de.lmu.ifi.dbs.elki.datasource.parser

Class SimplePolygonParser

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.parser.AbstractParser

de.lmu.ifi.dbs.elki.datasource.parser.SimplePolygonParser

All Implemented Interfaces:

Parser, Parameterizable

public class SimplePolygonParser
extends AbstractParser
implements Parser

Parser to load polygon data (2D and 3D only) from a simple format. One record per line, points separated by whitespace, numbers separated by colons. Multiple polygons components can be separated using POLYGON_SEPARATOR. Unparseable parts will be treated as labels.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SimplePolygonParser.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	COORD Pattern to catch coordinates
private static Logging	LOG Class logger
static String	POLYGON_SEPARATOR Polygon separator

Fields inherited from class de.lmu.ifi.dbs.elki.datasource.parser.AbstractParser

ATTRIBUTE_CONCATENATION, comment, COMMENT_PATTERN, DEFAULT_SEPARATOR, NUMBER_PATTERN, QUOTE_CHARS, tokenizer

Constructor Summary

Constructors

Constructor and Description
SimplePolygonParser(Pattern colSep, String quoteChars, Pattern comment) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected Logging	getLogger() Get the logger for this class.
MultipleObjectsBundle	parse(InputStream in) Returns a list of the objects parsed from the specified input stream.
private Object[]	parseLine(String line) Parse a single line.

Methods inherited from class de.lmu.ifi.dbs.elki.datasource.parser.AbstractParser

lengthWithoutLinefeed, toString

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Class logger

COORD

public static final Pattern COORD

Pattern to catch coordinates

POLYGON_SEPARATOR

public static final String POLYGON_SEPARATOR

Polygon separator

See Also:

Constant Field Values

Constructor Detail

SimplePolygonParser

public SimplePolygonParser(Pattern colSep,
                   String quoteChars,
                   Pattern comment)

Constructor.

Parameters:

colSep - Column separator

quoteChars - Quotation character

comment - Comment pattern

Method Detail

parse

public MultipleObjectsBundle parse(InputStream in)

Description copied from interface: Parser

Returns a list of the objects parsed from the specified input stream.

Specified by:

parse in interface Parser

Parameters:

in - the stream to parse objects from

Returns:

a list containing those objects parsed from the input stream

parseLine

private Object[] parseLine(String line)

Parse a single line.

Parameters:

line - Line to parse

Returns:

Parsed polygon

getLogger

protected Logging getLogger()

Description copied from class: AbstractParser

Get the logger for this class.

Specified by:

getLogger in class AbstractParser

Returns:

Logger.