UploadAction.java

package org.lejos.ev3.ldt.actions;

import java.io.File;
import java.io.FileInputStream;
import java.lang.reflect.InvocationTargetException;
import java.rmi.Naming;
import java.util.ArrayList;

import lejos.remote.ev3.RMIMenu;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.ActionDelegate;
import org.eclipse.ui.progress.IProgressService;
import org.lejos.ev3.ldt.util.BrickInfo;
import org.lejos.ev3.ldt.util.Discover;
import org.lejos.ev3.ldt.util.LeJOSEV3Util;
import org.lejos.ev3.ldt.util.ToolStarter;

/**
 * Creates a runnable jar file and uploads it to the brick
 * 
 * @see IWorkbenchWindowActionDelegate
 * @author Matthias Paul Scholz and Lawrie Griffiths
 * 
 */
public class UploadAction extends ActionDelegate {

	private ISelection _selection;

	@Override
	public void run(IAction action) {
		final ArrayList<File> tmp = new ArrayList<File>();
		LeJOSEV3Util.getFilesFromSelection(_selection, tmp);
		if (!tmp.isEmpty())
		{
			// open progress monitor
			IWorkbench wb = PlatformUI.getWorkbench();
			IProgressService ps = wb.getProgressService();
			try {
				ps.busyCursorWhile(new IRunnableWithProgress() {
					public void run(IProgressMonitor pm) {
						uploadFile(pm, tmp);
					} // end run
				});
			} catch (Throwable t) {
				// log
				LeJOSEV3Util.log(t);
			}
		}
	}

	private void uploadFile(IProgressMonitor progressMonitor, ArrayList<File> fileList) {
		try {
			progressMonitor.beginTask("Uploading files...", IProgressMonitor.UNKNOWN);
			try
			{
				ToolStarter starter = LeJOSEV3Util.getCachedToolStarter();
				
				ArrayList<String> args = new ArrayList<String>();
				LeJOSEV3Util.getUploadOpts(args);
				
				BrickInfo[] bricks = Discover.discover();
				
				if (bricks.length ==  0) {
					LeJOSEV3Util.error("No EV3 Found");					
				} else {
				
					RMIMenu menu = (RMIMenu)Naming.lookup("//" + bricks[0].getIPAddress() + "/RemoteMenu");
	
					for (File f : fileList) {
						args.add(f.getAbsolutePath());
						
						FileInputStream in = new FileInputStream(f);
						byte[] data = new byte[(int)f.length()];
					    in.read(data);
					    in.close();
					    menu.uploadFile("/home/lejos/programs/" + f.getName(), data);
					}
					
				    LeJOSEV3Util.message("Files have been uploaded successfully");
				}

			}
			finally
			{
				progressMonitor.done();					
			}
		} catch (Throwable t) {
			if (t instanceof InvocationTargetException)
				t = ((InvocationTargetException)t).getTargetException();
			
			// log
			LeJOSEV3Util.error("upload of " + fileList + " failed", t);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action
	 * .IAction, org.eclipse.jface.viewers.ISelection)
	 */
	@Override
	public void selectionChanged(IAction action, ISelection selection) {
		_selection = selection;
		ArrayList<File> tmp = new ArrayList<File>();
		LeJOSEV3Util.getFilesFromSelection(selection, tmp);
		action.setEnabled(!tmp.isEmpty());
	}
}