org.jboss.osgi.resolver.v2.spi
Class AbstractRequirement

java.lang.Object
  org.jboss.osgi.resolver.v2.spi.AbstractRequirement

All Implemented Interfaces:

XAttachmentSupport, XAttributeSupport, XDirectiveSupport, XElement, XRequirement, org.osgi.framework.resource.Requirement

Direct Known Subclasses:

AbstractBundleRequirement, AbstractHostRequirement, AbstractIdentityRequirement, AbstractPackageRequirement

public class AbstractRequirement
extends Object
implements XRequirement

The abstract implementation of a XRequirement.

Since:

02-Jul-2010

Author:

thomas.diesler@jboss.com

Constructor Summary

protected

AbstractRequirement(org.osgi.framework.resource.Resource resource, String namespace, Map<String,Object> atts, 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
Object	getAttribute(String key) Get the value of the given attribute
Map<String,Object>	getAttributes() Get the attributes
String	getDirective(String key) Get the value of the given directive
Map<String,String>	getDirectives() Get the directives
protected Set<String>	getMandatoryAttributes()
String	getNamespace()
org.osgi.framework.resource.Resource	getResource()
boolean	isOptional()
boolean	matches(org.osgi.framework.resource.Capability cap)
protected boolean	matchFilterValue(org.osgi.framework.resource.Capability cap)
protected boolean	matchNamespaceValue(org.osgi.framework.resource.Capability cap)
<T> T	removeAttachment(Class<T> clazz) Remove an attached object for a given key
String	toString()
protected void	validateAttributes(Map<String,Object> atts)

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.v2.XAttachmentSupport

addAttachment, getAttachment, removeAttachment

Constructor Detail

AbstractRequirement

protected AbstractRequirement(org.osgi.framework.resource.Resource resource,
                              String namespace,
                              Map<String,Object> atts,
                              Map<String,String> dirs)

Method Detail

validateAttributes

protected void validateAttributes(Map<String,Object> atts)

getMandatoryAttributes

protected Set<String> getMandatoryAttributes()

getResource

public org.osgi.framework.resource.Resource getResource()

Specified by:

getResource in interface org.osgi.framework.resource.Requirement

getNamespace

public String getNamespace()

Specified by:

getNamespace in interface org.osgi.framework.resource.Requirement

isOptional

public boolean isOptional()

Specified by:

isOptional in interface XRequirement

getDirectives

public Map<String,String> getDirectives()

Description copied from interface: XDirectiveSupport

Get the directives

Specified by:

getDirectives in interface XDirectiveSupport

Specified by:

getDirectives in interface org.osgi.framework.resource.Requirement

getDirective

public String getDirective(String key)

Description copied from interface: XDirectiveSupport

Get the value of the given directive

Specified by:

getDirective in interface XDirectiveSupport

Returns:

null if no such directive is associated with this capability

getAttributes

public Map<String,Object> getAttributes()

Description copied from interface: XAttributeSupport

Get the attributes

Specified by:

getAttributes in interface XAttributeSupport

Specified by:

getAttributes in interface org.osgi.framework.resource.Requirement

getAttribute

public Object getAttribute(String key)

Description copied from interface: XAttributeSupport

Get the value of the given attribute

Specified by:

getAttribute in interface XAttributeSupport

Returns:

null if no such attribute is associated with this capability

matches

public boolean matches(org.osgi.framework.resource.Capability cap)

Specified by:

matches in interface org.osgi.framework.resource.Requirement

matchNamespaceValue

protected boolean matchNamespaceValue(org.osgi.framework.resource.Capability cap)

matchFilterValue

protected boolean matchFilterValue(org.osgi.framework.resource.Capability cap)

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