Package org.orekit.data

Class LineOrientedFilteringReader

java.lang.Object

java.io.Reader

org.orekit.data.LineOrientedFilteringReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public abstract class LineOrientedFilteringReader
extends Reader

Base class for implementing line-oriented data filtering readers.

This reader is intended to be used in DataFilter.

Since:

12.1

Author:

Luc Maisonobe

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
LineOrientedFilteringReader(String name, Reader input)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
protected abstract CharSequence	filterLine(int lineNumber, String originalLine)	Filter one line.
protected BufferedReader	getBufferedReader()	Get the underlying line-oriented reader.
int	read(char[] b, int offset, int len)

Methods inherited from class java.io.Reader

mark, markSupported, nullReader, read, read, read, ready, reset, skip, transferTo

Methods inherited from class java.lang.Object

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

Constructor Detail

LineOrientedFilteringReader

public LineOrientedFilteringReader(String name,
                                   Reader input)
                            throws IOException

Simple constructor.

Parameters:

name - file name

input - underlying raw stream

Throws:

IOException - if first lines cannot be read

Method Detail

getBufferedReader

protected BufferedReader getBufferedReader()

Get the underlying line-oriented reader.

Returns:

underlying line-oriented reader

read

public int read(char[] b,
                int offset,
                int len)
         throws IOException

Specified by:

read in class Reader

Throws:

IOException

filterLine

protected abstract CharSequence filterLine(int lineNumber,
                                           String originalLine)
                                    throws IOException

Filter one line.

Parameters:

lineNumber - line number

originalLine - original line

Returns:

filtered line

Throws:

IOException - if line cannot be parsed

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException