com.saperion.ngc.servlet

Class ViewerControlServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

com.saperion.ngc.servlet.ViewerControlServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ViewerControlServlet
extends javax.servlet.http.HttpServlet

Servlet used to control the viewer-popups. It keeps track about the opened documents.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	ACTION Request-parameter to pass actions.
static int	CLOSE Action used to notify the control servlet that the viewer window was closed.
static String	DATA Request-parameter to pass data required to perform the action.
static int	ELEMENT_CHANGE Action used to notify the control servlet that the user changed the displayed element.
static int	PDFJS_VIEWER_DISPLAYMODE Action used to get the render-mode for a pdfjs-viewer.
static String	RENDER_TARGET Request-parameter to signalize that an element should be marked for rendering.
static int	ROTATE Action used to notify the control servlet that the user rotated the document.
static int	SAPVIEWER_DOWNLOAD Action used to trogger a multi-element download from SAPViewer.
static int	SAPVIEWER_ELEMENT_CHANGE Action used to notify the control servlet that a new element was selected in SAP Viewer.
static int	SAPVIEWER_GET_DOCINFO Action used to keep sessions alive.
static int	SAPVIEWER_KEEPALIVE Action used to keep sessions alive.
static int	SAPVIEWER_NEW_URL Action used to notify the control servlet that the SAPViewer received a new URL.
static int	SAPVIEWER_RESOURCES Action used to get resources needed for SAPViewer.jsp.
static String	SEND_PLAIN_ID Request-parameter to decide whether to send plain ID or not.

Constructor Summary

Constructors

Constructor and Description
ViewerControlServlet()

Method Summary

Modifier and Type	Method and Description
protected void	doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp) Servlet's post-method.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

ELEMENT_CHANGE

public static final int ELEMENT_CHANGE

Action used to notify the control servlet that the user changed the displayed element.

See Also:

Constant Field Values

CLOSE

public static final int CLOSE

Action used to notify the control servlet that the viewer window was closed.

See Also:

Constant Field Values

ROTATE

public static final int ROTATE

Action used to notify the control servlet that the user rotated the document.

See Also:

Constant Field Values

SAPVIEWER_NEW_URL

public static final int SAPVIEWER_NEW_URL

Action used to notify the control servlet that the SAPViewer received a new URL.

See Also:

Constant Field Values

SAPVIEWER_RESOURCES

public static final int SAPVIEWER_RESOURCES

Action used to get resources needed for SAPViewer.jsp.

See Also:

Constant Field Values

SAPVIEWER_DOWNLOAD

public static final int SAPVIEWER_DOWNLOAD

Action used to trogger a multi-element download from SAPViewer.

See Also:

Constant Field Values

SAPVIEWER_KEEPALIVE

public static final int SAPVIEWER_KEEPALIVE

Action used to keep sessions alive.

See Also:

Constant Field Values

SAPVIEWER_GET_DOCINFO

public static final int SAPVIEWER_GET_DOCINFO

Action used to keep sessions alive.

See Also:

Constant Field Values

PDFJS_VIEWER_DISPLAYMODE

public static final int PDFJS_VIEWER_DISPLAYMODE

Action used to get the render-mode for a pdfjs-viewer.

See Also:

Constant Field Values

SAPVIEWER_ELEMENT_CHANGE

public static final int SAPVIEWER_ELEMENT_CHANGE

Action used to notify the control servlet that a new element was selected in SAP Viewer.

See Also:

Constant Field Values

ACTION

public static final String ACTION

Request-parameter to pass actions.

See Also:

Constant Field Values

DATA

public static final String DATA

Request-parameter to pass data required to perform the action.

See Also:

Constant Field Values

RENDER_TARGET

public static final String RENDER_TARGET

Request-parameter to signalize that an element should be marked for rendering.

See Also:

Constant Field Values

SEND_PLAIN_ID

public static final String SEND_PLAIN_ID

Request-parameter to decide whether to send plain ID or not.

See Also:

Constant Field Values

Constructor Detail

ViewerControlServlet

public ViewerControlServlet()

Method Detail

doPost

protected void doPost(javax.servlet.http.HttpServletRequest req,
                      javax.servlet.http.HttpServletResponse resp)
               throws javax.servlet.ServletException,
                      IOException

Servlet's post-method. Can be used to store information about a document opened in one specific viewer in the session.
URL-Parameters:

• action : defines the action to perform
• data : data needed to perform the action or null
• popupId : ID of the viewer-popup

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

req - serlvet request

resp - servlet response

Throws:

javax.servlet.ServletException - servlet exception

IOException - IO exception

See Also:

HttpServlet.doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)