[#484] European Language support

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@535 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

2 files changed, 369 insertions, 285 deletions

diff --git a/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/BKUApplet.java b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/BKUApplet.java
index 6346b7f4..7a15f7a5 100644
--- a/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/BKUApplet.java
+++ b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/BKUApplet.java
@@ -16,6 +16,7 @@
  */
 package at.gv.egiz.bku.online.applet;
 
+import at.gv.egiz.bku.online.applet.viewer.URLFontLoader;
 import at.gv.egiz.bku.gui.BKUGUIFacade.Style;
 import at.gv.egiz.bku.gui.DefaultHelpListener;
 import at.gv.egiz.bku.gui.AbstractHelpListener;
@@ -25,6 +26,8 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.Locale;
 
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.net.ssl.HttpsURLConnection;
 import javax.swing.JApplet;
 import javax.swing.JPanel;
@@ -34,6 +37,7 @@ import org.apache.commons.logging.LogFactory;
 
 import at.gv.egiz.bku.gui.BKUGUIFacade;
 import at.gv.egiz.bku.gui.BKUGUIImpl;
+import at.gv.egiz.bku.gui.viewer.FontProvider;
 import at.gv.egiz.stal.service.STALPortType;
 import at.gv.egiz.stal.service.STALService;
 import java.applet.AppletContext;
@@ -46,289 +50,287 @@ import javax.xml.namespace.QName;
  * Note: all swing code is executed by the event dispatch thread (see
  * BKUGUIFacade)
  */
-public class BKUApplet extends JApplet { 
-
-	private static final long serialVersionUID = 1L;
-
-	private static Log log = LogFactory.getLog(BKUApplet.class);
-	/**
-	 * Applet parameter keys
-	 */
-	public static final String GUI_STYLE = "GuiStyle";
-	public final static String LOCALE = "Locale";
-	public final static String WSDL_URL = "WSDL_URL";
-	public static final String HASHDATA_DISPLAY = "HashDataDisplay";
-	public final static String HASHDATA_URL = "HashDataURL";
-	public final static String HELP_URL = "HelpURL";
-	public final static String SESSION_ID = "SessionID";
-	public static final String BACKGROUND_IMG = "Background";
-	public static final String BACKGROUND_COLOR = "BackgroundColor";
-	public static final String REDIRECT_URL = "RedirectURL";
-	public static final String REDIRECT_TARGET = "RedirectTarget";
-	public static final String HASHDATA_DISPLAY_FRAME = "frame";
-	/**
-	 * STAL WSDL namespace and service name
-	 */
-	public static final String STAL_WSDL_NS = "http://www.egiz.gv.at/wsdl/stal";
-	public static final String STAL_SERVICE = "STALService";
-	/**
-	 * Dummy session id, used if no sessionId parameter is provided
-	 */
-	protected static final String TEST_SESSION_ID = "TestSession";
-
-	static {
-		if (log.isTraceEnabled()) {
-			log.trace("enabling webservice communication dump");
-			System
-					.setProperty(
-							"com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump",
-							"true");
-		}
-	}
-
-	/**
-	 * STAL
-	 */
-	protected AppletBKUWorker worker;
-	protected Thread workerThread;
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see java.applet.Applet#getParameterInfo()
-	 */
-	@Override
-	public String[][] getParameterInfo() {
-		return new String[][] {
-				{ WSDL_URL, "url",
-						"URL of the WSDL of the MOCCA server side STAL" },
-				{ REDIRECT_URL, "url",
-						"URL to redirect the browser to when finished" },
-				{ REDIRECT_TARGET, "frame target",
-						"name of the target frame for redirection when finished" },
-				{ LOCALE, "locale",
-						"locale for UI localization (optional, default: system default)" },
-				{ GUI_STYLE, "simple, advanced, tiny",
-						"GUI style (optional, default: simple)" },
-				{ BACKGROUND_COLOR, "#hhhhhh",
-						"background color, e.g. '#333333' (optional, default: look and feel dependend)" },
-				{ BACKGROUND_IMG, "url",
-						"URL of a background image for the GUI (optional, default: no image)" },
-				{ HELP_URL, "url",
-						"URL for locating help files, e.g. '../help/' (no help provided if missing)" } };
-	}
-
-	/**
-	 * Factory method to create and wire HelpListener, GUI and BKUWorker.
