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// HTMLParser Library $Name: v1_5 $ - 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 true.
*/
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 BORDERPERCENT
* 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 initSize().
*/
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
*
* [x,y,width,height].
*
* @return The string equivalent of the rectangle.
* @param r The rectangle containing the window position and size,
* as returned by getBounds().
*/
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 true 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.
* Not used.
* @param event The window event.
*/
public void windowOpened (final WindowEvent event)
{
}
/**
* Handles window closing event.
* Performs function exitApplication().
* @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.
* Not used.
* @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.
* Not used.
* @param event The window event.
*/
public void windowIconified (final WindowEvent event)
{
}
/**
* Invoked when a window is changed from a minimized
* to a normal state.
* Not used.
* @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.
* Not used.
* @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.
* Not used.
* @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:
*
*
*
* http://www.google.ca/search?hl=en&ie=UTF-8&oe=UTF-8&q=thumbs&btnG=Google+Search&meta=
*
*/
public void googlesearch ()
{
Preferences prefs;
String query;
String terms;
StringBuilder 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 StringBuilder (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 ();
}
}
}