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Class PennTreebankReader

java.lang.Object
  up.PennTreebankReader

public class PennTreebankReader
extends java.lang.Object

Read files in the Penn Treebank format.

Field Summary

static java.lang.String

ROOT_LABEL The label used for the root node of a tree.

Constructor Summary

PennTreebankReader(TreeHandler handler)
Constructs a reader that sends the trees to the specified handler.

Method Summary

void	read(java.io.File file) Reads trees from the specified file.
void	read(java.io.File root, int from, int to) Reads trees from the specified range of WSJ data.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ROOT_LABEL

public static final java.lang.String ROOT_LABEL

The label used for the root node of a tree.

See Also:

Constant Field Values

Constructor Detail

PennTreebankReader

public PennTreebankReader(TreeHandler handler)

Constructs a reader that sends the trees to the specified handler.

Parameters:

handler - the tree handler to send the read trees to

Method Detail

read

public void read(java.io.File file)
          throws java.io.FileNotFoundException,
                 java.io.IOException

Reads trees from the specified file.

Parameters:

file - the file to read

Throws:

java.io.FileNotFoundException - if the specified file cannot be found

java.io.IOException - if an error occurs during the reading of the specified file

read

public void read(java.io.File root,
                 int from,
                 int to)
          throws java.io.FileNotFoundException,
                 java.io.IOException

Reads trees from the specified range of WSJ data.

Parameters:

root - the root of the file structure containing the WSJ data

from - the lowest file number to be read from the specified file structure

to - the highest file number to be read from the specified file structure

Throws:

java.io.FileNotFoundException - if a file cannot be found

java.io.IOException - if an error occurs during reading