Class FishClient

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Window
                    |
                    +--java.awt.Frame
                          |
                          +--javax.swing.JFrame
                                |
                                +--FishClientGUI
                                      |
                                      +--FishClient

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.event.ActionListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.RootPaneContainer, java.io.Serializable, javax.swing.WindowConstants

public class FishClient

extends FishClientGUI

implements java.awt.event.ActionListener

FISH for ducks client. Used to connect to servers to share, search and download files from other clients.

Version:

1.0

Author:

Björn Bertilsson

See Also:

Serialized Form

Nested Class Summary

class	FishClient.FishTable Extended JTable to implement read-only cells.
class	FishClient.ResultPost Container to keep searchresults.

Nested classes inherited from class javax.swing.JFrame

javax.swing.JFrame.AccessibleJFrame

Nested classes inherited from class java.awt.Frame

java.awt.Frame.AccessibleAWTFrame

Nested classes inherited from class java.awt.Window

java.awt.Window.AccessibleAWTWindow

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

protected static javax.swing.JButton	capDldDone Set by download to trigger an update if file is downloaded in shared file path.
protected static java.io.File	downloadDir Contains a link to the download directory.
protected static java.util.Vector	fileList Contains the current set of files shared by local user.
protected static boolean	updateOnDownload Indicates if download should trigger an update to the share.

Fields inherited from class javax.swing.JFrame

accessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Frame

CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface javax.swing.WindowConstants

DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

FishClient()
Build the client GUI, add actionlisteners and start clients serverpart.

Method Summary

void	actionPerformed(java.awt.event.ActionEvent ae) Eventhandler for the GUI.
void	clearSearch() Clears the search results.
void	connect() Try to connect to a FishServer and authorize with it.
void	createDownloadDir(java.lang.String directory) Creates a download subdirectory in current directory.
void	disconnect() Nicely unshare files at server and then disconnects.
static java.awt.Image	getJarImage(java.lang.String jarFile, java.lang.String imageName) Reads out and returns an image from a Jar-file (max 100kB).
static void	main(java.lang.String[] args) Main function to start the client.
void	pingServer() Ping the server and gets serverstatistics in return to display in logwindow.
java.lang.String	readLine() Reads a line from the server.
java.lang.String	readLineLow() Reads a line from the server and convert it to lowercase.
java.lang.String	readLineLowExc() Reads a line from the server and convert it to lowercase.
void	recurseDir(java.io.File file, boolean recurse) The actually search for files, and it can recurse through subdirectories.
void	search() Send a searchrequest to the server and then save the result and present it in the GUI.
void	sendShare() Sends the info of the local shared files to the server.
void	share() Checks if directory is valid and then gets the files and saves them in a local vector.
void	shareDialog() Pops up a dialoag to choose which directory with files to share.
void	unshare() Tells the server to remove all files shared by this client and then clear the local list of shared files.
static void	writeLog(java.lang.String msg) Write to the top of the log in the GUI.

Methods inherited from class FishClientGUI

buildGUI, processWindowEvent

Methods inherited from class javax.swing.JFrame

addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, remove, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.awt.Frame

addNotify, finalize, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setIconImage, setMaximizedBounds, setMenuBar, setResizable, setState, setTitle, setUndecorated

Methods inherited from class java.awt.Window

addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getMostRecentFocusOwner, getOwnedWindows, getOwner, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindowStateListeners, hide, isActive, isFocusableWindow, isFocusCycleRoot, isFocused, isShowing, pack, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, setCursor, setFocusableWindowState, setFocusCycleRoot, setLocationRelativeTo, show, toBack, toFront

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.awt.MenuContainer

getFont, postEvent

Field Detail

fileList

protected static java.util.Vector fileList

Contains the current set of files shared by local user.

downloadDir

protected static java.io.File downloadDir

Contains a link to the download directory.

capDldDone

protected static javax.swing.JButton capDldDone

Set by download to trigger an update if file is downloaded in shared file path.

updateOnDownload

protected static boolean updateOnDownload

Indicates if download should trigger an update to the share.

Constructor Detail

FishClient

public FishClient()

Build the client GUI, add actionlisteners and start clients serverpart.

Method Detail

main

public static void main(java.lang.String[] args)

Main function to start the client.

Parameters:

args - Contains arguments specified by user at commandline when starting the FishClient. They will be ignored.

createDownloadDir

public void createDownloadDir(java.lang.String directory)

Creates a download subdirectory in current directory.

Parameters:

directory - Name of subdirectory to be created.

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent ae)

Eventhandler for the GUI.

Specified by:

actionPerformed in interface java.awt.event.ActionListener

pingServer

public void pingServer()

Ping the server and gets serverstatistics in return to display in logwindow. Disconnects client if server doesn't respond on the second try.

search

public void search()

Send a searchrequest to the server and then save the result and present it in the GUI.

clearSearch

public void clearSearch()

Clears the search results.

shareDialog

public void shareDialog()

Pops up a dialoag to choose which directory with files to share. It recurse through subdirectories as default but it can be turned off in the dialog. You can't share 0 files if you want to connect to the server, that isn't good manner.

share

public void share()

Checks if directory is valid and then gets the files and saves them in a local vector.

recurseDir

public void recurseDir(java.io.File file,
                       boolean recurse)

The actually search for files, and it can recurse through subdirectories.

Parameters:

file - Directory to start the search at

recurse - Set true if recursing through subdirectories should be done.

sendShare

public void sendShare()

Sends the info of the local shared files to the server.

unshare

public void unshare()

Tells the server to remove all files shared by this client and then clear the local list of shared files.

connect

public void connect()

Try to connect to a FishServer and authorize with it.

disconnect

public void disconnect()

Nicely unshare files at server and then disconnects.

readLine

public java.lang.String readLine()

Reads a line from the server.

Returns:

Read line from the server. Null if exception is thrown.

readLineLow

public java.lang.String readLineLow()

Reads a line from the server and convert it to lowercase.

Returns:

Read line in lowercase from the server. Null if exception is thrown.

readLineLowExc

public java.lang.String readLineLowExc()
                                throws java.io.IOException

Reads a line from the server and convert it to lowercase.

Returns:

Read line from the server.

Throws:

java.io.IOException - Thrown when read from server fails.

writeLog

public static void writeLog(java.lang.String msg)

Write to the top of the log in the GUI. If more then 200 lines, then clear the 50 first lines.

Parameters:

msg - Message to be displayd in the log.

getJarImage

public static java.awt.Image getJarImage(java.lang.String jarFile,
                                         java.lang.String imageName)

Reads out and returns an image from a Jar-file (max 100kB). Only GIF and JPG images can be handled .

Parameters:

jarFile - Filename of the Jar-file containing the image.

imageName - Image file to be read from the Jar-file.

Returns:

The extracted image specified.