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authorclemenso <clemenso@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2009-05-12 14:46:41 +0000
committerclemenso <clemenso@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2009-05-12 14:46:41 +0000
commit4af6912e43237c3678f05e30c69385481f42ae76 (patch)
treec81a087bc7b1149dd2ebc590fc2078a29c61a6e2 /BKUWebStart/src/main/java
parenta8af530c64d4612f5a15d66ce71bbfd1c3579ea0 (diff)
downloadmocca-4af6912e43237c3678f05e30c69385481f42ae76.tar.gz
mocca-4af6912e43237c3678f05e30c69385481f42ae76.tar.bz2
mocca-4af6912e43237c3678f05e30c69385481f42ae76.zip
bku web start
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@354 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'BKUWebStart/src/main/java')
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/BKULauncher.java221
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/CA.java117
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java86
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/BKUControllerInterface.java23
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialog.java202
-rw-r--r--BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialogInterface.java33
6 files changed, 682 insertions, 0 deletions
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/BKULauncher.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/BKULauncher.java
new file mode 100644
index 00000000..854e6535
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/BKULauncher.java
@@ -0,0 +1,221 @@
+package at.gv.egiz.bku.webstart;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.security.KeyStore;
+import java.util.Enumeration;
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+//import org.apache.commons.cli.CommandLine;
+//import org.apache.commons.cli.CommandLineParser;
+//import org.apache.commons.cli.HelpFormatter;
+//import org.apache.commons.cli.Options;
+//import org.apache.commons.cli.ParseException;
+//import org.apache.commons.cli.PosixParser;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.webstart.ui.BKUControllerInterface;
+import at.gv.egiz.bku.webstart.ui.TrayIconDialog;
+import at.gv.egiz.bku.utils.StreamUtil;
+
+public class BKULauncher implements BKUControllerInterface {
+
+ private static Log log = LogFactory.getLog(BKULauncher.class);
+
+ private ResourceBundle resourceBundle = null;
+ private Container server;
+// private SplashScreen splash = SplashScreen.getSplashScreen();
+
+ private void startUpServer() throws Exception {
+ server = new Container();
+ // XmlConfiguration xcfg = new XmlConfiguration(getClass().getClassLoader()
+ // .getResourceAsStream("at/gv/egiz/bku/local/app/jetty.xml"));
+ // xcfg.configure(server);
+ server.init();
+ server.start();
+ }
+
+ private void initTrayIcon() {
+ Locale loc = Locale.getDefault();
+ try {
+ resourceBundle = ResourceBundle.getBundle(
+ "at/gv/egiz/bku/webstart/ui/UIMessages", loc);
+ } catch (MissingResourceException mx) {
+ resourceBundle = ResourceBundle.getBundle(
+ "at/gv/egiz/bku/webstart/ui/UIMessages", Locale.ENGLISH);
+ }
+ TrayIconDialog.getInstance().init(resourceBundle);
+ TrayIconDialog.getInstance().setShutdownHook(this);
+ TrayIconDialog.getInstance().displayInfo("Greetings.Caption",
+ "Greetings.Message");
+ }
+
+ private void initStart() {
+
+ }
+
+ private void initFinished() {
+ try {
+// if (splash != null) {
+// try {
+// splash.close();
+// } catch (IllegalStateException ex) {
+// log.warn("Failed to close splash screen: " + ex.getMessage());
+// }
+// }
+ server.join();
+ } catch (InterruptedException e) {
+ log.info(e);
+ }
+ }
+
+// private void copyDirs(File srcDir, File dstDir) {
+// for (File cf : srcDir.listFiles()) {
+// File of = new File(dstDir, cf.getName());
+// if (cf.isDirectory()) {
+// log.debug("Creating directory: " + of);
+// of.mkdir();
+// copyDirs(cf, of);
+// } else {
+// log.debug("Writing file: " + of);
+// try {
+// FileInputStream fis = new FileInputStream(cf);
+// FileOutputStream fos = new FileOutputStream(of);
+// StreamUtil.copyStream(fis, fos);
+// fis.close();
+// fos.close();
+// } catch (IOException e) {
