// $Id: JUploadApplet.java 750 2009-05-06 14:36:50Z etienne_sf $
   //
   // jupload - A file upload applet.
   // Copyright 2007 The JUpload Team
   //
   // Created: ?
   // Creator: William JinHua Kwong
   // Last modified: $Date: 2009-05-06 16:36:50 +0200 (mer., 06 mai 2009) $
   //
  // This program is free software; you can redistribute it and/or modify it under
  // the terms of the GNU General Public License as published by the Free Software
  // Foundation; either version 2 of the License, or (at your option) any later
  // version. This program is distributed in the hope that it will be useful, but
  // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  // details. You should have received a copy of the GNU General Public License
  // along with this program; if not, write to the Free Software Foundation, Inc.,
  // 675 Mass Ave, Cambridge, MA 02139, USA.
  
  package wjhk.jupload2.context;
  
  import java.awt.Cursor;
  import java.awt.Frame;
  import java.io.InputStream;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.text.MessageFormat;
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.List;
  import java.util.Locale;
  import java.util.Properties;
  import java.util.Vector;
  
  import javax.swing.JApplet;
  import javax.swing.JOptionPane;
  import javax.swing.RootPaneContainer;
  import javax.swing.SwingUtilities;
  
  import wjhk.jupload2.exception.JUploadException;
  import wjhk.jupload2.gui.JUploadPanel;
  import wjhk.jupload2.gui.JUploadPanelImpl;
  import wjhk.jupload2.gui.JUploadTextArea;
  import wjhk.jupload2.gui.filepanel.FilePanel.FileListViewMode;
  import wjhk.jupload2.policies.UploadPolicy;
  import wjhk.jupload2.policies.UploadPolicyFactory;
  import wjhk.jupload2.upload.FileUploadManagerThread;
  
  /**
   * The Jupload Context. One such context is created at run time. It can be the Applet, or the 'main' class, depending on
   * the launch type. <BR>
   * It contains the call to the creation of the {@link wjhk.jupload2.gui.JUploadPanel}, which contains the real code, and
   * some technical stuff that depend on the technical context (mainly applet or stand alone application). <BR>
   * The functional control of JUpload is done by using {@link UploadPolicy}. This class should not be changed, in order
   * to remain compatible with next JUpload releases. <BR>
   * <BR>
   * <B>Technical note:</B> This class should be abstract. But it is used by the build.xml file, to load the version. So
   * all methods of the {@link JUploadContext} interface are implemented. Those who actually can't be coded here, just
   * generate a UnsupportedOperationException exception.
   * 
   * @author etienne_sf
   * @version $Revision: 750 $
   */
  public class DefaultJUploadContext implements JUploadContext {
  
      /**
       * The final that contains the SVN properties. These properties are generated during compilation, by the build.xml
       * ant file.
       */
      private final static String SVN_PROPERTIES_FILENAME = "/conf/svn.properties";
  
      /**
       * Used as default value when calling getProperty, to identify missing properties, and have a correct behavior in
       * this case.
       */
      private final static String DEFAULT_PROP_UNKNOWN = "Unknown";
  
      /**
       * The properties, created at build time, by the build.xml ant file. Or a dummy property set, with 'unknown' values.
       */
      Properties svnProperties = getSvnProperties();
  
      /**
       * The frame that contains the application. Mainly used to attached modal dialog.
       */
      Frame frame = null;
  
      /**
       * variable to hold reference to JavascriptHandler object
       */
      JavascriptHandler jsHandler = null;
  
      /**
       * the mime type list, coming from: http://www.mimetype.org/ Thanks to them!
       */
      Properties mimeTypesProperties = null;
  
      /**
       * The current upload policy. This class is responsible for the call to the UploadPolicyFactory.
      */
     UploadPolicy uploadPolicy = null;
 
     /**
      * The JUploadPanel, which actually contains all the applet components.
      */
     JUploadPanel jUploadPanel = null;
 
     /**
      * The log messages should go there ...
      */
     JUploadTextArea logWindow = null;
 
     /**
      * This class represent the Callback method. It is then possible to run the
      * {@link JUploadContext#registerUnload(Object, String)} method to register new callback methods. These callback
      * methods are executed when the applet or the application closes, by calling the {@link JUploadContext#runUnload()}
      * method.
      */
     static class Callback {
         private String method;
 
         private Object object;
 
