Package org.osgi.service.coordinator

Class CoordinationPermission

  • All Implemented Interfaces:
    java.io.Serializable, java.security.Guard
    public final class CoordinationPermission
extends java.security.BasicPermission
    A bundle's authority to create or use a Coordination.

    CoordinationPermission has three actions: initiate, participate and admin.

    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String ADMIN
      The action string admin.
      static java.lang.String INITIATE
      The action string initiate.
      static java.lang.String PARTICIPATE
      The action string participate.

    • Constructor Summary

      Constructors 
      Constructor Description
      CoordinationPermission​(java.lang.String filter, java.lang.String actions)
      Creates a new granted CoordinationPermission object.
      CoordinationPermission​(java.lang.String coordinationName, Bundle coordinationBundle, java.lang.String actions)
      Creates a new requested CoordinationPermission object to be used by the code that must perform checkPermission.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)
      Determines the equality of two CoordinationPermission objects.
      java.lang.String getActions()
      Returns the canonical string representation of the CoordinationPermission actions.
      int hashCode()
      Returns the hash code value for this object.
      boolean implies​(java.security.Permission p)
      Determines if the specified permission is implied by this object.
      java.security.PermissionCollection newPermissionCollection()
      Returns a new PermissionCollection object suitable for storing CoordinationPermission objects.

      • Methods inherited from class java.security.Permission

        checkGuard, getName, toString

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • INITIATE

        public static final java.lang.String INITIATE
        The action string initiate.
        See Also:
        Constant Field Values

      • PARTICIPATE

        public static final java.lang.String PARTICIPATE
        The action string participate.
        See Also:
        Constant Field Values

      • ADMIN

        public static final java.lang.String ADMIN
        The action string admin.
        See Also:
        Constant Field Values

    • Constructor Detail

      • CoordinationPermission

        public CoordinationPermission​(java.lang.String filter,
                              java.lang.String actions)
        Creates a new granted CoordinationPermission object. This constructor must only be used to create a permission that is going to be checked.

        Examples: 

         (coordination.name=com.acme.*)
 (&(signer=\*,o=ACME,c=US)(coordination.name=com.acme.*))
 (signer=\*,o=ACME,c=US)

        When a signer key is used within the filter expression the signer value must escape the special filter chars ('*', '(', ')').

        The name is specified as a filter expression. The filter gives access to the following attributes:

        • signer - A Distinguished Name chain used to sign the exporting bundle. Wildcards in a DN are not matched according to the filter string rules, but according to the rules defined for a DN chain.
        • location - The location of the exporting bundle.
        • id - The bundle ID of the exporting bundle.
        • name - The symbolic name of the exporting bundle.
        • coordination.name - The name of the requested coordination.
        Filter attribute names are processed in a case sensitive manner.
        Parameters:
        filter - A filter expression. Filter attribute names are processed in a case sensitive manner. A special value of "*" can be used to match all coordinations.
        actions - admin, initiate or participate (canonical order).
        Throws:
        java.lang.IllegalArgumentException - If the filter has an invalid syntax.

      • CoordinationPermission

        public CoordinationPermission​(java.lang.String coordinationName,
                              Bundle coordinationBundle,
                              java.lang.String actions)
        Creates a new requested CoordinationPermission object to be used by the code that must perform checkPermission. CoordinationPermission objects created with this constructor cannot be added to an CoordinationPermission permission collection.
        Parameters:
        coordinationName - The name of the requested Coordination.
        coordinationBundle - The bundle which created the requested Coordination.
        actions - admin, initiate or participate (canonical order).

    • Method Detail

      • implies

        public boolean implies​(java.security.Permission p)
        Determines if the specified permission is implied by this object.

        This method checks that the filter of the target is implied by the coordination name of this object. The list of CoordinationPermission actions must either match or allow for the list of the target object to imply the target CoordinationPermission action.

        Overrides:
        implies in class java.security.BasicPermission
        Parameters:
        p - The requested permission.
        Returns:
        true if the specified permission is implied by this object; false otherwise.

      • getActions

        public java.lang.String getActions()
        Returns the canonical string representation of the CoordinationPermission actions.

        Always returns present CoordinationPermission actions in the following order: admin, initiate, participate.

        Overrides:
        getActions in class java.security.BasicPermission
        Returns:
        Canonical string representation of the CoordinationPermission actions.

      • newPermissionCollection

        public java.security.PermissionCollection newPermissionCollection()
        Returns a new PermissionCollection object suitable for storing CoordinationPermission objects.
        Overrides:
        newPermissionCollection in class java.security.BasicPermission
        Returns:
        A new PermissionCollection object.

      • equals

        public boolean equals​(java.lang.Object obj)
        Determines the equality of two CoordinationPermission objects. This method checks that specified permission has the same name and CoordinationPermission actions as this CoordinationPermission object.
        Overrides:
        equals in class java.security.BasicPermission
        Parameters:
        obj - The object to test for equality with this CoordinationPermission object.
        Returns:
        true if obj is a CoordinationPermission, and has the same name and actions as this CoordinationPermission object; false otherwise.

      • hashCode

        public int hashCode()
        Returns the hash code value for this object.
        Overrides:
        hashCode in class java.security.BasicPermission
        Returns:
        A hash code value for this object.