+// log.error("Cannot copy default configuration", e);
+// }
+// }
+// }
+// }
+
+ private void unzip(File zipfile) throws IOException {
+ File dir = zipfile.getParentFile();
+ ZipFile zipFile = new ZipFile(zipfile);
+ Enumeration<? extends ZipEntry> entries = zipFile.entries();
+ while (entries.hasMoreElements()) {
+ ZipEntry entry = entries.nextElement();
+ File eF = new File(dir, entry.getName());
+ if (entry.isDirectory()) {
+ eF.mkdirs();
+ continue;
+ }
+ File f = new File(eF.getParent());
+ f.mkdirs();
+ StreamUtil.copyStream(zipFile.getInputStream(entry),
+ new FileOutputStream(eF));
+ }
+ zipFile.close();
+ }
+
+ private void checkConfig(String[] args) {
+// CommandLineParser parser = new PosixParser();
+// Options options = new Options();
+// options.addOption("c", true, "the configuration's base directory");
+// options.addOption("h", false, "print this message");
+// try {
+ File cfgDir = new File(System.getProperty("user.home") + "/.mocca/conf");
+// CommandLine cmd = parser.parse(options, args);
+// if (cmd.hasOption("h")) {
+// HelpFormatter formatter = new HelpFormatter();
+// formatter.printHelp("BKULauncher", options);
+// System.exit(0);
+// }
+//
+// if (cmd.hasOption("c")) {
+// cfgDir = new File(cmd.getOptionValue("c"));
+// }
+ log.debug("using config directory: " + cfgDir);
+ if (cfgDir.exists() && cfgDir.isFile()) {
+ log.error("Configuration directory must not be a file");
+ }
+ if (!cfgDir.exists()) {
+ log.debug("Creating config directory: " + cfgDir);
+ cfgDir.mkdirs();
+ try {
+ InputStream is = getClass().getClassLoader().getResourceAsStream(
+ "at/gv/egiz/bku/webstart/defaultConf/template.zip");
+ OutputStream os = new FileOutputStream(new File(cfgDir,
+ "template.zip"));
+ StreamUtil.copyStream(is, os);
+ os.close();
+ unzip(new File(cfgDir, "template.zip"));
+ } catch (IOException iox) {
+ log.error("Cannot create user directory", iox);
+ return;
+ }
+ CA ca = new CA();
+ char[] password = "changeMe".toCharArray();
+ KeyStore ks = ca.generateKeyStore(password);
+ if (ks != null) {
+ File ksdir = new File(cfgDir, "keystore");
+ ksdir.mkdirs();
+ FileOutputStream fos;
+ try {
+ fos = new FileOutputStream(new File(ksdir, "keystore.ks"));
+ ks.store(fos, password);
+ fos.close();
+ } catch (Exception e) {
+ log.error("Cannot store keystore", e);
+ }
+ } else {
+ log.error("Cannot create ssl certificate");
+ }
+ }
+// } catch (ParseException e1) {
+// log.error(e1);
+// HelpFormatter formatter = new HelpFormatter();
+// formatter.printHelp("BKULauncher", options);
+// System.exit(0);
+// }
+ }
+
+ /**
+ * @param args
+ */
+ public static void main(String[] args) {
+ try {
+ log.warn("***** DISABLING SECURITY MANAGER *******");
+ System.setSecurityManager(null);
+ BKULauncher launcher = new BKULauncher();
+ launcher.initStart();
+ launcher.checkConfig(args);
+ launcher.startUpServer();
+ launcher.initTrayIcon();
+ launcher.initFinished();
+ } catch (Exception e) {
+ log.fatal("Cannot launch BKU", e);
+ System.exit(-1000);
+ }
+
+ }
+
+ public void shutDown() {
+ log.info("Shutting down server");
+ if ((server != null) && (server.isRunning())) {
+ try {
+ if (server.isRunning()) {
+ server.stop();
+ }
+ } catch (Exception e) {
+ log.debug(e.toString());
+ } finally {
+ if (server.isRunning()) {
+ server.destroy();
+ }
+ }
+ }
+ System.exit(0);
+ }
+
+}
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/CA.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/CA.java
new file mode 100644
index 00000000..f81d3d83
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/CA.java
@@ -0,0 +1,117 @@
+package at.gv.egiz.bku.webstart;
+
+import iaik.asn1.ObjectID;
+import iaik.asn1.structures.AlgorithmID;
+import iaik.asn1.structures.Name;
+import iaik.x509.X509Certificate;
+import iaik.x509.extensions.BasicConstraints;
+import iaik.x509.extensions.KeyUsage;
+
+import java.math.BigInteger;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.KeyStore;
+import java.security.NoSuchAlgorithmException;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.Random;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+public class CA {