         Callback(Object object, String method) {
             this.object = object;
             this.method = method;
         }
 
         void invoke() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException,
                 SecurityException {
             Object args[] = {};
             Method methods[] = this.object.getClass().getMethods();
             for (int i = 0; i < methods.length; i++) {
                 if (methods[i].getName().equals(this.method)) {
                     methods[i].invoke(this.object, args);
                 }
             }
         }
 
         /**
          * @return the method
          */
         public String getMethod() {
             return method;
         }
 
         /**
          * @return the object
          */
         public Object getObject() {
             return object;
         }
 
     }
 
     /**
      * All registered callbacks.
      * 
      * @see Callback
      */
     List<Callback> unloadCallbacks = new ArrayList<Callback>(20);
 
     /**
      * Reaction on the start of the applet: creation of each specific item of the GUI, and the upload policy. <BR>
      * This method needs that the initialization of the called is finished. For instance, {@link JUploadContextApplet}
      * needs to have set theApplet, to be able to properly execute some method calls that are in the init() method. So
      * we can not do this initialization in the constructor of DefaultJUploadContext.
      * 
      * @param frame The frame that contains the application. Mainly used to attached modal dialog.
      * @param rootPaneContainer The mother window (JApplet, JFrame...), which contains the rootPaneContainer. Used to
      *            set the {@link JUploadPanel} in it.
      */
     public void init(Frame frame, RootPaneContainer rootPaneContainer) {
         try {
             this.frame = frame;
 
             // The standard thread name is: thread
             // applet-wjhk.jupload2.JUploadApplet.class
             // Too long ! :-)
             Thread.currentThread().setName(rootPaneContainer.getClass().getName());
 
             // The logWindow must exist before the uploadPolicy creation. But it
             // needs the uploadPolicy, to know the logging parameters. We'll set
             // the uploadPolicy just after.
             this.logWindow = new JUploadTextArea(20, 20, this.uploadPolicy);
 
             // Now we can create the upload policy: the logWindow exists.
             this.uploadPolicy = UploadPolicyFactory.getUploadPolicy(this);
             this.uploadPolicy.displayDebug("After UploadPolicyFactory.getUploadPolicy(this)", 80);
 
             // We set the uploadPolicy to the logWindow. The logThread starts,
             // and it register its unload method, to be called when the JUpload
             // finishes.
             this.uploadPolicy.displayDebug("Before this.logWindow.setUploadPolicy(this.uploadPolicy)", 80);
             this.logWindow.setUploadPolicy(this.uploadPolicy);
 
             // getMainPanel().setLayout(new BorderLayout());
             this.uploadPolicy.displayDebug("Before new JUploadPanelImpl(this.logWindow,this.uploadPolicy)", 80);
             this.jUploadPanel = new JUploadPanelImpl(this.logWindow, this.uploadPolicy);
 
             // getMainPanel().add(this.jUploadPanel, BorderLayout.CENTER);
             this.uploadPolicy.displayDebug("Before rootPaneContainer.setContentPane(this.jUploadPanel);", 80);
             rootPaneContainer.setContentPane(this.jUploadPanel.getJComponent());
 
             // We start the jsHandler thread, that allows javascript to send
             // upload command to the applet.
             this.uploadPolicy.displayDebug("Before new JavascriptHandler(this.uploadPolicy, this.jUploadPanel)", 80);
             this.jsHandler = new JavascriptHandler(this.uploadPolicy, this.jUploadPanel);
             this.jsHandler.start();
             // Then we register the unload method, that'll be called like all
             // unload callbacks when the applet is stopped.
             registerUnload(this, "unload");
         } catch (final Exception e) {
             System.out.println(e.getMessage());
             e.printStackTrace();
             // TODO Translate this sentence
             JOptionPane.showMessageDialog(null,
                     "Error during applet initialization!\nHave a look in your Java console (" + e.getClass().getName()
                             + ")", "Error", JOptionPane.ERROR_MESSAGE);
         }
 
