edu.ucla.sspace.vector

Class VectorIO

java.lang.Object

edu.ucla.sspace.vector.VectorIO

public class VectorIO
extends Object

A shared utility for printing Vectors and arrays to files in a uniform manner.

Author:

David Jurgens

Method Summary

Methods

Modifier and Type	Method and Description
static double[]	readDoubleArray(File f) Read a double array from the specified file.
static String	toString(double[] vector) Convert a double array to a String where values are separated by spaces.
static String	toString(int[] vector) Convert a integer array to a String where values are separated by spaces.
static String	toString(Vector vector) Convert a Vector to a String where values are separated by spaces.
static void	writeVector(int[] vector, File f) Write the values of an integer array to the the specified File.
static void	writeVector(int[] vector, PrintWriter pw) Write the values of an integer array to the destination stored by a PrintWriter.
static void	writeVector(int[] vector, String word, File outputDir) Creates a file using the provided word name in the given output directory.

Methods inherited from class java.lang.Object

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

Method Detail

readDoubleArray

public static double[] readDoubleArray(File f)
                                throws IOException

Read a double array from the specified file. is interpreted as a plain text file with array values separated by whitespace.

Parameters:

f - A whitespace separated file of double values.

Returns:

A double array of values in f.

Throws:

IOException

toString

public static String toString(Vector vector)

Convert a Vector to a String where values are separated by spaces.

Parameters:

vector - An Vector of values to convert.

Returns:

A String representing vector.

toString

public static String toString(double[] vector)

Convert a double array to a String where values are separated by spaces.

Parameters:

vector - An array of values to convert.

Returns:

A String representing vector.

toString

public static String toString(int[] vector)

Convert a integer array to a String where values are separated by spaces.

Parameters:

vector - An array of values to convert.

Returns:

A String representing vector.

writeVector

public static void writeVector(int[] vector,
               PrintWriter pw)
                        throws IOException

Write the values of an integer array to the destination stored by a PrintWriter.

Parameters:

vector - The integer array to write out.

pw - A PrintWriter to write values to.

Throws:

IOException

writeVector

public static void writeVector(int[] vector,
               File f)
                        throws IOException

Write the values of an integer array to the the specified File.

Parameters:

vector - The integer array to write out.

f - A PrintWriter to write values to.

Throws:

IOException

writeVector

public static void writeVector(int[] vector,
               String word,
               File outputDir)
                        throws IOException

Creates a file using the provided word name in the given output directory. All "/" characters are replaced with -SLASH-.

Parameters:

vector - The integer array to write out.

word - The name of the file to write values to, with .vector as the extension type.

outputDir - The directory where .vector will be created.

Throws:

IOException