org.apache.jetspeed.services.transformer
Class JetspeedTransformerService

java.lang.Object
  org.apache.turbine.services.BaseInitable
      org.apache.turbine.services.BaseService
          org.apache.turbine.services.TurbineBaseService
              org.apache.jetspeed.services.transformer.JetspeedTransformerService

All Implemented Interfaces:

org.apache.turbine.services.Initable, org.apache.turbine.services.Service, TransformerService

public class JetspeedTransformerService

extends org.apache.turbine.services.TurbineBaseService

implements TransformerService

Simple implementation of the TransformerService.

Version:

$Id: JetspeedTransformerService.java,v 1.2 2004/02/23 03:39:10 jford Exp $*

Author:

Marco Mari

Field Summary

protected ClipperRewriter

rewriter

Fields inherited from class org.apache.turbine.services.BaseService

configuration, name, properties, serviceBroker

Fields inherited from class org.apache.turbine.services.BaseInitable

initableBroker, isInitialized

Fields inherited from interface org.apache.jetspeed.services.transformer.TransformerService

SERVICE_NAME

Constructor Summary

JetspeedTransformerService()

Method Summary

java.lang.String	clipElements(java.io.Reader htmlReader, java.lang.String url, java.lang.String startElement, java.lang.String stopElement) Clips the part of a web page between startElement and stopElement
java.lang.String	clipElementsNumber(java.io.Reader htmlReader, java.lang.String url, java.lang.String startElement, java.lang.String stopElement, int tagNumber) Clips a part of a web page, starting from the "tagNumber" "startElement" Example: startElement = "p", tagNumber = "3", stopElement = "img" Page content:
java.lang.String	findElement(java.io.Reader htmlReader, java.lang.String url, java.lang.String element) Finds an element in a web page
java.lang.String	findElementNumber(java.io.Reader htmlReader, java.lang.String url, java.lang.String element, int tagNumber) Finds in an HTML page the "tagNumber" tag of type "element" Example: element = "p", tagNumber = "3" Page content:
void	init() Late init.
void	init(javax.servlet.ServletConfig conf) This is the early initialization method called by the Turbine Service framework

Methods inherited from class org.apache.turbine.services.TurbineBaseService

init, init, shutdown

Methods inherited from class org.apache.turbine.services.BaseService

getConfiguration, getName, getProperties, getServiceBroker, setName, setServiceBroker

Methods inherited from class org.apache.turbine.services.BaseInitable

getInit, getInitableBroker, setInit, setInitableBroker

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.turbine.services.Service

getConfiguration, getName, getProperties, setName, setServiceBroker

Methods inherited from interface org.apache.turbine.services.Initable

getInit, init, setInitableBroker, shutdown

Field Detail

rewriter

protected ClipperRewriter rewriter

Constructor Detail

JetspeedTransformerService

public JetspeedTransformerService()

Method Detail

init

public void init(javax.servlet.ServletConfig conf)

This is the early initialization method called by the Turbine Service framework

Parameters:

conf - The ServletConfig

init

public void init()

Late init. Don't return control until early init says we're done.

Specified by:

init in interface org.apache.turbine.services.Initable

findElement

public java.lang.String findElement(java.io.Reader htmlReader,
                                    java.lang.String url,
                                    java.lang.String element)

Finds an element in a web page

Specified by:

findElement in interface TransformerService

Parameters:

htmlReader - Reader for the html rewriter

url - page address

element - a part of the element to search

clipElements

public java.lang.String clipElements(java.io.Reader htmlReader,
                                     java.lang.String url,
                                     java.lang.String startElement,
                                     java.lang.String stopElement)

Clips the part of a web page between startElement and stopElement

Specified by:

clipElements in interface TransformerService

Parameters:

htmlReader - Reader for the html rewriter

url - page address

startElement - the first element to clip

stopElement - the last element to clip

findElementNumber

public java.lang.String findElementNumber(java.io.Reader htmlReader,
                                          java.lang.String url,
                                          java.lang.String element,
                                          int tagNumber)

Finds in an HTML page the "tagNumber" tag of type "element" Example: element = "p", tagNumber = "3" Page content:

..

..

.. <---Finds this

Specified by:

findElementNumber in interface TransformerService

Parameters:

htmlReader - Reader for the html rewriter

url - page address

element - the element to search

tagNumber - the number of the element to search

clipElementsNumber

public java.lang.String clipElementsNumber(java.io.Reader htmlReader,
                                           java.lang.String url,
                                           java.lang.String startElement,
                                           java.lang.String stopElement,
                                           int tagNumber)

Clips a part of a web page, starting from the "tagNumber" "startElement" Example: startElement = "p", tagNumber = "3", stopElement = "img" Page content:

..

..

.. <---Starts here ........ <---Stops here

Specified by:

clipElementsNumber in interface TransformerService

Parameters:

htmlReader - Reader for the html rewriter

url - page address

startElement - the first element to clip

stopElement - the last element to clip

tagNumber - the number of the first element to clip