atg.integrations
Class BaseCommandHandler

java.lang.Object
  atg.nucleus.logging.VariableArgumentApplicationLoggingImpl
      atg.nucleus.GenericService
          atg.integrations.BaseCommandHandler

All Implemented Interfaces:

CommandHandler, atg.naming.AbsoluteNameable, NameContextBindingListener, NameContextElement, atg.naming.NameContextParentable, NameResolver, AdminableService, atg.nucleus.Configured, ApplicationLogging, atg.nucleus.logging.ApplicationLoggingSender, atg.nucleus.logging.TraceApplicationLogging, VariableArgumentApplicationLogging, ComponentNameResolver, Service, ServiceListener, java.util.EventListener

public class BaseCommandHandler
extends GenericService
implements CommandHandler

This class is the implementaion of CommandHandler interface that calls the nextCommandHandler if it is defined, or will executes the Command object passed if it is not..

Field Summary

static java.lang.String

CLASS_VERSION

Fields inherited from class atg.nucleus.GenericService

SERVICE_INFO_KEY

Fields inherited from interface atg.nucleus.logging.TraceApplicationLogging

DEFAULT_LOG_TRACE_STATUS

Fields inherited from interface atg.nucleus.logging.ApplicationLogging

DEFAULT_LOG_DEBUG_STATUS, DEFAULT_LOG_ERROR_STATUS, DEFAULT_LOG_INFO_STATUS, DEFAULT_LOG_WARNING_STATUS

Constructor Summary

BaseCommandHandler()

Method Summary

CommandResult	executeCommand(Command pCommand, java.lang.Object pInput) Checks to see if nextCommandHandler is set.
CommandHandler	getNextCommandHandler() Returns Next Command Handler to invoke in the command invocation chain.
void	setNextCommandHandler(CommandHandler pNextCommandHandler) Sets Next CommandHandler in the command invocation chain to invoke

Methods inherited from class atg.nucleus.GenericService

addLogListener, createAdminServlet, doStartService, doStopService, getAbsoluteName, getAdminServlet, getAdminServletOutputStreamEncoding, getLoggingForVlogging, getLogListenerCount, getLogListeners, getName, getNameContext, getNucleus, getRoot, getServiceConfiguration, getServiceInfo, isAdminServletUseServletOutputStream, isLoggingDebug, isLoggingError, isLoggingInfo, isLoggingTrace, isLoggingWarning, isRunning, logDebug, logDebug, logDebug, logError, logError, logError, logInfo, logInfo, logInfo, logTrace, logTrace, logTrace, logWarning, logWarning, logWarning, nameContextElementBound, nameContextElementUnbound, removeLogListener, reResolveThis, resolveName, resolveName, resolveName, resolveName, sendLogEvent, setAdminServletOutputStreamEncoding, setAdminServletUseServletOutputStream, setLoggingDebug, setLoggingError, setLoggingInfo, setLoggingTrace, setLoggingWarning, setNucleus, setServiceInfo, startService, stopService

Methods inherited from class atg.nucleus.logging.VariableArgumentApplicationLoggingImpl

vlogDebug, vlogDebug, vlogDebug, vlogDebug, vlogDebugTrace, vlogError, vlogError, vlogError, vlogError, vlogInfo, vlogInfo, vlogInfo, vlogInfo, vlogTrace, vlogTrace, vlogTrace, vlogTrace, vlogWarning, vlogWarning, vlogWarning, vlogWarning

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_VERSION

public static java.lang.String CLASS_VERSION

Constructor Detail

BaseCommandHandler

public BaseCommandHandler()

Method Detail

getNextCommandHandler

public CommandHandler getNextCommandHandler()

Returns Next Command Handler to invoke in the command invocation chain. If this is set, then it will be called. If it is not, then the Command is executed.

Specified by:

getNextCommandHandler in interface CommandHandler

Returns:

the NextCommandHandler

setNextCommandHandler

public void setNextCommandHandler(CommandHandler pNextCommandHandler)

Sets Next CommandHandler in the command invocation chain to invoke

executeCommand

public CommandResult executeCommand(Command pCommand,
                                    java.lang.Object pInput)
                             throws CommandInvocationException,
                                    CommandTimeoutException,
                                    InvalidInputException

Checks to see if nextCommandHandler is set. If it is, then nextCommandHandler.executeCommand() is called. If it is not, then this method will call the execute method on the command. In either case, pInput is the input to the method, and a CommandResult is returned.

Specified by:

executeCommand in interface CommandHandler

Parameters:

pCommand - the Command to invoke with the given input.

pInput - the input Map to the Command

Returns:

the CommandResult from invoking nextCommandHandler.executeCommand() or Command.execute()

Throws:

CommandInvocationException - if any error occurs or exception is thrown while executing the Command.

CommandTimeoutException - if timeout occurs while invoking the command.

InvalidInputException - if input object passed is invalid.