-	 * (Config via applet parameters, see BKUApplet.* constants)
-	 */
-	@Override
-	public void init() {
-		log.info("Welcome to MOCCA");
-		log.trace("Called init()");
-
-		HttpsURLConnection.setDefaultSSLSocketFactory(InternalSSLSocketFactory
-				.getInstance());
-
-		String locale = getParameter(LOCALE);
-		if (locale != null) {
-			this.setLocale(new Locale(locale));
-		}
-		log.trace("default locale: " + Locale.getDefault());
-		log.debug("setting locale: " + getLocale());
-
-		BKUGUIFacade.Style guiStyle;
-		String guiStyleParam = getParameter(GUI_STYLE);
-		if ("advanced".equals(guiStyleParam)) {
-			guiStyle = BKUGUIFacade.Style.advanced;
-		} else if ("tiny".equals(guiStyleParam)) {
-			guiStyle = BKUGUIFacade.Style.tiny;
-		} else {
-			guiStyle = BKUGUIFacade.Style.simple;
-		}
-		log.debug("setting gui-style: " + guiStyle);
-
-		URL backgroundImgURL = null;
-		try {
-			backgroundImgURL = getURLParameter(BACKGROUND_IMG, null);
-			log.debug("setting background: " + backgroundImgURL);
-		} catch (MalformedURLException ex) {
-			log.warn("cannot load applet background image: " + ex.getMessage());
-		}
-
-		AbstractHelpListener helpListener = null;
-		try {
-			helpListener = new DefaultHelpListener(getAppletContext(),
-					getURLParameter(HELP_URL, null), getLocale());
-			if (log.isDebugEnabled()) {
-				log
-						.debug("setting helpURL: "
-								+ getURLParameter(HELP_URL, null));
-			}
-		} catch (MalformedURLException ex) {
-			log.warn("failed to load help URL: " + ex.getMessage()
-					+ ", disabling help");
-		}
-
-		SwitchFocusListener switchFocusListener = new SwitchFocusListener(
-				getAppletContext(), "focusToBrowser()");
-
-		// Note: We need a panel in order to be able to set the background
-		// properly.
-		// Setting the background without a panel has side effects with the
-		// different java plugins.
-		JPanel contentPanel = new JPanel();
-		getContentPane().add(contentPanel);
-
-		String backgroundColor = getParameter(BACKGROUND_COLOR);
-		if (backgroundColor != null && backgroundColor.startsWith("#")) {
-			try {
-				Color color = new Color(Integer.parseInt(backgroundColor
-						.substring(1), 16));
-				log.debug("setting background color to " + color);
-				contentPanel.setBackground(color);
-			} catch (NumberFormatException e) {
-				log.debug("failed to set background color '" + backgroundColor
-						+ "'");
-			}
-		}
-
-		BKUGUIFacade gui = createGUI(contentPanel, getLocale(), guiStyle,
-				backgroundImgURL, helpListener, switchFocusListener);
-
-		worker = createBKUWorker(this, gui);
-	}
-
-	@Override
-	public void start() {
-		log.trace("Called start()");
-		workerThread = new Thread(worker);
-		workerThread.start();
-	}
-
-	@Override
-	public void stop() {
-		log.trace("Called stop()");
-		if ((workerThread != null) && (workerThread.isAlive())) {
-			workerThread.interrupt();
-		}
-	}
-
-	@Override
-	public void destroy() {
-		log.trace("Called destroy()");
-	}
-
-	// ///////////////////////////////////////////////////////////////////////////
-	// factory methods for subclasses to inject different components
-	// ///////////////////////////////////////////////////////////////////////////
-
-	protected BKUGUIFacade createGUI(Container contentPane, Locale locale,
-			Style guiStyle, URL backgroundImgURL,
-			AbstractHelpListener helpListener,
-			SwitchFocusListener switchFocusListener) {
-		return new BKUGUIImpl(contentPane, locale, guiStyle, backgroundImgURL,
-				helpListener, switchFocusListener);
-	}
-
-	protected AppletBKUWorker createBKUWorker(BKUApplet applet, BKUGUIFacade gui) {
-		return new AppletBKUWorker(applet, gui);
-	}
-
-	// ///////////////////////////////////////////////////////////////////////////
-	// callback for BKUWorker to allow extension
