/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
*/
/**
* This class defines a utility that will be used to manage the set of password
* storage schemes defined in the Directory Server. It will initialize the
* storage schemes when the server starts, and then will manage any additions,
* removals, or modifications to any schemes while the server is running.
*/
public class PasswordStorageSchemeConfigManager
implements
{
// A mapping between the DNs of the config entries and the associated password
// storage schemes.
/**
* Creates a new instance of this password storage scheme config manager.
*/
public PasswordStorageSchemeConfigManager()
{
}
/**
* Initializes all password storage schemes currently defined in the Directory
* Server configuration. This should only be called at Directory Server
* startup.
*
* @throws ConfigException If a configuration problem causes the password
* storage scheme initialization process to fail.
*
* @throws InitializationException If a problem occurs while initializing
* the password storage scheme that is not
* related to the server configuration.
*/
public void initializePasswordStorageSchemes()
{
// Get the root configuration object.
// Register as an add and delete listener with the root configuration so we
// can be notified if any entry cache entry is added or removed.
// Initialize existing password storage schemes.
{
// Get the password storage scheme's configuration.
// Register as a change listener for this password storage scheme
// entry so that we will be notified of any changes that may be
// made to it.
config.addChangeListener (this);
// Ignore this password storage scheme if it is disabled.
{
// Load the password storage scheme implementation class.
}
}
}
/**
* {@inheritDoc}
*/
public boolean isConfigurationChangeAcceptable(
)
{
// returned status -- all is fine by default
boolean status = true;
if (configuration.isEnabled())
{
// Get the name of the class and make sure we can instantiate it as
// a password storage scheme.
try
{
// Load the class but don't initialize it.
}
catch (InitializationException ie)
{
status = false;
}
}
return status;
}
/**
* {@inheritDoc}
*/
)
{
// Returned result.
);
// Get the configuration entry DN and the associated
// password storage scheme class.
);
// If the new configuration has the password storage scheme disabled,
// then remove it from the mapping list and clean it.
if (! configuration.isEnabled())
{
if (storageScheme != null)
{
}
return changeResult;
}
// At this point, new configuration is enabled...
// If the current password storage scheme is already enabled then we
// don't do anything unless the class has changed in which case we
// should indicate that administrative action is required.
if (storageScheme != null)
{
if (classIsNew)
{
changeResult.setAdminActionRequired (true);
}
return changeResult;
}
// New entry cache is enabled and there were no previous one.
// Instantiate the new class and initalize it.
try
{
}
catch (InitializationException ie)
{
return changeResult;
}
return changeResult;
}
/**
* {@inheritDoc}
*/
public boolean isConfigurationAddAcceptable(
)
{
// returned status -- all is fine by default
boolean status = true;
// Make sure that no entry already exists with the specified DN.
{
status = false;
}
// If configuration is enabled then check that password storage scheme
// class can be instantiated.
else if (configuration.isEnabled())
{
// Get the name of the class and make sure we can instantiate it as
// an entry cache.
try
{
// Load the class but don't initialize it.
}
catch (InitializationException ie)
{
status = false;
}
}
return status;
}
/**
* {@inheritDoc}
*/
)
{
// Returned result.
);
// Register a change listener with it so we can be notified of changes
// to it over time.
configuration.addChangeListener(this);
if (configuration.isEnabled())
{
// Instantiate the class as password storage scheme
// and initialize it.
try
{
}
catch (InitializationException ie)
{
return changeResult;
}
}
return changeResult;
}
/**
* {@inheritDoc}
*/
public boolean isConfigurationDeleteAcceptable(
)
{
// A delete should always be acceptable, so just return true.
return true;
}
/**
* {@inheritDoc}
*/
)
{
// Returned result.
);
return changeResult;
}
/**
* Loads the specified class, instantiates it as a password storage scheme,
* and optionally initializes that instance. Any initialized password
* storage scheme is registered in the server.
*
* @param className The fully-qualified name of the password storage
* scheme class to load, instantiate, and initialize.
* @param configuration The configuration to use to initialize the
* password storage scheme, or {@code null} if the
* password storage scheme should not be initialized.
*
* @throws InitializationException If a problem occurred while attempting
* to initialize the class.
*/
private void loadAndInstallPasswordStorageScheme(
)
throws InitializationException
{
// Load the password storage scheme class...
<? extends PasswordStorageSchemeCfg> schemeClass;
// ... and install the password storage scheme in the server.
}
/**
* Loads the specified class, instantiates it as a password storage scheme,
* and optionally initializes that instance.
*
* @param className The fully-qualified name of the class
* to load, instantiate, and initialize.
* @param configuration The configuration to use to initialize the
* class. It must not be {@code null}.
* @param initialize Indicates whether the password storage scheme
* instance should be initialized.
*
* @return The possibly initialized password storage scheme.
*
* @throws InitializationException If a problem occurred while attempting
* to initialize the class.
*/
private PasswordStorageScheme <? extends PasswordStorageSchemeCfg>
boolean initialize)
throws InitializationException
{
try
{
PasswordStorageScheme<? extends PasswordStorageSchemeCfg>
PasswordStorageScheme.class
);
(PasswordStorageScheme<? extends PasswordStorageSchemeCfg>)
if (initialize)
{
"initializePasswordStorageScheme",
}
else
{
"isConfigurationAcceptable",
PasswordStorageSchemeCfg.class, List.class);
if (! acceptable)
{
if (! unacceptableReasons.isEmpty())
{
{
}
}
throw new InitializationException(message);
}
}
return passwordStorageScheme;
}
catch (Exception e)
{
);
throw new InitializationException(message, e);
}
}
/**
* Remove a password storage that has been installed in the server.
*
* @param configEntryDN the DN of the configuration enry associated to
* the password storage scheme to remove
*/
private void uninstallPasswordStorageScheme(
)
{
{
}
}
}