wt.method
Class WTAdapterImpl

java.lang.Object
  wt.method.WTAdapterImpl

All Implemented Interfaces:

IeCertificateRetriever, IeMultithreadedProcessor, IeProcessor, PropertyListener

public class WTAdapterImpl

extends Object

implements IeMultithreadedProcessor, IeCertificateRetriever, PropertyListener

Nested Class Summary

private class

WTAdapterImpl.ContextManager Inner class that keeps MethodContext instances alive between webjects.

Field Summary

private static String	DEFAULT_USER
private static String	DELEGATE_FACTORY
private static String	DELEGATE_TYPE
private static Method	factoryMethod
private static Boolean	initialized
private static WTAdapterImpl	instance Check the state of the current method context to determine whether a session is associated with it.
private static Method	invokeMethod
static String	LOCALE_KEY
private static int	MAX_SESSION_IDLE
private static String	RESOURCE
static String	SESSION_CONTAINER_KEY
static String	SESSION_TRANSACTION_KEY
static String	SESSION_USER_KEY
private static boolean	VERBOSE
private static boolean	VERBOSE_EXCEPTION
private static boolean	VERBOSE_SESSION
private static boolean	VERBOSE_WEBJECT

Constructor Summary

WTAdapterImpl()

Method Summary

static void	checkSession(MethodContext context)
private String	getUser(Webject webject, Task task) Returns a verified username, if any, from a specified webject and/or task object.
void	initialize(String serviceName, com.infoengine.log.LogWriter log) Initialize the adapter implementation class.
void	initialize(String serviceName, Properties properties, com.infoengine.log.LogWriter log)
private WTAdapterImpl.ContextManager	newContextManager(MethodContext context)
IeRequest	processRequest(Request request) Process a request to execute a webject or a task.
private IeRequest	processTask(Task task) Process a request to execute a task.
private IeRequest	processWebject(Task task, Webject webject) Process a request to execute a webject.
void	refreshProperties() Refresh static System properties after a dynamic property update.
Certificate	retrieveCertificate(String owner) Returns the certificate for a principal specified by name.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

DELEGATE_FACTORY

private static final String DELEGATE_FACTORY

See Also:

Constant Field Values

DELEGATE_TYPE

private static final String DELEGATE_TYPE

See Also:

Constant Field Values

LOCALE_KEY

public static final String LOCALE_KEY

See Also:

Constant Field Values

SESSION_CONTAINER_KEY

public static final String SESSION_CONTAINER_KEY

See Also:

Constant Field Values

SESSION_USER_KEY

public static final String SESSION_USER_KEY

See Also:

Constant Field Values

SESSION_TRANSACTION_KEY

public static final String SESSION_TRANSACTION_KEY

See Also:

Constant Field Values

MAX_SESSION_IDLE

private static int MAX_SESSION_IDLE

VERBOSE

private static boolean VERBOSE

VERBOSE_EXCEPTION

private static boolean VERBOSE_EXCEPTION

VERBOSE_SESSION

private static boolean VERBOSE_SESSION

VERBOSE_WEBJECT

private static boolean VERBOSE_WEBJECT

DEFAULT_USER

private static String DEFAULT_USER

factoryMethod

private static Method factoryMethod

invokeMethod

private static Method invokeMethod

initialized

private static Boolean initialized

instance

private static WTAdapterImpl instance

Check the state of the current method context to determine whether a session is associated with it. If a session is associated, assign the context to a context manager thread to ensure that it is not unregistered prematurely. If the context is not associated with a session, unregister it.

Constructor Detail

WTAdapterImpl

public WTAdapterImpl()

Method Detail

initialize

public void initialize(String serviceName,
                       com.infoengine.log.LogWriter log)

Description copied from interface: IeProcessor

Initialize the adapter implementation class.

Specified by:

initialize in interface IeProcessor

Parameters:

serviceName - Logical name defined for this implementation

log - file to write informational and debug messages.

initialize

public void initialize(String serviceName,
                       Properties properties,
                       com.infoengine.log.LogWriter log)

refreshProperties

public void refreshProperties()

Refresh static System properties after a dynamic property update.

Specified by:

refreshProperties in interface PropertyListener

processRequest

public IeRequest processRequest(Request request)
                         throws IEException

Process a request to execute a webject or a task.

Specified by:

processRequest in interface IeProcessor

Parameters:

request - The request object that conveys the webject or task to be executed.

Returns:

The response.

Throws:

IEException - if the request is not executed successfully.

checkSession

public static void checkSession(MethodContext context)

newContextManager

private WTAdapterImpl.ContextManager newContextManager(MethodContext context)

processTask

private IeRequest processTask(Task task)
                       throws Exception

Process a request to execute a task.

Parameters:

task - The task object that contains the URI of the task to be executed and the input groups associated with it.

Returns:

The task response object.

Throws:

IEException - if anything goes wrong.

Exception

processWebject

private IeRequest processWebject(Task task,
                                 Webject webject)
                          throws Exception

Process a request to execute a webject.

Parameters:

task - The task object that contains the webject to be executed and the input groups associated with it.

webject - The webject itself.

Returns:

The webject response object.

Throws:

IEException - if anything goes wrong.

Exception

retrieveCertificate

public Certificate retrieveCertificate(String owner)
                                throws IEException

Returns the certificate for a principal specified by name.

Specified by:

retrieveCertificate in interface IeCertificateRetriever

Parameters:

owner - The name of the principal.

Returns:

The principal's certificate, or null if the principal does not have a certificate.

Throws:

SocketAccessException - if the certificate can not be retrieved successfully.

IEException - if the certificate can not be retrieved.

getUser

private String getUser(Webject webject,
                       Task task)
                throws WTException

Returns a verified username, if any, from a specified webject and/or task object.

Parameters:

webject - Webject possibly containing authentication info

task - Task possibly containing signed auth-user info

Returns:

A verified username, or null if no username verified.

Throws:

WTException