com.yworks.yfiles.server.graphml.support
Class GraphDecoder

java.lang.Object
  com.yworks.yfiles.server.graphml.support.GraphDecoder

public class GraphDecoder

extends java.lang.Object

Utility class that extracts an input stream from a HTTP request, performing some decoding if necessary.

Constructor Summary

GraphDecoder()

Method Summary

java.io.InputStream

getGraphInputStream(HttpServletRequest request, java.lang.String graphParam) Extracts an input stream from the given request using the given parameter.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphDecoder

public GraphDecoder()

Method Detail

getGraphInputStream

public java.io.InputStream getGraphInputStream(HttpServletRequest request,
                                               java.lang.String graphParam)
                                        throws java.io.IOException

Extracts an input stream from the given request using the given parameter.

The "graphEncoding" parameter string is used to determine whether the graph string has to be deflated/decoded.

Valid encoding strings that may be part of the "graphEncoding" parameter are: "base64", "zlib" and "encodeURIComponent".

Parameters:

request - The current HTTP request

graphParam - The parameter which was used to send the GraphML data.

Returns:

An input stream for reading the GraphML data or zero-length input stream.

Throws:

java.io.IOException