         this.uploadPolicy.displayDebug("Before new Properties();", 80);
         this.mimeTypesProperties = new Properties();
         final String mimetypePropertiesFilename = "/conf/mimetypes.properties";
         try {
             InputStream isProperties = this.getClass().getResourceAsStream(mimetypePropertiesFilename);
             this.mimeTypesProperties.load(isProperties);
             isProperties.close();
             this.uploadPolicy.displayDebug("Mime types list loaded Ok (" + mimetypePropertiesFilename + ")", 50);
         } catch (Exception e) {
             this.uploadPolicy.displayWarn("Unable to load the mime types list (" + mimetypePropertiesFilename + "): "
                     + e.getClass().getName() + " (" + e.getMessage() + ")");
         }
 
         this.uploadPolicy.displayDebug("End of DefaultJUploadContext.init()", 80);
     }
 
     /**
      * This method is called when the applet is unloaded (actually, when it is stopped). it is registered as a callback
      * in the {@link #init(Frame, RootPaneContainer)}, here above.
      */
     public void unload() {
         if (this.jsHandler != null && this.jsHandler.isAlive()) {
             this.jsHandler.interrupt();
             this.jsHandler = null;
         }
     }
 
     /** {@inheritDoc} */
     public String getDetailedVersionMessage() {
         String version = getVersion();
         String svnRevision = getSvnRevision();
         boolean gotSvnRevision = !svnRevision.equals(DEFAULT_PROP_UNKNOWN);
         int buildNumber = getBuildNumber();
         boolean gotBuildNumber = buildNumber > 0;
         String buildDate = getBuildDate();
         boolean gotBuildDate = !buildDate.equals(DEFAULT_PROP_UNKNOWN);
 
         StringBuffer sb = new StringBuffer();
         sb.append(version);
 
         if (gotSvnRevision || gotBuildNumber) {
             sb.append(" [");
             String space = "";
             if (gotSvnRevision) {
                 sb.append("SVN-Rev: ");
                 sb.append(svnRevision);
                 space = " ";
             }
             if (gotBuildNumber) {
                 sb.append(space);
                 sb.append("build ");
                 sb.append(buildNumber);
             }
             sb.append("]");
         }
 
         if (gotBuildDate) {
             sb.append(" - ");
             sb.append(buildDate);
         }
         return sb.toString();
     }
 
     /** {@inheritDoc} */
     public String getVersion() {
         return getProperty("jupload.version", DEFAULT_PROP_UNKNOWN);
     }
 
     /** {@inheritDoc} */
     public String getSvnRevision() {
         String svnRevision = getProperty("jupload.svn.revision", DEFAULT_PROP_UNKNOWN);
         if (svnRevision.startsWith("{") || svnRevision.startsWith("${")) {
             // This particular case should not happen with standard maven build.
             // But it occurs when launching after an eclipse automatic build.
             // Returning DEFAULT_PROP_UNKNOWN in this case, make the applet
             // behave like if it was built by maven.
             return DEFAULT_PROP_UNKNOWN;
         } else {
             return svnRevision;
         }
     }
 
     /** {@inheritDoc} */
     public String getLastModified() {
         return getProperty("jupload.lastSrcDirModificationDate", DEFAULT_PROP_UNKNOWN);
     }
 
     /** {@inheritDoc} */
     public String getBuildDate() {
         String timestamp = getProperty("jupload.buildTimestamp", DEFAULT_PROP_UNKNOWN);
         if (timestamp.equals(DEFAULT_PROP_UNKNOWN)) {
             return DEFAULT_PROP_UNKNOWN;
         } else {
             Locale locale = Locale.getDefault();
             if (this.uploadPolicy != null) {
                 locale = this.uploadPolicy.getLocale();
             }
             MessageFormat msgFormat = new MessageFormat("{0,date,medium}", locale);
             try {
                 Object[] args = {
                     new Date(Long.parseLong(timestamp))
                 };
                 return msgFormat.format(args);
             } catch (NumberFormatException e) {
                 // uploadPolicy is null at startup.
                 // TODO Better handling logging, here
                 System.out.println("[WARN] The timestamp can not be read (" + timestamp + "). Will return '"
                         + DEFAULT_PROP_UNKNOWN + "'.");
                 return DEFAULT_PROP_UNKNOWN;
             }
         }
     }
 
