Package opennlp.tools.sentdetect

# Class EmptyLinePreprocessorStream

java.lang.Object
opennlp.tools.util.FilterObjectStream<String,String>
opennlp.tools.sentdetect.EmptyLinePreprocessorStream

All Implemented Interfaces:
  `AutoCloseable`, `ObjectStream<String>`

@Internal public class EmptyLinePreprocessorStream extends FilterObjectStream<String,String>
`ObjectStream` to clean up empty lines for empty line separated document streams.
- Skips empty line at training data start
- Transforms multiple empty lines in a row into one
- Replaces white space lines with empty lines
- TODO: Terminates last document with empty line if it is missing
This stream should be used by the components that mark empty lines to mark document boundaries.

Note: This class is not thread safe.

Note: Do not use this class, internal use only!

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `EmptyLinePreprocessorStream(ObjectStream<String> in)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `String`
  `read()`
  Returns the next `ObjectStream` object.

  ### Methods inherited from class opennlp.tools.util.FilterObjectStream

  `close, reset`

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

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

- ## Constructor Details

  - ### EmptyLinePreprocessorStream

    public EmptyLinePreprocessorStream(ObjectStream<String> in)

- ## Method Details

  - ### read

    public String read() throws IOException
    Description copied from interface: `ObjectStream`
    Returns the next `ObjectStream` object. Calling this method repeatedly until it returns `null` will return each object from the underlying source exactly once.
    Returns:
      The next object or `null` to signal that the stream is exhausted.
    Throws:
      `IOException` - Thrown if there is an error during reading.