java112.analyzer

Class KeywordAnalyzer

java.lang.Object

java112.analyzer.KeywordAnalyzer

All Implemented Interfaces:

Analyzer

public class KeywordAnalyzer
extends java.lang.Object
implements Analyzer

Processes individual text tokens. Compares tokens to list of keywords Records the position in the token sequence of occurances of keywords. Writes a report of positions for each keyword.

Author:

Brian Manning

Constructor Summary

Constructors

Constructor and Description
KeywordAnalyzer() Instantiates a TreeMap object as tokenCounts on creation.
KeywordAnalyzer(java.util.Properties properties) Constructor for KeywordAnalyzer analyzer.

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.util.List<java.lang.Integer>>	getKeywordMap() Accessor for the keywordMap instance variable.
java.lang.String	getOutputFilePath() Retrieves values from properties for path to output file.
void	processToken(java.lang.String token) Processes a single token.
void	writeOutputFile(java.lang.String inputFilePath) Writes a text file listing each keyword and a list of the positions in which it occurs.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeywordAnalyzer

public KeywordAnalyzer()

Instantiates a TreeMap object as tokenCounts on creation.

KeywordAnalyzer

public KeywordAnalyzer(java.util.Properties properties)

Constructor for KeywordAnalyzer analyzer.

Parameters:

properties - Properties - Properties file values for this analyzer.

Method Detail

getKeywordMap

public java.util.Map<java.lang.String,java.util.List<java.lang.Integer>> getKeywordMap()

Accessor for the keywordMap instance variable.

Returns:

keywordMap Map. A map of all keyword tokens paired with a list of positions.

processToken

public void processToken(java.lang.String token)

Processes a single token. Tests for presence in map, adds current position to list 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 keyword and a list of the positions in which it occurs.

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.