org.jboss.deployers.spi.deployer.helpers
Class AttachmentLocator

java.lang.Object
  org.jboss.deployers.spi.deployer.helpers.AttachmentLocator

public class AttachmentLocator
extends Object

Search a DeploymentUnit structure from child to parent for a matching attachment.

Version:

$Revision:$

Author:

Scott.Stark@jboss.org, adrian@jboss.org

Constructor Summary

AttachmentLocator()

Method Summary

static <T> T	search(org.jboss.deployers.structure.spi.DeploymentUnit unit, Class<T> type) Get an attachment of the given type
static Object	search(org.jboss.deployers.structure.spi.DeploymentUnit unit, String name) Get a named attachment
static <T> T	search(org.jboss.deployers.structure.spi.DeploymentUnit unit, String name, Class<T> expectedType) Get named attachment of a given type

Methods inherited from class java.lang.Object

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

Constructor Detail

AttachmentLocator

public AttachmentLocator()

Method Detail

search

public static Object search(org.jboss.deployers.structure.spi.DeploymentUnit unit,
                            String name)

Get a named attachment

Parameters:

unit - the deployment unit

name - the name of the attachment

Returns:

the attachment or null if not present

Throws:

IllegalArgumentException - for a null name

search

public static <T> T search(org.jboss.deployers.structure.spi.DeploymentUnit unit,
                           String name,
                           Class<T> expectedType)

Get named attachment of a given type

Type Parameters:

T - the expected type

Parameters:

unit - the deployment unit

name - the name of the attachment

expectedType - the expected type

Returns:

the attachment or null if not present

Throws:

IllegalArgumentException - for a null name or expectedType

search

public static <T> T search(org.jboss.deployers.structure.spi.DeploymentUnit unit,
                           Class<T> type)

Get an attachment of the given type

Type Parameters:

T - the expected type

Parameters:

type - the type

unit - the deployment unit

Returns:

the attachment or null if not present

Throws:

IllegalArgumentException - for a null name or type