Upload.java

/* 
 * License: source-license.txt
 * If this code is used independently, copy the license here.
 */

package wombat.gui.actions;

import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.io.*;
import java.net.URI;
import java.net.URLEncoder;
import java.util.Calendar;

import javax.swing.*;

import wombat.gui.icons.*;
import wombat.util.files.*;

/**
 * Open a web browser so that the user can upload the active document to Tiro.
 * TODO: Parameter the upload location.
 */
public class Upload extends AbstractAction {
	private static final long serialVersionUID = 5980425299281375927L;

	/*
	 * BASE_URL is the url when a file isn't known.
	 * FILE_URL uses the filename to paramaterize the request.
	 * 
	 * TODO: Put this into a configuration file.
	 */
	static final String BASE_URL;
	static final String FILE_URL; 
	
	static {
		String semester = "";
		
		Calendar cal = Calendar.getInstance();
		int month = cal.get(Calendar.MONTH);
		int day = cal.get(Calendar.DAY_OF_MONTH);
		int year = cal.get(Calendar.YEAR);
		
		if (month < Calendar.MAY || (month == Calendar.MAY && day < 7)) {
			semester += "spring";
		} else if (month < Calendar.AUGUST || (month == Calendar.AUGUST && day < 15)) {
			semester += "summer";
		} else {
			semester += "fall";
		}
		semester += year % 100;
		
		BASE_URL = "https://www.cs.indiana.edu/cgi-pub/c211/" + semester + "/tiro/tiro.cgi";
		FILE_URL = "https://www.cs.indiana.edu/cgi-pub/c211/" + semester + "/tiro/tiro.cgi?show_submissions=1&show_assignments=1&assignments={assignment_name}&show_group=1&assignments={assignment_name}";
	}
	
	/**
	 * Create the upload action.
	 */
	public Upload() {
		super("Upload", IconManager.icon("Upload.png"));
		putValue(Action.SHORT_DESCRIPTION, getValue(Action.NAME));
	}
	
	/**
	 * Open the correct submission page in the user's web browser.
	 * @param event Event parameters (ignored).
	 * @see URLEncoder, Desktop,DocumentManager
	 */
	public void actionPerformed(ActionEvent event) {
		File file = DocumentManager.getActiveFile();
		
		// Get the URL to fetch.
		String url = null;
		if (file == null) {
			url = BASE_URL;
		} else {
			String name = file.getName();
			int pos = name.lastIndexOf(".");
			if (pos != -1) name = name.substring(0, pos);
			
			try {
				url = FILE_URL.replace("{assignment_name}", URLEncoder.encode(name, "UTF-8"));
			} catch (IOException e) {
				url = BASE_URL;
			}
		}
		
		// Try to open it in the user's browser.
		try {
			Desktop.getDesktop().browse(URI.create(url));
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}