ilog.views.faces.dhtml.servlet

Class IlvFacesManagerServletSupport

java.lang.Object

ilog.views.util.servlet.IlvServletSupport

ilog.views.servlet.IlvManagerServletSupport

ilog.views.faces.dhtml.servlet.IlvFacesManagerServletSupport

All Implemented Interfaces:

IlvDHTMLConstants, IlvDHTMLFrameworkConstants, IlvFacesConstants, IlvFrameworkConstants

Direct Known Subclasses:

IltFacesGraphServletSupport

public class IlvFacesManagerServletSupport
extends IlvManagerServletSupport
implements IlvFacesConstants, IlvDHTMLFrameworkConstants

The IlvFacesManagerServletSupport class is an extension of the IlvManagerServletSupport that handles requests coming from the DHTML faces view component.

Since:

JViews 6.5

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	IMAGE_MAP_GENERATOR_PARAM The name of the image map generator request parameter.
protected static String	TILE_MANAGER_PARAM

Fields inherited from class ilog.views.servlet.IlvManagerServletSupport

ImageMapAreaGeneratorProperty

Fields inherited from interface ilog.views.faces.dhtml.IlvDHTMLFrameworkConstants

SESSION_ID_PREFIX, STATE_URL, STATIC_LAYERS_COUNT_PARAM, TILE_MANAGER, UPDATE_INTERVAL

Fields inherited from interface ilog.views.faces.IlvFrameworkConstants

AUTO_REFRESH, BOUNDING_BOX, COLOR, CONSTRAINED_ON_CONTENTS, GROUPABLE, HITMAP_LAYERS, IGNORE_CONTENT_ASPECT_RATIO, INTERACTOR, INTERACTOR_ID, MAX_ZOOM_LEVEL, MIN_ZOOM_LEVEL, NB_BUTTONS, OPACITY, ORIENTATION, ORIENTATION_HORIZONTAL, ORIENTATION_VERTICAL, PAN_FACTOR, STATIC_LAYERS_COUNT, TEMPLATE, TILE_SIZE, TOLERANCE, VISIBLE_LAYERS, ZOOM_FACTOR, ZOOM_LEVELS

Fields inherited from interface ilog.views.faces.dhtml.IlvDHTMLConstants

ACCESSIBLE, ACTION_NAME, AUTO_SUBMIT, BACKGROUND_COLOR, CAPABILITIES_LOADED_HANDLER, COMPONENT, DO_ACTION_ON_BG_DESELECT, ERROR_MESSAGE, GENERATE_IMAGE_MAP, HOTKEYS, IMAGE_FORMAT, IMAGE_LOADED_HANDLER, IMAGE_MAP_GENERATOR, IMAGE_MAP_GENERATOR_CLASS, IMAGE_MAP_VISIBLE, IMAGE_SERVLET_CONTEXT, INVOCATION_CONTEXT, JSF_CONTEXT, ON_CLICK, ON_SELECTION_CHANGED, PARTIAL_SUBMIT, PORTLET_CONTEXT_KEY, PORTLET_SESSION_KEY, REPLACE_PATTERN, RESIZABLE, SELECTION_RESIZABLE_CLASS, SESSION_EXP_HANDLER, SUBMITTED_VALUE, WAITING_IMAGE