-	// ///////////////////////////////////////////////////////////////////////////
-
-	/**
-	 * Callback for BKUWorker to allow extension
-	 * 
-	 * @return
-	 * @throws java.net.MalformedURLException
-	 */
-	public STALPortType getSTALPort() throws MalformedURLException {
-		URL wsdlURL = getURLParameter(WSDL_URL, null);
-		log.debug("setting STAL WSDL: " + wsdlURL);
-		QName endpointName = new QName(STAL_WSDL_NS, STAL_SERVICE);
-		STALService stal = new STALService(wsdlURL, endpointName);
-		return stal.getSTALPort();
-	}
-
-	/**
-	 * Callback for BKUWorker to allow extension (TODO STALPort could know its
-	 * STALTranslator)
-	 * 
-	 * @return
-	 * @throws java.net.MalformedURLException
-	 */
-	public STALTranslator getSTALTranslator() {
-		return new STALTranslator();
-	}
-
-	/**
-	 * Callback for BKUWorker to keep applet context out of BKUWorker
-	 * 
-	 * @return
-	 * @throws java.net.MalformedURLException
-	 */
-	protected void sendRedirect(String sessionId) {
-		try {
-			AppletContext ctx = getAppletContext();
-			if (ctx == null) {
-				log
-						.error("no applet context (applet might already have been destroyed)");
-				return;
-			}
-			URL redirectURL = getURLParameter(REDIRECT_URL, sessionId);
-			String redirectTarget = getParameter(REDIRECT_TARGET);
-			if (redirectTarget == null) {
-				log.info("Done. Redirecting to " + redirectURL + " ...");
-				ctx.showDocument(redirectURL);
-			} else {
-				log.info("Done. Redirecting to " + redirectURL + " (target="
-						+ redirectTarget + ") ...");
-				ctx.showDocument(redirectURL, redirectTarget);
-			}
-		} catch (MalformedURLException ex) {
-			log.warn("Failed to redirect: " + ex.getMessage(), ex);
-			// gui.showErrorDialog(errorMsg, okListener, actionCommand)
-		}
-	}
-
-	public void getFocusFromBrowser() {
-
-		worker.getFocusFromBrowser();
-	}
-
-	// ///////////////////////////////////////////////////////////////////////////
-	// utility methods
-	// ///////////////////////////////////////////////////////////////////////////
-
-	protected URL getURLParameter(String paramKey, String sessionId)
-			throws MalformedURLException {
-		String urlParam = getParameter(paramKey);
-		if (urlParam != null && !"".equals(urlParam)) {
-			URL codebase = getCodeBase();
-			try {
-				URL url;
-				if (codebase.getProtocol().equalsIgnoreCase("file")) {
-					// for debugging in appletrunner
-					url = new URL(urlParam);
-				} else {
-					if (sessionId != null) {
-						urlParam = urlParam + ";jsessionid=" + sessionId;
-					}
-					url = new URL(codebase, urlParam);
-				}
-				return url;
-			} catch (MalformedURLException ex) {
-				log.error("applet paremeter " + urlParam
-						+ " is not a valid URL: " + ex.getMessage());
-				throw ex;
-			}
-		} else {
-			log.error("applet paremeter " + paramKey + " not set");
-			throw new MalformedURLException(paramKey + " not set");
-		}
-	}
-
+public class BKUApplet extends JApplet {
+
+  private static final long serialVersionUID = 1L;
+  private static Log log = LogFactory.getLog(BKUApplet.class);
+  /**
+   * Applet parameter keys
+   */
+  public static final String GUI_STYLE = "GuiStyle";
+  public final static String LOCALE = "Locale";
+  public final static String WSDL_URL = "WSDL_URL";
+  public static final String HASHDATA_DISPLAY = "HashDataDisplay";
+  public final static String HASHDATA_URL = "HashDataURL";
+  public final static String HELP_URL = "HelpURL";
+  public final static String SESSION_ID = "SessionID";
+  public static final String BACKGROUND_IMG = "Background";
+  public static final String BACKGROUND_COLOR = "BackgroundColor";
+  public static final String REDIRECT_URL = "RedirectURL";
+  public static final String REDIRECT_TARGET = "RedirectTarget";
+  public static final String HASHDATA_DISPLAY_FRAME = "frame";
+  /**
