com.vividsolutions.jts.io
Class WKTFileReader

java.lang.Object
  com.vividsolutions.jts.io.WKTFileReader

public class WKTFileReader
extends java.lang.Object

Reads a sequence of Geometrys in WKT format from a text file. The geometries in the file may be separated by any amount of whitespace and newlines.

Author:

Martin Davis

Constructor Summary

WKTFileReader(java.io.File file, WKTReader wktReader)
Creates a new WKTFileReader given the File to read from and a WKTReader to use to parse the geometries.

WKTFileReader(java.io.Reader reader, WKTReader wktReader)
Creates a new WKTFileReader, given a Reader to read from.

WKTFileReader(java.lang.String filename, WKTReader wktReader)
Creates a new WKTFileReader, given the name of the file to read from.

Method Summary

java.util.List	read() Reads a sequence of geometries.
void	setLimit(int limit) Sets the maximum number of geometries to read.
void	setOffset(int offset) Sets the number of geometries to skip before storing.

Methods inherited from class java.lang.Object

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

Constructor Detail

WKTFileReader

public WKTFileReader(java.io.File file,
                     WKTReader wktReader)

Creates a new WKTFileReader given the File to read from and a WKTReader to use to parse the geometries.

Parameters:

file - the File to read from

wktReader - the geometry reader to use

WKTFileReader

public WKTFileReader(java.lang.String filename,
                     WKTReader wktReader)

Creates a new WKTFileReader, given the name of the file to read from.

Parameters:

filename - the name of the file to read from

wktReader - the geometry reader to use

WKTFileReader

public WKTFileReader(java.io.Reader reader,
                     WKTReader wktReader)

Creates a new WKTFileReader, given a Reader to read from.

Parameters:

reader - the reader to read from

wktReader - the geometry reader to use

Method Detail

setLimit

public void setLimit(int limit)

Sets the maximum number of geometries to read.

Parameters:

limit - the maximum number of geometries to read

setOffset

public void setOffset(int offset)

Sets the number of geometries to skip before storing.

Parameters:

offset - the number of geometries to skip

read

public java.util.List read()
                    throws java.io.IOException,
                           ParseException

Reads a sequence of geometries. If an offset is specified, geometries read up to the offset count are skipped. If a limit is specified, no more than limit geometries are read.

Returns:

the list of geometries read

Throws:

java.io.IOException - if an I/O exception was encountered

ParseException - if an error occured reading a geometry