID, path);
	}
	
	public static void Log(String message,Exception ex){
		getDefault().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, 0,message,ex));
	}
	
	public static void Log(String message){
		getDefault().getLog().log(new Status(IStatus.ERROR, PLUGIN_ID,message));
	}
	
	public static void Log(IStatus status){
		getDefault().getLog().log(status);
	}
	
	public static IPreferenceStore getLaunchPreferenceStore(){
		return getDefault().getPreferenceStore();
	}
	
	public IProject getSelectedProject(){
		ISelectionService selectionService = 
			getWorkbench().getActiveWorkbenchWindow().getSelectionService();
		
		ISelection selection = selectionService.getSelection();

		if(selection instanceof IStructuredSelection) {
			    Object element = ((IStructuredSelection)selection).getFirstElement();
	
			    IProject project = null;
			    if (element instanceof IResource) {
			        project= ((IResource)element).getProject();
			    } else if (element instanceof PackageFragmentRootContainer) {
			        IJavaProject jProject = 
			            ((PackageFragmentRootContainer)element).getJavaProject();
			        project = jProject.getProject();
			    } else if (element instanceof IJavaElement) {
			        IJavaProject jProject= ((IJavaElement)element).getJavaProject();
			        project = jProject.getProject();
			    }
			    
			    return project;
		    } 
		//TODO implement below 
		/*else if (selection instanceof ITextSelection) {
		    if(sourcePart instanceof JavaEditor) {
		        IJavaElement element = SelectionConverter.resolveEnclosingElement(sourcePart, selection);
		        project = element.getJavaProject().getProject();
		    }
		}*/
		return null;
	}

}