+   * STAL WSDL namespace and service name
+   */
+  public static final String STAL_WSDL_NS = "http://www.egiz.gv.at/wsdl/stal";
+  public static final String STAL_SERVICE = "STALService";
+  /**
+   * Dummy session id, used if no sessionId parameter is provided
+   */
+  protected static final String TEST_SESSION_ID = "TestSession";
+
+  static {
+    if (log.isTraceEnabled()) {
+      log.trace("enabling webservice communication dump");
+      System.setProperty(
+              "com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump",
+              "true");
+    }
+  }
+  /**
+   * STAL
+   */
+  protected AppletBKUWorker worker;
+  protected Thread workerThread;
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see java.applet.Applet#getParameterInfo()
+   */
+  @Override
+  public String[][] getParameterInfo() {
+    return new String[][]{
+              {WSDL_URL, "url",
+                "URL of the WSDL of the MOCCA server side STAL"},
+              {REDIRECT_URL, "url",
+                "URL to redirect the browser to when finished"},
+              {REDIRECT_TARGET, "frame target",
+                "name of the target frame for redirection when finished"},
+              {LOCALE, "locale",
+                "locale for UI localization (optional, default: system default)"},
+              {GUI_STYLE, "simple, advanced, tiny",
+                "GUI style (optional, default: simple)"},
+              {BACKGROUND_COLOR, "#hhhhhh",
+                "background color, e.g. '#333333' (optional, default: look and feel dependend)"},
+              {BACKGROUND_IMG, "url",
+                "URL of a background image for the GUI (optional, default: no image)"},
+              {HELP_URL, "url",
+                "URL for locating help files, e.g. '../help/' (no help provided if missing)"}};
+  }
+
+  /**
+   * Factory method to create and wire HelpListener, GUI and BKUWorker.
+   * (Config via applet parameters, see BKUApplet.* constants)
+   */
+  @Override
+  public void init() {
+    log.info("Welcome to MOCCA");
+    log.trace("Called init()");
+    showStatus("Initializing MOCCA applet");
+
+    HttpsURLConnection.setDefaultSSLSocketFactory(InternalSSLSocketFactory.getInstance());
+
+    String locale = getParameter(LOCALE);
+    if (locale != null) {
+      this.setLocale(new Locale(locale));
+    }
+    log.trace("default locale: " + Locale.getDefault());
+    log.debug("setting locale: " + getLocale());
+
+    BKUGUIFacade.Style guiStyle;
+    String guiStyleParam = getParameter(GUI_STYLE);
+    if ("advanced".equals(guiStyleParam)) {
+      guiStyle = BKUGUIFacade.Style.advanced;
+    } else if ("tiny".equals(guiStyleParam)) {
+      guiStyle = BKUGUIFacade.Style.tiny;
+    } else {
+      guiStyle = BKUGUIFacade.Style.simple;
+    }
+    log.debug("setting gui-style: " + guiStyle);
+
+    URL backgroundImgURL = null;
+    try {
+      backgroundImgURL = getURLParameter(BACKGROUND_IMG, null);
+      log.debug("setting background: " + backgroundImgURL);
+    } catch (MalformedURLException ex) {
+      log.warn("cannot load applet background image: " + ex.getMessage());
+    }
+
+    AbstractHelpListener helpListener = null;
+    try {
+      helpListener = new DefaultHelpListener(getAppletContext(),
+              getURLParameter(HELP_URL, null), getLocale());
+      if (log.isDebugEnabled()) {
+        log.debug("setting helpURL: " + getURLParameter(HELP_URL, null));
+      }
+    } catch (MalformedURLException ex) {
+      log.warn("failed to load help URL: " + ex.getMessage() + ", disabling help");
+    }
+
+    SwitchFocusListener switchFocusListener = new SwitchFocusListener(
+            getAppletContext(), "focusToBrowser()");
+
+    // Note: We need a panel in order to be able to set the background
+    // properly.
