Package org.apache.calcite.adapter.file

Class FileReader

java.lang.Object

org.apache.calcite.adapter.file.FileReader

All Implemented Interfaces:

java.lang.Iterable<org.jsoup.select.Elements>

public class FileReader
extends java.lang.Object
implements java.lang.Iterable<org.jsoup.select.Elements>

Scrapes HTML tables from URLs using Jsoup.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	FileReader.FileReaderIterator	Iterates over HTML tables, returning an Elements per row.

Field Summary

Fields

Modifier and Type	Field	Description
private java.nio.charset.Charset	charset
private org.jsoup.select.Elements	headings
private java.lang.Integer	index
private java.lang.String	selector
private Source	source
private org.jsoup.nodes.Element	tableElement

Constructor Summary

Constructors

Constructor	Description
FileReader(Source source)
FileReader(Source source, java.lang.String selector)
FileReader(Source source, java.lang.String selector, java.lang.Integer index)

Method Summary

Modifier and Type	Method	Description
void	close()
private org.jsoup.nodes.Element	getBestTable(org.jsoup.nodes.Document doc)
(package private) org.jsoup.select.Elements	getHeadings()
private org.jsoup.nodes.Element	getSelectedTable(org.jsoup.nodes.Document doc, java.lang.String selector)
private void	getTable()
FileReader.FileReaderIterator	iterator()
(package private) void	refresh()
private java.lang.String	tableKey()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

source

private final Source source

selector

private final java.lang.String selector

index

private final java.lang.Integer index

charset

private final java.nio.charset.Charset charset

tableElement

private org.jsoup.nodes.Element tableElement

headings

private org.jsoup.select.Elements headings

Constructor Detail

FileReader

public FileReader(Source source,
                  java.lang.String selector,
                  java.lang.Integer index)
           throws FileReaderException

Throws:

FileReaderException

FileReader

public FileReader(Source source,
                  java.lang.String selector)
           throws FileReaderException

Throws:

FileReaderException

FileReader

public FileReader(Source source)
           throws FileReaderException

Throws:

FileReaderException

Method Detail

getTable

private void getTable()
               throws FileReaderException

Throws:

FileReaderException

getSelectedTable

private org.jsoup.nodes.Element getSelectedTable(org.jsoup.nodes.Document doc,
                                                 java.lang.String selector)
                                          throws FileReaderException

Throws:

FileReaderException

getBestTable

private org.jsoup.nodes.Element getBestTable(org.jsoup.nodes.Document doc)
                                      throws FileReaderException

Throws:

FileReaderException

refresh

void refresh()
      throws FileReaderException

Throws:

FileReaderException

getHeadings

org.jsoup.select.Elements getHeadings()
                               throws FileReaderException

Throws:

FileReaderException

tableKey

private java.lang.String tableKey()

iterator

public FileReader.FileReaderIterator iterator()

Specified by:

iterator in interface java.lang.Iterable<org.jsoup.select.Elements>

close

public void close()