Class CapabilityImpl

java.lang.Object

org.apache.felix.utils.resource.CapabilityImpl

All Implemented Interfaces:

org.osgi.resource.Capability

public class CapabilityImpl
extends Object
implements org.osgi.resource.Capability

Implementation of the OSGi Capability interface.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,Object>	attributes	Optional attributes.
protected final Map<String,String>	directives	Optional attributes.
protected final Set<String>	mandatory
protected final String	namespace	The namespace.
protected final org.osgi.resource.Resource	resource	The resource.

Constructor Summary

Constructors

Constructor	Description
CapabilityImpl(org.osgi.resource.Resource res, String ns, Map<String,String> dirs, Map<String,Object> attrs)	Create a capability.
CapabilityImpl(org.osgi.resource.Resource resource, org.osgi.resource.Capability capability)	Create a capability based on an existing capability, providing the resource.

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	getAttributes()	Return the attributes.
Map<String,String>	getDirectives()	Return the directives.
String	getNamespace()	Return the namespace.
org.osgi.resource.Resource	getResource()	Return the resource.
boolean	isAttributeMandatory(String name)
String	toString()

Methods inherited from class Object

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

Methods inherited from interface org.osgi.resource.Capability

equals, getAttributes, getDirectives, getNamespace, getResource, hashCode

Field Details

mandatory

protected final Set<String> mandatory

resource

protected final org.osgi.resource.Resource resource

The resource. Required.

namespace

protected final String namespace

The namespace. Required.

directives

protected final Map<String,String> directives

Optional attributes. Never null.

attributes

protected final Map<String,Object> attributes

Optional attributes. Never null.

Constructor Details

CapabilityImpl

public CapabilityImpl(org.osgi.resource.Resource res,
 String ns,
 Map<String,String> dirs,
 Map<String,Object> attrs)

Create a capability.

Parameters:

res - The resource associated with the capability.

ns - The namespace of the capability.

dirs - The directives of the capability.

attrs - The attributes of the capability.

CapabilityImpl

public CapabilityImpl(org.osgi.resource.Resource resource,
 org.osgi.resource.Capability capability)

Create a capability based on an existing capability, providing the resource. The namespace, attributes and directives are copied from the provided capability.

Parameters:

resource - The resource to be associated with the capability

capability - The capability to base the new requirement on.

Method Details

isAttributeMandatory

public boolean isAttributeMandatory(String name)

getNamespace

public String getNamespace()

Return the namespace.

Returns:

The namespace. This is never @{code null}.

getAttributes

public Map<String,Object> getAttributes()

Return the attributes.

Returns:

The attributes, might be empty.

getDirectives

public Map<String,String> getDirectives()

Return the directives.

Returns:

The directives, might be empty.

getResource

public org.osgi.resource.Resource getResource()

Return the resource.

Returns:

The resource or @{code null}.

toString

public String toString()

Overrides:

toString in class Object