com.yworks.yfiles.server.graphml.servlets
Class UploadServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.yworks.yfiles.server.graphml.servlets.UploadServlet

All Implemented Interfaces:

java.io.Serializable, Servlet, ServletConfig

public class UploadServlet

extends HttpServlet

Simple upload servlet that takes the request from a client and sends the content back in the response. This servlet expects "multipart/form-data" as sent from a call to flash.net.FileReference.upload or a com.yfiles.remote.UploadHandler.

See Also:

Serialized Form

Constructor Summary

UploadServlet()
Calls the UploadServlet(String) constructor using AbstractGraphRoundtripSupport.PARAM_GRAPH as the parameter name.

UploadServlet(java.lang.String graphParameter)
Creates a new instance using the provided parameter to get the graphml string from the HttpServletRequest.

Method Summary

protected void	doGet(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
protected void	doPost(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
protected java.lang.String	getContentType() Get the content type that will be used for the response header.
protected java.util.HashMap	parseMultipart(HttpServletRequest request) Parses the HttpServletRequest's InputStream for the parameters of a multipart/form-data encoded request.

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, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

UploadServlet

public UploadServlet()

Calls the UploadServlet(String) constructor using AbstractGraphRoundtripSupport.PARAM_GRAPH as the parameter name.

UploadServlet

public UploadServlet(java.lang.String graphParameter)

Creates a new instance using the provided parameter to get the graphml string from the HttpServletRequest.

Parameters:

graphParameter - the name of the parameter of null if the ServletInputStream shall be used.

Method Detail

doGet

protected void doGet(HttpServletRequest httpServletRequest,
                     HttpServletResponse httpServletResponse)
              throws java.io.IOException,
                     ServletException

Throws:

java.io.IOException

ServletException

getContentType

protected java.lang.String getContentType()

Get the content type that will be used for the response header.

Depending on the servlet container configuration, the response content type might determine whether the servlet container sends a compressed response.

Returns:

A conten MIME type. This implementation returns "text/xml".

doPost

protected void doPost(HttpServletRequest httpServletRequest,
                      HttpServletResponse httpServletResponse)
               throws ServletException,
                      java.io.IOException

Throws:

ServletException

java.io.IOException

parseMultipart

protected java.util.HashMap parseMultipart(HttpServletRequest request)
                                    throws java.io.IOException

Parses the HttpServletRequest's InputStream for the parameters of a multipart/form-data encoded request.

Parameters:

request - The request to parse.

Returns:

A HashMap with the parameter names as key and the content as value

Throws:

java.io.IOException