org.springframework.batch.item.file.transform
Class DelimitedLineTokenizer

java.lang.Object
  extended by org.springframework.batch.item.file.transform.AbstractLineTokenizer
      extended by org.springframework.batch.item.file.transform.DelimitedLineTokenizer
All Implemented Interfaces:
LineTokenizer

public class DelimitedLineTokenizer
extends AbstractLineTokenizer

Author:
Rob Harrop, Dave Syer

Field Summary
static char DEFAULT_QUOTE_CHARACTER
          Convenient constant for the common case of a " character used to escape delimiters or line endings.
static char DELIMITER_COMMA
          Convenient constant for the common case of a comma delimiter.
static char DELIMITER_TAB
          Convenient constant for the common case of a tab delimiter.
 
Fields inherited from class org.springframework.batch.item.file.transform.AbstractLineTokenizer
names
 
Constructor Summary
DelimitedLineTokenizer()
          Create a new instance of the DelimitedLineTokenizer class for the common case where the delimiter is a comma.
DelimitedLineTokenizer(char delimiter)
          Create a new instance of the DelimitedLineTokenizer class.
 
Method Summary
protected  List doTokenize(String line)
          Yields the tokens resulting from the splitting of the supplied line.
protected  boolean isQuoteCharacter(char c)
          Is the supplied character a quote character?
 void setDelimiter(char delimiter)
          Setter for the delimiter character.
 void setQuoteCharacter(char quoteCharacter)
          Public setter for the quoteCharacter.
 
Methods inherited from class org.springframework.batch.item.file.transform.AbstractLineTokenizer
hasNames, setNames, tokenize
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DELIMITER_TAB

public static final char DELIMITER_TAB
Convenient constant for the common case of a tab delimiter.

See Also:
Constant Field Values

DELIMITER_COMMA

public static final char DELIMITER_COMMA
Convenient constant for the common case of a comma delimiter.

See Also:
Constant Field Values

DEFAULT_QUOTE_CHARACTER

public static final char DEFAULT_QUOTE_CHARACTER
Convenient constant for the common case of a " character used to escape delimiters or line endings.

See Also:
Constant Field Values
Constructor Detail

DelimitedLineTokenizer

public DelimitedLineTokenizer()
Create a new instance of the DelimitedLineTokenizer class for the common case where the delimiter is a comma.

See Also:
DelimitedLineTokenizer(char), DELIMITER_COMMA

DelimitedLineTokenizer

public DelimitedLineTokenizer(char delimiter)
Create a new instance of the DelimitedLineTokenizer class.

Parameters:
delimiter - the desired delimiter
Method Detail

setDelimiter

public void setDelimiter(char delimiter)
Setter for the delimiter character.

Parameters:
delimiter -

setQuoteCharacter

public void setQuoteCharacter(char quoteCharacter)
Public setter for the quoteCharacter. The quote character can be used to extend a field across line endings or to enclose a String which contains the delimiter. Inside a quoted token the quote character can be used to escape itself, thus "a""b""c" is tokenized to a"b"c.

Parameters:
quoteCharacter - the quoteCharacter to set
See Also:
DEFAULT_QUOTE_CHARACTER

doTokenize

protected List doTokenize(String line)
Yields the tokens resulting from the splitting of the supplied line.

Specified by:
doTokenize in class AbstractLineTokenizer
Parameters:
line - the line to be tokenized
Returns:
the resulting tokens

isQuoteCharacter

protected boolean isQuoteCharacter(char c)
Is the supplied character a quote character?

Parameters:
c - the character to be checked
Returns:
true if the supplied character is an quote character
See Also:
setQuoteCharacter(char)


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