// HTMLParser Library $Name: v1_6_20060319 $ - A java-based parser for HTML // http://sourceforge.org/projects/htmlparser // Copyright (C) 2003 Derrick Oswald // // Revision Control Information // // $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/lexerapplications/thumbelina/ThumbelinaFrame.java,v $ // $Author: derrickoswald $ // $Date: 2004/09/02 02:28:14 $ // $Revision: 1.4 $ // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library 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 // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // package org.htmlparser.lexerapplications.thumbelina; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.prefs.BackingStoreException; import java.util.prefs.Preferences; import javax.swing.ImageIcon; import javax.swing.JCheckBoxMenuItem; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JSeparator; import org.htmlparser.lexer.Lexer; /** * Encapsulate a Thumbelina bean and add menu and preferences support. * Provides a JFrame base in which to place a Thumbelina bean, and * adds a menu system with MRU (Most Recently Used) list. * Also provides a Google search capability. * Will eventually provide Javahelp too. */ public class ThumbelinaFrame extends JFrame implements WindowListener, ActionListener, ItemListener, PropertyChangeListener { /** * Window title. */ private static final String TITLE = "Thumbelina"; /** * Preference name for frame location and size. */ private static final String FRAMESIZE = "FrameSize"; /** * Percent of screen to leave as border when no preferences available. */ private static final int BORDERPERCENT = 5; /** * Preference name for most recently used count. */ private static final String MRULENGTH = "MRULength"; /** * Preference name for most recently used maximum count. */ private static final String MRUMAX = "MRUMax"; /** * Preference prefix for most recently used list items. */ private static final String MRUPREFIX = "MRUListItem"; /** * Preference name for google query. */ private static final String GOOGLEQUERY = "GoogleQuery"; /** * Default google query when no preferences are available. */ private static final String DEFAULTGOOGLEQUERY = "thumbs"; /** * List of URLs to prime the MRU list with. */ private static final String[] DEFAULTMRULIST = { "www.a2zcds.com", "www.stoneschool.com/Japan/", "www.tommys-bookmarks.com", "www.unitedmedia.com/comics/dilbert/archive", "www.pastelartists.com", }; /** * Send Mozilla headers in request if <code>true</code>. */ private static final boolean USE_MOZILLA_HEADERS = false; /** * Preference name for status bar visibility state. */ private static final String STATUSBARSTATE = "StatusBarVisible"; /** * Preference name for history list visibility state. */ private static final String HISTORYLISTSTATE = "HistoryListVisible"; /** * Preference name for sequencer active state. */ private static final String SEQUENCERACTIVE = "SequencerActive"; /** * Preference name for background thread active state. */ private static final String BACKGROUNDTHREADACTIVE = "BackgroundThreadActive"; /** * Preference name for sequencer display speed. */ private static final String DISPLAYSPEED = "DisplaySpeed"; /** * Main menu. */ protected JMenuBar mMenu; /** * URL submenu. */ protected JMenu mURL; /** * Open menu item. */ protected JMenuItem mOpen; /** * Google menu item. */ protected JMenuItem mGoogle; /** * MRU list separator #1. */ protected JSeparator mSeparator1; /** * MRU list separator #2. */ protected JSeparator mSeparator2; /** * Exit menu item. */ protected JMenuItem mExit; /** * View submenu. */ protected JMenu mView; /** * Status bar visible menu item. */ protected JCheckBoxMenuItem mStatusVisible; /** * History list visible menu item. */ protected JCheckBoxMenuItem mHistoryVisible; /** * Vommand menu. */ protected JMenu mCommand; /** * Reset menu item. */ protected JMenuItem mReset; /** * Clear menu item */ protected JMenuItem mClear; /** * Help submenu. */ protected JMenu mHelp; /** * About menu item. */ protected JMenuItem mAbout; /** * Construct a new Thumbelina frame with an idle Thumbelina. */ public ThumbelinaFrame () { this (new Thumbelina ()); } /** * Construct a new Thumbelina frame with a Thumbelina primed with one URL. * @param url The URL to prime the Thumbelina with. * @exception MalformedURLException If the given string doesn't represent * a valid url. */ public ThumbelinaFrame (final String url) throws MalformedURLException { this (new Thumbelina (url)); } /** * Construct a new Thumbelina frame with a Thumbelina primed with one URL. * @param url The URL to prime the Thumbelina with. */ public ThumbelinaFrame (final URL url) { this (new Thumbelina (url)); } /** * Construct a new Thumbelina frame with a given Thumbelina. * @param thumbelina The Thumbelina to encapsulate. */ public ThumbelinaFrame (final Thumbelina thumbelina) { setTitle (TITLE); thumbelina.addPropertyChangeListener (this); getContentPane ().add (thumbelina, BorderLayout.CENTER); addWindowListener (this); makeMenu (); setJMenuBar (mMenu); restoreSize (); initState (); updateMenu (); } /** * Access the Thumbelina object contained in the frame. * @return The Thumbelina bean. */ public Thumbelina getThumbelina () { return ((Thumbelina)getContentPane ().getComponent (0)); } /** * Initialize the user preferences. * Reads from the existing user preferences, * or initializes values from the bean directly if they don't exist. * Sets the state of the view checkboxes to match. */ public void initState () { Preferences prefs; prefs = Preferences.userNodeForPackage (getClass ()); if (-1 == prefs.getInt (MRULENGTH, -1)) for (int i = 0; i < DEFAULTMRULIST.length; i++) updateMRU (DEFAULTMRULIST[i]); getThumbelina ().setStatusBarVisible ( prefs.getBoolean (STATUSBARSTATE, getThumbelina ().getStatusBarVisible ())); mStatusVisible.setSelected (getThumbelina ().getStatusBarVisible ()); getThumbelina ().setHistoryListVisible ( prefs.getBoolean (HISTORYLISTSTATE, getThumbelina ().getHistoryListVisible ())); mHistoryVisible.setSelected (getThumbelina ().getHistoryListVisible ()); getThumbelina ().setSequencerActive ( prefs.getBoolean (SEQUENCERACTIVE, getThumbelina ().getSequencerActive ())); getThumbelina ().setBackgroundThreadActive ( prefs.getBoolean (BACKGROUNDTHREADACTIVE, getThumbelina ().getBackgroundThreadActive ())); getThumbelina ().setSpeed ( prefs.getInt (DISPLAYSPEED, getThumbelina ().getSpeed ())); } /** * Saves the current settings in the user preferences. * By default this writes to the thumbelina subdirectory under * .java in the users home directory. */ public void saveState () { Preferences prefs; prefs = Preferences.userNodeForPackage (getClass ()); // don't save size unless we're in normal state if (NORMAL == getExtendedState ()) prefs.put (FRAMESIZE, toString (getBounds ())); prefs.putBoolean (STATUSBARSTATE, getThumbelina ().getStatusBarVisible ()); prefs.putBoolean (HISTORYLISTSTATE, getThumbelina ().getHistoryListVisible ()); prefs.putBoolean (SEQUENCERACTIVE, getThumbelina ().getSequencerActive ()); prefs.putBoolean (BACKGROUNDTHREADACTIVE, getThumbelina ().getBackgroundThreadActive ()); prefs.putInt (DISPLAYSPEED, getThumbelina ().getSpeed ()); try { prefs.flush (); } catch (BackingStoreException bse) { bse.printStackTrace (); } } /** * Sets the frame size if no previous preference has been stored. * It creates a window covering all but <code>BORDERPERCENT</code> * margins. */ public void initSize () { Toolkit tk; Dimension dim; int borderx; int bordery; tk = getToolkit (); dim = tk.getScreenSize (); borderx = dim.width * BORDERPERCENT / 100; bordery = dim.height * BORDERPERCENT / 100; setBounds ( borderx, bordery, dim.width - (2 * borderx), dim.height - (2 * bordery)); } /** * Restores the window size based on stored preferences. * If no preferences exist, it calls <code>initSize()</code>. */ public void restoreSize () { Preferences prefs; String size; Rectangle rectangle; prefs = Preferences.userNodeForPackage (getClass ()); size = prefs.get (FRAMESIZE, ""); if ("".equals (size)) initSize (); else try { rectangle = fromString (size); if (rational (rectangle)) setBounds ( rectangle.x, rectangle.y, rectangle.width, rectangle.height); else