local.tomas.faces.ui
Class EntitySelectListHandler<K,E>

java.lang.Object
  local.tomas.faces.ui.EntitySelectListHandler<K,E>

Type Parameters:

K - key type

E - type of objects to select from

public abstract class EntitySelectListHandler<K,E>
extends Object

Abstract base class for select list handler. A select list handler is used to let the user select from a list of objects.

Author:

tomas

Constructor Summary

EntitySelectListHandler()

Method Summary

protected abstract List<E>	getBaseList() Get base list.
K	getFirstItemKey() Get key of first item.
String	getFirstItemLabel() Get label of first item.
E	getItem(K key) Get item for key.
protected abstract K	getKey(E entity) Get key for entity.
protected abstract String	getLabel(E entity) Get label for entity.
List<javax.faces.model.SelectItem>	getSelectList() Get select list used for display.
void	reset() Reset the instance.
void	setFirstItemKey(K firstItemKey) Set key of first item.
void	setFirstItemLabel(String firstItemLabel) Set label of first item.

Methods inherited from class java.lang.Object

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

Constructor Detail

EntitySelectListHandler

public EntitySelectListHandler()

Method Detail

getFirstItemKey

public K getFirstItemKey()

Get key of first item.

Returns:

Returns key of first item.

setFirstItemKey

public void setFirstItemKey(K firstItemKey)

Set key of first item.

Parameters:

firstItemKey - key of first item to set.

getFirstItemLabel

public String getFirstItemLabel()

Get label of first item.

Returns:

Returns the name of the fist item.

setFirstItemLabel

public void setFirstItemLabel(String firstItemLabel)

Set label of first item.

Parameters:

firstItemLabel - The label to set.

getItem

public E getItem(K key)

Get item for key.

Parameters:

key - the key

Returns:

The item

getSelectList

public List<javax.faces.model.SelectItem> getSelectList()

Get select list used for display.

Returns:

The select list.

reset

public void reset()

Reset the instance. Clear the map.

getKey

protected abstract K getKey(E entity)

Get key for entity.

Parameters:

entity - The entity.

Returns:

The key.

getLabel

protected abstract String getLabel(E entity)

Get label for entity.

Parameters:

entity - The entity.

Returns:

The label.

getBaseList

protected abstract List<E> getBaseList()

Get base list.

Returns:

The list.