+ private final static Log log = LogFactory.getLog(CA.class);
+
+ private KeyPair caKeyPair;
+ private X509Certificate caCert;
+
+ private KeyPair serverKeyPair;
+ private X509Certificate serverCert;
+
+ public CA() {
+ }
+
+ private KeyPair generateKeyPair() throws NoSuchAlgorithmException {
+ KeyPairGenerator gen = KeyPairGenerator.getInstance("RSA");
+ gen.initialize(2048);
+ return gen.generateKeyPair();
+ }
+
+ private void generateCA() throws GeneralSecurityException {
+ log.debug("Generating CA certificate");
+ Name subject = new Name();
+ subject.addRDN(ObjectID.country, "AT");
+ subject.addRDN(ObjectID.organization, "MOCCA");
+ subject.addRDN(ObjectID.organizationalUnit, "MOCCA-CA");
+
+ caKeyPair = generateKeyPair();
+ caCert = new X509Certificate();
+ caCert.setSerialNumber(new BigInteger(20, new Random()));
+ caCert.setSubjectDN(subject);
+ caCert.setPublicKey(caKeyPair.getPublic());
+ caCert.setIssuerDN(subject);
+
+ caCert.addExtension(new BasicConstraints(true));
+ caCert.addExtension(new KeyUsage(KeyUsage.keyCertSign | KeyUsage.cRLSign
+ | KeyUsage.digitalSignature));
+
+ GregorianCalendar date = new GregorianCalendar();
+ date.add(Calendar.HOUR_OF_DAY, -1);
+ caCert.setValidNotBefore(date.getTime());
+ date.add(Calendar.YEAR, 7);
+ caCert.setValidNotAfter(date.getTime());
+ caCert.sign(AlgorithmID.sha1WithRSAEncryption, caKeyPair.getPrivate());
+ log.debug("Successfully signed CA certificate");
+ }
+
+ private void generateServerCert() throws GeneralSecurityException {
+ log.debug("Generating SSL certificate");
+ Name subject = new Name();
+ subject.addRDN(ObjectID.country, "AT");
+ subject.addRDN(ObjectID.organization, "MOCCA");
+ try {
+ subject.addRDN(ObjectID.commonName, InetAddress.getLocalHost()
+ .getHostName());
+ } catch (UnknownHostException e) {
+ subject.addRDN(ObjectID.commonName, "localhost");
+ }
+ serverKeyPair = generateKeyPair();
+ serverCert = new X509Certificate();
+ serverCert.setSerialNumber(new BigInteger(20, new Random()));
+ serverCert.setSubjectDN(subject);
+ serverCert.setPublicKey(serverKeyPair.getPublic());
+ serverCert.setIssuerDN(caCert.getSubjectDN());
+
+ serverCert.addExtension(new BasicConstraints(false));
+ serverCert.addExtension(new KeyUsage(KeyUsage.keyEncipherment
+ | KeyUsage.digitalSignature));
+
+ GregorianCalendar date = new GregorianCalendar();
+ date.add(Calendar.HOUR_OF_DAY, -1);
+ serverCert.setValidNotBefore(date.getTime());
+ date.add(Calendar.YEAR, 7);
+ date.add(Calendar.HOUR_OF_DAY, -1);
+ serverCert.setValidNotAfter(date.getTime());
+ serverCert.sign(AlgorithmID.sha1WithRSAEncryption, caKeyPair.getPrivate());
+ log.debug("Successfully signed server certificate");
+ caKeyPair = null;
+ }
+
+ public KeyStore generateKeyStore(char[] password) {
+ try {
+ generateCA();
+ generateServerCert();
+ KeyStore ks = KeyStore.getInstance("JKS");
+ ks.load(null, null);
+ ks.setKeyEntry("server", serverKeyPair.getPrivate(), password, new X509Certificate[]{serverCert, caCert});
+ return ks;
+ } catch (Exception e) {
+ log.error("Cannot generate certificate", e);
+ }
+ return null;
+ }
+
+}
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java
new file mode 100644
index 00000000..ef12e4fd
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java
@@ -0,0 +1,86 @@
+package at.gv.egiz.bku.webstart;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.mortbay.jetty.Connector;
+import org.mortbay.jetty.Handler;
+import org.mortbay.jetty.Server;
+import org.mortbay.jetty.handler.DefaultHandler;
+import org.mortbay.jetty.handler.HandlerCollection;
+import org.mortbay.jetty.nio.SelectChannelConnector;
+import org.mortbay.jetty.security.SslSocketConnector;
+import org.mortbay.jetty.webapp.WebAppContext;
+import org.mortbay.thread.QueuedThreadPool;
+
+public class Container {
+
+ public static final String HTTP_PORT = "mocca.http.port";
+ public static final String HTTPS_PORT = "mocca.http.port";
+
+ private static Log log = LogFactory.getLog(Container.class);
+
+ private Server server;
+
+ public Container() {
+ }
+
+ public void init() {
+ server = new Server();
+ QueuedThreadPool qtp = new QueuedThreadPool();
+ qtp.setMaxThreads(5);
