org.cdlib.xtf.servletBase

Class SessionURLRewriter

Object

SequenceReceiver

ProxyReceiver

SessionURLRewriter

All Implemented Interfaces:

Result, Receiver

public class SessionURLRewriter
extends ProxyReceiver

If session data has been established, this class takes care of adding the session ID to URLs output by a Saxon transformation.

Field Summary

Fields

Modifier and Type	Field and Description
private String	elementName
private Pattern	encodeURLPattern
private HttpServletRequest	httpRequest
private HttpServletResponse	httpResponse
private NamePool	namePool

Fields inherited from class ProxyReceiver

nextReceiver

Fields inherited from class SequenceReceiver

pipelineConfiguration, previousAtomic, systemId

Fields inherited from interface Result

PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING

Constructor Summary

Constructors

Constructor and Description
SessionURLRewriter(Receiver underlyingReceiver, Pattern encodeURLPattern, HttpServletRequest httpRequest, HttpServletResponse httpResponse) Construct the URL rewriter, recording a reference to the receiver that will get the data, and the HTTP servlet response we'll use to get session info and to rewrite URLs.

Method Summary

Modifier and Type	Method and Description
void	attribute(int nameCode, int typeCode, CharSequence value, int locationId, int properties) Called when an attribute is output.
private String	getLocalName(int nameCode) Get the local name corresponding to the given namecode
void	startElement(int nameCode, int typeCode, int locationId, int properties) Called when an element begins.

Methods inherited from class ProxyReceiver

append, characters, close, comment, endDocument, endElement, getConfiguration, getDocumentLocator, getNamePool, getUnderlyingReceiver, namespace, open, processingInstruction, setPipelineConfiguration, setSystemId, setUnderlyingReceiver, setUnparsedEntity, startContent, startDocument

Methods inherited from class SequenceReceiver

getPipelineConfiguration, getSystemId

Methods inherited from class Object

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

Field Detail

encodeURLPattern

private Pattern encodeURLPattern

httpRequest

private HttpServletRequest httpRequest

httpResponse

private HttpServletResponse httpResponse

namePool

private NamePool namePool

elementName

private String elementName

Constructor Detail

SessionURLRewriter

SessionURLRewriter(Receiver underlyingReceiver,
                   Pattern encodeURLPattern,
                   HttpServletRequest httpRequest,
                   HttpServletResponse httpResponse)

Construct the URL rewriter, recording a reference to the receiver that will get the data, and the HTTP servlet response we'll use to get session info and to rewrite URLs.

Method Detail

startElement

public void startElement(int nameCode,
                         int typeCode,
                         int locationId,
                         int properties)
                  throws XPathException

Called when an element begins. We simply record the name for later reference.

Specified by:

startElement in interface Receiver

Overrides:

startElement in class ProxyReceiver

Throws:

XPathException

attribute

public void attribute(int nameCode,
                      int typeCode,
                      CharSequence value,
                      int locationId,
                      int properties)
               throws XPathException

Called when an attribute is output. If it needs a session ID added, we do so here.

Specified by:

attribute in interface Receiver

Overrides:

attribute in class ProxyReceiver

Throws:

XPathException

getLocalName

private String getLocalName(int nameCode)

Get the local name corresponding to the given namecode