org.databene.document.csv
Class CSVLineIterator

java.lang.Object
  org.databene.document.csv.CSVLineIterator

All Implemented Interfaces:

java.io.Closeable, java.util.Iterator<java.lang.String[]>, HeavyweightIterator<java.lang.String[]>

public class CSVLineIterator
extends java.lang.Object
implements HeavyweightIterator<java.lang.String[]>

Gives accesses to content of a CSV file by String arrays that represent the CSV rows as specified in RFC 4180.

Author:

Volker Bergmann

Field Summary

static char

DEFAULT_SEPARATOR The default separator to use

Constructor Summary

CSVLineIterator(java.io.Reader reader)
Creates a parser that reads from a reader

CSVLineIterator(java.io.Reader reader, char separator)
Creates a parser that reads from a reader and used a special separator character

CSVLineIterator(java.io.Reader reader, char separator, boolean ignoreEmptyLines)

CSVLineIterator(java.lang.String uri)
Creates a parser that reads from a uri

CSVLineIterator(java.lang.String uri, char separator)
Creates a parser that reads from a uri

CSVLineIterator(java.lang.String uri, char separator, boolean ignoreEmptyLines)

CSVLineIterator(java.lang.String uri, char separator, boolean ignoreEmptyLines, java.lang.String encoding)

CSVLineIterator(java.lang.String uri, char separator, java.lang.String encoding)

Method Summary

void	close() Closes the source
boolean	hasNext()
int	lineCount()
java.lang.String[]	next() Parses a CSV row into an array of Strings
static void	process(java.lang.String uri, char separator, java.lang.String encoding, boolean ignoreEmptyLines, CSVLineHandler lineHandler)
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SEPARATOR

public static final char DEFAULT_SEPARATOR

The default separator to use

See Also:

Constant Field Values

Constructor Detail

CSVLineIterator

public CSVLineIterator(java.lang.String uri)
                throws java.io.IOException

Creates a parser that reads from a uri

Parameters:

uri - the URL to read from

Throws:

java.io.IOException - if uri access failed

CSVLineIterator

public CSVLineIterator(java.lang.String uri,
                       char separator)
                throws java.io.IOException

Creates a parser that reads from a uri

Parameters:

uri - the URL to read from

separator -

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.lang.String uri,
                       char separator,
                       java.lang.String encoding)
                throws java.io.IOException

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.lang.String uri,
                       char separator,
                       boolean ignoreEmptyLines)
                throws java.io.IOException

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.lang.String uri,
                       char separator,
                       boolean ignoreEmptyLines,
                       java.lang.String encoding)
                throws java.io.IOException

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.io.Reader reader)
                throws java.io.IOException

Creates a parser that reads from a reader

Parameters:

reader - the reader to read from

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.io.Reader reader,
                       char separator)
                throws java.io.IOException

Creates a parser that reads from a reader and used a special separator character

Parameters:

reader - the reader to use

separator - the separator character

Throws:

java.io.IOException

CSVLineIterator

public CSVLineIterator(java.io.Reader reader,
                       char separator,
                       boolean ignoreEmptyLines)
                throws java.io.IOException

Throws:

java.io.IOException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<java.lang.String[]>

next

public java.lang.String[] next()

Parses a CSV row into an array of Strings

Specified by:

next in interface java.util.Iterator<java.lang.String[]>

Returns:

an array of Strings that represents a CSV row

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<java.lang.String[]>

close

public void close()

Closes the source

Specified by:

close in interface java.io.Closeable

lineCount

public int lineCount()

process

public static void process(java.lang.String uri,
                           char separator,
                           java.lang.String encoding,
                           boolean ignoreEmptyLines,
                           CSVLineHandler lineHandler)
                    throws java.io.IOException

Throws:

java.io.IOException