se.kmr.scam.local
Class LocalCommon

java.lang.Object
  se.kmr.scam.local.LocalCommon

public abstract class LocalCommon

extends Object

Common-class that all service-classes extend. These classes are auto-generated from the EJB-implementations. This class replaces se.kmr.scam.server.impl.BeanCommon for local usage (no application-server).

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
protected static Map	m_graphIDs
protected static Map	m_graphs

Constructor Summary

LocalCommon()

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.
void	begin()
protected void	close() Convenience method to close DB Connection
void	commit() Commit a transaction (end 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 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
void	rollback() Rollback a transaction (end failed 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

m_graphIDs

protected static Map m_graphIDs

m_graphs

protected static Map m_graphs

Constructor Detail

LocalCommon

public LocalCommon()

Method Detail

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

public void begin()
           throws SQLException

Throws:

SQLException

commit

public void commit()
            throws SQLException

Commit a transaction (end transaction). A successful commit releases the connection back to pool. If this fails, we don't release connection, try a rollback() first.

Throws:

SQLException

rollback

public void rollback()
              throws ArchiveException

Rollback a transaction (end failed transaction). A successful rollback releases the connection back to pool. If this fails, we kill the connection because it could contain inconsistent transactions -> extremely fatal error :(

Throws:

ArchiveException

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)