org.eclipse.smila.processing.pipelets.xmlprocessing
Class XPathExtractorPipelet

java.lang.Object
  org.eclipse.smila.processing.pipelets.ATransformationPipelet
      org.eclipse.smila.processing.pipelets.xmlprocessing.AXmlTransformationPipelet
          org.eclipse.smila.processing.pipelets.xmlprocessing.XPathExtractorPipelet

All Implemented Interfaces:

Pipelet

public class XPathExtractorPipelet
extends AXmlTransformationPipelet

Pipelet that extracts elements selected by XPath and converts them in appropriate data types (Boolean, Double, String). The possible properties are:

• xpath: the XPath
• seperator: the seperator (optional)
• namespace: the namespace (optional)
• inputName: name of the Attribute/Attachment to read the XML Document from
• outputName: name of the Attribute/Attachment to store the extracted value in
• inputType: the type (Attribute or Attachment of the inputName
• outputType: the type (Attribute or Attachment of the outputtName

Field Summary

static java.lang.String	PROP_NAMESPACE The namespace property.
static java.lang.String	PROP_SEPARATOR The separator property.
static java.lang.String	PROP_XPATH The name of the XSLT file used for the transformation.

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

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

Constructor Summary

XPathExtractorPipelet()

Method Summary

protected void

processRecord(Blackboard blackboard, ParameterAccessor paramAccessor, java.lang.String id) Processing of a single input record.

Methods inherited from class org.eclipse.smila.processing.pipelets.xmlprocessing.AXmlTransformationPipelet

createDocument, process, storeDocument

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

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

Methods inherited from class java.lang.Object

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

Field Detail

PROP_XPATH

public static final java.lang.String PROP_XPATH

The name of the XSLT file used for the transformation.

See Also:

Constant Field Values

PROP_SEPARATOR

public static final java.lang.String PROP_SEPARATOR

The separator property.

See Also:

Constant Field Values

PROP_NAMESPACE

public static final java.lang.String PROP_NAMESPACE

The namespace property.

See Also:

Constant Field Values

Constructor Detail

XPathExtractorPipelet

public XPathExtractorPipelet()

Method Detail

processRecord

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

Description copied from class: AXmlTransformationPipelet

Processing of a single input record.

Specified by:

processRecord in class AXmlTransformationPipelet

Parameters:

blackboard - Blackboard service managing the records.

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

id - id of the record to process

Throws:

java.lang.Exception