org.fcrepo.server.security.xacml.pdp.data

Interface PolicyStore

All Known Implementing Classes:

AbstractPolicyStore, FedoraPolicyStore

public interface PolicyStore

This class provides a CRUD interface for Policy Stores. Policy Stores can be implemented in whatever way they wish using any kind of backend from database to filesystem as long as they adhere to this interface. See PolicyIndex for a query interface to policies.

Author:

nishen@melcoe.mq.edu.au

Method Summary

Modifier and Type	Method and Description
String	addPolicy(File f) Generates a policy using the File provided.
String	addPolicy(File f, String name) Generates a policy using the File and name provided and adds it to the Policy Store.
String	addPolicy(String document) Generates a policy based on the string data provided.
String	addPolicy(String document, String name) Generates a policy based on the string data provided and the name.
boolean	contains(File policy) Check if the policy in the file exists in the policy store.
boolean	contains(String policy) Check if the policy identified by policyName exists.
boolean	deletePolicy(String name) Removes the policy given by name from the data store.
byte[]	getPolicy(String name) Obtains the policy with the provided name from the Policy Store.
void	init() Initialize this PolicyStore with the bootstrap policies
List<String>	listPolicies() Obtains a list of stored policies.
boolean	updatePolicy(String name, String newDocument) Generates a new policy based for the given policy name and replaces the old policy in the Policy Store with it.

Method Detail

getPolicy

byte[] getPolicy(String name)
          throws PolicyStoreException

Obtains the policy with the provided name from the Policy Store.

Parameters:

name - the name of the policy to return

Returns:

the policy as an array of bytes

Throws:

PolicyStoreException

addPolicy

String addPolicy(File f,
                 String name)
          throws PolicyStoreException

Generates a policy using the File and name provided and adds it to the Policy Store.

Parameters:

f - the policy as a File

name - the name to assign the policy

Returns:

the name of the policy

Throws:

PolicyStoreException

addPolicy

String addPolicy(File f)
          throws PolicyStoreException

Generates a policy using the File provided. The name is automatically generated based on the PolicyId attribute of the Policy. The policy is then added to the Policy Store.

Parameters:

f - the policy as a File

Returns:

the name of the added policy

Throws:

PolicyStoreException

addPolicy

String addPolicy(String document,
                 String name)
          throws PolicyStoreException

Generates a policy based on the string data provided and the name. The policy is then added to the Policy Store.

Parameters:

document - the policy as a String

name -

Returns:

the name of the added policy

Throws:

PolicyStoreException

addPolicy

String addPolicy(String document)
          throws PolicyStoreException

Generates a policy based on the string data provided. The name is automatically generated based on the PolicyId attribute of the Policy. The policy is then added to the Policy Store.

Parameters:

document - the policy as a String

Returns:

the name of the added policy

Throws:

PolicyStoreException

deletePolicy

boolean deletePolicy(String name)
              throws PolicyStoreException

Removes the policy given by name from the data store.

Parameters:

name - the name of the policy

Returns:

true if policy was deleted

Throws:

PolicyStoreException

updatePolicy

boolean updatePolicy(String name,
                     String newDocument)
              throws PolicyStoreException

Generates a new policy based for the given policy name and replaces the old policy in the Policy Store with it. An exception is thrown if the policy with the given name cannot be found.

Parameters:

name - the name of the policy to update

newDocument - the new policy as a String

Returns:

true if policy was updated

Throws:

PolicyStoreException

listPolicies

List<String> listPolicies()
                   throws PolicyStoreException

Obtains a list of stored policies.

Returns:

a list containing the names of all the policies in the store.

Throws:

PolicyStoreException

contains

boolean contains(String policy)
          throws PolicyStoreException

Check if the policy identified by policyName exists.

Parameters:

policy -

Returns:

true iff the policy store contains a policy with the same PolicyId

Throws:

PolicyStoreException

contains

boolean contains(File policy)
          throws PolicyStoreException

Check if the policy in the file exists in the policy store.

Parameters:

policy -

Returns:

true iff the policy store contains a policy with the same PolicyId

Throws:

PolicyStoreException

init

void init()
   throws PolicyStoreException,
          FileNotFoundException

Initialize this PolicyStore with the bootstrap policies

Throws:

PolicyStoreException

FileNotFoundException