+    // Setting the background without a panel has side effects with the
+    // different java plugins.
+    JPanel contentPanel = new JPanel();
+    getContentPane().add(contentPanel);
+
+    String backgroundColor = getParameter(BACKGROUND_COLOR);
+    if (backgroundColor != null && backgroundColor.startsWith("#")) {
+      try {
+        Color color = new Color(Integer.parseInt(backgroundColor.substring(1), 16));
+        log.debug("setting background color to " + color);
+        contentPanel.setBackground(color);
+      } catch (NumberFormatException e) {
+        log.debug("failed to set background color '" + backgroundColor + "'");
+      }
+    }
+
+    try {
+      URLFontLoader fontProvider = new URLFontLoader(getCodeBase());
+      fontProvider.loadInBackground();
+      BKUGUIFacade gui = createGUI(contentPanel, getLocale(), guiStyle,
+              backgroundImgURL, fontProvider, helpListener, switchFocusListener);
+
+      worker = createBKUWorker(this, gui);
+    } catch (MalformedURLException ex) {
+      log.fatal("failed to load font provider URL", ex);
+      System.err.println("invalid font provider URL " + ex.getMessage());
+    }
+  }
+
+  @Override
+  public void start() {
+    log.trace("Called start()");
+    if (worker != null) {
+      showStatus("Starting MOCCA applet");
+      workerThread = new Thread(worker);
+      workerThread.start();
+    } else {
+      log.debug("cannot start uninitialzed MOCCA applet");
+    }
+  }
+
+  @Override
+  public void stop() {
+    log.trace("Called stop()");
+    showStatus("Stopping MOCCA applet");
+    if ((workerThread != null) && (workerThread.isAlive())) {
+      workerThread.interrupt();
+    }
+  }
+
+  @Override
+  public void destroy() {
+    log.trace("Called destroy()");
+  }
+
+  // ///////////////////////////////////////////////////////////////////////////
+  // factory methods for subclasses to inject different components
+  // ///////////////////////////////////////////////////////////////////////////
+  protected BKUGUIFacade createGUI(Container contentPane, Locale locale,
+          Style guiStyle, URL backgroundImgURL,
+          FontProvider fontProvider, AbstractHelpListener helpListener,
+          SwitchFocusListener switchFocusListener) {
+    return new BKUGUIImpl(contentPane, locale, guiStyle, backgroundImgURL,
+            fontProvider, helpListener, switchFocusListener);
+  }
+
+  protected AppletBKUWorker createBKUWorker(BKUApplet applet, BKUGUIFacade gui) {
+    return new AppletBKUWorker(applet, gui);
+  }
+
+  // ///////////////////////////////////////////////////////////////////////////
+  // callback for BKUWorker to allow extension
+  // ///////////////////////////////////////////////////////////////////////////
+  /**
+   * Callback for BKUWorker to allow extension
+   *
+   * @return
+   * @throws java.net.MalformedURLException
+   */
+  public STALPortType getSTALPort() throws MalformedURLException {
+    URL wsdlURL = getURLParameter(WSDL_URL, null);
+    log.debug("setting STAL WSDL: " + wsdlURL);
+    QName endpointName = new QName(STAL_WSDL_NS, STAL_SERVICE);
+    STALService stal = new STALService(wsdlURL, endpointName);
+    return stal.getSTALPort();
+  }
+
+  /**
+   * Callback for BKUWorker to allow extension (TODO STALPort could know its
+   * STALTranslator)
+   *
+   * @return
+   * @throws java.net.MalformedURLException
+   */
+  public STALTranslator getSTALTranslator() {
+    return new STALTranslator();
+  }
+
+  /**
+   * Callback for BKUWorker to keep applet context out of BKUWorker
+   *
+   * @return
+   * @throws java.net.MalformedURLException
+   */
+  protected void sendRedirect(String sessionId) {
+    try {
+      AppletContext ctx = getAppletContext();
+      if (ctx == null) {
+        log.error("no applet context (applet might already have been destroyed)");
+        return;
+      }
+      URL redirectURL = getURLParameter(REDIRECT_URL, sessionId);
+      String redirectTarget = getParameter(REDIRECT_TARGET);
+      if (redirectTarget == null) {
