org.apache.calcite.adapter.file

Class FileReader

java.lang.Object

org.apache.calcite.adapter.file.FileReader

All Implemented Interfaces:

Iterable<org.jsoup.select.Elements>

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

Scrapes HTML tables from URLs using Jsoup.

Nested Class Summary

Nested Classes

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

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
FileReader(Source source)
FileReader(Source source, String selector)
FileReader(Source source, String selector, Integer index)

Method Summary

Modifier and Type	Method and 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, String selector)
private void	getTable()
FileReader.FileReaderIterator	iterator()
(package private) void	refresh()
private 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 String selector

index

private final Integer index

charset

private final Charset charset

tableElement

private org.jsoup.nodes.Element tableElement

headings

private org.jsoup.select.Elements headings

Constructor Detail

FileReader

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

Throws:

FileReaderException

FileReader

public FileReader(Source source,
                  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,
                                                 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 String tableKey()

iterator

public FileReader.FileReaderIterator iterator()

Specified by:

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

close

public void close()