org.apache.lenya.cms.cocoon.acting
Class LanguageExistsAction

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.acting.AbstractAction
          org.apache.lenya.cms.cocoon.acting.LanguageExistsAction

All Implemented Interfaces:

org.apache.avalon.framework.component.Component, org.apache.avalon.framework.logger.LogEnabled, org.apache.cocoon.acting.Action

public class LanguageExistsAction
extends org.apache.cocoon.acting.AbstractAction

Action that checks the sitetree if there is a node with the current document-id and the current language, i.e. if the current document has a version in the current language.

Field Summary

Fields inherited from class org.apache.cocoon.acting.AbstractAction

EMPTY_MAP

Fields inherited from interface org.apache.cocoon.acting.Action

ROLE

Constructor Summary

LanguageExistsAction()

Method Summary

java.util.Map

act(org.apache.cocoon.environment.Redirector redirector, org.apache.cocoon.environment.SourceResolver resolver, java.util.Map objectModel, java.lang.String source, org.apache.avalon.framework.parameters.Parameters parameters) Check if the current document-id has a document for the currently requested language.

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Constructor Detail

LanguageExistsAction

public LanguageExistsAction()

Method Detail

act

public java.util.Map act(org.apache.cocoon.environment.Redirector redirector,
                         org.apache.cocoon.environment.SourceResolver resolver,
                         java.util.Map objectModel,
                         java.lang.String source,
                         org.apache.avalon.framework.parameters.Parameters parameters)
                  throws PageEnvelopeException,
                         DocumentDoesNotExistException,
                         DocumentException

Check if the current document-id has a document for the currently requested language. If yes return an empty map, if not return null.

Parameters:

redirector - a Redirector value

resolver - a SourceResolver value

objectModel - a Map value

source - a String value

parameters - a Parameters value

Returns:

an empty Map if there is a version of this document for the current language, null otherwiese

Throws:

DocumentDoesNotExistException - if there is no document with the specified document-id.

PageEnvelopeException - if the PageEnvelope could not be created.

DocumentException - if the language information could not be fetched from the document.