org.eclipse.smila.processing.pipelets.xmlprocessing

Class AXmlTransformationPipelet

java.lang.Object

org.eclipse.smila.processing.pipelets.ATransformationPipelet

org.eclipse.smila.processing.pipelets.xmlprocessing.AXmlTransformationPipelet

All Implemented Interfaces:

Pipelet

Direct Known Subclasses:

RemoveElementFromXMLPipelet, TidyPipelet, XPathExtractorPipelet, XPathFilterPipelet, XslTransformationPipelet

public abstract class AXmlTransformationPipelet
extends ATransformationPipelet

Abstract base class for XML processing pipelets.

Field Summary

Fields inherited from class org.eclipse.smila.processing.pipelets.ATransformationPipelet

_config, _log, ENCODING_ATTACHMENT, ENCODING_CHARSET, PROP_INPUT_NAME, PROP_INPUT_TYPE, PROP_OUTPUT_NAME, PROP_OUTPUT_TYPE, PROP_OUTPUT_VALUE_TYPE

Constructor Summary

Constructors

Constructor and Description
AXmlTransformationPipelet()

Method Summary

Methods

Modifier and Type	Method and Description
protected org.w3c.dom.Document	createDocument(Blackboard blackboard, java.lang.String id, ParameterAccessor paramAccessor) Creates a Document from an Attribute or Attachment.
java.lang.String[]	process(Blackboard blackboard, java.lang.String[] recordIds) process given records.
protected abstract void	processRecord(Blackboard blackboard, ParameterAccessor paramAccessor, java.lang.String recordId) Processing of a single input record.
protected void	storeDocument(Blackboard blackboard, java.lang.String id, org.w3c.dom.Document doc, ParameterAccessor paramAccessor) Stores a Document in an Attribute or Attachment.

Methods inherited from class org.eclipse.smila.processing.pipelets.ATransformationPipelet

configure, getInputName, getInputStream, getInputType, getOutputName, getOutputType, getOutputValueType, isReadFromAttribute, isStoreInAttribute, readInput, readStringInput, storeResult, storeResult, storeResult, storeResults

Methods inherited from class java.lang.Object

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

Constructor Detail

AXmlTransformationPipelet

public AXmlTransformationPipelet()

Method Detail

createDocument

protected org.w3c.dom.Document createDocument(Blackboard blackboard,
                                  java.lang.String id,
                                  ParameterAccessor paramAccessor)
                                       throws MissingParameterException,
                                              BlackboardAccessException,
                                              XMLUtilsException

Creates a Document from an Attribute or Attachment.

Parameters:

blackboard - the Blackboard

id - the Id of the record

Returns:

a Document

Throws:

XMLUtilsException

BlackboardAccessException

MissingParameterException

java.lang.Exception - if any error occurs

storeDocument

protected void storeDocument(Blackboard blackboard,
                 java.lang.String id,
                 org.w3c.dom.Document doc,
                 ParameterAccessor paramAccessor)
                      throws java.lang.Exception

Stores a Document in an Attribute or Attachment.

Parameters:

blackboard - the Blackboard

id - the Id of the record

doc - the Document to save

Throws:

java.lang.Exception - if any error occurs

process

public java.lang.String[] process(Blackboard blackboard,
                         java.lang.String[] recordIds)
                           throws ProcessingException

Description copied from interface: Pipelet

process given records.

Parameters:

blackboard - Blackboard holding and managing the records.

recordIds - Ids of records to process.

Returns:

Ids of records to be passed into the next pipelet. By default this should be the same as the passed in recordIds unless there is a specific (businesslogic) reason not to do so.

Throws:

ProcessingException - error during processing.

processRecord

protected abstract void processRecord(Blackboard blackboard,
                 ParameterAccessor paramAccessor,
                 java.lang.String recordId)
                               throws java.lang.Exception

Processing of a single input record.

Parameters:

blackboard - Blackboard service managing the records.

paramAccessor - Parameter accessor configured with pipelet configuration and current record. Should be used to access pipelet parameters.

recordId - id of the record to process

Throws:

java.lang.Exception