org.apache.cocoon.generation
Class HttpProxyGenerator

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.xml.AbstractXMLProducer
          org.apache.cocoon.generation.AbstractGenerator
              org.apache.cocoon.generation.ServiceableGenerator
                  org.apache.cocoon.generation.HttpProxyGenerator

All Implemented Interfaces:

Poolable, Recyclable, Disposable, Component, Configurable, LogEnabled, Serviceable, Generator, SitemapModelComponent, XMLProducer

public class HttpProxyGenerator
extends ServiceableGenerator
implements Configurable

The HttpProxyGenerator is a Cocoon generator using the Jakarta Commons HTTPClient Library to access an XML stream over HTTP.

Version:

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

Author:

Ivelin Ivanov, June 2002, Tony Collen, December 2002, Pier Fumagalli, February 2003

Field Summary

Fields inherited from class org.apache.cocoon.generation.ServiceableGenerator

manager

Fields inherited from class org.apache.cocoon.generation.AbstractGenerator

objectModel, parameters, resolver, source

Fields inherited from class org.apache.cocoon.xml.AbstractXMLProducer

contentHandler, EMPTY_CONTENT_HANDLER, lexicalHandler, xmlConsumer

Fields inherited from interface org.apache.cocoon.generation.Generator

ROLE

Constructor Summary

HttpProxyGenerator()
Default (empty) constructor.

Method Summary

void	configure(Configuration configuration) Set up this Generator instance from its sitemap Configuration
void	generate() Parse the remote InputStream accessed over HTTP.
void	recycle() Recycle this instance, clearing all done during setup and generation, and reverting back to what was configured in the sitemap.
void	setup(SourceResolver sourceResolver, Map objectModel, String source, Parameters parameters) Setup this Generator with its runtime configurations and parameters specified in the sitemap, and prepare it for generation.

Methods inherited from class org.apache.cocoon.generation.ServiceableGenerator

dispose, service

Methods inherited from class org.apache.cocoon.xml.AbstractXMLProducer

setConsumer, setContentHandler, setLexicalHandler

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

Methods inherited from interface org.apache.cocoon.xml.XMLProducer

setConsumer

Constructor Detail

HttpProxyGenerator

public HttpProxyGenerator()

Default (empty) constructor.

Method Detail

configure

public void configure(Configuration configuration)
               throws ConfigurationException

Set up this Generator instance from its sitemap Configuration

Specified by:

configure in interface Configurable

Parameters:

configuration - The base Configuration for this Generator.

Throws:

ConfigurationException - If this instance cannot be configured properly.

See Also:

recycle()

setup

public void setup(SourceResolver sourceResolver,
                  Map objectModel,
                  String source,
                  Parameters parameters)
           throws ProcessingException,
                  SAXException,
                  IOException

Setup this Generator with its runtime configurations and parameters specified in the sitemap, and prepare it for generation.

Specified by:

setup in interface SitemapModelComponent

Overrides:

setup in class AbstractGenerator

Parameters:

sourceResolver - The SourceResolver instance resolving sources by system identifiers.

objectModel - The Cocoon "object model" Map

parameters - The runtime Parameters instance.

Throws:

ProcessingException - If this instance could not be setup.

SAXException - If a SAX error occurred during setup.

IOException - If an I/O error occurred during setup.

See Also:

recycle()

recycle

public void recycle()

Recycle this instance, clearing all done during setup and generation, and reverting back to what was configured in the sitemap.

Specified by:

recycle in interface Recyclable

Overrides:

recycle in class AbstractGenerator

See Also:

configure(Configuration), setup(SourceResolver, Map, String, Parameters), generate()

generate

public void generate()
              throws ResourceNotFoundException,
                     ProcessingException,
                     SAXException,
                     IOException

Parse the remote InputStream accessed over HTTP.

Specified by:

generate in interface Generator

Throws:

ResourceNotFoundException - If the remote HTTP resource could not be found.

ProcessingException - If an error occurred processing generation.

SAXException - If an error occurred parsing or processing XML in the pipeline.

IOException - If an I/O error occurred accessing the HTTP server.