Fields inherited from interface ilog.views.faces.IlvFacesConstants

AFTER_HANDLER, BASETEXTDIRECTION, BEFORE_HANDLER, BUTTON_GROUP_ID, BUTTON_TYPE, CHARTS_BUNDLE, CHARTS_MESSAGE_BUNDLE, CORE_BUNDLE, CORE_MESSAGE_BUNDLE, CURSOR, DATA, DECODED_PROPERTY, DEFAULT_LINE_COLOR, DELETION_ALLOWED, DIAGRAMMER_BUNDLE, DIAGRAMMER_MESSAGE_BUNDLE, ENABLED, EVENT_TYPE, FILL_ON, FORCE_UPDATE_PROPERTIES, FRAMEWORK_BUNDLE, FRAMEWORK_MESSAGE_BUNDLE, GANTT_BUNDLE, GANTT_MESSAGE_BUNDLE, HEIGHT, IMAGE, IMAGE_MODE, INFO_PROVIDER_MB, INT_NOT_DEFINED, INTERACTORS, INTERCEPT_INTERACTOR, ITEM_DISABLED_STYLE_CLASS, ITEM_HIGHLIGHTED_STYLE_CLASS, ITEM_STYLE_CLASS, LINE_COLOR, LINE_WIDTH, MAPS_BUNDLE, MAPS_MESSAGE_BUNDLE, MENU_MODEL_ID, MESSAGE, MESSAGE_BOX, MESSAGE_BOX_ID, MOVE_ALLOWED, OBJECT_FINDER, PARAM_COMPID, PARAM_DATA, PARAM_KEY, PARAM_NAMESPACE, PARAM_RESOURCE, PARAM_SERVICE, PARAM_TYPE, POPUP_MENU, POPUP_MENU_FACTORY, POPUP_MENU_FACTORY_CLASS, PORTLET_NAMESPACE, PROGRESSIVE_ZOOM, PROJECT, RENDER, RESOURCES_PATH, RESOURCES_PATH_PREFIX, ROLLOVER_IMAGE, SCROLL_BAR, SELECTED, SELECTED_IMAGE, SERVICE_FORWARD, SERVICE_FORWARD_INT, SERVLET, SERVLET_CLASS, SERVLET_URL, STYLE, STYLE_CLASS, TGO_BUNDLE, TGO_MESSAGE_BUNDLE, TITLE, TOGGLE, VALUE, VIEW, VIEW_ID, WIDTH

Constructor Summary

Constructors

Constructor and Description
IlvFacesManagerServletSupport() Deprecated. Beginning with JViews 8.1 use IlvFacesManagerServletSupport(ServletContext) instead.
IlvFacesManagerServletSupport(javax.servlet.ServletContext context) Creates an new IlvFacesManagerServletSupport instance.

Method Summary

Modifier and Type	Method and Description
protected void	additionalCapabilities(javax.servlet.http.HttpServletRequest request, javax.servlet.ServletOutputStream out, String mimeFormat) Allows you to add additional capabilities to the capability request.
protected IlvPopupMenuServletSupport	createPopupMenuSupport() Creates a new instance of pop-up menu servlet support.
protected BufferedImage	generateImage(javax.servlet.http.HttpServletRequest request, IlvRect bbox, int width, int height, String[] requestedLayers, Color bgColor, boolean transparent) Deprecated.
protected FacesContext	getFacesContext(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Returns an artificial faces context to use value bindings.
protected IlvImageMapAreaGenerator	getImageMapAreaGenerator(javax.servlet.http.HttpServletRequest request, IlvGraphic obj, IlvManagerView view, IlvTransformer t) Returns the area generator for the specified graphic object.
protected Object	getLock(javax.servlet.http.HttpServletRequest request) Returns a locking object that is used to lock the content of the manager while it is being rendered.
IlvManagerView	getManagerView(javax.servlet.http.HttpServletRequest request) Returns the manager view used for the specified request.
protected IlvMenuFactory	getMenuFactory(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Retrieves or creates the menu factory used in this pop-up menu request.
IlvTileManager	getTileManager(javax.servlet.http.HttpServletRequest request) Returns the tile manager.
boolean	handleRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Responds to HTTP requests.
protected void	installImageMapAreaGenerator(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Installs the image map generator passed as a request parameter.
protected void	installImageMapAreaGenerator(IlvManager manager, IlvImageMapAreaGenerator generator) Deprecated. Since JViews 8.1 use shouldGenerateImageMap(HttpServletRequest, IlvManagerLayer, IlvManagerView, IlvTransformer)} and/or getImageMapAreaGenerator(HttpServletRequest, IlvGraphic, IlvManagerView, IlvTransformer) to filter the objects that will generate image map areas.
protected boolean	isOverviewRequest(javax.servlet.http.HttpServletRequest request) Returns true if the specified request is an overview image request, false otherwise.
protected boolean	isSessionExpired(javax.servlet.http.HttpServletRequest request) This method returns true if the session has expired.
protected void	prepareManagerView(javax.servlet.http.HttpServletRequest request, IlvManagerView view) Allows you to prepare the manager view content before the image is generated or the capabilities are computed.
protected boolean	shouldGenerateImageMap(javax.servlet.http.HttpServletRequest request, IlvManagerLayer layer, IlvManagerView view, IlvTransformer t) Returns true if image map information should be generated for the specified layer.

