Package org.aksw.jena_sparql_api.sparql.ext.csv

Class E_CsvParse

java.lang.Object
org.apache.jena.sparql.function.FunctionBase
org.apache.jena.sparql.function.FunctionBase2
org.aksw.jena_sparql_api.sparql.ext.csv.E_CsvParse
All Implemented Interfaces:
org.apache.jena.sparql.function.Function
public class E_CsvParse extends org.apache.jena.sparql.function.FunctionBase2
CSV parsing function which yields a json object. - head: Array - rows: Array of objects
Author:
raven Oct 30, 2017

  • Constructor Summary

    Constructors
    Constructor
    Description
    E_CsvParse()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static com.google.gson.JsonArray
    csvRecordToJsonArray(org.apache.commons.csv.CSVRecord row)
     
    static com.google.gson.JsonObject
    csvRecordToJsonObject(org.apache.commons.csv.CSVRecord row, String[] labels)
     
    org.apache.jena.sparql.expr.NodeValue
    exec(org.apache.jena.sparql.expr.NodeValue v1, org.apache.jena.sparql.expr.NodeValue v2)
     
    static Stream<com.google.gson.JsonElement>
    parseCsv(Reader reader, String optionStr)
     
    static Stream<com.google.gson.JsonElement>
    parseCsv(Reader reader, org.apache.commons.csv.CSVFormat csvFormat, boolean rowAsObject, boolean firstRowAsLabels)
     

    Methods inherited from class org.apache.jena.sparql.function.FunctionBase2

    checkBuild, exec

    Methods inherited from class org.apache.jena.sparql.function.FunctionBase

    build, exec, exec

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • E_CsvParse

      public E_CsvParse()

  • Method Details

    • parseCsv

      public static Stream<com.google.gson.JsonElement> parseCsv(Reader reader, String optionStr) throws IOException
      Throws:
      IOException

    • csvRecordToJsonArray

      public static com.google.gson.JsonArray csvRecordToJsonArray(org.apache.commons.csv.CSVRecord row)

    • csvRecordToJsonObject

      public static com.google.gson.JsonObject csvRecordToJsonObject(org.apache.commons.csv.CSVRecord row, String[] labels)

    • parseCsv

      public static Stream<com.google.gson.JsonElement> parseCsv(Reader reader, org.apache.commons.csv.CSVFormat csvFormat, boolean rowAsObject, boolean firstRowAsLabels) throws IOException
      Throws:
      IOException

    • exec

      public org.apache.jena.sparql.expr.NodeValue exec(org.apache.jena.sparql.expr.NodeValue v1, org.apache.jena.sparql.expr.NodeValue v2)
      Specified by:
      exec in class org.apache.jena.sparql.function.FunctionBase2