java112.analyzer

Class TokenSizeAnalyzer

java.lang.Object

java112.analyzer.TokenSizeAnalyzer

All Implemented Interfaces:

Analyzer

public class TokenSizeAnalyzer
extends java.lang.Object
implements Analyzer

Processes individual text tokens and tallies the number of tokens for each distinct token length. Writes a report listing each token length followed by the number of occurances. Draws a simple text histogram of length frequency in horizontal and vertical orientations.

Author:

Brian Manning

Constructor Summary

Constructors

Constructor and Description
TokenSizeAnalyzer() Constructor for TokenSizeAnalyzer.
TokenSizeAnalyzer(java.util.Properties properties) Constructor for TokenSizeAnalyzer.

Method Summary

Methods

Modifier and Type	Method and Description
int	getMaximumSize() Accessor for the maximumSize instance variable.
java.lang.String	getOutputFilePath() Retrieves values from properties for path to output file.
java.util.Map<java.lang.Integer,java.lang.Integer>	getTokenSizes() Accessor for the tokenSizes instance variable.
void	processToken(java.lang.String token) Processes a single token.
void	writeOutputFile(java.lang.String inputFilePath) Writes a text file listing each length, quantity pair on a new line.

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenSizeAnalyzer

public TokenSizeAnalyzer()

Constructor for TokenSizeAnalyzer. Instantiates the tokenSizes Map as TreeMap.

TokenSizeAnalyzer

public TokenSizeAnalyzer(java.util.Properties properties)

Constructor for TokenSizeAnalyzer.

Parameters:

properties - Properties - Properties file values for this analyzer.

Method Detail

getTokenSizes

public java.util.Map<java.lang.Integer,java.lang.Integer> getTokenSizes()

Accessor for the tokenSizes instance variable.

Returns:

tokenSizes Map. Map of all token sizes and number of occurances.

getMaximumSize

public int getMaximumSize()

Accessor for the maximumSize instance variable.

Returns:

maximumSize int. The size of the largest token.

processToken

public void processToken(java.lang.String token)

Processes a single token. Tests for presence of token size in map, adds if not present, increments if present.

Specified by:

processToken in interface Analyzer

Parameters:

token - String - a single text token.

writeOutputFile

public void writeOutputFile(java.lang.String inputFilePath)

Writes a text file listing each length, quantity pair on a new line.

Specified by:

writeOutputFile in interface Analyzer

Parameters:

inputFilePath - String - Path of the file being analyzed.

getOutputFilePath

public java.lang.String getOutputFilePath()

Retrieves values from properties for path to output file.

Returns:

outputFilePath String - Path of the output file.