org.chwf.plugin
Class OptionLister

java.lang.Object
  |
  +--org.chwf.plugin.OptionLister

Direct Known Subclasses:

DefaultOptionLister

public abstract class OptionLister

extends java.lang.Object

An abstract superclass for custom option list retrieval for bean filters. It is used to populate data in option lists for bean properties. A custom OptionLister plugin could be defined to load option lists from a relational database rather Chrysalis XML configuration files.

Author:

Paul Strack

Field Summary

static java.lang.String

OPTION_LISTER_ID Id for the option lister plugin in the config file.

Constructor Summary

protected

OptionLister() No-op constructor.

Method Summary

static OptionLister	getInstance() Returns the OptionLister object.
abstract java.util.Map	loadOptionList(java.lang.Class beanClass, java.lang.String property) Load the option list for a JavaBean's property.

Methods inherited from class java.lang.Object

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

Field Detail

OPTION_LISTER_ID

public static final java.lang.String OPTION_LISTER_ID

Id for the option lister plugin in the config file.

Constructor Detail

OptionLister

protected OptionLister()

No-op constructor.

Method Detail

getInstance

public static OptionLister getInstance()

Returns the OptionLister object.

Returns:

The lister.

loadOptionList

public abstract java.util.Map loadOptionList(java.lang.Class beanClass,
                                             java.lang.String property)
                                      throws ConversionException

Load the option list for a JavaBean's property.

Parameters:

beanClass - The class in question.

property - The property.

Returns:

The list of options.

Throws:

ConversionException - If type conversions fail.