initSize (); } catch (IllegalArgumentException iae) { initSize (); } } /** * Converts the rectangle to a string. * The rectangle is converted into a string that is of the form * <pre> * [x,y,width,height]. * </pre> * @return The string equivalent of the rectangle. * @param r The rectangle containing the window position and size, * as returned by <code>getBounds()</code>. */ protected String toString (final Rectangle r) { return ("[" + r.x + "," + r.y + "," + r.width + "," + r.height + "]"); } /** * Convert the given string to a valid rectangle. * The string is converted to a Rectangle. * @param value The value to parse. * @exception IllegalArgumentException if the format does not match the * form "[x,y,width,height]" with all values integers. * @return Returns the rectangle extracted from the string. */ protected Rectangle fromString (final String value) throws IllegalArgumentException { String guts; int current; int[] values; int index; Rectangle ret; try { // parse "[x,y,width,height]" if (value.startsWith ("[") && value.endsWith ("]")) { guts = value.substring (1, value.length () - 1) + ","; current = 0; values = new int[4]; for (int i = 0; i < 4; i++) { index = guts.indexOf (",", current); if (-1 == index) throw new IllegalArgumentException ( "invalid format \"" + value + "\""); else { values[i] = Integer.parseInt ( guts.substring (current, index)); current = index + 1; } } ret = new Rectangle ( values[0], values[1], values[2], values[3]); } else throw new IllegalArgumentException ( "invalid format \"" + value + "\""); } catch (NumberFormatException nfe) { throw new IllegalArgumentException (nfe.getMessage ()); } return (ret); } /** * Check if the rectangle represents a valid screen position and size. * @param r The rectangle to check. * @return <code>true</code> if this could be a valid frame bounds. */ private boolean rational (final Rectangle r) { Toolkit tk; Dimension winsize; tk = getToolkit (); winsize = tk.getScreenSize(); // all elements must be not stupid w.r.t. the screen size // we assume here that that means no more than 10% off screen // on the left, right and bottom sides return ( (r.x >= r.width / -10) && (r.y >= 0) && (r.width > 0) && (r.height > 0) && (r.x + r.width <= winsize.width + r.width / 10) && (r.y + r.height <= winsize.height + r.height / 10)); } /** * Create the menu. * Initializes the menu and adds it to the frame. */ public void makeMenu () { mMenu = new JMenuBar (); mURL = new JMenu (); mOpen = new JMenuItem (); mGoogle = new JMenuItem (); mSeparator1 = new JSeparator (); mSeparator2 = new JSeparator (); mExit = new JMenuItem (); mView = new JMenu (); mStatusVisible = new JCheckBoxMenuItem (); mHistoryVisible = new JCheckBoxMenuItem (); mHelp = new JMenu (); mAbout = new JMenuItem (); mCommand = new JMenu (); mReset = new JMenuItem (); mClear = new JMenuItem (); mURL.setMnemonic ('U'); mURL.setText ("URL"); mOpen.setMnemonic ('O'); mOpen.setText ("Open"); mOpen.setToolTipText ("Open a URL."); mURL.add (mOpen); mGoogle.setMnemonic ('G'); mGoogle.setText ("Google"); mGoogle.setToolTipText ("Search Google."); mURL.add (mGoogle); mURL.add (mSeparator1); mURL.add (mSeparator2); mExit.setMnemonic ('E'); mExit.setText ("Exit"); mExit.setToolTipText ("Quit Thumbelina."); mURL.add (mExit); mMenu.add (mURL); mView.setMnemonic ('V'); mView.setText ("View"); mStatusVisible.setMnemonic ('S'); mStatusVisible.setSelected (getThumbelina ().getStatusBarVisible ()); mStatusVisible.setText ("Status Bar"); mStatusVisible.setToolTipText ("Show/Hide the status bar."); mView.add (mStatusVisible); mHistoryVisible.setMnemonic ('H'); mHistoryVisible.setSelected (getThumbelina ().getHistoryListVisible ()); mHistoryVisible.setText ("History List"); mHistoryVisible.setToolTipText ("Show/Hide the history list."); mView.add (mHistoryVisible); mMenu.add (mView); mCommand.setMnemonic ('C'); mCommand.setText ("Command"); mReset.setMnemonic ('R'); mReset.setText ("Reset"); mReset.setToolTipText ("Reset Thumbelina."); mClear.setMnemonic ('L'); mClear.setText ("Clear"); mClear.setToolTipText ("Clear display."); mCommand.add (mReset); mCommand.add (mClear); mCommand.add (mHelp); mMenu.add (mCommand); mHelp.setMnemonic ('H'); mHelp.setText ("Help"); mAbout.setMnemonic ('A'); mAbout.setText ("About"); mAbout.setToolTipText ("Information about Thumbelina."); mHelp.add (mAbout); mMenu.add (mHelp); mOpen.addActionListener (this); mGoogle.addActionListener (this); mExit.addActionListener (this); mStatusVisible.addItemListener (this); mHistoryVisible.addItemListener (this); mReset.addActionListener (this); mClear.addActionListener (this); mAbout.addActionListener (this); } /** * Adjusts the menu, by inserting the current MRU list. * Removes the old MRU (Most Recently Used) items and inserts new * ones betweeen the two separators. */ public void updateMenu () { Preferences prefs; int start; int end; Component component; JMenuItem item; int count; String string; prefs = Preferences.userNodeForPackage (getClass ()); start = -1; end = -1; for (int i = 0; i < mURL.getItemCount (); i++) { component = mURL.getMenuComponent (i); if (component == mSeparator1) start = i + 1; else if (component == mSeparator2) end = i; } if ((-1 != start) && (-1 != end)) { for (int i = start; i < end; i++) mURL.remove (start); count = prefs.getInt (MRULENGTH, 0); for (int i = 0; i < count; i++) { string = prefs.get (MRUPREFIX + i, ""); if (!"".equals (string)) { item = new JMenuItem (); item.setActionCommand (string); if (string.length () > 40) string = string.substring (0, 38) + "..."; item.setText (string); item.addActionListener (this); mURL.add (item, start++); } } } } // // WindowListener interface // /** * Invoked the first time a window is made visible. * <i>Not used.</i> * @param event The window event. */ public void windowOpened (final WindowEvent event) { } /** * Handles window closing event. * Performs function <code>exitApplication()</code>. * @param event The window event. */ public void windowClosing (final WindowEvent event) { exit (); } /** * Invoked when a window has been closed as the result * of calling dispose on the window. * <i>Not used.</i> * @param event The window event. */ public void windowClosed (final WindowEvent event) { } /** * Invoked when a window is changed from a normal to a * minimized state. For many platforms, a minimized window * is displayed as the icon specified in the window's * iconImage property. * <i>Not used.</i> * @param event The window event. */ public void windowIconified (final WindowEvent event) { } /** * Invoked when a window is changed from a minimized * to a normal state. * <i>Not used.</i> * @param event The window event. */ public void windowDeiconified (final WindowEvent event) { } /** * Invoked when the window is set to be the user's * active window, which means the window (or one of its * subcomponents) will receive keyboard events. * <i>Not used.</i> * @param event The window event. */ public void windowActivated (final WindowEvent event) { } /** * Invoked when a window is no longer the user's active * window, which means that keyboard events will no longer * be delivered to the window or its subcomponents. * <i>Not used.</i> * @param event The window event. */ public void windowDeactivated (final WindowEvent event) { } // // ActionListener interface // /** * Handles events from the menu. * Based on the action of the event, executes the necessary subroutine. * @param actionEvent The event describing the user action. */ public void actionPerformed (final ActionEvent actionEvent) { String action; action = actionEvent.getActionCommand (); if (action.equals ("Open")) open (); else if (action.equals ("Google")) googlesearch (); else if (action.equals ("Reset")) getThumbelina ().reset (); else if (action.equals ("Clear")) getThumbelina ().getPicturePanel ().reset (); else if (action.equals ("About")) about (); else if (action.equals ("Exit")) exit (); else { // must be a URL from the most recently used list getThumbelina ().open (action); updateMRU (action); updateMenu (); } } // // ItemListener interface // /** * Handles selections on the view state checkboxes. * @param