org.jboss.osgi.resolver.spi
Class AbstractResource

java.lang.Object
  org.jboss.osgi.resolver.spi.AbstractResource

All Implemented Interfaces:

XAttachmentSupport, XElement, XResource, Resource

public class AbstractResource
extends Object
implements XResource

The abstract implementation of an XResource.

Since:

02-Jul-2010

Author:

thomas.diesler@jboss.com

Constructor Summary

AbstractResource()

Method Summary

<T> T	addAttachment(Class<T> clazz, T value) Attach an arbirtary object with this element.
protected void	addCapability(Capability cap)
protected void	addRequirement(Requirement req)
<T> T	getAttachment(Class<T> clazz) Get the attached object for a given key
List<Capability>	getCapabilities(String namespace) Returns the capabilities declared by this resource.
XIdentityCapability	getIdentityCapability() Get the identity capability for this resource
List<Requirement>	getRequirements(String namespace) Returns the requirements declared by this bundle resource.
boolean	isFragment() True if this resource is a fragment
<T> T	removeAttachment(Class<T> clazz) Remove an attached object for a given key
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.osgi.resolver.XAttachmentSupport

addAttachment, getAttachment, removeAttachment

Methods inherited from interface org.osgi.resource.Resource

equals, hashCode

Constructor Detail

AbstractResource

public AbstractResource()

Method Detail

addCapability

protected void addCapability(Capability cap)

addRequirement

protected void addRequirement(Requirement req)

getCapabilities

public List<Capability> getCapabilities(String namespace)

Description copied from interface: Resource

Returns the capabilities declared by this resource.

Specified by:

getCapabilities in interface Resource

Parameters:

namespace - The namespace of the declared capabilities to return or null to return the declared capabilities from all namespaces.

Returns:

An unmodifiable list containing the declared Capabilitys from the specified namespace. The returned list will be empty if this resource declares no capabilities in the specified namespace.

getRequirements

public List<Requirement> getRequirements(String namespace)

Description copied from interface: Resource

Returns the requirements declared by this bundle resource.

Specified by:

getRequirements in interface Resource

Parameters:

namespace - The namespace of the declared requirements to return or null to return the declared requirements from all namespaces.

Returns:

An unmodifiable list containing the declared Requirement s from the specified namespace. The returned list will be empty if this resource declares no requirements in the specified namespace.

getIdentityCapability

public XIdentityCapability getIdentityCapability()

Description copied from interface: XResource

Get the identity capability for this resource

Specified by:

getIdentityCapability in interface XResource

isFragment

public boolean isFragment()

Description copied from interface: XResource

True if this resource is a fragment

Specified by:

isFragment in interface XResource

toString

public String toString()

Overrides:

toString in class Object

addAttachment

public <T> T addAttachment(Class<T> clazz,
                           T value)

Description copied from interface: XAttachmentSupport

Attach an arbirtary object with this element.

Specified by:

addAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The previously attachment object or null

getAttachment

public <T> T getAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Get the attached object for a given key

Specified by:

getAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null

removeAttachment

public <T> T removeAttachment(Class<T> clazz)

Description copied from interface: XAttachmentSupport

Remove an attached object for a given key

Specified by:

removeAttachment in interface XAttachmentSupport

Parameters:

clazz - key for the attachment

Returns:

The attached object or null