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org.apache.cocoon.transformation.helpers
Class InterpolatingConfigurationHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.apache.avalon.framework.configuration.SAXConfigurationHandler
          org.apache.cocoon.transformation.helpers.InterpolatingConfigurationHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class InterpolatingConfigurationHandler

extends SAXConfigurationHandler

A SAX ContentHandler that builds Avalon Configuration objects, but also replaces variables of the form {var} with values from a map.

Version:

$Id: InterpolatingConfigurationHandler.html 1304280 2012-03-23 11:18:01Z ilgrosso $

See Also:

VariableConfiguration

Constructor Summary

InterpolatingConfigurationHandler(Map vars)
Constructor.

InterpolatingConfigurationHandler(Map vars, String location)
Constructor.

Method Summary

void	characters(char[] ch, int start, int len) Replace {vars} in element bodies.
protected String	getLocationString()
void	startElement(String uri, String localName, String qName, Attributes attr) Replace {vars} in attributes.

Methods inherited from class org.apache.avalon.framework.configuration.SAXConfigurationHandler

clear, createConfiguration, endElement, error, fatalError, getConfiguration, setDocumentLocator, warning

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

endDocument, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Constructor Detail

InterpolatingConfigurationHandler

public InterpolatingConfigurationHandler(Map vars)

Constructor.

Parameters:

vars - The mappings from variable name to value.

InterpolatingConfigurationHandler

public InterpolatingConfigurationHandler(Map vars,
                                         String location)

Constructor.

Parameters:

vars - The mappings from variable name to value.

location - The origin of this configuration info.

Method Detail

startElement

public void startElement(String uri,
                         String localName,
                         String qName,
                         Attributes attr)
                  throws SAXException

Replace {vars} in attributes.

Throws:

SAXException

characters

public void characters(char[] ch,
                       int start,
                       int len)
                throws SAXException

Replace {vars} in element bodies.

Throws:

SAXException

getLocationString

protected String getLocationString()