net.sf.jmatchparser.util.csv
Class FixedWidthCSVReader

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

public class FixedWidthCSVReader
extends AbstractCSVReader

Class to read data from a fixed width CSV (Comma Separated Value) file, where every column has a fixed width and may optionally additionally delimited by separator characters.

Constructor Summary

FixedWidthCSVReader(BufferedReader br, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given buffered reader using the given columns and no separators.

FixedWidthCSVReader(BufferedReader br, int... widths)
Create a new FixedWidthCSVReader that reads from the given buffered reader using left-aligned space-padded columns only and no separators.

FixedWidthCSVReader(BufferedReader br, String... columnSpecs)
Create a new FixedWidthCSVReader that reads from the given buffered reader using columns parsed from the given column specs and no separators.

FixedWidthCSVReader(BufferedReader br, String prefix, String separator, String suffix, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given buffered reader using the given columns and separators.

FixedWidthCSVReader(InputStream in, String charsetName, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given stream using the given columns and no separators.

FixedWidthCSVReader(InputStream in, String charsetName, int... widths)
Create a new FixedWidthCSVReader that reads from the given stream using left-aligned space-padded columns only and no separators.

FixedWidthCSVReader(InputStream in, String charsetName, String... columnSpecs)
Create a new FixedWidthCSVReader that reads from the given stream using columns parsed from the given column specs and no separators.

FixedWidthCSVReader(InputStream in, String charsetName, String prefix, String separator, String suffix, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given stream using the given columns and separators.

FixedWidthCSVReader(Reader r, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given reader using the given columns and no separators.

FixedWidthCSVReader(Reader r, int... widths)
Create a new FixedWidthCSVReader that reads from the given reader using left-aligned space-padded columns only and no separators.

FixedWidthCSVReader(Reader r, String... columnSpecs)
Create a new FixedWidthCSVReader that reads from the given reader using columns parsed from the given column specs and no separators.

FixedWidthCSVReader(Reader r, String prefix, String separator, String suffix, FixedWidthColumn... columns)
Create a new FixedWidthCSVReader that reads from the given reader using the given columns and separators.

Method Summary

void	close() Close this reader.
String[]	read() Read a line from the fixed width CSV file.
void	setStripComments(boolean stripComments) Set whether comments (lines starting with # or empty lines) should be stripped.

Methods inherited from class net.sf.jmatchparser.util.csv.AbstractCSVReader

read, read, writeTo

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedWidthCSVReader

public FixedWidthCSVReader(BufferedReader br,
                           int... widths)

Create a new FixedWidthCSVReader that reads from the given buffered reader using left-aligned space-padded columns only and no separators.

Parameters:

br - The buffered reader to read from

widths - The width of each column

FixedWidthCSVReader

public FixedWidthCSVReader(BufferedReader br,
                           String... columnSpecs)
                    throws IOException

Create a new FixedWidthCSVReader that reads from the given buffered reader using columns parsed from the given column specs and no separators.

Parameters:

br - The buffered reader to read from

columnSpecs - The format specification of each column

Throws:

IOException

FixedWidthCSVReader

public FixedWidthCSVReader(BufferedReader br,
                           FixedWidthColumn... columns)

Create a new FixedWidthCSVReader that reads from the given buffered reader using the given columns and no separators.

Parameters:

br - The buffered reader to read from

columns - The format of each column

FixedWidthCSVReader

public FixedWidthCSVReader(BufferedReader br,
                           String prefix,
                           String separator,
                           String suffix,
                           FixedWidthColumn... columns)

Create a new FixedWidthCSVReader that reads from the given buffered reader using the given columns and separators.

Parameters:

br - The buffered reader to read from

prefix - The prefix to add to each line

separator - The separator to add between each field

suffix - The suffix to add to each line

columns - The format of each column

FixedWidthCSVReader

public FixedWidthCSVReader(Reader r,
                           int... widths)

Create a new FixedWidthCSVReader that reads from the given reader using left-aligned space-padded columns only and no separators.

Parameters:

r - The reader to read from

widths - The width of each column

FixedWidthCSVReader

public FixedWidthCSVReader(Reader r,
                           String... columnSpecs)
                    throws IOException

Create a new FixedWidthCSVReader that reads from the given reader using columns parsed from the given column specs and no separators.

Parameters:

r - The reader to read from

columnSpecs - The format specification of each column

Throws:

IOException

FixedWidthCSVReader

public FixedWidthCSVReader(Reader r,
                           FixedWidthColumn... columns)

Create a new FixedWidthCSVReader that reads from the given reader using the given columns and no separators.

Parameters:

r - The reader to read from

columns - The format of each column

FixedWidthCSVReader

public FixedWidthCSVReader(Reader r,
                           String prefix,
                           String separator,
                           String suffix,
                           FixedWidthColumn... columns)

Create a new FixedWidthCSVReader that reads from the given reader using the given columns and separators.

Parameters:

r - The reader to read from

prefix - The prefix to add to each line

separator - The separator to add between each field

suffix - The suffix to add to each line

columns - The format of each column

FixedWidthCSVReader

public FixedWidthCSVReader(InputStream in,
                           String charsetName,
                           int... widths)
                    throws UnsupportedEncodingException

Create a new FixedWidthCSVReader that reads from the given stream using left-aligned space-padded columns only and no separators.

Parameters:

in - The input stream to read from

charsetName - Name of the charset to be used

widths - The width of each column

Throws:

UnsupportedEncodingException

FixedWidthCSVReader

public FixedWidthCSVReader(InputStream in,
                           String charsetName,
                           String... columnSpecs)
                    throws IOException

Create a new FixedWidthCSVReader that reads from the given stream using columns parsed from the given column specs and no separators.

Parameters:

in - The input stream to read from

charsetName - Name of the charset to be used

columnSpecs - The format specification of each column

Throws:

IOException

FixedWidthCSVReader

public FixedWidthCSVReader(InputStream in,
                           String charsetName,
                           FixedWidthColumn... columns)
                    throws UnsupportedEncodingException

Create a new FixedWidthCSVReader that reads from the given stream using the given columns and no separators.

Parameters:

in - The input stream to read from

charsetName - Name of the charset to be used

columns - The format of each column

Throws:

UnsupportedEncodingException

FixedWidthCSVReader

public FixedWidthCSVReader(InputStream in,
                           String charsetName,
                           String prefix,
                           String separator,
                           String suffix,
                           FixedWidthColumn... columns)
                    throws UnsupportedEncodingException

Create a new FixedWidthCSVReader that reads from the given stream using the given columns and separators.

Parameters:

in - The input stream to read from

charsetName - Name of the charset to be used

prefix - The prefix to add to each line

separator - The separator to add between each field

suffix - The suffix to add to each line

columns - The format of each column

Throws:

UnsupportedEncodingException

Method Detail

close

public void close()
           throws IOException

Description copied from class: AbstractCSVReader

Close this reader.

Specified by:

close in class AbstractCSVReader

Throws:

IOException

setStripComments

public void setStripComments(boolean stripComments)

Set whether comments (lines starting with # or empty lines) should be stripped.

read

public String[] read()
              throws IOException

Read a line from the fixed width CSV file.

Specified by:

read in class AbstractCSVReader

Throws:

IOException