EmptyLinePreprocessorStream (Apache OpenNLP Tools 2.1.1 API)

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
  
  All Methods Instance Methods Concrete Methods
  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 Detail
  - EmptyLinePreprocessorStream
```
public EmptyLinePreprocessorStream(ObjectStream<String> in)
```
- Method Detail
  - 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.