Methods inherited from class ilog.views.servlet.IlvManagerServletSupport

additionalCapabilities, addServerActionListener, addServerActionListener, beforeDraw, createSelectionSupport, encodeImage, generateImageWhenSessionExpired, getAdditionalCapabilities, getAntialiasing, getContentLengthEnable, getContext, getDefaultImageMapHREF, getDynamicLayers, getExpirationDate, getGraphicObjectComparator, getHitmapSupport, getInternalLock, getJPEGQuality, getKey, getLayers, getManagerBBox, getManagerLayerComparator, getMaxZoomLevel, getMinZoomLevel, getPopupMenuSupport, getSelectionSupport, getZoomLevels, isOverviewLayer, isPopupEnabled, isSelectionEnabled, isVerbose, removeServerActionListener, removeServerActionListener, setAntialiasing, setContentLengthEnable, setImageResponseCachePolicy, setJPEGQuality, setPopupEnabled, setSelectionEnabled, setVerbose, useTileManager

Methods inherited from class ilog.views.util.servlet.IlvServletSupport

doGetScriptMessage, getParameterValidationListener, getScriptMessageSupport, setParameterValidationListener

Methods inherited from class java.lang.Object

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

Field Detail

IMAGE_MAP_GENERATOR_PARAM

protected static final String IMAGE_MAP_GENERATOR_PARAM

The name of the image map generator request parameter.

Since:

JViews 7.5

See Also:

Constant Field Values

TILE_MANAGER_PARAM

protected static final String TILE_MANAGER_PARAM

Since:

JViews 8.0

See Also:

Constant Field Values

Internal: do not use!

Constructor Detail

IlvFacesManagerServletSupport

@Deprecated
public IlvFacesManagerServletSupport()

Deprecated. Beginning with JViews 8.1 use IlvFacesManagerServletSupport(ServletContext) instead.

Creates an new IlvFacesManagerServletSupport instance.

Since:

JViews 7.5

IlvFacesManagerServletSupport

public IlvFacesManagerServletSupport(javax.servlet.ServletContext context)

Creates an new IlvFacesManagerServletSupport instance.

Parameters:

context - The servlet context

Method Detail

createPopupMenuSupport

protected IlvPopupMenuServletSupport createPopupMenuSupport()

Creates a new instance of pop-up menu servlet support.

Overrides:

createPopupMenuSupport in class IlvManagerServletSupport

Returns:

A new pop-up menu servlet support.

getFacesContext

protected FacesContext getFacesContext(javax.servlet.http.HttpServletRequest request,
                                       javax.servlet.http.HttpServletResponse response)

Returns an artificial faces context to use value bindings. If no current instance is found a new one is created.

Parameters:

request - The HTTP request.

response - The HTTP response.

Returns:

A faces context instance.

Since:

JViews 7.5

installImageMapAreaGenerator

@Deprecated
protected void installImageMapAreaGenerator(IlvManager manager,
                                                        IlvImageMapAreaGenerator generator)

Deprecated. Since JViews 8.1 use shouldGenerateImageMap(HttpServletRequest, IlvManagerLayer, IlvManagerView, IlvTransformer)} and/or getImageMapAreaGenerator(HttpServletRequest, IlvGraphic, IlvManagerView, IlvTransformer) to filter the objects that will generate image map areas.

Installs the specified image map generator in all the objects of the manager.

Parameters:

manager - The manager.

generator - The image map generator.

Since:

JViews 7.5

installImageMapAreaGenerator

protected void installImageMapAreaGenerator(javax.servlet.http.HttpServletRequest request,
                                            javax.servlet.http.HttpServletResponse response)

Installs the image map generator passed as a request parameter.

Parameters:

request - The HTTP request.

response - The HTTP response.

Since:

JViews 7.5

getImageMapAreaGenerator

protected IlvImageMapAreaGenerator getImageMapAreaGenerator(javax.servlet.http.HttpServletRequest request,
                                                            IlvGraphic obj,
                                                            IlvManagerView view,
                                                            IlvTransformer t)

Returns the area generator for the specified graphic object.

Overrides:

getImageMapAreaGenerator in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

obj - The graphic object for which the area will be generated.

view - The manager view for the specified request.

t - The transformer used to draw the view.

shouldGenerateImageMap

protected boolean shouldGenerateImageMap(javax.servlet.http.HttpServletRequest request,
                                         IlvManagerLayer layer,
                                         IlvManagerView view,
                                         IlvTransformer t)

Returns true if image map information should be generated for the specified layer.

Overrides:

shouldGenerateImageMap in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

layer - The layer.

view - The manager view for the specified request.

t - The transformer used to draw the view.

isSessionExpired

protected boolean isSessionExpired(javax.servlet.http.HttpServletRequest request)

This method returns true if the session has expired.

