Class ConvertEmptyOrBlankStringsToNull

java.lang.Object

com.opencsv.bean.processor.ConvertEmptyOrBlankStringsToNull

All Implemented Interfaces:

StringProcessor

public class ConvertEmptyOrBlankStringsToNull
extends Object
implements StringProcessor

StringProcessor that converts the empty or blank strings to a literal null string. This is useful when you prefer null in a particular variable.

A sample of this can be found in the unit test ProcessorTestBean and is annotated as follows.

    @PreAssignmentProcessor(processor = ConvertEmptyOrBlankStringsToNull.class)
    @CsvBindByName(column = "name")
    private String beanName;
 

Since:

5.4

Constructor Summary

Constructors

Constructor	Description
ConvertEmptyOrBlankStringsToNull()	Default Constructor.

Method Summary

Modifier and Type	Method	Description
String	processString(String value)	Method that contains the code that will transform a string into the value that will be validated and converted into the bean field.
void	setParameterString(String value)	This method is unused in this implementation as we are converting to null.

Methods inherited from class Object

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

Constructor Details

ConvertEmptyOrBlankStringsToNull

public ConvertEmptyOrBlankStringsToNull()

Default Constructor.

Method Details

processString

public String processString(String value)

Description copied from interface: StringProcessor

Method that contains the code that will transform a string into the value that will be validated and converted into the bean field.

Specified by:

processString in interface StringProcessor

Parameters:

value - String to be processed

Returns:

The processed String

setParameterString

public void setParameterString(String value)

This method is unused in this implementation as we are converting to null. Any calls to this method are ignored.

Specified by:

setParameterString in interface StringProcessor

Parameters:

value - Information used by the processor to process the string