Package com.epimorphics.converters

Class CSVDataSource

java.lang.Object

com.epimorphics.converters.CSVDataSource

All Implemented Interfaces:

RawDataSource, Iterable<Map<String,Object>>, Iterator<Map<String,Object>>

public class CSVDataSource
extends Object
implements RawDataSource

Reader for CVS files with assumed header row.

Version:

$Revision: $

Author:

Dave Reynolds

Field Summary

Fields

Modifier and Type	Field	Description
protected List<String[]>	allrows
protected au.com.bytecode.opencsv.CSVReader	csvIn
protected List<String>	headers
protected boolean	preload
protected String[]	row
static String	ROW_VARNAME
protected long	rowNum

Fields inherited from interface com.epimorphics.converters.RawDataSource

INDEX, ROW

Constructor Summary

Constructors

Constructor	Description
CSVDataSource(File file)
CSVDataSource(File file, boolean preload)
CSVDataSource(Reader reader)
CSVDataSource(Reader reader, boolean preload)

Method Summary

Modifier and Type	Method	Description
List<String>	getFieldNames()	Return the set of top level field names in each record
long	getRowsProcessed()
boolean	hasNext()	Return true if more record values are available.
Iterator<Map<String,Object>>	iterator()	Return itself as an iterator
Map<String,Object>	next()	Return the next record value.
void	remove()
long	size()	Return the total number of rows in the source or -1 if this information is not available

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

ROW_VARNAME

public static final String ROW_VARNAME

See Also:

Constant Field Values

csvIn

protected au.com.bytecode.opencsv.CSVReader csvIn

headers

protected List<String> headers

row

protected String[] row

rowNum

protected long rowNum

allrows

protected List<String[]> allrows

preload

protected boolean preload

Constructor Detail

CSVDataSource

public CSVDataSource(File file)
              throws IOException

Throws:

IOException

CSVDataSource

public CSVDataSource(Reader reader)
              throws IOException

Throws:

IOException

CSVDataSource

public CSVDataSource(File file,
                     boolean preload)
              throws IOException

Throws:

IOException

CSVDataSource

public CSVDataSource(Reader reader,
                     boolean preload)
              throws IOException

Throws:

IOException

Method Detail

getRowsProcessed

public long getRowsProcessed()

remove

public void remove()

Specified by:

remove in interface Iterator<Map<String,Object>>

getFieldNames

public List<String> getFieldNames()

Description copied from interface: RawDataSource

Return the set of top level field names in each record

Specified by:

getFieldNames in interface RawDataSource

hasNext

public boolean hasNext()

Description copied from interface: RawDataSource

Return true if more record values are available.

Specified by:

hasNext in interface Iterator<Map<String,Object>>

Specified by:

hasNext in interface RawDataSource

next

public Map<String,Object> next()

Description copied from interface: RawDataSource

Return the next record value.

Specified by:

next in interface Iterator<Map<String,Object>>

Specified by:

next in interface RawDataSource

iterator

public Iterator<Map<String,Object>> iterator()

Description copied from interface: RawDataSource

Return itself as an iterator

Specified by:

iterator in interface Iterable<Map<String,Object>>

Specified by:

iterator in interface RawDataSource

size

public long size()

Description copied from interface: RawDataSource

Return the total number of rows in the source or -1 if this information is not available

Specified by:

size in interface RawDataSource