edu.umass.cs.mallet.base.pipe
Class Directory2FileIterator

java.lang.Object
  extended byedu.umass.cs.mallet.base.pipe.Pipe
      extended byedu.umass.cs.mallet.base.pipe.Directory2FileIterator
All Implemented Interfaces:
java.io.Serializable

public class Directory2FileIterator
extends Pipe

Convert a File object representing a directory into a FileIterator which iterates over files in the directory matching a pattern and which extracts a label from each file path to become the target field of the instance.

See Also:
Serialized Form

Constructor Summary
Directory2FileIterator()
           
Directory2FileIterator(java.io.FileFilter fileFilter, java.util.regex.Pattern labelRegex)
           
Directory2FileIterator(java.util.regex.Pattern absolutePathRegex, java.util.regex.Pattern filenameRegex, java.util.regex.Pattern labelRegex)
           
Directory2FileIterator(java.lang.String filenameRegex)
           
 
Method Summary
 java.util.Iterator pipe(java.io.File directory)
           
 Instance pipe(Instance carrier)
          Process an Instance.
 java.util.Iterator pipe(java.lang.String directory)
           
 java.util.Iterator pipe(java.net.URI directory)
           
 
Methods inherited from class edu.umass.cs.mallet.base.pipe.Pipe
getDataAlphabet, getInstanceId, getParent, getParentRoot, getTargetAlphabet, isDataAlphabetSet, isTargetProcessing, pipe, readResolve, resolveDataAlphabet, resolveTargetAlphabet, setDataAlphabet, setParent, setTargetAlphabet, setTargetProcessing
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Directory2FileIterator

public Directory2FileIterator(java.io.FileFilter fileFilter,
                              java.util.regex.Pattern labelRegex)

Directory2FileIterator

public Directory2FileIterator(java.util.regex.Pattern absolutePathRegex,
                              java.util.regex.Pattern filenameRegex,
                              java.util.regex.Pattern labelRegex)

Directory2FileIterator

public Directory2FileIterator(java.lang.String filenameRegex)

Directory2FileIterator

public Directory2FileIterator()
Method Detail

pipe

public Instance pipe(Instance carrier)
Description copied from class: Pipe
Process an Instance. This method takes an input Instance, destructively modifies it in some way, and returns it. This is the method by which all pipes are eventually run.

One can create a new concrete subclass of Pipe simply by implementing this method.

Specified by:
pipe in class Pipe
Parameters:
carrier - Instance to be processed.

pipe

public java.util.Iterator pipe(java.io.File directory)

pipe

public java.util.Iterator pipe(java.net.URI directory)

pipe

public java.util.Iterator pipe(java.lang.String directory)