Parameters:

request - The request being processed.

Returns:

true if the session expired.

isOverviewRequest

protected boolean isOverviewRequest(javax.servlet.http.HttpServletRequest request)

Returns true if the specified request is an overview image request, false otherwise.

Parameters:

request - The http request.

Returns:

true if the specified request is an overview image request, false otherwise.

Since:

JViews 7.5

getManagerView

public IlvManagerView getManagerView(javax.servlet.http.HttpServletRequest request)
                              throws javax.servlet.ServletException

Returns the manager view used for the specified request. You can return always the same manager view, or return a manager view for each request session if the content of the manager depends on the session.

Specified by:

getManagerView in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

Throws:

javax.servlet.ServletException

getMenuFactory

protected IlvMenuFactory getMenuFactory(javax.servlet.http.HttpServletRequest request,
                                        javax.servlet.http.HttpServletResponse response)
                                 throws javax.servlet.ServletException

Retrieves or creates the menu factory used in this pop-up menu request.

Parameters:

request - The http request.

response - The http response.

Returns:

The factory that will generate the requested pop-up menu.

Throws:

javax.servlet.ServletException

Since:

JViews 7.5

handleRequest

public boolean handleRequest(javax.servlet.http.HttpServletRequest request,
                             javax.servlet.http.HttpServletResponse response)
                      throws IOException,
                             javax.servlet.ServletException

Responds to HTTP requests. This method responds to image or capabilities requests . It returns false if the request is not a request recognized by this servlet.

Overrides:

handleRequest in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

response - The HTTP response.

Returns:

false when the request is not recognized by this servlet.

Throws:

IOException - The IOException

javax.servlet.ServletException - The ServletException

generateImage

@Deprecated
protected BufferedImage generateImage(javax.servlet.http.HttpServletRequest request,
                                                  IlvRect bbox,
                                                  int width,
                                                  int height,
                                                  String[] requestedLayers,
                                                  Color bgColor,
                                                  boolean transparent)
                                           throws javax.servlet.ServletException

Deprecated.

Generates the image. You may override this method to add additional information on the generated image.

Overrides:

generateImage in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

bbox - The area of the manager to draw.

width - The width of the image.

height - The height of the image.

requestedLayers - An array of layer names to draw.

bgColor - The background color of the image

transparent - Indicates if the image should be transparent.

Throws:

javax.servlet.ServletException

getTileManager

public IlvTileManager getTileManager(javax.servlet.http.HttpServletRequest request)
                              throws javax.servlet.ServletException

Returns the tile manager. The tile manager is responsible for retrieving and/or storing image tiles.

Overrides:

getTileManager in class IlvManagerServletSupport

Parameters:

request - The http request.

Returns:

The tile manager.

Throws:

javax.servlet.ServletException

additionalCapabilities

protected void additionalCapabilities(javax.servlet.http.HttpServletRequest request,
                                      javax.servlet.ServletOutputStream out,
                                      String mimeFormat)

Allows you to add additional capabilities to the capability request. They must be put in the stream as a JSON fragment. Example:

   , 'myprop1' : 'myvalue1', 'myprop2' : 'myvalue2'
 

Overrides:

additionalCapabilities in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

out - The servlet output stream for writing additional capabilities.

mimeFormat - since JViews 8.1 always set to "json"

prepareManagerView

protected void prepareManagerView(javax.servlet.http.HttpServletRequest request,
                                  IlvManagerView view)
                           throws javax.servlet.ServletException

Allows you to prepare the manager view content before the image is generated or the capabilities are computed. The current implementation does nothing. Overridden to configure the manager view for tiling and to add support for IlvJComponentGraphic objects.

Overrides:

prepareManagerView in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

view - The manager view returned by getManagerView.

Throws:

javax.servlet.ServletException

Since:

JViews 8.0

getLock

protected Object getLock(javax.servlet.http.HttpServletRequest request)

Returns a locking object that is used to lock the content of the manager while it is being rendered.

The default implementation returns an object that identifies the manager view. This allows the getManagerView method to always return the same IlvManagerView without leading to multithreading problems.

This lock must never be taken on the AWT/Swing thread, otherwise deadlocks may occur.

Overrides:

getLock in class IlvManagerServletSupport

Parameters:

request - The current HTTP request.

See Also:

IlvManagerServletSupport.getManagerView(javax.servlet.http.HttpServletRequest)