com.softsynth.tools.jsyn
Class CheckForJSyn

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Panel
              com.softsynth.tools.jsyn.CheckForJSyn

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible

public class CheckForJSyn
extends java.awt.Panel

Check status of the JSyn plugin installation. Call this at the beginning of an Applet to make sure JSyn is installed. If not installed then you can put up a GUI telling the user where to get JSyn. For example:

        public void start()
        {
    // Make sure JSyn is available.
        int jsynStatus = CheckForJSyn.getStatus();
        if( jsynStatus != CheckForJSyn.AVAILABLE )
        {
            setLayout( new BorderLayout() );
            add( "Center", new CheckForJSyn( this ).setupGUI( jsynStatus ) );
                    getParent().validate();
                    getToolkit().sync();
            return;
        }

        continue with normal start code

Author:

Phil Burk (C) 2002 Phil Burk

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.BaselineResizeBehavior

Field Summary

static int	AVAILABLE
static int	CLASSES_MISSING
static int	NATIVE_LIBRARY_MISSING
static int	OBSOLETE

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

CheckForJSyn(java.applet.Applet applet)

Method Summary

static int	getStatus() Check for proper installation of JSyn plugin.
static java.lang.String	getStatusText(int status) Return helpful text based on the JSyn plugin status.
static void	main(java.lang.String[] args)
CheckForJSyn	setupGUI(int jsynStatus) Displays an error message and provides a button that users can click to download JSyn.

Methods inherited from class java.awt.Panel

addNotify, getAccessibleContext

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, validate

Methods inherited from class java.awt.Component

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

Methods inherited from class java.lang.Object

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

Field Detail

AVAILABLE

public static final int AVAILABLE

See Also:

Constant Field Values

CLASSES_MISSING

public static final int CLASSES_MISSING

See Also:

Constant Field Values

NATIVE_LIBRARY_MISSING

public static final int NATIVE_LIBRARY_MISSING

See Also:

Constant Field Values

OBSOLETE

public static final int OBSOLETE

See Also:

Constant Field Values

Constructor Detail

CheckForJSyn

public CheckForJSyn(java.applet.Applet applet)

Method Detail

main

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

setupGUI

public CheckForJSyn setupGUI(int jsynStatus)

Displays an error message and provides a button that users can click to download JSyn. Generally, only call this if (jsynStatus != AVAILABLE)

getStatusText

public static java.lang.String getStatusText(int status)

Return helpful text based on the JSyn plugin status. Informs user how to correct problem.

getStatus

public static int getStatus()

Check for proper installation of JSyn plugin.

Returns:

version if installed, CLASSES_MISSING, NATIVE_LIBRARY_MISSING or OBSOLETE.