edu.wisc.my.webproxy.beans.filtering
Class ChainingSaxFilter

java.lang.Object
  org.xml.sax.helpers.XMLFilterImpl
      edu.wisc.my.webproxy.beans.filtering.ChainingSaxFilter

All Implemented Interfaces:

ProxyComponent, org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler, org.xml.sax.ext.LexicalHandler, org.xml.sax.XMLFilter, org.xml.sax.XMLReader

Direct Known Subclasses:

BaseUrlFilter, ClippingFilter, HtmlOutputFilter

public abstract class ChainingSaxFilter
extends org.xml.sax.helpers.XMLFilterImpl
implements ProxyComponent, org.xml.sax.ext.LexicalHandler

This abstract class can be implemented by filters that can use SAX events to perform their action.

Version:

$Id: ChainingSaxFilter.java 12215 2006-11-15 22:55:32Z edalquist $

Author:

dgrimwood

Constructor Summary

ChainingSaxFilter()
The default constructor

ChainingSaxFilter(org.xml.sax.XMLReader parent)
Constructor that takes XMLReader object as argument

Method Summary

void	characters(char[] arg0, int arg1, int arg2)
void	clearData() Called at the end of a request that the component was used in.
void	comment(char[] ch, int start, int length)
void	endCDATA()
void	endDTD()
void	endEntity(java.lang.String name)
org.xml.sax.ext.LexicalHandler	getLexicalHandler()
void	parse(org.xml.sax.InputSource input)
void	parse(java.lang.String systemId)
void	setActionData(javax.portlet.ActionRequest request, javax.portlet.ActionResponse response) This method is called on a component that is being used by the portlet at the begining of the action request it will be used in.
void	setLexicalHandler(org.xml.sax.ext.LexicalHandler lexHandler)
void	setParent(org.xml.sax.XMLReader parent)
void	setRenderData(javax.portlet.RenderRequest request, javax.portlet.RenderResponse response) This method is called on a component that is being used by the portlet at the begining of the render request it will be used in.
void	startCDATA()
void	startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)
void	startEntity(java.lang.String name)

Methods inherited from class org.xml.sax.helpers.XMLFilterImpl

endDocument, endElement, endPrefixMapping, error, fatalError, getContentHandler, getDTDHandler, getEntityResolver, getErrorHandler, getFeature, getParent, getProperty, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setContentHandler, setDocumentLocator, setDTDHandler, setEntityResolver, setErrorHandler, setFeature, setProperty, skippedEntity, startDocument, startElement, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.wisc.my.webproxy.beans.config.ProxyComponent

getName

Constructor Detail

ChainingSaxFilter

public ChainingSaxFilter()

The default constructor

ChainingSaxFilter

public ChainingSaxFilter(org.xml.sax.XMLReader parent)

Constructor that takes XMLReader object as argument

Parameters:

parent - the (@link XMLReader) object

Method Detail

characters

public void characters(char[] arg0,
                       int arg1,
                       int arg2)
                throws org.xml.sax.SAXException

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.XMLFilterImpl

Throws:

org.xml.sax.SAXException

See Also:

XMLFilterImpl.characters(char[], int, int)

getLexicalHandler

public org.xml.sax.ext.LexicalHandler getLexicalHandler()

Returns:

Returns the lexHandler.

setLexicalHandler

public void setLexicalHandler(org.xml.sax.ext.LexicalHandler lexHandler)

Parameters:

lexHandler - The lexHandler to set.

setActionData

public void setActionData(javax.portlet.ActionRequest request,
                          javax.portlet.ActionResponse response)

Description copied from interface: ProxyComponent

This method is called on a component that is being used by the portlet at the begining of the action request it will be used in. It provides the component with a reference to the request and response objects to use.

Specified by:

setActionData in interface ProxyComponent

setRenderData

public void setRenderData(javax.portlet.RenderRequest request,
                          javax.portlet.RenderResponse response)

Description copied from interface: ProxyComponent

This method is called on a component that is being used by the portlet at the begining of the render request it will be used in. It provides the component with a reference to the request and response objects to use.

Specified by:

setRenderData in interface ProxyComponent

clearData

public void clearData()

Description copied from interface: ProxyComponent

Called at the end of a request that the component was used in. It clears the references to the request and response objects. It should be called from a finally block to ensure its execution.

Specified by:

clearData in interface ProxyComponent

setParent

public void setParent(org.xml.sax.XMLReader parent)

Specified by:

setParent in interface org.xml.sax.XMLFilter

Overrides:

setParent in class org.xml.sax.helpers.XMLFilterImpl

See Also:

XMLFilter.setParent(org.xml.sax.XMLReader)

parse

public void parse(org.xml.sax.InputSource input)
           throws org.xml.sax.SAXException,
                  java.io.IOException

Specified by:

parse in interface org.xml.sax.XMLReader

Overrides:

parse in class org.xml.sax.helpers.XMLFilterImpl

Throws:

org.xml.sax.SAXException

java.io.IOException

See Also:

XMLReader.parse(org.xml.sax.InputSource)

parse

public void parse(java.lang.String systemId)
           throws org.xml.sax.SAXException,
                  java.io.IOException

Specified by:

parse in interface org.xml.sax.XMLReader

Overrides:

parse in class org.xml.sax.helpers.XMLFilterImpl

Throws:

org.xml.sax.SAXException

java.io.IOException

See Also:

XMLReader.parse(java.lang.String)

comment

public void comment(char[] ch,
                    int start,
                    int length)
             throws org.xml.sax.SAXException

Specified by:

comment in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.comment(char[], int, int)

endCDATA

public void endCDATA()
              throws org.xml.sax.SAXException

Specified by:

endCDATA in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.endCDATA()

endDTD

public void endDTD()
            throws org.xml.sax.SAXException

Specified by:

endDTD in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.endDTD()

startCDATA

public void startCDATA()
                throws org.xml.sax.SAXException

Specified by:

startCDATA in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.startCDATA()

endEntity

public void endEntity(java.lang.String name)
               throws org.xml.sax.SAXException

Specified by:

endEntity in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.endEntity(java.lang.String)

startEntity

public void startEntity(java.lang.String name)
                 throws org.xml.sax.SAXException

Specified by:

startEntity in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.startEntity(java.lang.String)

startDTD

public void startDTD(java.lang.String name,
                     java.lang.String publicId,
                     java.lang.String systemId)
              throws org.xml.sax.SAXException

Specified by:

startDTD in interface org.xml.sax.ext.LexicalHandler

Throws:

org.xml.sax.SAXException

See Also:

LexicalHandler.startDTD(java.lang.String, java.lang.String, java.lang.String)