edu.northwestern.at.utils

Class TextFile

java.lang.Object

edu.northwestern.at.utils.TextFile

public class TextFile
extends java.lang.Object

TextFile reads a text file into an array of strings.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.File	textFile The text file.
protected java.lang.String	textFileEncoding The text file encoding.
protected java.lang.String[]	textFileLines The text of the data file, split into lines.
protected boolean	textFileLoaded True if file loaded OK.

Constructor Summary

Constructors

Constructor and Description
TextFile(java.io.File textFile) Create text file object from local file.
TextFile(java.io.File textFile, java.lang.String encoding) Create text file object from file with specified encoding.
TextFile(java.io.InputStream inputStream) Create data file object from input stream.
TextFile(java.io.InputStream inputStream, java.lang.String encoding) Create data file object from input stream.
TextFile(java.lang.String textFileName) Create text file object from named file.
TextFile(java.lang.String textFileName, java.lang.String encoding) Create text file object from named file with specified encoding.
TextFile(java.net.URL url, java.lang.String encoding) Create data file object from URL.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	openFile(java.io.File inputFile) Read local file into array of strings.
protected void	openInputStream(java.io.InputStream inputStream) Read stream into array of strings.
int	size() Return number of lines in the data file.
boolean	textLoaded() Did text load OK?
java.lang.String[]	toArray() Return file contents as a string array.
java.lang.String	toString() Return file contents as a string.

Methods inherited from class java.lang.Object

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

Field Detail

textFile

protected java.io.File textFile

The text file. May be null if file read from a stream.

textFileEncoding

protected java.lang.String textFileEncoding

The text file encoding. Defaults to utf-8.

textFileLines

protected java.lang.String[] textFileLines

The text of the data file, split into lines.

textFileLoaded

protected boolean textFileLoaded

True if file loaded OK.

Constructor Detail

TextFile

public TextFile(java.io.File textFile,
        java.lang.String encoding)

Create text file object from file with specified encoding.

Parameters:

textFile - Text file.

encoding - Text file encoding (utf-8, 8859_1, etc.).

TextFile

public TextFile(java.lang.String textFileName,
        java.lang.String encoding)

Create text file object from named file with specified encoding.

Parameters:

textFileName - The data file name.

encoding - Text file encoding (utf-8, 8859_1, etc.).

TextFile

public TextFile(java.lang.String textFileName)

Create text file object from named file.

Parameters:

textFileName - The data file name.

TextFile

public TextFile(java.io.File textFile)

Create text file object from local file.

Parameters:

textFile - The data file.

TextFile

public TextFile(java.io.InputStream inputStream,
        java.lang.String encoding)

Create data file object from input stream.

Parameters:

inputStream - The input stream for the data file.

encoding - Text file encoding (utf-8, 8859_1, etc.).

TextFile

public TextFile(java.net.URL url,
        java.lang.String encoding)

Create data file object from URL.

Parameters:

url - The input URL for the data file.

encoding - Text file encoding (utf-8, 8859_1, etc.).

TextFile

public TextFile(java.io.InputStream inputStream)

Create data file object from input stream.

Parameters:

inputStream - The input stream for the data file.

Method Detail

openFile

protected void openFile(java.io.File inputFile)

Read local file into array of strings.

Parameters:

inputFile - The input file. The file is opened using the urf-8 character set.

openInputStream

protected void openInputStream(java.io.InputStream inputStream)

Read stream into array of strings.

Parameters:

inputStream - The InputStream for the file.

size

public int size()

Return number of lines in the data file.

Returns:

Number of lines in the file.

textLoaded

public boolean textLoaded()

Did text load OK?

Returns:

true if text file loaded OK.

toArray

public java.lang.String[] toArray()

Return file contents as a string array.

Returns:

File contents as a string array.

toString

public java.lang.String toString()

Return file contents as a string.

Overrides:

toString in class java.lang.Object

Returns:

File contents as a string.

Each line of the data file is separated by the platform line separator character in the returned string.