     /** {@inheritDoc} */
     public int getBuildNumber() {
         String valuePropBuildNumber = getProperty("jupload.buildNumber", "-1");
         try {
             return Integer.parseInt(valuePropBuildNumber);
         } catch (java.lang.NumberFormatException e) {
             System.out.println("[WARN] " + e.getClass().getName() + " when getting the buildNumber, while parsing '"
                     + valuePropBuildNumber + "'). Will return -1");
             return -1;
         }
     }
 
     /**
      * Try to get a property from the loaded properties. If the property is not available, the default value is
      * returned.
      * 
      * @param propertyName
      * @param defaultValue
      * @return
      */
     private String getProperty(String propertyName, String defaultValue) {
         String value = null;
         try {
             value = this.svnProperties.getProperty(propertyName);
         } catch (Exception e) {
             System.out.println("[WARN] " + e.getClass().getName() + " when getting the " + propertyName + " property ("
                     + e.getMessage() + "). Will return '" + value + "'");
         }
         return (value == null) ? defaultValue : value;
     }
 
     /** {@inheritDoc} */
     public JUploadTextArea getLogWindow() {
         return this.logWindow;
     }
 
     /** {@inheritDoc} */
     public String getMimeType(String fileExtension) {
         String mimeType = this.mimeTypesProperties.getProperty(fileExtension.toLowerCase());
         return (mimeType == null) ? "application/octet-stream" : mimeType;
     }
 
     /** {@inheritDoc} */
     public JUploadPanel getUploadPanel() {
         return this.jUploadPanel;
     }
 
     /**
      * Retrieves the current upload policy. The JUploadContext is responsible for storing the UploadPolicy associated
      * with the current instance.
      * 
      * @return the current upload policy of this instance.
      * @throws JUploadException
      */
     public UploadPolicy getUploadPolicy() throws JUploadException {
         return this.uploadPolicy;
     }
 
     // ///////////////////////////////////////////////////////////////////////////////////////////////////////:
     // //////////////// FUNCTIONS INTENDED TO BE CALLED BY JAVASCRIPT FUNCTIONS
     // ////////////////////////////:
     // ///////////////////////////////////////////////////////////////////////////////////////////////////////:
 
     /**
      * This allow runtime modifications of properties, from javascript. Currently, this can only be used after full
      * initialization. This method only calls the UploadPolicy.setProperty method. <BR>
      * Ex: document.jupload.setProperty(prop, value);
      * 
      * @param prop The property name that must be set.
      * @param value The value of this property.
      */
     public void setProperty(String prop, String value) {
         // FIXME setProperty should use jsHandler
         class PropertySetter implements Runnable {
             String prop;
 
             String value;
 
             PropertySetter(String prop, String value) {
                 this.prop = prop;
                 this.value = value;
             }
 
             public void run() {
                 try {
                     // We'll wait up to 2s until the applet initialized (we need an upload policy).
                     // FIXME should be done in a separate thread (block the browser)
                     for (int i = 0; i < 20 && uploadPolicy == null; i += 1) {
                         this.wait(100);
                     }
                     if (uploadPolicy == null) {
                         System.out.println("uploadPolicy is null. Impossible to set " + prop + " to " + value);
                     } else {
                         // FIXME There should be a boolean: initialized, to indicate when property may be set.
                         uploadPolicy.setProperty(prop, value);
                     }
                 } catch (Exception e) {
                     uploadPolicy.displayErr(e);
                 }
             }
         }
         try {
             SwingUtilities.invokeLater(new PropertySetter(prop, value));
         } catch (Exception e) {
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayErr(e);
             } else {
                 System.out.println(e.getClass().getName() + ": " + e.getMessage());
             }
         }
     }
 
     /** {@inheritDoc} */
     public String startUpload() {
         return this.jsHandler.doCommand(JavascriptHandler.COMMAND_START_UPLOAD);
     }
 
     /**
      * Call to {@link UploadPolicy#displayErr(Exception)}
      * 
      * @param err The error text to be displayed.
      */
     public void displayErr(String err) {
         this.uploadPolicy.displayErr(err);
     }
 
