org.apache.cocoon.portal.reading
Class ProxyReader

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.reading.AbstractReader
          org.apache.cocoon.reading.ServiceableReader
              org.apache.cocoon.portal.reading.ProxyReader

All Implemented Interfaces:

Poolable, Recyclable, Component, LogEnabled, Serviceable, Reader, SitemapModelComponent, SitemapOutputComponent

public class ProxyReader
extends ServiceableReader

This reader is used to retrieve non XML content from external applications routet via the portal site. Requests from external resources are marked with a proxy prefix and have coplet id and portal name attached as request parameters. The portal name and coplet id are used to look up necessary connection data for the external request (like session id, cookies, document base, etc.) from the application coplet instance data.

Version:

CVS $Id: ProxyReader.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Gernot Koller, Friedrich Klenner

Field Summary

protected CopletInstanceData	copletInstanceData The coplet instance data
protected String	prefix The prefix
protected Request	request The origninal HTTP request
protected Response	response The HTTP response

Fields inherited from class org.apache.cocoon.reading.ServiceableReader

manager

Fields inherited from class org.apache.cocoon.reading.AbstractReader

objectModel, out, parameters, resolver, source

Fields inherited from interface org.apache.cocoon.reading.Reader

ROLE

Constructor Summary

ProxyReader()

Method Summary

protected HttpURLConnection	connect(Request request, String uri) Establish the HttpURLConnection to the given uri.
void	generate() Send the request to the external WebServer
void	recycle() Recycle the component
protected void	sendData(InputStream in) Copy the data to the original response stream
void	setup(SourceResolver resolver, Map objectModel, String src, Parameters par) Set the SourceResolver the object model Map, the source and sitemap Parameters used to process the request.

Methods inherited from class org.apache.cocoon.reading.ServiceableReader

service

Methods inherited from class org.apache.cocoon.reading.AbstractReader

getLastModified, getMimeType, setOutputStream, shouldSetContentLength

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

copletInstanceData

protected CopletInstanceData copletInstanceData

The coplet instance data

response

protected Response response

The HTTP response

request

protected Request request

The origninal HTTP request

prefix

protected String prefix

The prefix

Constructor Detail

ProxyReader

public ProxyReader()

Method Detail

setup

public void setup(SourceResolver resolver,
                  Map objectModel,
                  String src,
                  Parameters par)
           throws ProcessingException,
                  SAXException,
                  IOException

Description copied from class: AbstractReader

Set the SourceResolver the object model Map, the source and sitemap Parameters used to process the request.

Specified by:

setup in interface SitemapModelComponent

Overrides:

setup in class AbstractReader

Throws:

ProcessingException

SAXException

IOException

See Also:

SitemapModelComponent.setup(SourceResolver, Map, String, Parameters)

recycle

public void recycle()

Description copied from class: AbstractReader

Recycle the component

Specified by:

recycle in interface Recyclable

Overrides:

recycle in class AbstractReader

See Also:

Recyclable.recycle()

generate

public void generate()
              throws IOException

Send the request to the external WebServer

Throws:

IOException - on any exception that occures

See Also:

Reader.generate()

sendData

protected void sendData(InputStream in)
                 throws IOException

Copy the data to the original response stream

Parameters:

in - the response from external request to read from

Throws:

IOException - on any exception

connect

protected HttpURLConnection connect(Request request,
                                    String uri)
                             throws IOException

Establish the HttpURLConnection to the given uri.

Parameters:

request - the original request

uri - the remote uri

Returns:

the established HttpURLConnection

Throws:

IOException - on any exception