com.threerings.presents.data
Class ClientObject.PermissionPolicy

java.lang.Object
  com.threerings.presents.data.ClientObject.PermissionPolicy

All Implemented Interfaces:

InvocationCodes

Direct Known Subclasses:

BodyObject.CrowdPermissionPolicy

Enclosing class:

ClientObject

protected class ClientObject.PermissionPolicy
extends Object
implements InvocationCodes

ClientObject derived classes can extend this class to provide more sophisticated permission policies, and should return their customized classes from ClientObject.createPermissionPolicy(). This class, and its children must only make use of data available in the ClientObject (and its children). Permissions may be checked on the client or server.

Field Summary

Fields inherited from interface com.threerings.presents.data.InvocationCodes

ACCESS_DENIED, E_ACCESS_DENIED, E_INTERNAL_ERROR, GLOBAL_GROUP, INTERNAL_ERROR

Constructor Summary

protected

ClientObject.PermissionPolicy()

Method Summary

String

checkAccess(Permission perm, Object context) Returns null if the specified client has the specified permission, an error code explaining the lack of access if they do not.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientObject.PermissionPolicy

protected ClientObject.PermissionPolicy()

Method Detail

checkAccess

public String checkAccess(Permission perm,
                          Object context)

Returns null if the specified client has the specified permission, an error code explaining the lack of access if they do not. InvocationCodes.ACCESS_DENIED should be returned if no more specific explanation is available.

Parameters:

perm - the permission to be checked.

context - a potential context for the request, if any.