com.yworks.yfiles.server.svg
Class SVGServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.yworks.yfiles.server.tiles.servlet.BaseServlet
              com.yworks.yfiles.server.svg.SVGServlet

All Implemented Interfaces:

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

public class SVGServlet

extends BaseServlet

This Servlet serves a graph as SVG.

See Also:

Serialized Form

Field Summary

static int

DEFAULT_SVG_BORDER

Fields inherited from class com.yworks.yfiles.server.tiles.servlet.BaseServlet

EDGE_DESCRIPTION_KEY, EDGE_URL_KEY, NODE_DESCRIPTION_KEY, NODE_URL_KEY

Constructor Summary

SVGServlet()

Method Summary

protected void	configureRewriteRenderer(SVGGraph2DRewriteRenderer renderer, SVGRenderContext ctx) Registers the SVGIdRewriteGraphVisitor if there is a prefix.
protected yext.svg.io.SVGIOHandler	createSVGIOHandler() Creates a new SVGIOHandler.
protected void	handleGetRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Returns the requested graph in svg format.
protected void	handlePostRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Redirects to SVGServlet.handleGetRequest.

Methods inherited from class com.yworks.yfiles.server.tiles.servlet.BaseServlet

addViewConfigurator, cachedGraphs, cacheGraph, doGet, doPost, getEdgeDescription, getEdgeURL, getForId, getGraph, getGraphBounds, getGraphContentBounds, getId, getId, getId, getId, getNodeDescription, getNodeURL, getReadWriteLock, getSessionMonitor, getViewConfigurators, getWriter, hasDescriptions, hasURLs, init, initialize, isUseJSONPrefixing, lookupId, lookupId, lookupId, lookupId, newGraph, readLock, registerLicense, removeViewConfigurator, setEdgeDescription, setEdgeURL, setNodeDescription, setNodeURL, uncacheGraph, unlockRead, unlockWrite, updateEdgePaths, validateIds, writeContentBounds, writeLock, writeWorldBounds

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SVG_BORDER

public static final int DEFAULT_SVG_BORDER

See Also:

Constant Field Values

Constructor Detail

SVGServlet

public SVGServlet()

Method Detail

handleGetRequest

protected void handleGetRequest(javax.servlet.http.HttpServletRequest request,
                                javax.servlet.http.HttpServletResponse response)
                         throws javax.servlet.ServletException,
                                IOException

Returns the requested graph in svg format. Supports the following request parameters:

path: String (required)

The name of the cached graph.

border: int (optional)

The border width of the graph.

prefix: String (optional)

The prefix of generated SVG-IDs.

If the requested graph could not be found, the response will be a 404 error.

Overrides:

handleGetRequest in class BaseServlet

Parameters:

request - The request

response - The response

Throws:

javax.servlet.ServletException

IOException

configureRewriteRenderer

protected void configureRewriteRenderer(SVGGraph2DRewriteRenderer renderer,
                                        SVGRenderContext ctx)

Registers the SVGIdRewriteGraphVisitor if there is a prefix. Can be overriden to further customize the generated SVG.

Parameters:

renderer - The renderer

ctx - The context

createSVGIOHandler

protected yext.svg.io.SVGIOHandler createSVGIOHandler()

Creates a new SVGIOHandler.

Returns:

The new SVGIOHandler

handlePostRequest

protected void handlePostRequest(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response)
                          throws javax.servlet.ServletException,
                                 IOException

Redirects to SVGServlet.handleGetRequest.

Overrides:

handlePostRequest in class BaseServlet

Parameters:

request - The request

response - The response

Throws:

javax.servlet.ServletException

IOException