Package com.singularsys.extexamples.consoles

Class FieldConsole

  • All Implemented Interfaces:
    java.awt.event.KeyListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible
    Direct Known Subclasses:
    ExtensionsConsole
    public class FieldConsole
extends Console
    A console application which can work with a number of different fields. The fields are set using the setfield name option. So setfield rational will use rational numbers. The fields available are:
    • standard - normal jep operations, with most calculations in double and support for boolean, string and complex operations
    • double - all calculations in doubles
    • integer - all calculation in 32 bit integer numbers
    • intdouble - a mix of ints and doubles, similar to the way java calculations with type conversion work. Numbers will be parsed as integers if possible or double if they contain a decimal point; operations on integers yield integers. Hence '5/2' gives 2 rounding as an integer but '5.0/2' gives 2.5.
    • complex - all calculations using complex numbers
    • bigdec - BigDecimal numbers with precision and rounding mode set in second and third arguments
    • bigint - unlimited precision integers
    • rational - unlimited precision rational numbers
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      FieldConsole()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void initBigDec()  
      protected void initBigInt()  
      protected void initComplex()  
      protected void initDouble()
      Initialisation for each field.
      protected void initExactInteger()  
      void initialise()
      sets up all the needed objects.
      protected void initInteger()  
      protected void initMixed()  
      protected void initRational()  
      protected void initStandard()  
      static void main​(java.lang.String[] args)
      Creates a new Console object and calls run()
      void printHelp()
      Print help message.
      void setFormat​(int maxDigits)  
      Console.SPEC_ACTION testSpecialCommands​(java.lang.String command)
      Checks for special commands.
      java.lang.String toString​(java.lang.Object o)
      Return string representation of object.

      • Methods inherited from class java.applet.Applet

        destroy, getAccessibleContext, getAppletContext, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, isValidateRoot, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

      • Methods inherited from class java.awt.Panel

        addNotify

      • Methods inherited from class java.awt.Container

        add, add, add, add, add, addContainerListener, addImpl, 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, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusDownCycle, update, 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, 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, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, 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, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, reshape, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setMixingCutoutShape, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • FieldConsole

        public FieldConsole()

    • Method Detail

      • initialise

        public void initialise()
        Description copied from class: Console
        sets up all the needed objects.
        Overrides:
        initialise in class Console

      • initDouble

        protected void initDouble()
        Initialisation for each field.

      • initStandard

        protected void initStandard()

      • initBigDec

        protected void initBigDec()

      • initBigInt

        protected void initBigInt()

      • initMixed

        protected void initMixed()

      • initInteger

        protected void initInteger()

      • initExactInteger

        protected void initExactInteger()

      • initRational

        protected void initRational()

      • initComplex

        protected void initComplex()

      • testSpecialCommands

        public Console.SPEC_ACTION testSpecialCommands​(java.lang.String command)
        Description copied from class: Console
        Checks for special commands. For example a subclass may have a verbose mode switched on of off using the command 
         verbose on
        This method can be used detected this input, perform required actions and skip normal processing by returning true. In general sub classes should call the superclass methods to test for special commands that class implements
        Overrides:
        testSpecialCommands in class Console
        Returns:
        SPEC_ACTION.CONTINUE - continue processing this equation, SPEC_ACTION.BREAK - stop processing this equation and get the next line of input, SPEC_ACTION.ALTERED - the input text has been altered, SPEC_ACTION.EXIT stop the program
        See Also:
        Console.split(String)

      • toString

        public java.lang.String toString​(java.lang.Object o)
        Description copied from class: Console
        Return string representation of object. Used the doubleFormat if specified.
        Overrides:
        toString in class Console
        Returns:

      • printHelp

        public void printHelp()
        Description copied from class: Console
        Print help message.
        Overrides:
        printHelp in class Console

      • setFormat

        public void setFormat​(int maxDigits)

      • main

        public static void main​(java.lang.String[] args)
        Creates a new Console object and calls run()