com.sibvisions.rad.server.security
Class AbstractDBSecurityManager

java.lang.Object
  com.sibvisions.rad.server.security.AbstractSecurityManager
      com.sibvisions.rad.server.security.AbstractDBSecurityManager

All Implemented Interfaces:

ISecurityManager, IPasswordValidator

Direct Known Subclasses:

DBSecurityManager

public abstract class AbstractDBSecurityManager
extends AbstractSecurityManager

The AbstractDBSecurityManager is the base class for all security managers that use a database for authentication.

Constructor Summary

AbstractDBSecurityManager()

Method Summary

protected void	close(Statement... pStatement) Closes and unregisters the given statements.
protected void	closeConnection() Close all statements and the connection.
protected void	closeStatements() Close all registered statements.
protected void	commit() Commits all changes.
protected IAccessController	createAccessController(ISession pSession) Creates an access controller for a ISession.
protected void	finalize()
protected abstract String	getAliveQuery() Gets the query which should be use for connection check.
Connection	getConnection() Gets the current connection to the database.
Connection	getConnection(ISession pSession) Gets the connection to the database.
static DBCredentials	getCredentials(IConfiguration pConfig) Gets the configured database credentials from a given configuration.
protected DBCredentials	getCredentials(ISession pSession) Gets the configured database credentials for the given session.
protected abstract void	initStatements(Connection pConnection) Initializes all statements after opening a database connection.
protected boolean	isConnectionAlive() Checks whether the connection is still alive, means whether the connection can be used.
protected Connection	openConnection(ISession pSession) Opens a database connection to the database of an application.
protected CallableStatement	prepareCall(Connection pConnection, String pSql) Creates a new instance of CallableStatement.
protected PreparedStatement	prepareStatement(Connection pConnection, String pSql) Creates a new instance of PreparedStatement.
protected void	register(Statement pStatement) Registers a statment as closable statement.
void	release() Releases all used resources.
protected void	rollback() Reverts all changes.
protected boolean	unregister(Statement pStatement) Unregisters a statement.
protected abstract void	updateConfiguration(IConfiguration pConfig) Updates relevant information after configuration was changed.

Methods inherited from class com.sibvisions.rad.server.security.AbstractSecurityManager

addHiddenPackage, checkPassword, comparePassword, createSecurityManager, createSecurityManager, createSecurityManager, debug, error, getEncryptedPassword, getPasswordValidator, info, isAllowEncryptedUserPassword, isHiddenPackage, isPasswordEncrypted, isPasswordEncryptionEnabled, prepareException, prepareException, removeHiddenPackage, setAllowEncryptedUserPassword, validatePassword

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sibvisions.rad.server.security.ISecurityManager

changePassword, getAccessController, logout, validateAuthentication

Constructor Detail

AbstractDBSecurityManager

public AbstractDBSecurityManager()

Method Detail

updateConfiguration

protected abstract void updateConfiguration(IConfiguration pConfig)
                                     throws Exception

Updates relevant information after configuration was changed.

Parameters:

pConfig - the session configuration

Throws:

Exception - if an exception occurs during statement creation

initStatements

protected abstract void initStatements(Connection pConnection)
                                throws Exception

Initializes all statements after opening a database connection.

Parameters:

pConnection - the connection to use

Throws:

Exception - if an exception occurs during statement creation

getAliveQuery

protected abstract String getAliveQuery()

Gets the query which should be use for connection check. A simple query like select 1 from dual is enough.

Returns:

the alive check query

release

public void release()

Releases all used resources.

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

openConnection

protected Connection openConnection(ISession pSession)
                             throws Exception

Opens a database connection to the database of an application.

Parameters:

pSession - the session for which the connection should be opened

Returns:

a new or reused connection to the database

Throws:

Exception - if the application zone is invalid or the connection can not be opened

IllegalArgumentException - if the database configuration is invalid (parameters are missing, ...)

closeConnection

protected void closeConnection()
                        throws Exception

Close all statements and the connection.

Throws:

Exception - if one statement can not be closed

closeStatements

protected void closeStatements()

Close all registered statements.

close

protected void close(Statement... pStatement)

Closes and unregisters the given statements.

Parameters:

pStatement - the statements to close and unregister

getCredentials

protected DBCredentials getCredentials(ISession pSession)

Gets the configured database credentials for the given session.

Parameters:

pSession - the session

Returns:

the configured credentials

See Also:

getCredentials(IConfiguration)

getCredentials

public static DBCredentials getCredentials(IConfiguration pConfig)

Gets the configured database credentials from a given configuration. This method handles credentials, set in the security manager and credentials configured as datasource.

Parameters:

pConfig - the configuration

Returns:

the configured credentials

getConnection

public Connection getConnection()
                         throws Exception

Gets the current connection to the database. The connection is validated to ensure that it is usable.

Returns:

the connection for the security manager or null if the security manager did not open a connection

Throws:

Exception - if db access fails

getConnection

public Connection getConnection(ISession pSession)
                         throws Exception

Gets the connection to the database. The connection is validated to ensure that it is usable.

Parameters:

pSession - the session that wants access to the database

Returns:

the connection

Throws:

Exception - if db access fails

createAccessController

protected IAccessController createAccessController(ISession pSession)

Creates an access controller for a ISession.

Parameters:

pSession - the session which requests the access controller

Returns:

the access controller

commit

protected void commit()
               throws SQLException

Commits all changes.

Throws:

SQLException - if commit fails

rollback

protected void rollback()

Reverts all changes.

isConnectionAlive

protected boolean isConnectionAlive()

Checks whether the connection is still alive, means whether the connection can be used.

Returns:

true if the connection is alive/valid

See Also:

getAliveQuery()

register

protected void register(Statement pStatement)

Registers a statment as closable statement. All closable statements will be closed if connection will be closed.

Parameters:

pStatement - the statement

unregister

protected boolean unregister(Statement pStatement)

Unregisters a statement.

Parameters:

pStatement - the statement

Returns:

true if unregistration was successful, false if statement was not registered as closable

See Also:

register(Statement)

prepareStatement

protected PreparedStatement prepareStatement(Connection pConnection,
                                             String pSql)
                                      throws SQLException

Creates a new instance of PreparedStatement. The statement will be registered for automatic close.

Parameters:

pConnection - the database connection

pSql - the SQL statement, e.g. a query

Returns:

the new statement

Throws:

SQLException - if statement creation fails

prepareCall

protected CallableStatement prepareCall(Connection pConnection,
                                        String pSql)
                                 throws SQLException

Creates a new instance of CallableStatement. The statement will be registered for automatic close.

Parameters:

pConnection - the database connection

pSql - the call statement

Returns:

the new statement

Throws:

SQLException - if statement creation fails