org.apache.tiles.template

Class ComposeStackUtil

java.lang.Object

org.apache.tiles.template.ComposeStackUtil

public final class ComposeStackUtil
extends Object

Utilities to work with compose stacks.

Since:

3.0.0

Version:

$Rev: 1305937 $ $Date: 2012-03-28 05:15:15 +1100 (Wed, 28 Mar 2012) $

Field Summary

Fields

Modifier and Type	Field and Description
static String	COMPOSE_STACK_ATTRIBUTE_NAME The name of the attribute that holds the compose stack.

Method Summary

Methods

Modifier and Type	Method and Description
static Object	findAncestorWithClass(Deque<Object> composeStack, Class<?> clazz) Finds the first ancestor in the stack, that is assignable to the given class.
static Deque<Object>	getComposeStack(org.apache.tiles.request.Request request) Returns the current compose stack, or creates a new one if not present.

Methods inherited from class java.lang.Object

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

Field Detail

COMPOSE_STACK_ATTRIBUTE_NAME

public static final String COMPOSE_STACK_ATTRIBUTE_NAME

The name of the attribute that holds the compose stack.

See Also:

Constant Field Values

Method Detail

findAncestorWithClass

public static Object findAncestorWithClass(Deque<Object> composeStack,
                           Class<?> clazz)

Finds the first ancestor in the stack, that is assignable to the given class.

Parameters:

composeStack - The compose stack to evaluate.

clazz - The class to check.

Returns:

The first ancestor that is assignable to the class, or null if not found.

Since:

3.0.0

getComposeStack

public static Deque<Object> getComposeStack(org.apache.tiles.request.Request request)

Returns the current compose stack, or creates a new one if not present.

Parameters:

request - The request.

Returns:

The compose stack.

Since:

3.0.0