org.jboss.osgi.resolver.spi
Class AbstractPackageRequirement

java.lang.Object
  org.jboss.osgi.resolver.spi.AbstractRequirement
      org.jboss.osgi.resolver.spi.AbstractPackageRequirement

All Implemented Interfaces:

XAttachmentSupport, XAttributeSupport, XDirectiveSupport, XElement, XPackageRequirement, XRequirement, Requirement

public class AbstractPackageRequirement
extends AbstractRequirement
implements XPackageRequirement

The abstract implementation of a XPackageRequirement.

Since:

02-Jul-2010

Author:

thomas.diesler@jboss.com

Constructor Summary

AbstractPackageRequirement(Resource res, Map<String,Object> attrs, Map<String,String> dirs)

Method Summary

<T> T	addAttachment(Class<T> clazz, T value) Attach an arbirtary object with this element.
<T> T	getAttachment(Class<T> clazz) Get the attached object for a given key
protected Set<String>	getMandatoryAttributes()
String	getPackageName() The package name
VersionRange	getVersionRange() The package version range.
boolean	isDynamic() A flag indicating that this is a dynamic package requirement
boolean	matches(XCapability cap) Matches this requirement against the given capability.
boolean	matchNamespaceValue(XCapability cap)
<T> T	removeAttachment(Class<T> clazz) Remove an attached object for a given key

Methods inherited from class org.jboss.osgi.resolver.spi.AbstractRequirement

getAttribute, getAttributes, getDirective, getDirectives, getNamespace, getResource, isOptional, matchFilterValue, toString, validateAttributes

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.XRequirement

isOptional

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

addAttachment, getAttachment, removeAttachment

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

getAttribute, getAttributes

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

getDirective, getDirectives

Methods inherited from interface org.osgi.resource.Requirement

equals, getAttributes, getDirectives, getNamespace, getResource, hashCode

Constructor Detail

AbstractPackageRequirement

public AbstractPackageRequirement(Resource res,
                                  Map<String,Object> attrs,
                                  Map<String,String> dirs)

Method Detail

getMandatoryAttributes

protected Set<String> getMandatoryAttributes()

Overrides:

getMandatoryAttributes in class AbstractRequirement

getPackageName

public String getPackageName()

Description copied from interface: XPackageRequirement

The package name

Specified by:

getPackageName in interface XPackageRequirement

getVersionRange

public VersionRange getVersionRange()

Description copied from interface: XPackageRequirement

The package version range.

Specified by:

getVersionRange in interface XPackageRequirement

isDynamic

public boolean isDynamic()

Description copied from interface: XPackageRequirement

A flag indicating that this is a dynamic package requirement

Specified by:

isDynamic in interface XPackageRequirement

matchNamespaceValue

public boolean matchNamespaceValue(XCapability cap)

Overrides:

matchNamespaceValue in class AbstractRequirement

matches

public boolean matches(XCapability cap)

Description copied from interface: XRequirement

Matches this requirement against the given capability.

Specified by:

matches in interface XRequirement

Overrides:

matches in class AbstractRequirement

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