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org.apache.tiles.renderer.impl
Class AbstractBaseAttributeRenderer

java.lang.Object
  org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer

All Implemented Interfaces:

TilesApplicationContextAware, TilesRequestContextFactoryAware, AttributeEvaluatorFactoryAware, AttributeRenderer

Direct Known Subclasses:

AbstractTypeDetectingAttributeRenderer, ChainedDelegateAttributeRenderer, UntypedAttributeRenderer

public abstract class AbstractBaseAttributeRenderer
extends Object
implements AttributeRenderer, TilesRequestContextFactoryAware, TilesApplicationContextAware, AttributeEvaluatorFactoryAware

Base abstract class that manages authorization to display the attribute.

Since:

2.1.0

Version:

$Rev: 791161 $ $Date: 2009-07-04 20:53:36 +0200 (sab, 04 lug 2009) $

Field Summary

protected TilesApplicationContext	applicationContext The Tiles application context.
protected AttributeEvaluatorFactory	attributeEvaluatorFactory The attribute evaluator factory.
protected TilesRequestContextFactory	contextFactory The Tiles request context factory.

Constructor Summary

AbstractBaseAttributeRenderer()

Method Summary

protected TilesRequestContext	getRequestContext(Object... requestItems) Creates a Tiles request context from request items.
protected boolean	isPermitted(TilesRequestContext request, Set<String> roles) Checks if the current user is in one of the comma-separated roles specified in the role parameter.
void	render(Attribute attribute, TilesRequestContext request) Renders an attribute.
void	setApplicationContext(TilesApplicationContext applicationContext) Sets the Tiles application context.
void	setAttributeEvaluatorFactory(AttributeEvaluatorFactory attributeEvaluatorFactory) Sets the attribute evaluator factory.
void	setRequestContextFactory(TilesRequestContextFactory contextFactory) Sets the Tiles request context factory.
abstract void	write(Object value, Attribute attribute, TilesRequestContext request) Implement this method knowing that the attribute won't be null and it will be authorized.

Methods inherited from class java.lang.Object

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

Field Detail

contextFactory

protected TilesRequestContextFactory contextFactory

The Tiles request context factory.

Since:

2.1.1

applicationContext

protected TilesApplicationContext applicationContext

The Tiles application context.

Since:

2.1.0

attributeEvaluatorFactory

protected AttributeEvaluatorFactory attributeEvaluatorFactory

The attribute evaluator factory.

Since:

2.2.0

Constructor Detail

AbstractBaseAttributeRenderer

public AbstractBaseAttributeRenderer()

Method Detail

setRequestContextFactory

public void setRequestContextFactory(TilesRequestContextFactory contextFactory)

Sets the Tiles request context factory.

Specified by:

setRequestContextFactory in interface TilesRequestContextFactoryAware

Parameters:

contextFactory - The Tiles context factory.

setApplicationContext

public void setApplicationContext(TilesApplicationContext applicationContext)

Sets the Tiles application context.

Specified by:

setApplicationContext in interface TilesApplicationContextAware

Parameters:

applicationContext - The Tiles application context.

setAttributeEvaluatorFactory

public void setAttributeEvaluatorFactory(AttributeEvaluatorFactory attributeEvaluatorFactory)

Sets the attribute evaluator factory.

Specified by:

setAttributeEvaluatorFactory in interface AttributeEvaluatorFactoryAware

Parameters:

attributeEvaluatorFactory - The attribute evaluator factory to use.

render

public void render(Attribute attribute,
                   TilesRequestContext request)
            throws IOException

Renders an attribute.

Specified by:

render in interface AttributeRenderer

Parameters:

attribute - The attribute to render.

request - The Tiles request context.

Throws:

IOException - If something goes wrong during rendition.

write

public abstract void write(Object value,
                           Attribute attribute,
                           TilesRequestContext request)
                    throws IOException

Implement this method knowing that the attribute won't be null and it will be authorized.

Parameters:

value - The value of the attribute to be rendered.

attribute - The attribute to render.

request - The Tiles request object.

Throws:

IOException - If something goes wrong during rendition.

Since:

2.1.2

getRequestContext

protected TilesRequestContext getRequestContext(Object... requestItems)

Creates a Tiles request context from request items.

Parameters:

requestItems - The request items.

Returns:

The created Tiles request context.

Since:

2.1.0

isPermitted

protected boolean isPermitted(TilesRequestContext request,
                              Set<String> roles)

Checks if the current user is in one of the comma-separated roles specified in the role parameter.

Parameters:

request - The request context.

roles - The list of roles.

Returns:

true if the current user is in one of those roles.

Since:

2.1.0