stream.io

Class CsvStream

java.lang.Object

stream.io.AbstractStream

stream.io.AbstractLineStream

stream.io.CsvStream

All Implemented Interfaces:

Source, Stream

public class CsvStream
extends AbstractLineStream

Author:

chris

Field Summary

Fields

Modifier and Type	Field and Description
(package private) ArrayList<String>	columns
(package private) boolean	header
(package private) String[]	keys
(package private) long	lineNo
(package private) static org.slf4j.Logger	log
(package private) String	splitExpression

Fields inherited from class stream.io.AbstractLineStream

attributes, encoding, reader

Fields inherited from class stream.io.AbstractStream

closed, count, id, in, limit, prefix, seqId, sequenceKey, url

Fields inherited from interface stream.io.Stream

SOURCE_KEY

Constructor Summary

Constructors

Constructor and Description
CsvStream(InputStream in)
CsvStream(InputStream in, Charset charset, String splitter)
CsvStream(InputStream in, String splitter)
CsvStream(SourceURL url)
CsvStream(SourceURL url, String splitExp)

Method Summary

Modifier and Type	Method and Description
String[]	getKeys()
String	getSeparator()
void	init()
boolean	isHeader()
String	readLine() This implementation of the readLine() method simply skips all comments, i.e.
Data	readNext()
protected String	removeQuotes(String str)
void	setHeader(boolean header)
void	setKeys(String[] keys)
void	setSeparator(String separator)

Methods inherited from class stream.io.AbstractLineStream

close, getEncoding, setEncoding

Methods inherited from class stream.io.AbstractStream

getId, getInputStream, getLimit, getPrefix, getSequenceKey, getUrl, read, setId, setLimit, setPrefix, setSequenceKey, setUrl

Methods inherited from class java.lang.Object

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

Field Detail

log

static org.slf4j.Logger log

columns

final ArrayList<String> columns

keys

String[] keys

splitExpression

String splitExpression

lineNo

long lineNo

header

boolean header

Constructor Detail

CsvStream

public CsvStream(SourceURL url)
          throws Exception

Parameters:

url -

Throws:

Exception

CsvStream

public CsvStream(InputStream in)
          throws Exception

Throws:

Exception

CsvStream

public CsvStream(InputStream in,
                 String splitter)
          throws Exception

Throws:

Exception

CsvStream

public CsvStream(InputStream in,
                 Charset charset,
                 String splitter)
          throws Exception

Throws:

Exception

CsvStream

public CsvStream(SourceURL url,
                 String splitExp)
          throws Exception

Throws:

Exception

Method Detail

init

public void init()
          throws Exception

Specified by:

init in interface Source

Overrides:

init in class AbstractLineStream

Throws:

Exception

See Also:

Source.init()

isHeader

public boolean isHeader()

Returns:

the header

setHeader

@Parameter(description="Determines whether the first line should be used as header (column names), defaults to \'true\'.",
           required=false)
public void setHeader(boolean header)

Parameters:

header - the header to set

setSeparator

@Parameter(name="separator",
           required=false,
           defaultValue="(;|,)")
public void setSeparator(String separator)

getSeparator

public String getSeparator()

getKeys

public String[] getKeys()

Returns:

the keys

setKeys

public void setKeys(String[] keys)

Parameters:

keys - the keys to set

readNext

public Data readNext()
              throws Exception

Specified by:

readNext in class AbstractStream

Throws:

Exception

See Also:

Source.read()

readLine

public String readLine()
                throws Exception

This implementation of the readLine() method simply skips all comments, i.e. lines starting with the '#' character.

Overrides:

readLine in class AbstractLineStream

Throws:

Exception

See Also:

AbstractLineStream.readLine()

removeQuotes

protected String removeQuotes(String str)