     /**
      * Call to {@link UploadPolicy#displayInfo(String)}
      * 
      * @param info The info text to display
      */
     public void displayInfo(String info) {
         this.uploadPolicy.displayInfo(info);
     }
 
     /**
      * Call to {@link UploadPolicy#displayWarn(String)}
      * 
      * @param warn The error text to be displayed.
      */
     public void displayWarn(String warn) {
         this.uploadPolicy.displayWarn(warn);
     }
 
     /**
      * Call to {@link UploadPolicy#displayDebug(String, int)}
      * 
      * @param debug The debug message.
      * @param minDebugLevel The minimum level that debug level should have, to display this message. Values can go from
      *            0 to 100.
      */
     public void displayDebug(String debug, int minDebugLevel) {
         this.uploadPolicy.displayDebug(debug, minDebugLevel);
     }
 
     // /////////////////////////////////////////////////////////////////////////
     // ////////////////////// Helper functions
     // /////////////////////////////////////////////////////////////////////////
 
     /**
      * Helper function, to get the Revision number, if available. The applet must be built from the build.xml ant file.
      * 
      * @return The svn properties
      */
     public static Properties getSvnProperties() {
         Properties properties = new Properties();
         Boolean bPropertiesLoaded = false;
 
         // Let's try to load the properties file.
         // The upload policy is not created yet: we can not use its display
         // methods to trace what is happening here.
         try {
             InputStream isProperties = Class.forName("wjhk.jupload2.JUploadApplet").getResourceAsStream(
                     SVN_PROPERTIES_FILENAME);
             properties.load(isProperties);
             isProperties.close();
             bPropertiesLoaded = true;
         } catch (Exception e) {
             // An error occurred when reading the file. The applet was
             // probably not built with the build.xml ant file.
             // We'll create a fake property list. See below.
 
             // We can not output to the uploadPolicy display method, as the
             // upload policy is not created yet. We output to the system output.
             // Consequence: if this doesn't work during build, you'll see an
             // error during the build: the generated file name will contain the
             // following error message.
             System.out.println(e.getClass().getName() + " in DefaultJUploadContext.getSvnProperties() ("
                     + e.getMessage() + ")");
         }
 
         // If we could not read the property file. The applet was probably not
         // built with the build.xml ant file, we create a fake property list.
         if (!bPropertiesLoaded) {
             properties.setProperty("buildDate", "Unknown build date (please use the build.xml ant script)");
             properties.setProperty("lastSrcDirModificationDate",
                     "Unknown last modification date (please use the build.xml ant script)");
             properties.setProperty("revision", "Unknown revision (please use the build.xml ant script)");
         }
         return properties;
     }
 
     /** {@inheritDoc} */
     public void registerUnload(Object object, String method) {
         // We insert each item at the beginning, so that the callbacks are
         // called in the reverse order of the order in which they were
         // registered.
         // For instance: the removal of the log file is the first one to be
         // registered ... and must be the last one to be executed.
         this.unloadCallbacks.add(0, new Callback(object, method));
     }
 
     /** {@inheritDoc} */
     public synchronized void runUnload() {
         // If an upload is runing on, we have to stop it.
         FileUploadManagerThread fileUploadManagerThread = this.getUploadPanel().getFileUploadManagerThread();
         if (fileUploadManagerThread != null) {
             fileUploadManagerThread.stopUpload();
         }
 
         // Then we call all unload callback.
         for (Callback callback : this.unloadCallbacks) {
             try {
                 callback.invoke();
             } catch (Exception e) {
                 System.out.println(e.getClass().getName() + " while calling the callback: "
                         + callback.getObject().getClass().getName() + "." + callback.getMethod());
                 e.printStackTrace();
             }
         }
         this.unloadCallbacks.clear();
     }
 
     /**
      * Displays the debug information for the current parameter.
      */
     void displayDebugParameterValue(String key, String value) {
         if (this.uploadPolicy != null && this.uploadPolicy.getDebugLevel() >= 80) {
             this.uploadPolicy.displayDebug("Parameter '" + key + "' loaded. Value: " + value, 80);
         }
     }
 
