edu.stanford.nlp.io
Class IOUtils

java.lang.Object
  edu.stanford.nlp.io.IOUtils

public class IOUtils
extends Object

Helper Class for storing serialized objects to disk.

Author:

Kayur Patel, Teg Grenager

Method Summary

static int	lineCount(File textFile)
static Object	readObjectFromFile(File file) Read an object from a stored file.
static Object	readObjectFromFile(String filename) Read an object from a stored file.
static Object	readObjectFromFileNoExceptions(File file) Read an object from a stored file without throwing exceptions.
static BufferedReader	readReaderFromString(String textFileOrUrl)
static BufferedReader	readReaderFromString(String textFileOrUrl, String encoding)
static ObjectInputStream	readStreamFromString(String filenameOrUrl)
static File	writeObjectToFile(Object o, File file) Write an object to a specified File.
static File	writeObjectToFile(Object o, String filename) Write object to a file with the specified name.
static File	writeObjectToFileNoExceptions(Object o, String filename) Write object to a file with the specified name.
static File	writeObjectToTempFile(Object o, String filename) Write object to temp file which is destroyed when the program exits.
static File	writeObjectToTempFileNoExceptions(Object o, String filename) Write object to a temp file and ignore exceptions.
static ObjectOutputStream	writeStreamFromString(String serializePath)

Methods inherited from class java.lang.Object

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

Method Detail

writeObjectToFile

public static File writeObjectToFile(Object o,
                                     String filename)
                              throws IOException

Write object to a file with the specified name.

Parameters:

o - object to be written to file

filename - name of the temp file

Returns:

File containing the object

Throws:

IOException - If can't write file.

writeObjectToFile

public static File writeObjectToFile(Object o,
                                     File file)
                              throws IOException

Write an object to a specified File.

Parameters:

o - object to be written to file

file - The temp File

Returns:

File containing the object

Throws:

IOException - If File cannot be written

writeObjectToFileNoExceptions

public static File writeObjectToFileNoExceptions(Object o,
                                                 String filename)

Write object to a file with the specified name.

Parameters:

o - object to be written to file

filename - name of the temp file

Returns:

File containing the object, or null if an exception was caught

writeObjectToTempFile

public static File writeObjectToTempFile(Object o,
                                         String filename)
                                  throws IOException

Write object to temp file which is destroyed when the program exits.

Parameters:

o - object to be written to file

filename - name of the temp file

Returns:

File containing the object

Throws:

IOException - If file cannot be written

writeObjectToTempFileNoExceptions

public static File writeObjectToTempFileNoExceptions(Object o,
                                                     String filename)

Write object to a temp file and ignore exceptions.

Parameters:

o - object to be written to file

filename - name of the temp file

Returns:

File containing the object

readObjectFromFile

public static Object readObjectFromFile(File file)
                                 throws IOException,
                                        ClassNotFoundException

Read an object from a stored file.

Parameters:

file - the file pointing to the object to be retrived

Returns:

the object read from the file.

Throws:

IOException - If file cannot be read

ClassNotFoundException - If reading serialized object fails

readObjectFromFile

public static Object readObjectFromFile(String filename)
                                 throws IOException,
                                        ClassNotFoundException

Read an object from a stored file.

Parameters:

filename - The filename of the object to be retrived

Returns:

The object read from the file.

Throws:

IOException - If file cannot be read

ClassNotFoundException - If reading serialized object fails

readObjectFromFileNoExceptions

public static Object readObjectFromFileNoExceptions(File file)

Read an object from a stored file without throwing exceptions.

Parameters:

file - the file pointing to the object to be retrived

Returns:

the object read from the file, or null if an exception occurred.

lineCount

public static int lineCount(File textFile)
                     throws IOException

Throws:

IOException

writeStreamFromString

public static ObjectOutputStream writeStreamFromString(String serializePath)
                                                throws IOException

Throws:

IOException

readStreamFromString

public static ObjectInputStream readStreamFromString(String filenameOrUrl)
                                              throws IOException

Throws:

IOException

readReaderFromString

public static BufferedReader readReaderFromString(String textFileOrUrl)
                                           throws IOException

Throws:

IOException

readReaderFromString

public static BufferedReader readReaderFromString(String textFileOrUrl,
                                                  String encoding)
                                           throws IOException

Throws:

IOException