se.kmr.scam.server.impl
Class BeanCommon

java.lang.Object
  se.kmr.scam.server.impl.BeanCommon

Direct Known Subclasses:

AdministerBean, ContentBean, ImportBean, ManifestBean, SearchBean

public abstract class BeanCommon

extends Object

Common methods shared by all EJBs. Include transaction- and access-control methods.

Title:

Description:

Copyright: Copyright (c) 2002

Company:

Version:

1.0

Author:

jand

Field Summary

static String	ADMIN_ROLE Administrator role Key: scam.role.admin
static String	GUEST_ROLE Guest role Key: scam.role.guest

Constructor Summary

BeanCommon()

Method Summary

protected void	abort(String mess)
protected void	assertPermission(Model model, Collection reses, Property perm) Assert permission.
protected void	assertPermission(Model model, Resource res, Property perm) Assert permission.
protected void	begin() Begin transaction.
protected void	close() Convenience method to close DB Connection
protected void	commit() Commit transaction
protected boolean	contains(String identity) See if Manifest exists
protected ModelRDB	create(String identity) Create a new Mainfest
protected void	filter(Model dbModel, Model model, Property perm) Remove all unauthorized components in Model.
protected void	filter(Model model, Property perm) Remove all unauthorized components in Model.
protected String	getCaller()
protected abstract SessionContext	getSessionContext() Get the sessioncontext
protected boolean	hasPermission(Model model, Collection reses, Property perm) Check permission.
protected boolean	hasPermission(Model model, Resource res, Property perm) Check permission.
protected boolean	isCaller(Object principal)
protected boolean	isCallerInRole(Object role)
protected List	list() List all Manifests (except DEFAULT)
protected String	lookup(Integer graphID) Lookup Manifest-identity by ID (used in multi-model-search)
protected ModelRDB	open()
protected ModelRDB	open(String identity) Convenience method to open a Manifest (from cache).
protected boolean	remove(String identity) Remove Manifest
protected void	rollback() Rollback transaction

Methods inherited from class java.lang.Object

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

Field Detail

ADMIN_ROLE

public static final String ADMIN_ROLE

Administrator role Key: scam.role.admin

GUEST_ROLE

public static final String GUEST_ROLE

Guest role Key: scam.role.guest

Constructor Detail

BeanCommon

public BeanCommon()

Method Detail

getSessionContext

protected abstract SessionContext getSessionContext()

Get the sessioncontext

Returns:

the context

open

protected ModelRDB open(String identity)
                 throws ArchiveException

Convenience method to open a Manifest (from cache).

Parameters:

identity - Manifest name

Returns:

Manifest

Throws:

ArchiveException

open

protected ModelRDB open()
                 throws ArchiveException

Throws:

ArchiveException

contains

protected boolean contains(String identity)
                    throws ArchiveException

See if Manifest exists

Parameters:

identity - Manifest name

Returns:

true if found

Throws:

ArchiveException

lookup

protected String lookup(Integer graphID)
                 throws ArchiveException

Lookup Manifest-identity by ID (used in multi-model-search)

Parameters:

graphID - ID

Returns:

identity or null if not found

Throws:

ArchiveException

create

protected ModelRDB create(String identity)
                   throws ArchiveException

Create a new Mainfest

Parameters:

identity - Manifest name

Returns:

created instance (or existing)

Throws:

ArchiveException

list

protected List list()
             throws ArchiveException

List all Manifests (except DEFAULT)

Returns:

List of Strings

Throws:

ArchiveException

remove

protected boolean remove(String identity)
                  throws ArchiveException

Remove Manifest

Parameters:

identity - Manifest name

Returns:

true if successful

Throws:

ArchiveException

close

protected void close()

Convenience method to close DB Connection

abort

protected void abort(String mess)
              throws ArchiveException

Throws:

ArchiveException

begin

protected void begin()
              throws SystemException

Begin transaction.

Throws:

SystemException

commit

protected void commit()
               throws SystemException

Commit transaction

Throws:

SystemException

rollback

protected void rollback()
                 throws ArchiveException

Rollback transaction

Throws:

ArchiveException

To do:

Invalidate cache?

assertPermission

protected void assertPermission(Model model,
                                Resource res,
                                Property perm)
                         throws RDFException,
                                ArchiveException

Assert permission.

Parameters:

model - Model containing ACL for res

res - Resource

perm - Permission

Throws:

RDFException

ArchiveException - if permission not granted

See Also:

hasPermission(Model, Resource, Property)

assertPermission

protected void assertPermission(Model model,
                                Collection reses,
                                Property perm)
                         throws RDFException,
                                ArchiveException

Assert permission.

Parameters:

model - Model containing ACL for reses

reses - Resources (or URIs)

perm - Permission

Throws:

RDFException

ArchiveException - if permission not granted for one or more

See Also:

hasPermission(Model, Resource, Property)

hasPermission

protected boolean hasPermission(Model model,
                                Resource res,
                                Property perm)
                         throws RDFException

Check permission. Examines Manifest first, then the Component itself. Users in admin-role has always permission to do anything. In case the Component is a content-Item, its content-resource-ACL will be examined.

Parameters:

model - Model containing ACL for res

res - Resource

perm - Permission

Returns:

true if permission granted.

Throws:

RDFException

hasPermission

protected boolean hasPermission(Model model,
                                Collection reses,
                                Property perm)
                         throws RDFException

Check permission.

Parameters:

model - Model containing ACL for reses

reses - Resources (or URIs)

perm - Permission

Returns:

true if permission granted for all resources

Throws:

RDFException

See Also:

hasPermission(Model, Resource, Property)

filter

protected void filter(Model dbModel,
                      Model model,
                      Property perm)
               throws RDFException

Remove all unauthorized components in Model.

Parameters:

dbModel - Model (containing ACL:s)

model - Model to filter

perm - Permission

Throws:

RDFException

filter

protected void filter(Model model,
                      Property perm)
               throws RDFException

Remove all unauthorized components in Model.

Parameters:

model - Model to filter (containing ACL:s)

perm - Permission

Throws:

RDFException

getCaller

protected String getCaller()

isCaller

protected boolean isCaller(Object principal)

isCallerInRole

protected boolean isCallerInRole(Object role)