event The event describing the checkbox affected. */ public void itemStateChanged (final ItemEvent event) { Object source; boolean visible; source = event.getItemSelectable (); visible = ItemEvent.SELECTED == event.getStateChange (); if (source == mStatusVisible) getThumbelina ().setStatusBarVisible (visible); else if (source == mHistoryVisible) getThumbelina ().setHistoryListVisible (visible); } // // PropertyChangeListener // /** * Handle a property change. * @param event The property old and new values. */ public void propertyChange (final PropertyChangeEvent event) { String url; if (event.getPropertyName ().equals ( Thumbelina.PROP_CURRENT_URL_PROPERTY)) { url = (String)event.getNewValue (); if (null == url) setTitle ("Thumbelina"); else setTitle ("Thumbelina - " + url); } } /** * Updates the user preferences based on the most recently used list. * @param url The URL that is to be placed at the top of the MRU list. */ public void updateMRU (String url) { Preferences prefs; int count; ArrayList list; String string; int max; if (url.startsWith ("http://")) url = url.substring (7); prefs = Preferences.userNodeForPackage (getClass ()); count = prefs.getInt (MRULENGTH, -1); list = new ArrayList (); for (int i = 0; i < count; i++) { string = prefs.get (MRUPREFIX + i, ""); if (!"".equals (string) && !url.equalsIgnoreCase (string)) list.add (string); } list.add (0, url); max = prefs.getInt (MRUMAX, -1); if (-1 == max) max = 8; while (list.size () > max) list.remove (max); prefs.putInt (MRULENGTH, list.size ()); prefs.putInt (MRUMAX, max); for (int i = 0; i < list.size (); i++) prefs.put (MRUPREFIX + i, (String)list.get (i)); try { prefs.flush (); } catch (BackingStoreException bse) { bse.printStackTrace (); } } /** * Opens a user specified URL. */ public void open () { String result; result = JOptionPane.showInputDialog ( this, "Enter the URL:", "Open URL", JOptionPane.PLAIN_MESSAGE); if (null != result) { getThumbelina ().open (result); updateMRU (result); updateMenu (); } } /** * Query google via user specified keywords and queue results. * Asks the user for keywords, and then submits them as input to the * usual google form: * <pre> * <form action="/search" name=f> * <span id=hf></span> * <table cellspacing=0 cellpadding=0> * <tr valign=middle> * <td width=75> </td> * <td align=center> * <input maxLength=256 size=55 name=q value=""> * <input type=hidden name=ie value="UTF-8"> * <input type=hidden name=oe value="UTF-8"> * <input name=hl type=hidden value=en><br> * <input type=submit value="Google Search" name=btnG> * <input type=submit value="I'm Feeling Lucky" name=btnI> * </td> * <td valign=top nowrap><font size=-2> *  • <a href=/advanced_search?hl=en>Advanced Search</a> * <br> • <a href=/preferences?hl=en>Preferences</a> * <br> • <a href=/language_tools?hl=en>Language Tools</a> * </font> * </td> * </tr> * <tr> * <td colspan=3 align=center><font size=-1> * Search: <input id=all type=radio name=meta value="" checked> * <label for=all> the web</label> * <input id=cty type=radio name=meta value="cr=countryCA" > * <label for=cty>pages from Canada</label> * </font> * </td> * </tr> * </table> * </form> * </pre> * Creates a query of the form: * <pre> * http://www.google.ca/search?hl=en&ie=UTF-8&oe=UTF-8&q=thumbs&btnG=Google+Search&meta= * </pre> */ public void googlesearch () { Preferences prefs; String query; String terms; StringBuffer buffer; HttpURLConnection connection; URL url; Lexer lexer; URL[][] results; prefs = Preferences.userNodeForPackage (getClass ()); query = prefs.get (GOOGLEQUERY, DEFAULTGOOGLEQUERY); try { query = (String)JOptionPane.showInputDialog ( this, "Enter the search term:", "Search Google", JOptionPane.PLAIN_MESSAGE, null, null, query); if (null != query) { // replace spaces with + terms = query.replace (' ', '+'); buffer = new StringBuffer (1024); buffer.append ("http://www.google.ca/search?"); buffer.append ("q="); buffer.append (terms); buffer.append ("&ie=UTF-8"); buffer.append ("&oe=UTF-8"); buffer.append ("&hl=en"); buffer.append ("&btnG=Google+Search"); buffer.append ("&meta="); url = new URL (buffer.toString ()); connection = (HttpURLConnection)url.openConnection (); if (USE_MOZILLA_HEADERS) { // These are the Mozilla header fields: //Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,video/x-mng,image/png,image/jpeg,image/gif;q=0.2,text/css,*/*;q=0.1 //Accept-Language: en-us, en;q=0.50 //Connection: keep-alive //Host: grc.com //Referer: https://grc.com/x/ne.dll?bh0bkyd2 //User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225 //Content-Length: 27 //Content-Type: application/x-www-form-urlencoded //Accept-Encoding: gzip, deflate, compress;q=0.9 //Accept-Charset: ISO-8859-1, utf-8;q=0.66, *;q=0.66 //Keep-Alive: 300 connection.setRequestProperty ("Referer", "http://www.google.ca"); connection.setRequestProperty ("Accept", "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,video/x-mng,image/png,image/jpeg,image/gif;q=0.2,text/css,*/*;q=0.1"); connection.setRequestProperty ("Accept-Language", "en-us, en;q=0.50"); connection.setRequestProperty ("User-Agent", "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225"); connection.setRequestProperty ("Accept-Charset", "ISO-8859-1, utf-8;q=0.66, *;q=0.66"); } else { // These are the IE header fields: //Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */* //Accept-Language: en-ca //Connection: Keep-Alive //Host: grc.com //User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; trieste; .NET CLR 1.1.4322; .NET CLR 1.0.3705) //Content-Length: 32 //Content-Type: application/x-www-form-urlencoded //Accept-Encoding: gzip, deflate //Cache-Control: no-cache connection.setRequestProperty ("Accept", "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*"); connection.setRequestProperty ("Accept-Language", "en-ca"); connection.setRequestProperty ("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; trieste; .NET CLR 1.1.4322; .NET CLR 1.0.3705)"); } connection.setDoOutput (true); connection.setDoInput (true); connection.setUseCaches (false); lexer = new Lexer (connection); results = getThumbelina ().extractImageLinks (lexer, url); // add 'em getThumbelina ().reset (); // remove google links, not just append (results[1]); for (int i = 0; i < results[1].length; i++) { String found = results[1][i].toExternalForm (); if (-1 == found.indexOf ("google")) getThumbelina ().append (results[1][i]); } prefs.put (GOOGLEQUERY, query); try { prefs.flush (); } catch (BackingStoreException bse) { bse.printStackTrace (); } } } catch (Exception e) { System.out.println (e.getMessage ()); } } /** * Display information about Thumbelina. */ public void about () { URL url; try { url = new URL ("http://sourceforge.net/sflogo.php?group_id=24399"); } catch (MalformedURLException murle) { url = null; } JOptionPane.showMessageDialog ( this, "Scan and display the images behind thumbnails.\n" + "\n" + "An example application using the HTML Parser project.\n" + "Visit http://htmlparser.sourceforge.org for the latest\n" + "version and source code.\n", "Thumbelina - About", JOptionPane.PLAIN_MESSAGE, new ImageIcon (url)); } /** * Exits the application. * Saves user preferences before exiting. */ public void exit () { saveState (); System.exit (0); } /** * Alternate mainline for Thumbelina. * Similar code exists in the Thumbelina class, but this version doesn't * worry about java version. * @param args The command line arguments. * Optionally, arg[0] can be the URL to preload the Thumeblina bean with. */ public static void main (final String[] args) { String url; ThumbelinaFrame thumbelina; System.setProperty ("sun.net.client.defaultReadTimeout", "7000"); System.setProperty ("sun.net.client.defaultConnectTimeout", "7000"); url = null; if (0 != args.length) if (args[0].equalsIgnoreCase ("help") || args[0].equalsIgnoreCase ("-help") || args[0].equalsIgnoreCase ("-h") || args[0].equalsIgnoreCase ("?") || args[0].equalsIgnoreCase ("-?")) Thumbelina.help (); else url = args[0]; try { thumbelina = new ThumbelinaFrame (url); thumbelina.setVisible (true); } catch (MalformedURLException murle) { System.err.println (murle.getMessage ()); Thumbelina.help (); } } }