net.sf.jmatchparser.util.csv
Class AbstractCSVReader

java.lang.Object
  net.sf.jmatchparser.util.csv.AbstractCSVReader

Direct Known Subclasses:

CSVReader, FixedWidthCSVReader, PropertiesCSVReader, XMLCSVReader, XPathCSVReader

public abstract class AbstractCSVReader
extends Object

Abstract base class to read data from several CSV-like file formats.

Constructor Summary

AbstractCSVReader()

Method Summary

abstract void	close() Close this reader.
abstract String[]	read() Read a line from the CSV file.
String[]	read(int columnCount) Read a line from the CSV file and pad it to the given number of columns with empty strings.
<T> Map<T,String>	read(T[] headers, boolean includeEmptyColumns) Read a line from the CSV file, and pass its columns into a Map using the given keys/headers.
void	writeTo(AbstractCSVWriter writer) Write the complete content of this reader to the given AbstractCSVWriter and close both reader and writer.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCSVReader

public AbstractCSVReader()

Method Detail

read

public final <T> Map<T,String> read(T[] headers,
                                    boolean includeEmptyColumns)
                         throws IOException

Read a line from the CSV file, and pass its columns into a Map using the given keys/headers.

Type Parameters:

T - Type of the keys

Parameters:

headers - Keys/Headers

includeEmptyColumns - Whether to include empty column values in the map

Throws:

IOException

read

public final String[] read(int columnCount)
                    throws IOException

Read a line from the CSV file and pad it to the given number of columns with empty strings.

Parameters:

columnCount - Desired number of columns

Returns:

The padded line

Throws:

IOException - if there are too many columns in the original line.

writeTo

public void writeTo(AbstractCSVWriter writer)
             throws IOException

Write the complete content of this reader to the given AbstractCSVWriter and close both reader and writer.

Parameters:

writer - The writer to write to

Throws:

IOException

read

public abstract String[] read()
                       throws IOException

Read a line from the CSV file.

Throws:

IOException

close

public abstract void close()
                    throws IOException

Close this reader.

Throws:

IOException