+ qtp.setMinThreads(2);
+ qtp.setLowThreads(0);
+ server.setThreadPool(qtp);
+ server.setStopAtShutdown(true);
+ server.setGracefulShutdown(3000);
+
+ SelectChannelConnector connector = new SelectChannelConnector();
+ connector.setPort(Integer.getInteger(HTTP_PORT, 3495).intValue());
+ connector.setAcceptors(1);
+ connector.setConfidentialPort(Integer.getInteger(HTTPS_PORT, 3496).intValue());
+
+ SslSocketConnector sslConnector = new SslSocketConnector();
+ sslConnector.setPort(Integer.getInteger(HTTPS_PORT, 3496).intValue());
+ sslConnector.setAcceptors(1);
+ sslConnector.setKeystore(System.getProperty("user.home")
+ + "/.mocca/conf/keystore/keystore.ks");
+ sslConnector.setPassword("changeMe");
+ sslConnector.setKeyPassword("changeMe");
+
+ server.setConnectors(new Connector[] { connector, sslConnector });
+
+// HandlerCollection handlers = new HandlerCollection();
+ WebAppContext webapp = new WebAppContext();
+ webapp.setContextPath("/");
+ webapp.setExtractWAR(true); //false
+ webapp.setParentLoaderPriority(false);
+
+// webappcontext.setWar("BKULocal-1.0.4-SNAPSHOT.war");
+ webapp.setWar(getClass().getClassLoader().getResource("BKULocalWar/").toString());
+
+// handlers.setHandlers(new Handler[] { webappcontext, new DefaultHandler() });
+
+ server.setHandler(webapp);
+ server.setGracefulShutdown(1000*3);
+ }
+
+ public void start() throws Exception {
+ server.start();
+ }
+
+ public boolean isRunning() {
+ return server.isRunning();
+ }
+
+ public void stop() throws Exception {
+ server.stop();
+ }
+
+ public void destroy() {
+ server.destroy();
+ }
+
+ public void join() throws InterruptedException {
+ server.join();
+ }
+} \ No newline at end of file
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/BKUControllerInterface.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/BKUControllerInterface.java
new file mode 100644
index 00000000..fd9838f9
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/BKUControllerInterface.java
@@ -0,0 +1,23 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.webstart.ui;
+
+public interface BKUControllerInterface {
+
+ public void shutDown();
+
+}
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialog.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialog.java
new file mode 100644
index 00000000..4679eac5
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialog.java
@@ -0,0 +1,202 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.webstart.ui;
+
+import java.awt.AWTException;
+import java.awt.Image;
+import java.awt.MenuItem;
+import java.awt.PopupMenu;
+import java.awt.SystemTray;
+import java.awt.TrayIcon;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.ResourceBundle;
+
+import javax.imageio.ImageIO;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+public class TrayIconDialog implements TrayIconDialogInterface {
+
+ private static Log log = LogFactory.getLog(TrayIconDialog.class);
+ private static TrayIconDialogInterface instance;
+ private boolean isSupported;
+ private BKUControllerInterface shutDown;
+ private TrayIcon trayIcon = null;
+ private ResourceBundle resourceBundle = null;
+
+ private TrayIconDialog() {
+ }
+
+ private void displayTrayMsg(String captionID, String messageID,
+ TrayIcon.MessageType type) {
+ if ((isSupported) && (resourceBundle != null)) {
+ try {
+ trayIcon.displayMessage(resourceBundle.getString(captionID),
+ resourceBundle.getString(messageID), type);
+ } catch (Exception ex) {
+ log.error(ex);
+ }
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.local.ui.TrayIconDialogInterface#displayInfo(java.lang.String
+ * , java.lang.String)
+ */
+ public void displayInfo(String captionID, String messageID) {
+ displayTrayMsg(captionID, messageID, TrayIcon.MessageType.INFO);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.local.ui.TrayIconDialogInterface#displayWarning(java.lang
+ * .String, java.lang.String)
+ */
+ public void displayWarning(String captionID, String messageID) {
+ displayTrayMsg(captionID, messageID, TrayIcon.MessageType.WARNING);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.local.ui.TrayIconDialogInterface#displayError(java.lang.
