org.deegree.enterprise.control.ajax
Class AbstractListener

java.lang.Object
  org.deegree.enterprise.control.ajax.AbstractListener

Direct Known Subclasses:

AbstractGazetteerListener, AbstractMetadataListener, AContextListener, AddLayerListener, AddTreeNodeListener, CalculateRouteListener, CollapseNodeListener, CreateWMCListener, DescribeTemplatesListener, DoConfigurationBlobListener, DoConfigurationListener, ExpandNodeListener, FullMetadataSetListener, GetBBOX4OSM_IDListener, GetEditableLayerListener, GetFeatureInfoListener, GetFeatureTypeListener, GetLayersInformationListener, GetMessagesListener, GetModulesListener, GetTemplatesListener, GetUserInfoListener, LayerTreeListener, MessageListener, MoveTreeNodeListener, PrintWMPSListener, RemoveTreeNodeListener, RenameTreeNodeListener, SaveFeatureListener, SearchNominatimListener, SecurityListener, SetVisibilityTreeNodeListener, StoreFrameListener, TestDBConnectionListener, ValidateGeographicNameListener

public abstract class AbstractListener
extends Object

The abstract listener allows the reuse of basic functionality.

Version:

$Revision: 29171 $

Author:

Torsten Friebe, Andreas Poth

Field Summary

protected static int

timeout

Constructor Summary

AbstractListener()

Method Summary

abstract void	actionPerformed(WebEvent event, ResponseHandler responseHandler)
protected String	getHomePath()
protected String	getInitParameter(String name) returns a named init parameter or null if the parameter is not known
protected List<ParameterValueIm>	getInitParameterList()
String	getNextPage()
protected javax.servlet.ServletRequest	getRequest()
(package private) void	handle(WebEvent event, ResponseHandler responseHandler)
protected void	handleException(ResponseHandler responseHandler, Exception e) writes an exception bean as a JSON object into output stream of the ResponseHandler
(package private) void	setInitParameterList(List<ParameterValueIm> params) sets the list of assigned initialization parameters
(package private) void	setNextPage(String nextPage)

Methods inherited from class java.lang.Object

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

Field Detail

timeout

protected static int timeout

Constructor Detail

AbstractListener

public AbstractListener()

Method Detail

actionPerformed

public abstract void actionPerformed(WebEvent event,
                                     ResponseHandler responseHandler)
                              throws IOException

Parameters:

event -

responseHandler -

Throws:

IOException

handle

final void handle(WebEvent event,
                  ResponseHandler responseHandler)
           throws IOException

Parameters:

event -

responseHandler -

Throws:

IOException

getRequest

protected javax.servlet.ServletRequest getRequest()

Returns:

the servlet request

getHomePath

protected String getHomePath()

Returns:

the path from the servlet context

setInitParameterList

void setInitParameterList(List<ParameterValueIm> params)

sets the list of assigned initialization parameters

Parameters:

params -

getInitParameterList

protected List<ParameterValueIm> getInitParameterList()

Returns:

the list of assigned initialization parameters

See Also:

setInitParameterList(List)

getInitParameter

protected String getInitParameter(String name)

returns a named init parameter or null if the parameter is not known

Parameters:

name -

Returns:

a named init parameter or null if the parameter is not known

setNextPage

void setNextPage(String nextPage)

Parameters:

nextPage -

getNextPage

public String getNextPage()

Returns:

handleException

protected void handleException(ResponseHandler responseHandler,
                               Exception e)
                        throws IOException

writes an exception bean as a JSON object into output stream of the ResponseHandler

Parameters:

responseHandler -

e -

Throws:

IOException