org.norther.tammi.core.security
Class ResourcePermission

java.lang.Object
  java.security.Permission
      org.norther.tammi.core.security.DefaultPermission
          org.norther.tammi.core.security.ResourcePermission

All Implemented Interfaces:

Serializable, Guard

Direct Known Subclasses:

RegexPermission

public class ResourcePermission
extends DefaultPermission
implements Serializable

ResourcePermission represents access to server resources. The actions to be granted are passed to the constructor in a string containing a list of one or more comma-separated keywords. The possible keywords are "read", "write", "execute", and "delete". Their meaning is defined as follows:

  read
      read permission
  write
      write permission
  execute
      execute permission
  delete
      delete permission
 

The actions string is converted to lowercase before processing.

Author:

Ilkka Priha

See Also:

Serialized Form

Field Summary

Fields inherited from class org.norther.tammi.core.security.DefaultPermission

ALL, ALL_ACTION, ANY_ROLE, DELETE, DELETE_ACTION, EXECUTE, EXECUTE_ACTION, GROUP, GROUP_ACTION, NO_ACTION, NONE, OVERRIDE, OVERRIDE_ACTION, READ, READ_ACTION, READ_WRITE, READ_WRITE_ACTION, WRITE, WRITE_ACTION

Constructor Summary

ResourcePermission(String name, int mask)
Constructs a new permission with a mask.

ResourcePermission(String name, String actions)
Constructs a new permission with actions.

Method Summary

boolean	equals(Object obj) Checks two permissions for equality.
String	getActions() Gets the actions as a string.
int	hashCode() Returns the hash code.
boolean	implies(Permission p) Checks if the permission implies the specified permission.
protected boolean	impliesIgnoreMask(ResourcePermission p) Checks if this permission object implies the specified permission when actions are ignored.
PermissionCollection	newPermissionCollection() Returns a new permission collection for storing resource permissions.

Methods inherited from class org.norther.tammi.core.security.DefaultPermission

toActionMask, toActionString

Methods inherited from class java.security.Permission

checkGuard, getName, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ResourcePermission

public ResourcePermission(String name,
                          String actions)

Constructs a new permission with actions.

Parameters:

name - the name of the resource.

actions - the action string.

ResourcePermission

public ResourcePermission(String name,
                          int mask)

Constructs a new permission with a mask.

Parameters:

name - the name of the resource.

mask - the action mask to use.

Method Detail

getActions

public String getActions()

Gets the actions as a string.

Specified by:

getActions in class Permission

Returns:

the actions.

implies

public boolean implies(Permission p)

Checks if the permission implies the specified permission.

Specified by:

implies in class Permission

Parameters:

p - the permission to check against.

Returns:

true if the specified permission is implied.

newPermissionCollection

public PermissionCollection newPermissionCollection()

Returns a new permission collection for storing resource permissions.

Overrides:

newPermissionCollection in class Permission

Returns:

a new permission collection.

equals

public boolean equals(Object obj)

Checks two permissions for equality.

Specified by:

equals in class Permission

Parameters:

obj - the object we are testing.

Returns:

true if permissions are equal.

hashCode

public int hashCode()

Returns the hash code.

Specified by:

hashCode in class Permission

Returns:

a hash code.

impliesIgnoreMask

protected boolean impliesIgnoreMask(ResourcePermission p)

Checks if this permission object implies the specified permission when actions are ignored.

Parameters:

p - the permission to check against.

Returns:

true if the specified permission is implied by this object.