edu.kzoo.grid.display
Class DefaultDisplayFactory

java.lang.Object
  |
  +--edu.kzoo.grid.display.DefaultDisplayFactory

public class DefaultDisplayFactory

extends java.lang.Object

Grid Display Package:
The DefaultDisplayFactory class contains methods that provide a suitable default display for a given class.

Version:

Mar 1, 2005

Author:

Alyce Brady

Constructor Summary

DefaultDisplayFactory()

Method Summary

static void	addSuffix(java.lang.String suffix) Adds the specified suffix to the list of image suffixes to look for.
static GridObjectDisplay	getDefaultDisplay() Returns a DefaultDisplay object.
static GridObjectDisplay	getDefaultDisplay(java.lang.Class cls) Returns a default display specific to the given class if there is one.
static GridObjectDisplay	getDefaultDisplay(java.lang.String className) Returns a default display specific to the given class if there is one.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultDisplayFactory

public DefaultDisplayFactory()

Method Detail

addSuffix

public static void addSuffix(java.lang.String suffix)

Adds the specified suffix to the list of image suffixes to look for.

Parameters:

suffix - image suffix (e.g., "tiff")

getDefaultDisplay

public static GridObjectDisplay getDefaultDisplay()

Returns a DefaultDisplay object.

getDefaultDisplay

public static GridObjectDisplay getDefaultDisplay(java.lang.Class cls)

Returns a default display specific to the given class if there is one. In the following detailed description of which display object is returned, assume that ClassName is the base class name passed in as a parameter and package is the name of the package in which that class resides. The returned display is:

• a ClassNameDisplay object if there is a a ClassNameDisplay class with a default (no-parameter) constructor in package, in the associated display package (package.display), or in the unnamed default display
• a ScaledImageDisplay object if there is a an image file named ClassName.sfx in the jar file or current directory (where sfx is one of the following suffixes: gif, GIF, jpg, JPG, jpeg, JPEG, or any added with the addSuffix method) If no default display specific to the given class is available, this method returns null.

getDefaultDisplay

public static GridObjectDisplay getDefaultDisplay(java.lang.String className)

Returns a default display specific to the given class if there is one. In the following detailed description of which display object is returned, assume that ClassName is the base class name passed in as a parameter and package is the name of the package in which that class resides. The returned display is:

• a ClassNameDisplay object if there is a a ClassNameDisplay class with a default (no-parameter) constructor in package, in the associated display package (package.display), or in the unnamed default display
• a ScaledImageDisplay object if there is a an image file named ClassName.sfx in the jar file or current directory (where sfx is one of the following suffixes: gif, GIF, jpg, JPG, jpeg, JPEG, or any added with the addSuffix method) If no default display specific to the given class is available, this method returns null.

  Parameters:

  className - the name of the class for which to find a default display