Package: org.codehaus.groovy.control.io

## [Java] Class AbstractReaderSource

- org.codehaus.groovy.control.io.AbstractReaderSource

- All Implemented Interfaces and Traits:
    ReaderSource

      public abstract class AbstractReaderSource
      extends Object

  For ReaderSources that can choose a parent class, a base that provides common functionality.

  Authors:
    Chris Poirier
  Version:
    \$Id\$

- - ### Field Summary

    Fields
    Modifiers | Name | Description
    --- | --- | ---
    `protected CompilerConfiguration` | `configuration` |

  - ### Constructor Summary

    Constructors
    Constructor and description
    `AbstractReaderSource (CompilerConfiguration configuration)`

  - ### Methods Summary

    Methods
    Type | Name and description
    --- | ---
    `boolean` | `canReopenSource()` Returns true if the source can be restarted (ie. if getReader() will return non-null on subsequent calls.
    `void` | `cleanup()` Cleans up any cached resources used by getLine().
    `String` | `getLine(int lineNumber, Janitor janitor)` Returns a line from the source, or null, if unavailable.

  - ### Inherited Methods Summary

    Inherited Methods
    Methods inherited from class | Name
    --- | ---
    `class Object` | `wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll`

- - ### Field Detail

    - #### protected CompilerConfiguration configuration

  - ### Constructor Detail

    - #### public AbstractReaderSource(CompilerConfiguration configuration)

  - ### Method Detail

    - #### public boolean canReopenSource()

      Returns true if the source can be restarted (ie. if getReader() will return non-null on subsequent calls.

    - #### public void cleanup()

      Cleans up any cached resources used by getLine().

    - #### public String getLine(int lineNumber, Janitor janitor)

      Returns a line from the source, or null, if unavailable. If you supply a Janitor, resources will be cached.