ca.utoronto.JCVSReport.metric
Class RegexMatchCounter

java.lang.Object
  ca.utoronto.JCVSReport.metric.BasicMetric
      ca.utoronto.JCVSReport.metric.RegexMatchCounter

All Implemented Interfaces:

Metric

Direct Known Subclasses:

RegexLineCounter, SyntaxTreeRegexMatchCounter

public class RegexMatchCounter

extends BasicMetric

Metric: Gather one metric from a revision of a file and add it to the Bloof database

Author:

David James, Olga Rodimina

Field Summary

Fields inherited from class ca.utoronto.JCVSReport.metric.BasicMetric

id, insertMetric, props

Constructor Summary

RegexMatchCounter()

Method Summary

int	countMatches(String contents, Pattern regex) Returns number of matches for a specified regular expression
void	init(MetricDatabase database, String id, ResourceBundle props) Initialize Metric from properties file
void	processRevision(String revisionId, String contents) Process the contents of a revision of a file with this metric

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexMatchCounter

public RegexMatchCounter()

Method Detail

init

public void init(MetricDatabase database,
                 String id,
                 ResourceBundle props)
          throws Exception

Initialize Metric from properties file

Specified by:

init in interface Metric

Overrides:

init in class BasicMetric

Parameters:

database - Where to insert the metrics

id - The id number of the metric

props - The properties of this metric as specified in the .properties file

Throws:

Exception

processRevision

public void processRevision(String revisionId,
                            String contents)
                     throws Exception

Process the contents of a revision of a file with this metric

Parameters:

revisionId - A unique ID for this revision of this file

contents - The contents of the file as a string

Throws:

Exception

countMatches

public int countMatches(String contents,
                        Pattern regex)

Returns number of matches for a specified regular expression

Parameters:

contents - The contents of the file as a string

regex - regular expression to match