LineMapper (Spring Batch 4.1.4.RELEASE API)

类型参数:
T - type of the domain object
所有已知实现类:
DefaultLineMapper, JsonLineMapper, PassThroughLineMapper, PatternMatchingCompositeLineMapper
```
public interface LineMapper<T>
```
Interface for mapping lines (strings) to domain objects typically used to map lines read from a file to domain objects on a per line basis. Implementations of this interface perform the actual work of parsing a line without having to deal with how the line was obtained.
从以下版本开始:
2.0
作者:
Robert Kasanicky
另请参阅:
FieldSetMapper, LineTokenizer

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`T`	`mapLine(java.lang.String line, int lineNumber)`	Implementations must implement this method to map the provided line to the parameter type T.

- 方法详细资料
  - mapLine
```
T mapLine(java.lang.String line,
          int lineNumber)
   throws java.lang.Exception
```
    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.
    参数:
    line - to be mapped
    lineNumber - of the current line
    返回:
    mapped object of type T
    抛出:
    java.lang.Exception - if error occurred while parsing.