CCMetric.java

CCMetric

package tasks.metric.cc;

import japa.parser.JavaParser;
import japa.parser.ast.CompilationUnit;

import java.io.InputStream;

import model.SourceCode;
import tasks.metric.ClassInfoVisitor;
import tasks.metric.Metric;

public class CCMetric implements Metric {

    private CCVisitor visitor;
    private ClassInfoVisitor classInfo;

    public String header() {
        return "path;project;class;cc;average cc";
    }

    public Object resultToPersistOf(SourceCode sourceCode) {
        return new CCMetricResultToPersist(sourceCode, cc(), avgCc());
    }

    public void calculate(InputStream is) {
        try {
            CompilationUnit cunit = JavaParser.parse(is);

            classInfo = new ClassInfoVisitor();
            classInfo.visit(cunit, null);

            visitor = new CCVisitor();
            visitor.visit(cunit, null);

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public double avgCc() {
        double avgCc = visitor.getAvgCc();
        if (Double.isNaN(avgCc))
            avgCc = -1.0;
        return avgCc;
    }

    public int cc() {
        return visitor.getCc();
    }

    public int cc(String method) {
        return visitor.getCc(method);
    }

    @Override
    public boolean shouldCalculateMetricOf(String fileName) {
        return fileName.endsWith(".java");
    }
}

gistfile1.java

package tasks;

import java.io.ByteArrayInputStream;
import java.util.List;

import model.Project;
import model.SourceCode;
import model.Task;

import org.apache.log4j.Logger;
import org.hibernate.Session;

import tasks.metric.Metric;
import tasks.runner.RunnableTask;
import br.com.caelum.revolution.domain.Artifact;

public class CalculateMetricTask implements RunnableTask {

    private Task task;
    private Metric metric;
    private Session session;
    private static Logger log = Logger.getLogger(CalculateMetricTask.class);

    public CalculateMetricTask(Task task, Metric metric, Session session) {
        this.task = task;
        this.metric = metric;
        this.session = session;
    }

    @Override
    public void run() {
        Project project = task.getProject();
        List<Artifact> artifacts = project.getArtifacts();
        for (Artifact artifact : artifacts) {
            List<SourceCode> sources = artifact.getSources();
            for (SourceCode sourceCode : sources) {
                if (metric.shouldCalculateMetricOf(sourceCode.getName())) {
                    log.info("Calculating metrics for: " + sourceCode.getName() + " - "
                            + sourceCode.getCommit().getCommitId());
                    try {
                        metric.calculate(new ByteArrayInputStream(sourceCode.getSourceBytesArray()));
                        session.save(metric.resultToPersistOf(sourceCode));
                    } catch (Exception e) {
                        log.error("Unable to calculate CC metric: ", e);
                    }
                }
            }
        }

    }
}

log

10:30:16,412  INFO [CalculateMetricTask ] Calculating metrics for: jdktools/modules/jdktools/src/test/java/org/apache/harmony/tests/tools/javah/Test02.java - 5ce5fd50769a5ddc32bd316839a71dfe0ded9290
10:30:16,559 ERROR [TaskLogger          ] Tasktasks.runner.TaskRunner was failed
org.quartz.JobExecutionException: org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: japa.parser.TokenMgrError: Lexical error at line 23, column 35.  Encountered: "\ufffd" (65533), after : ""] [See nested exception: org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: japa.parser.TokenMgrError: Lexical error at line 23, column 35.  Encountered: "\ufffd" (65533), after : ""]]
        at org.quartz.core.JobRunShell.run(JobRunShell.java:229)
        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:557)
Caused by: org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: japa.parser.TokenMgrError: Lexical error at line 23, column 35.  Encountered: "\ufffd" (65533), after : ""]
        at org.quartz.core.JobRunShell.run(JobRunShell.java:224)
        ... 1 more
Caused by: japa.parser.TokenMgrError: Lexical error at line 23, column 35.  Encountered: "\ufffd" (65533), after : ""
        at japa.parser.ASTParserTokenManager.getNextToken(ASTParserTokenManager.java:2247)
        at japa.parser.ASTParser.jj_scan_token(ASTParser.java:9932)
        at japa.parser.ASTParser.jj_3R_64(ASTParser.java:5411)
        at japa.parser.ASTParser.jj_3_5(ASTParser.java:5562)
        at japa.parser.ASTParser.jj_2_5(ASTParser.java:4853)
        at japa.parser.ASTParser.ClassOrInterfaceBodyDeclaration(ASTParser.java:1027)
        at japa.parser.ASTParser.ClassOrInterfaceBody(ASTParser.java:961)
        at japa.parser.ASTParser.ClassOrInterfaceDeclaration(ASTParser.java:604)
        at japa.parser.ASTParser.TypeDeclaration(ASTParser.java:524)
        at japa.parser.ASTParser.CompilationUnit(ASTParser.java:269)
        at japa.parser.JavaParser.parse(JavaParser.java:81)
        at japa.parser.JavaParser.parse(JavaParser.java:94)
        at tasks.metric.cc.CCMetric.calculate(CCMetric.java:27)
        at tasks.CalculateMetricTask.run(CalculateMetricTask.java:41)
        at tasks.runner.TaskRunner.execute(TaskRunner.java:41)
        at br.com.caelum.vraptor.tasks.jobs.simple.ConcurrentJobWrapper.execute(ConcurrentJobWrapper.java:18)
        at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
        ... 1 more