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com.port80.util.attr
Class PointFactory  

java.lang.Object
  com.port80.util.attr.PointFactory

All Implemented Interfaces:

IAttrFactory

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public class PointFactory

extends java.lang.Object

implements IAttrFactory

Point attribute factory. Since .dot file have coordinate system with origin at lower-left corner instead of upper-left corner used in java.awt, coordinates need to be converted when reading or writing to .dot file. DotMode convert between the two systems.

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Field Summary
private static PointFactory	instance
private static boolean	isDotMode
private static double	maxY
private static java.lang.String	NAME

 

Constructor Summary
private	PointFactory()

 

Method Summary
static java.awt.geom.Point2D	create(java.lang.String stringvalue)
java.lang.Object	createObject(java.lang.String str)           Create an instance of route from the String spec.
static void	dotModeOff()
static void	dotModeOn(double maxy)
static PointFactory	getInstance()
boolean	isValid(java.lang.Object a)           Check that given object is valid value for this factory.
java.lang.Object	promptUser(java.lang.String prompt)           Prompt user and present a user interface to obtain an attribute value from user.
java.lang.String	toString()           The String representation of attribute type itself.
java.lang.String	toString(java.lang.Object attr)           The String representation of an attribute value.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NAME

private static final java.lang.String NAME

See Also:

Constant Field Values

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instance

private static PointFactory instance

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isDotMode

private static boolean isDotMode

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maxY

private static double maxY

Constructor Detail

PointFactory

private PointFactory()

Method Detail

dotModeOn

public static void dotModeOn(double maxy)

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dotModeOff

public static void dotModeOff()

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getInstance

public static PointFactory getInstance()

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create

public static java.awt.geom.Point2D create(java.lang.String stringvalue)

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createObject

public java.lang.Object createObject(java.lang.String str)

Create an instance of route from the String spec. Current accepted .dot file string format: float x,float y

Specified by:

createObject in interface IAttrFactory

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isValid

public boolean isValid(java.lang.Object a)

Description copied from interface: IAttrFactory

Check that given object is valid value for this factory.

Specified by:

isValid in interface IAttrFactory

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toString

public java.lang.String toString(java.lang.Object attr)

The String representation of an attribute value.

Specified by:

toString in interface IAttrFactory

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toString

public java.lang.String toString()

The String representation of attribute type itself.

Specified by:

toString in interface IAttrFactory

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promptUser

public java.lang.Object promptUser(java.lang.String prompt)

Prompt user and present a user interface to obtain an attribute value from user.

Specified by:

promptUser in interface IAttrFactory

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