+        log.info("Done. Redirecting to " + redirectURL + " ...");
+        ctx.showDocument(redirectURL);
+      } else {
+        log.info("Done. Redirecting to " + redirectURL + " (target=" + redirectTarget + ") ...");
+        ctx.showDocument(redirectURL, redirectTarget);
+      }
+    } catch (MalformedURLException ex) {
+      log.warn("Failed to redirect: " + ex.getMessage(), ex);
+      // gui.showErrorDialog(errorMsg, okListener, actionCommand)
+    }
+  }
+
+  public void getFocusFromBrowser() {
+
+    worker.getFocusFromBrowser();
+  }
+
+  // ///////////////////////////////////////////////////////////////////////////
+  // utility methods
+  // ///////////////////////////////////////////////////////////////////////////
+  protected URL getURLParameter(String paramKey, String sessionId)
+          throws MalformedURLException {
+    String urlParam = getParameter(paramKey);
+    if (urlParam != null && !"".equals(urlParam)) {
+      URL codebase = getCodeBase();
+      try {
+        URL url;
+        if (codebase.getProtocol().equalsIgnoreCase("file")) {
+          // for debugging in appletrunner
+          url = new URL(urlParam);
+        } else {
+          if (sessionId != null) {
+            urlParam = urlParam + ";jsessionid=" + sessionId;
+          }
+          url = new URL(codebase, urlParam);
+        }
+        return url;
+      } catch (MalformedURLException ex) {
+        log.error("applet paremeter " + urlParam + " is not a valid URL: " + ex.getMessage());
+        throw ex;
+      }
+    } else {
+      log.error("applet paremeter " + paramKey + " not set");
+      throw new MalformedURLException(paramKey + " not set");
+    }
+  }
 }
diff --git a/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java
new file mode 100644
index 00000000..f914aed7
--- /dev/null
+++ b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java
@@ -0,0 +1,82 @@
+/*
+ * 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.online.applet.viewer;
+
+import at.gv.egiz.bku.gui.viewer.FontProviderException;
+import at.gv.egiz.bku.gui.viewer.FontProvider;
+import java.awt.Font;
+import java.awt.FontFormatException;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.concurrent.ExecutionException;
+import javax.swing.SwingWorker;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ *
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public class URLFontLoader extends SwingWorker<Font, Object> implements FontProvider {
+
+  protected static final Log log = LogFactory.getLog(URLFontLoader.class);
+  protected URL fontURL;
+  protected Font font;
+
+  public URLFontLoader(URL codebase) throws MalformedURLException {
+    this.fontURL = new URL(codebase, SANSMONO_FONT_RESOURCE);
+    if (log.isDebugEnabled()) {
+      log.debug(Thread.currentThread() + " setting font load URL: " + fontURL);
+    }
+  }
+
+  public void loadInBackground() {
+    if (log.isDebugEnabled()) {
+      log.debug(Thread.currentThread() + " scheduling font loading in background: " + fontURL);
+    }
+    this.execute();
+  }
+
+  @Override
+  protected Font doInBackground() throws MalformedURLException, FontFormatException, IOException {
+    if (log.isDebugEnabled()) {
+      log.debug(Thread.currentThread() + " loading font in background...");
+    }
+    return Font.createFont(Font.TRUETYPE_FONT, fontURL.openStream());
+  }
+
+  /**
+   * waits for loadInBackground to finish 
+   * @return the font loaded in loadInbackground
+   * @throws Exception
+   */
+  @Override
+  public Font getFont() throws FontProviderException {
+    log.debug(Thread.currentThread() + " get font");
+    try {
+      return get();
+    } catch (InterruptedException ex) {
+      log.error("font loader interrupted");
+//      Thread.currentThread().interrupt();
+      throw new FontProviderException("font loader interrupted", ex);
+    } catch (ExecutionException ex) {
+      log.error("failed to load font", ex.getCause());
+      throw new FontProviderException("failed to load font", ex.getCause());
+    }
+  }
+}