fr.gouv.culture.sdx.pipeline
Class FieldExpansionTransformation

java.lang.Object
  extended byorg.apache.avalon.framework.logger.AbstractLoggable
      extended byorg.apache.cocoon.xml.AbstractXMLProducer
          extended byorg.apache.cocoon.xml.AbstractXMLPipe
              extended byfr.gouv.culture.sdx.pipeline.AbstractTransformation
                  extended byfr.gouv.culture.sdx.pipeline.FieldExpansionTransformation
All Implemented Interfaces:
org.apache.avalon.framework.component.Composable, org.apache.avalon.framework.configuration.Configurable, org.xml.sax.ContentHandler, org.xml.sax.ext.LexicalHandler, org.apache.avalon.framework.logger.LogEnabled, org.apache.avalon.framework.logger.Loggable, org.apache.avalon.excalibur.pool.Poolable, org.apache.avalon.excalibur.pool.Recyclable, Transformation, org.apache.cocoon.xml.XMLConsumer, org.apache.cocoon.xml.XMLPipe, org.apache.cocoon.xml.XMLProducer

public class FieldExpansionTransformation
extends AbstractTransformation

OK Give it a try, after your stylesheet transformation for generation an sdx indexation document This transformation is higly dependent on the properties object passed to the pipeline at configuration time. To make it less dependent, one should provide an "Application" object from which the class can access any needed thesaurus, and a "FieldsDefinition" object from which text analysis can be done


Field Summary
protected  Application app
           
protected  java.lang.StringBuffer charBuff
           
protected  java.lang.String defaultThesaurusId
           
protected  java.util.HashSet expandedTerms
           
protected  java.util.Hashtable expansionParams
           
protected  java.lang.String fieldName
           
protected  FieldsDefinition fields
           
protected  java.lang.String PARAM_NAME_DEPTH
           
protected  java.lang.String PARAM_NAME_LANG
           
protected  java.lang.String PARAM_NAME_TH
           
protected  SDXThesaurus thesaurus
           
 
Fields inherited from class fr.gouv.culture.sdx.pipeline.AbstractTransformation
id, logger, manager, PARAMETER_NAME_DISABLE, PARAMETER_NAME_ENABLE, parameters, props, transParameters
 
Fields inherited from class org.apache.cocoon.xml.AbstractXMLProducer
contentHandler, lexicalHandler, xmlConsumer
 
Fields inherited from interface fr.gouv.culture.sdx.pipeline.Transformation
ATTRIBUTE_ID, ATTRIBUTE_KEEP, ATTRIBUTE_SRC, ATTRIBUTE_TH, ATTRIBUTE_TYPE, CLASS_NAME_SUFFIX, ELEMENT_NAME_TRANSFORMATION, PACKAGE_QUALNAME
 
Constructor Summary
FieldExpansionTransformation()
           
 
Method Summary
 void characters(char[] c, int start, int len)
           
 void configure(org.apache.avalon.framework.configuration.Configuration configuration)
          Loads base configuration common to all transformations.
 void endElement(java.lang.String uri, java.lang.String loc, java.lang.String raw)
           
protected  void expandField(java.lang.String fieldName, java.lang.String fieldValue, java.util.Hashtable expansionParams)
           
 void setApplication(Application app)
           
 void setFieldsDefinition(FieldsDefinition fields)
           
 void setThesaurus(SDXThesaurus thesaurus)
           
 void setThesaurus(java.lang.String id)
           
 void startElement(java.lang.String uri, java.lang.String loc, java.lang.String raw, org.xml.sax.Attributes a)
           
 
Methods inherited from class fr.gouv.culture.sdx.pipeline.AbstractTransformation
compose, enableLogging, getId, getParameters, isStepEnabled, recycle, setParameters, setProperties, shouldKeepResult, verifyConfigurationParameters
 
Methods inherited from class org.apache.cocoon.xml.AbstractXMLPipe
comment, endCDATA, endDocument, endDTD, endEntity, endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startCDATA, startDocument, startDTD, startEntity, startPrefixMapping
 
Methods inherited from class org.apache.cocoon.xml.AbstractXMLProducer
setConsumer, setContentHandler, setLexicalHandler
 
Methods inherited from class org.apache.avalon.framework.logger.AbstractLoggable
getLogger, setLogger, 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.xml.sax.ContentHandler
endDocument, endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping
 
Methods inherited from interface org.xml.sax.ext.LexicalHandler
comment, endCDATA, endDTD, endEntity, startCDATA, startDTD, startEntity
 
Methods inherited from interface org.apache.cocoon.xml.XMLProducer
setConsumer
 

Field Detail

thesaurus

protected SDXThesaurus thesaurus

defaultThesaurusId

protected java.lang.String defaultThesaurusId

PARAM_NAME_DEPTH

protected java.lang.String PARAM_NAME_DEPTH

PARAM_NAME_LANG

protected java.lang.String PARAM_NAME_LANG

PARAM_NAME_TH

protected java.lang.String PARAM_NAME_TH

charBuff

protected java.lang.StringBuffer charBuff

fieldName

protected java.lang.String fieldName

expansionParams

protected java.util.Hashtable expansionParams

expandedTerms

protected java.util.HashSet expandedTerms

app

protected Application app

fields

protected FieldsDefinition fields
Constructor Detail

FieldExpansionTransformation

public FieldExpansionTransformation()
Method Detail

setApplication

public void setApplication(Application app)

setFieldsDefinition

public void setFieldsDefinition(FieldsDefinition fields)

setThesaurus

public void setThesaurus(SDXThesaurus thesaurus)

setThesaurus

public void setThesaurus(java.lang.String id)
                  throws SDXException
Throws:
SDXException

configure

public void configure(org.apache.avalon.framework.configuration.Configuration configuration)
               throws org.apache.avalon.framework.configuration.ConfigurationException
Description copied from class: AbstractTransformation
Loads base configuration common to all transformations. Currently loads the id from the configuraion object. It will eventually load the optional "keep" parameter which is used to specify that the results of the transformation should be retained.

Specified by:
configure in interface org.apache.avalon.framework.configuration.Configurable
Overrides:
configure in class AbstractTransformation
Parameters:
configuration - The configuration object
Throws:
org.apache.avalon.framework.configuration.ConfigurationException

startElement

public void startElement(java.lang.String uri,
                         java.lang.String loc,
                         java.lang.String raw,
                         org.xml.sax.Attributes a)
                  throws org.xml.sax.SAXException
Throws:
org.xml.sax.SAXException

characters

public void characters(char[] c,
                       int start,
                       int len)
                throws org.xml.sax.SAXException
Throws:
org.xml.sax.SAXException

endElement

public void endElement(java.lang.String uri,
                       java.lang.String loc,
                       java.lang.String raw)
                throws org.xml.sax.SAXException
Throws:
org.xml.sax.SAXException

expandField

protected void expandField(java.lang.String fieldName,
                           java.lang.String fieldValue,
                           java.util.Hashtable expansionParams)
                    throws SDXException,
                           org.xml.sax.SAXException
Throws:
SDXException
org.xml.sax.SAXException


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