+ * String, java.lang.String)
+ */
+ public void displayError(String captionID, String messageID) {
+ displayTrayMsg(captionID, messageID, TrayIcon.MessageType.ERROR);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.local.ui.TrayIconDialogInterface#init(java.util.ResourceBundle
+ * )
+ */
+ public void init(ResourceBundle resourceBundel) {
+ this.resourceBundle = resourceBundel;
+ isSupported = SystemTray.isSupported();
+ log.info("Trayicon supported: " + isSupported);
+ try {
+ if (isSupported) {
+ SystemTray tray = SystemTray.getSystemTray();
+ Image image = ImageIO.read(getClass().getClassLoader()
+ .getResourceAsStream("at/gv/egiz/bku/webstart/ui/logo.png"));
+ PopupMenu popup = new PopupMenu();
+ MenuItem exitItem = new MenuItem(resourceBundel
+ .getString("TrayMenu.Shutdown"));
+ popup.add(exitItem);
+ exitItem.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ log.info("Calling Shutdown");
+ if (shutDown != null) {
+ shutDown.shutDown();
+ }
+ }
+ });
+
+ trayIcon = new TrayIcon(image, "BKULogo", popup);
+ trayIcon.setImageAutoSize(true);
+ trayIcon.setToolTip(resourceBundel.getString("TrayMenu.Tooltip"));
+ try {
+ tray.add(trayIcon);
+ } catch (AWTException e) {
+ log.error("TrayIcon could not be added.", e);
+ isSupported = false;
+ }
+ }
+ } catch (IOException e) {
+ log.error(e);
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.local.ui.TrayIconDialogInterface#setShutdownHook(at.gv.egiz
+ * .bku.local.ui.BKUControllerInterface)
+ */
+ public void setShutdownHook(BKUControllerInterface shutDown) {
+ this.shutDown = shutDown;
+ }
+
+ @SuppressWarnings("unchecked")
+ public synchronized static TrayIconDialogInterface getInstance() {
+ ClassLoader cl = TrayIconDialog.class.getClassLoader();
+ if (instance == null) {
+ if (cl.toString().equals(cl.getParent().toString())) {
+ instance = new TrayIconDialog();
+ return instance;
+ }
+ ClassLoader parent = cl;
+ while (!parent.toString().equals(cl.getParent().toString())) {
+ parent = parent.getParent();
+ }
+ try {
+ Class<TrayIconDialog> otherClassInstance = (Class<TrayIconDialog>) parent
+ .loadClass(TrayIconDialog.class.getName());
+ Method getInstanceMethod = otherClassInstance.getDeclaredMethod(
+ "getInstance", new Class[] {});
+ Object otherSingleton = getInstanceMethod.invoke(null, new Object[] {});
+ instance = (TrayIconDialogInterface) Proxy.newProxyInstance(cl,
+ new Class[] { TrayIconDialogInterface.class },
+ new PassThroughProxyHandler(otherSingleton));
+ } catch (ClassNotFoundException ce) {
+ instance = new TrayIconDialog();
+ } catch (Exception e) {
+ log.error(e);
+ instance = new TrayIconDialog();
+ }
+ return instance;
+ }
+ return instance;
+ }
+
+ /**
+ *
+ * Only works for public methods
+ *
+ */
+ static class PassThroughProxyHandler implements InvocationHandler {
+ private final Object delegate;
+
+ public PassThroughProxyHandler(Object delegate) {
+ this.delegate = delegate;
+ }
+
+ public Object invoke(Object proxy, Method method, Object[] args)
+ throws Throwable {
+ Method delegateMethod = delegate.getClass().getMethod(method.getName(),
+ method.getParameterTypes());
+ return delegateMethod.invoke(delegate, args);
+ }
+ }
+
+}
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialogInterface.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialogInterface.java
new file mode 100644
index 00000000..078844cb
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/ui/TrayIconDialogInterface.java
@@ -0,0 +1,33 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.webstart.ui;
+
+import java.util.ResourceBundle;
+
+public interface TrayIconDialogInterface {
+
+ public abstract void displayInfo(String captionID, String messageID);
+
+ public abstract void displayWarning(String captionID, String messageID);
+
+ public abstract void displayError(String captionID, String messageID);
+
+ public abstract void init(ResourceBundle resourceBundel);
+
+ public abstract void setShutdownHook(BKUControllerInterface shutDown);
+
+} \ No newline at end of file