org.springframework.batch.item.file.mapping

## Class PassThroughLineMapper

- java.lang.Object
- - org.springframework.batch.item.file.mapping.PassThroughLineMapper

- All Implemented Interfaces:
    LineMapper<java.lang.String>

      public class PassThroughLineMapper
      extends java.lang.Object
      implements LineMapper<java.lang.String>

  Pass through `LineMapper` useful for passing the original `String` back directly rather than a mapped object.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `PassThroughLineMapper()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.String` | `mapLine(java.lang.String line, int lineNumber)` Implementations must implement this method to map the provided line to the parameter type T.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### PassThroughLineMapper

          public PassThroughLineMapper()

  - ### Method Detail

    - #### mapLine

          public java.lang.String mapLine(java.lang.String line,
                                          int lineNumber)
                                   throws java.lang.Exception

      Description copied from interface: `LineMapper`
      Implementations must implement this method to map the provided line to the parameter type T. The line number represents the number of lines into a file the current line resides.
      Specified by:
        `mapLine` in interface `LineMapper<java.lang.String>`
      Parameters:
        `line` - to be mapped
        `lineNumber` - of the current line
      Returns:
        mapped object of type T
      Throws:
        `java.lang.Exception` - if error occurred while parsing.