org.eaglei.datatools.etl.utils
Class ETLUtils

java.lang.Object
  org.eaglei.datatools.etl.utils.ETLUtils

public class ETLUtils
extends java.lang.Object

Author:

Sravan Cheriyala

Constructor Summary

ETLUtils()

Method Summary

static java.lang.String	evaluateExpression(java.util.Map<java.lang.String,java.lang.String> columnMap, java.lang.String expressionString) Evaluates the object Expression ,that is it converts $1 $2 ..
static java.lang.String	formXML(java.lang.String aText)
static java.lang.String	forRegex(java.lang.String aRegexFragment)
static java.util.Set<java.lang.String>	getExpressionsInMapFile(java.io.InputStream mapStream)
static java.lang.String[]	getLabelAndRootURI(com.hp.hpl.jena.rdf.model.Model tempModel, java.util.Map<java.lang.String,java.lang.String> columnMap)
static java.util.List<java.lang.String>	getReourceURIFromModel(com.hp.hpl.jena.rdf.model.Model model)
static com.hp.hpl.jena.rdf.model.Model	getsubModelByExpression(java.lang.String expression, com.hp.hpl.jena.rdf.model.Model rdfModel) this utility method returns the subModel given by the Expression such as EX:e+$1 etc FIXME:write more documentation
static java.lang.String	getTypeOfModel(com.hp.hpl.jena.rdf.model.Model rdfModel)
static boolean	isLabelPresentInMap(com.hp.hpl.jena.rdf.model.Model rdfModel)
static boolean	isLabelPresentInMap(com.hp.hpl.jena.rdf.model.Statement[] statementAry)
static boolean	isSubjectExpressionPresentInModel(java.lang.String expression, com.hp.hpl.jena.rdf.model.Model rdfModel)
static java.io.InputStream	replaceColumnNamesWithColumnNumbers(java.io.InputStream mapStream, java.util.Map<java.lang.String,java.lang.Integer> columnNameToNumberMap)
static java.util.List<com.hp.hpl.jena.rdf.model.Statement>	replaceExpressionWithURI(com.hp.hpl.jena.rdf.model.Statement[] statementAry, com.hp.hpl.jena.rdf.model.Resource subject, java.lang.String expressionString)

Methods inherited from class java.lang.Object

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

Constructor Detail

ETLUtils

public ETLUtils()

Method Detail

getsubModelByExpression

public static com.hp.hpl.jena.rdf.model.Model getsubModelByExpression(java.lang.String expression,
                                                                      com.hp.hpl.jena.rdf.model.Model rdfModel)

this utility method returns the subModel given by the Expression such as EX:e+$1 etc FIXME:write more documentation

isSubjectExpressionPresentInModel

public static boolean isSubjectExpressionPresentInModel(java.lang.String expression,
                                                        com.hp.hpl.jena.rdf.model.Model rdfModel)

isLabelPresentInMap

public static boolean isLabelPresentInMap(com.hp.hpl.jena.rdf.model.Model rdfModel)

isLabelPresentInMap

public static boolean isLabelPresentInMap(com.hp.hpl.jena.rdf.model.Statement[] statementAry)

getTypeOfModel

public static java.lang.String getTypeOfModel(com.hp.hpl.jena.rdf.model.Model rdfModel)
                                       throws java.lang.NoSuchFieldException

Throws:

java.lang.NoSuchFieldException

evaluateExpression

public static java.lang.String evaluateExpression(java.util.Map<java.lang.String,java.lang.String> columnMap,
                                                  java.lang.String expressionString)
                                           throws java.lang.Exception

Evaluates the object Expression ,that is it converts $1 $2 .. in to Excel Columns

Parameters:

rdf123Exp -

row -

objectString -

Returns:

Throws:

java.lang.Exception

getLabelAndRootURI

public static java.lang.String[] getLabelAndRootURI(com.hp.hpl.jena.rdf.model.Model tempModel,
                                                    java.util.Map<java.lang.String,java.lang.String> columnMap)
                                             throws java.lang.Exception

Throws:

java.lang.Exception

replaceExpressionWithURI

public static java.util.List<com.hp.hpl.jena.rdf.model.Statement> replaceExpressionWithURI(com.hp.hpl.jena.rdf.model.Statement[] statementAry,
                                                                                           com.hp.hpl.jena.rdf.model.Resource subject,
                                                                                           java.lang.String expressionString)

getReourceURIFromModel

public static java.util.List<java.lang.String> getReourceURIFromModel(com.hp.hpl.jena.rdf.model.Model model)

replaceColumnNamesWithColumnNumbers

public static java.io.InputStream replaceColumnNamesWithColumnNumbers(java.io.InputStream mapStream,
                                                                      java.util.Map<java.lang.String,java.lang.Integer> columnNameToNumberMap)
                                                               throws java.io.IOException

Throws:

java.io.IOException

getExpressionsInMapFile

public static java.util.Set<java.lang.String> getExpressionsInMapFile(java.io.InputStream mapStream)
                                                               throws java.io.IOException

Throws:

java.io.IOException

formXML

public static java.lang.String formXML(java.lang.String aText)

forRegex

public static java.lang.String forRegex(java.lang.String aRegexFragment)