public final class CapabilityPermission
extends java.security.BasicPermission
provide
action allows a bundle to provide a capability
matching the specified filter.
require
action allows a bundle to require a capability
matching the specified filter.
限定符和类型 | 字段和说明 |
---|---|
static java.lang.String |
PROVIDE
The action string
provide . |
static java.lang.String |
REQUIRE
The action string
require . |
构造器和说明 |
---|
CapabilityPermission(java.lang.String namespace,
java.util.Map<java.lang.String,?> attributes,
Bundle providingBundle,
java.lang.String actions)
Creates a new requested
CapabilityPermission object to be used by
code that must perform checkPermission for the require
action. |
CapabilityPermission(java.lang.String name,
java.lang.String actions)
Create a new CapabilityPermission.
|
限定符和类型 | 方法和说明 |
---|---|
boolean |
equals(java.lang.Object obj)
Determines the equality of two CapabilityPermission objects.
|
java.lang.String |
getActions()
Returns the canonical string representation of the actions.
|
int |
hashCode()
Returns the hash code value for this object.
|
boolean |
implies(java.security.Permission p)
Determines if a
CapabilityPermission object "implies" the
specified permission. |
java.security.PermissionCollection |
newPermissionCollection()
Returns a new
PermissionCollection object for storing
CapabilityPermission objects. |
public static final java.lang.String REQUIRE
require
.public static final java.lang.String PROVIDE
provide
.public CapabilityPermission(java.lang.String name, java.lang.String actions)
The name is specified as a dot-separated string. Wildcards may be used.
name ::= <namespace> | <namespace ending in ".*"> | *Examples:
com.acme.capability.* org.foo.capability *For the
require
action, the name can also be a filter expression.
The filter gives access to the capability attributes as well as the
following attributes:
There are two possible actions: require
and provide
. The
require
permission allows the owner of this permission to require
a capability matching the attributes. The provide
permission
allows the bundle to provide a capability in the specified capability
namespace.
name
- The capability namespace or a filter over the attributes.actions
- require
,provide
(canonical order)java.lang.IllegalArgumentException
- If the specified name is a filter
expression and either the specified action is not require
or the filter has an invalid syntax.public CapabilityPermission(java.lang.String namespace, java.util.Map<java.lang.String,?> attributes, Bundle providingBundle, java.lang.String actions)
CapabilityPermission
object to be used by
code that must perform checkPermission
for the require
action. CapabilityPermission
objects created with this
constructor cannot be added to a CapabilityPermission
permission
collection.namespace
- The requested capability namespace.attributes
- The requested capability attributes.providingBundle
- The bundle providing the requested capability.actions
- The action require
.java.lang.IllegalArgumentException
- If the specified action is not
require
or attributes or providingBundle are null
.public boolean implies(java.security.Permission p)
CapabilityPermission
object "implies" the
specified permission.implies
在类中 java.security.BasicPermission
p
- The target permission to check.true
if the specified permission is implied by this
object; false
otherwise.public java.lang.String getActions()
require
,
provide
.getActions
在类中 java.security.BasicPermission
public java.security.PermissionCollection newPermissionCollection()
PermissionCollection
object for storing
CapabilityPermission
objects.newPermissionCollection
在类中 java.security.BasicPermission
PermissionCollection
object suitable for storing
CapabilityPermission
objects.public boolean equals(java.lang.Object obj)
CapabilityPermission
.equals
在类中 java.security.BasicPermission
obj
- The object to test for equality.CapabilityPermission
, and has the same
name and actions as this CapabilityPermission
object;
false
otherwise.public int hashCode()
hashCode
在类中 java.security.BasicPermission