org.apache.commons.lang.text
Class CompositeFormat

java.lang.Object
  extended by java.text.Format
      extended by org.apache.commons.lang.text.CompositeFormat
All Implemented Interfaces:
Serializable, Cloneable

public class CompositeFormat
extends Format

Formats using one formatter and parses using a different formatter. An example of use for this would be a webapp where data is taken in one way and stored in a database another way.

Version:
$Id: CompositeFormat.java 905636 2010-02-02 14:03:32Z niallp $
Author:
Apache Software Foundation, Archimedes Trajano
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class java.text.Format
Format.Field
 
Constructor Summary
CompositeFormat(Format parser, Format formatter)
          Create a format that points its parseObject method to one implementation and its format method to another.
 
Method Summary
 StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos)
          Uses the formatter Format instance.
 Format getFormatter()
          Provides access to the parser Format implementation.
 Format getParser()
          Provides access to the parser Format implementation.
 Object parseObject(String source, ParsePosition pos)
          Uses the parser Format instance.
 String reformat(String input)
          Utility method to parse and then reformat a String.
 
Methods inherited from class java.text.Format
clone, format, formatToCharacterIterator, parseObject
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CompositeFormat

public CompositeFormat(Format parser,
                       Format formatter)
Create a format that points its parseObject method to one implementation and its format method to another.

Parameters:
parser - implementation
formatter - implementation
Method Detail

format

public StringBuffer format(Object obj,
                           StringBuffer toAppendTo,
                           FieldPosition pos)
Uses the formatter Format instance.

Specified by:
format in class Format
Parameters:
obj - the object to format
toAppendTo - the StringBuffer to append to
pos - the FieldPosition to use (or ignore).
Returns:
toAppendTo
See Also:
Format.format(Object, StringBuffer, FieldPosition)

parseObject

public Object parseObject(String source,
                          ParsePosition pos)
Uses the parser Format instance.

Specified by:
parseObject in class Format
Parameters:
source - the String source
pos - the ParsePosition containing the position to parse from, will be updated according to parsing success (index) or failure (error index)
Returns:
the parsed Object
See Also:
Format.parseObject(String, ParsePosition)

getParser

public Format getParser()
Provides access to the parser Format implementation.

Returns:
parser Format implementation

getFormatter

public Format getFormatter()
Provides access to the parser Format implementation.

Returns:
formatter Format implementation

reformat

public String reformat(String input)
                throws ParseException
Utility method to parse and then reformat a String.

Parameters:
input - String to reformat
Returns:
A reformatted String
Throws:
ParseException - thrown by parseObject(String) call


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