Application: gvSIG desktop

	<classpathentry kind="lib" path="lib/javaws.jar"/>

	<classpathentry kind="lib" path="andami.jar"/>

import java.awt.Dimension;

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.net.URLConnection;

import java.util.Date;

import java.util.Properties;

import javax.jnlp.BasicService;

import javax.jnlp.ServiceManager;

import javax.jnlp.UnavailableServiceException;

import javax.swing.JDialog;

import com.iver.andami.messages.NotificationManager;

		downloadExtensions(andamiConfig.getPluginsDirectory());

	 * @param extDir DOCUMENT ME!

	 */

	private static void downloadExtensions(String extDir) {

		java.util.Date fechaActual = null;

		try {

			if (System.getProperty("javawebstart.version") != null) {

				//Obtenemos la URL del servidor

				BasicService bs = (BasicService) ServiceManager.lookup(

						"javax.jnlp.BasicService");

				URL baseURL = bs.getCodeBase();

				//Se descargan las extensiones

				SplashWindow.process(5,

					"Descargando las extensiones desde " + baseURL + " a " +

					extDir);

				URL url = new URL(baseURL + "extensiones.zip");

				URLConnection connection = url.openConnection();

				System.out.println(url.toExternalForm() + ":");

				System.out.println("  Content Type: " +

					connection.getContentType());

				System.out.println("  Content Length: " +

					connection.getContentLength());

				System.out.println("  Last Modified: " +

					new Date(connection.getLastModified()));

				System.out.println("  Expiration: " +

					connection.getExpiration());

				System.out.println("  Content Encoding: " +

					connection.getContentEncoding());

				// Guardamos la fecha del fichero de extensiones que nos hemos bajado, y

				// comprobamos el ?ltimo que se ha bajado. Si no son

				// iguales, nos bajamos el nuevo. Si son iguales, no

				// nos bajamos nada.

				Long miliSecondsInWeb = new Long(connection.getLastModified());

				// PluginServices ps = PluginServices.getPluginServices("com.iver.core");

				// if (ps.getPersistentXML().getStringProperty("timestamp") != null)

				File destDir = new File(extDir);

				if (!destDir.exists()) {

					// Creamos gvSIG

					destDir.getParentFile().mkdir();

					if (!destDir.mkdir()) {

						System.err.println("Imposible crear el directorio " +

							destDir.getAbsolutePath());

					}

				}

				File timeFile = new File(destDir.getParent() + File.separator +

						"timeStamp.properties");

				if (!timeFile.exists()) {

					timeFile.createNewFile();

				}

				FileInputStream inAux = new FileInputStream(timeFile);

				Properties prop = new Properties();

				prop.load(inAux);

				inAux.close();

				if (prop.getProperty("timestamp") != null) {

					Long lastMiliSeconds = (Long) new Long(prop.getProperty(

								"timestamp"));

					if (lastMiliSeconds.longValue() == miliSecondsInWeb.longValue()) {

						System.out.println("No hay nueva actualizaci?n");

						return;

					}

					System.out.println("timeStampWeb= " + miliSecondsInWeb);

					System.out.println("timeStampLocal= " + lastMiliSeconds);

				} else {

					System.out.println("El timeStamp no est? escrito en " +

						timeFile.getAbsolutePath());

				}

				InputStream stream = connection.getInputStream();

				File temp = File.createTempFile("gvsig", ".zip");

				temp.deleteOnExit();

				FileOutputStream file = new FileOutputStream(temp);

				BufferedInputStream in = new BufferedInputStream(stream);

				BufferedOutputStream out = new BufferedOutputStream(file);

				int i;

				int pct;

				int desde;

				int hasta;

				hasta = connection.getContentLength() / 1024;

				desde = 0;

				while ((i = in.read()) != -1) {

					pct = ((desde / 1024) * 100) / hasta;

					if (((desde % 10240) == 0) && (pct > 10) &&

							((pct % 10) == 0)) {

						SplashWindow.process(pct,

							(desde / 1024) + "Kb de " + hasta +

							"Kb descargados...");

					}

					out.write(i);

					desde++;

				}

				out.flush();

				out.close();

				in.close();

				//Se extrae el zip

				SplashWindow.process(5, "Extensiones descargadas.");

				System.out.println("Extrayendo a " + destDir.getAbsolutePath());

				Date fechaDir = new Date(destDir.lastModified());

				System.out.println("Fecha del directorio " + extDir + " = " +

					fechaDir.toString());

				Utilities.extractTo(temp, new File(extDir), splashWindow);

				// Si todo ha ido bien, guardamos el timestamp.

				///  App.instance.getPc().addProperties("timestamp", miliSecondsInWeb);

				// XMLEntity xml=ps.getPersistentXML();

				fechaActual = new java.util.Date();

				FileOutputStream outAux = new FileOutputStream(timeFile);

				prop.setProperty("timestamp", miliSecondsInWeb.toString());

				prop.store(outAux, "last download");

				outAux.close();

				System.out.println("Fecha actual guardada: " +

					fechaActual.toGMTString());

				/* xml.putProperty("timestamp",fechaActual.toGMTString());

				   ps.setPresistentXML(xml); */

			}

		} catch (IOException e) {

			NotificationManager.addError("", e);

		} catch (UnavailableServiceException e) {

			NotificationManager.addError("", e);

		} catch (SecurityException e) {

			System.err.println("No se puede escribir el timeStamp " +

				fechaActual.toGMTString());

			NotificationManager.addError("", e);

		}

	}

	/**

	 * DOCUMENT ME!

	 *

import org.apache.log4j.Logger;

import com.iver.andami.messages.Messages;

     * @throws IOException

                                ": " + fileName + " en " + jarFiles[i].getName() + " y en " + ((ZipFile)clasesJar.get(fileName)).getName()));

            	throw new IOException(e.getMessage() + " Jar: " + jars[i].getPath()+": " + jarFiles[i]);            	

			}

     * @param resolve DOCUMENT ME!

    protected Class singleLoadClass(String name)

        throws ClassNotFoundException {

    	if (c != null){

    		return c;

    	}

                for (int i = 0; i < pluginLoaders.length; i++) {

                    c = pluginLoaders[i].singleLoadClass(name);

                    if (c != null) {

                        break;

        String ret = baseDir.getAbsolutePath().substring(baseDir.getAbsolutePath().lastIndexOf(File.separatorChar) +