org.apache.derby.impl.sql.conn
Class GenericAuthorizer

java.lang.Object
  org.apache.derby.impl.sql.conn.GenericAuthorizer

All Implemented Interfaces:

Authorizer

 class GenericAuthorizer
extends java.lang.Object
implements Authorizer

Field Summary

private static int	FULL_ACCESS
private LanguageConnectionContext	lcc
private static int	NO_ACCESS
private static int	READ_ACCESS
(package private) boolean	readOnlyConnection
private int	userAccessLevel

Fields inherited from interface org.apache.derby.iapi.sql.conn.Authorizer

CREATE_ROLE_PRIV, CREATE_SCHEMA_PRIV, DELETE_PRIV, DROP_ROLE_PRIV, DROP_SCHEMA_PRIV, EXECUTE_PRIV, INSERT_PRIV, JAR_WRITE_OP, MIN_SELECT_PRIV, MODIFY_SCHEMA_PRIV, NULL_PRIV, PRIV_TYPE_COUNT, PROPERTY_WRITE_OP, PUBLIC_AUTHORIZATION_ID, REFERENCES_PRIV, SELECT_PRIV, SQL_ARBITARY_OP, SQL_CALL_OP, SQL_DDL_OP, SQL_SELECT_OP, SQL_WRITE_OP, SYSTEM_AUTHORIZATION_ID, TRIGGER_PRIV, UPDATE_PRIV, USAGE_PRIV

Constructor Summary

GenericAuthorizer(LanguageConnectionContext lcc)

Method Summary

void	authorize(Activation activation, int operation) Verify the connected user is authorized to perform the requested operation.
void	authorize(int operation) Used for operations that do not involve tables or routines.
private boolean	connectionMustRemainReadOnly()
private static StandardException	externalRoutineException(int operation, int sqlAllowed)
private int	getDefaultAccessLevel()
private void	getUserAccessLevel()
boolean	isReadOnlyConnection() Get the readOnly status for this authorizer's connection.
void	refresh() Refresh this authorizer to reflect a change in the database permissions.
void	setReadOnlyConnection(boolean on, boolean authorize) Set the readOnly status for this authorizer's connection.
private boolean	userOnAccessList(java.lang.String listName)

Methods inherited from class java.lang.Object

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

Field Detail

NO_ACCESS

private static final int NO_ACCESS

See Also:

Constant Field Values

READ_ACCESS

private static final int READ_ACCESS

See Also:

Constant Field Values

FULL_ACCESS

private static final int FULL_ACCESS

See Also:

Constant Field Values

userAccessLevel

private int userAccessLevel

readOnlyConnection

boolean readOnlyConnection

lcc

private final LanguageConnectionContext lcc

Constructor Detail

GenericAuthorizer

GenericAuthorizer(LanguageConnectionContext lcc)
            throws StandardException

Throws:

StandardException

Method Detail

connectionMustRemainReadOnly

private boolean connectionMustRemainReadOnly()

authorize

public void authorize(int operation)
               throws StandardException

Used for operations that do not involve tables or routines.

Specified by:

authorize in interface Authorizer

Parameters:

operation - the enumeration code for the requsted operation.

Throws:

StandardException - Thrown if the operation is not allowed

See Also:

Authorizer.authorize(int)

authorize

public void authorize(Activation activation,
                      int operation)
               throws StandardException

Description copied from interface: Authorizer

Verify the connected user is authorized to perform the requested operation.

Specified by:

authorize in interface Authorizer

Parameters:

activation - holds the list of tables, columns, and routines used.

operation - the enumeration code for the requsted operation.

Throws:

StandardException - Thrown if the operation is not allowed

See Also:

Authorizer.authorize(int)

externalRoutineException

private static StandardException externalRoutineException(int operation,
                                                          int sqlAllowed)

getUserAccessLevel

private void getUserAccessLevel()
                         throws StandardException

Throws:

StandardException

getDefaultAccessLevel

private int getDefaultAccessLevel()
                           throws StandardException

Throws:

StandardException

userOnAccessList

private boolean userOnAccessList(java.lang.String listName)
                          throws StandardException

Throws:

StandardException

isReadOnlyConnection

public boolean isReadOnlyConnection()

Description copied from interface: Authorizer

Get the readOnly status for this authorizer's connection.

Specified by:

isReadOnlyConnection in interface Authorizer

See Also:

Authorizer.isReadOnlyConnection()

setReadOnlyConnection

public void setReadOnlyConnection(boolean on,
                                  boolean authorize)
                           throws StandardException

Description copied from interface: Authorizer

Set the readOnly status for this authorizer's connection.

Specified by:

setReadOnlyConnection in interface Authorizer

Parameters:

on - true means set the connection to read only mode, false means set the connection to read wrte mode.

authorize - true means to verify the caller has authority to set the connection and false means do not check.

Throws:

StandardException - Thrown if the operation is not allowed

See Also:

Authorizer.isReadOnlyConnection()

refresh

public void refresh()
             throws StandardException

Description copied from interface: Authorizer

Refresh this authorizer to reflect a change in the database permissions.

Specified by:

refresh in interface Authorizer

Throws:

StandardException - Thrown if the operation is not allowed

See Also:

Authorizer.refresh()