     /** {@inheritDoc} */
     public int parseInt(String value, int def) {
         int ret = def;
         // Then, parse it as an integer.
         try {
             ret = Integer.parseInt(value);
         } catch (NumberFormatException e) {
             ret = def;
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayWarn("Invalid int value: " + value + ", using default value: " + def);
             }
         }
 
         return ret;
     }
 
     /** {@inheritDoc} */
     public float parseFloat(String value, float def) {
         float ret = def;
         // Then, parse it as an integer.
         try {
             ret = Float.parseFloat(value);
         } catch (NumberFormatException e) {
             ret = def;
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayWarn("Invalid float value: " + value + ", using default value: " + def);
             }
         }
 
         return ret;
     }
 
     /** {@inheritDoc} */
     public long parseLong(String value, long def) {
         long ret = def;
         // Then, parse it as an integer.
         try {
             ret = Long.parseLong(value);
         } catch (NumberFormatException e) {
             ret = def;
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayWarn("Invalid long value: " + value + ", using default value: " + def);
             }
         }
 
         return ret;
     }
 
     /** {@inheritDoc} */
     public boolean parseBoolean(String value, boolean def) {
         // Then, parse it as a boolean.
         if (value.toUpperCase().equals("FALSE")) {
             return false;
         } else if (value.toUpperCase().equals("TRUE")) {
             return true;
         } else {
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayWarn("Invalid boolean value: " + value + ", using default value: " + def);
             }
             return def;
         }
     }
 
     /** {@inheritDoc} */
     public FileListViewMode parseFileListViewMode(String value, FileListViewMode def) {
         FileListViewMode ret = null;
         try {
             ret = FileListViewMode.valueOf(value.toUpperCase());
         } catch (IllegalArgumentException e) {
             ret = def;
             String msg = "Unknown FileListViewMode value '" + value + "'. Using default value: '" + def.toString()
                     + "'";
             if (this.uploadPolicy != null) {
                 this.uploadPolicy.displayWarn(msg);
             } else {
                 System.out.println(msg);
             }
         }
         return ret;
     }
 
     /**
      * @return The cursor that was active before the call to this method
      * @see JUploadContext#setCursor(Cursor)
      */
     public Cursor setWaitCursor() {
         return setCursor(new Cursor(Cursor.WAIT_CURSOR));
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param url
      * @param success
      */
     public void displayURL(String url, boolean success) {
         throw new UnsupportedOperationException("DefaultJUploadContext.displayURL()");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @return Not used
      */
     public JApplet getApplet() {
         throw new UnsupportedOperationException("DefaultJUploadContext.getApplet()");
     }
 
     /** @see JUploadContext#getFrame() */
     public Frame getFrame() {
         return this.frame;
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @return Not used.
      */
     public Cursor getCursor() {
         throw new UnsupportedOperationException("DefaultJUploadContext.getCursor()");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public String getParameter(String key, String def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, String)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public int getParameter(String key, int def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, int))");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public float getParameter(String key, float def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, float)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public long getParameter(String key, long def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, long)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public boolean getParameter(String key, boolean def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, boolean)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param key
      * @param def
      * @return Not used
      */
     public FileListViewMode getParameter(String key, FileListViewMode def) {
         throw new UnsupportedOperationException("DefaultJUploadContext.getParameter(String, FileListViewMode)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param url
      * @return Not used
      * @throws JUploadException
      */
     public String normalizeURL(String url) throws JUploadException {
         throw new UnsupportedOperationException("DefaultJUploadContext.normalizeURL()");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param headers
      */
     public void readCookieFromNavigator(Vector<String> headers) {
         throw new UnsupportedOperationException("DefaultJUploadContext.readCookieFromNavigator()");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param headers
      */
     public void readUserAgentFromNavigator(Vector<String> headers) {
         throw new UnsupportedOperationException("DefaultJUploadContext.readUserAgentFromNavigator()");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param cursor
      * @return Not used
      */
     public Cursor setCursor(Cursor cursor) {
         throw new UnsupportedOperationException("DefaultJUploadContext.setCursor(Cursor)");
     }
 
     /**
      * Just throws a UnsupportedOperationException exception.
      * 
      * @param status
      */
     public void showStatus(String status) {
         throw new UnsupportedOperationException("DefaultJUploadContext.showStatus()");
     }
 
 }