MetricsExtractAction.java

/*
 *  Copyright (c) 2001-2024, Jean Tessier
 *  All rights reserved.
 *  
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  
 *      * Redistributions of source code must retain the above copyright
 *        notice, this list of conditions and the following disclaimer.
 *  
 *      * Redistributions in binary form must reproduce the above copyright
 *        notice, this list of conditions and the following disclaimer in the
 *        documentation and/or other materials provided with the distribution.
 *  
 *      * Neither the name of Jean Tessier nor the names of his contributors
 *        may be used to endorse or promote products derived from this software
 *        without specific prior written permission.
 *  
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.jeantessier.dependencyfinder.gui;

import com.jeantessier.classreader.AggregatingClassfileLoader;
import com.jeantessier.classreader.ClassfileLoader;
import com.jeantessier.classreader.ClassfileScanner;
import com.jeantessier.classreader.LoadListenerVisitorAdapter;
import com.jeantessier.classreader.TransientClassfileLoader;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Collection;
import java.util.Date;
import java.util.LinkedList;

public class MetricsExtractAction extends AbstractAction implements Runnable {
    private final OOMetrics model;
    private Collection<String> filenames;

    public MetricsExtractAction(OOMetrics model) {
        this.model = model;

        putValue(Action.LONG_DESCRIPTION, "Extract metrics from compiled classes");
        putValue(Action.NAME, "Extract");
        putValue(Action.SMALL_ICON, new ImageIcon(getClass().getResource("icons/extract.gif")));
    }

    public void actionPerformed(ActionEvent e) {
        JFileChooser chooser = new JFileChooser(model.getInputFile());
        chooser.addChoosableFileFilter(new JavaBytecodeFileFilter());
        chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
        chooser.setMultiSelectionEnabled(true);
        int returnValue = chooser.showDialog(model, "Extract");
        if (returnValue == JFileChooser.APPROVE_OPTION) {
            File[] selectedFiles = chooser.getSelectedFiles();
            filenames = new LinkedList<>();
            for (File file : selectedFiles) {
                filenames.add(file.toString());
            }
            model.setInputFile(selectedFiles[0]);
            new Thread(this).start();
        }
    }

    public void run() {
        Date start = new Date();

        model.getStatusLine().showInfo("Scanning ...");
        ClassfileScanner scanner = new ClassfileScanner();
        scanner.load(filenames);

        model.getProgressBar().setMaximum(scanner.getNbFiles() + scanner.getNbClasses());

        MetricsVerboseListener verboseListener = new MetricsVerboseListener(model.getStatusLine(), model.getProgressBar());

        com.jeantessier.metrics.MetricsGatherer gatherer = new com.jeantessier.metrics.MetricsGatherer(model.getMetricsFactory());
        gatherer.addMetricsListener(verboseListener);

        if (model.isEnableCrossClassMeasurements()) {
            ClassfileLoader loader = new AggregatingClassfileLoader();
            loader.addLoadListener(verboseListener);
            loader.load(filenames);

            gatherer.visitClassfiles(loader.getAllClassfiles());
        } else {
            ClassfileLoader loader = new TransientClassfileLoader();
            loader.addLoadListener(verboseListener);
            loader.addLoadListener(new LoadListenerVisitorAdapter(gatherer));

            loader.load(filenames);
        }

        model.getProgressBar().setIndeterminate(true);

        model.getStatusLine().showInfo("Generating method results ...");
        model.getMethodsModel().setMetrics(model.getMetricsFactory().getMethodMetrics());

        model.getStatusLine().showInfo("Generating class results ...");
        model.getClassesModel().setMetrics(model.getMetricsFactory().getClassMetrics());

        model.getStatusLine().showInfo("Generating group results ...");
        model.getGroupsModel().setMetrics(model.getMetricsFactory().getGroupMetrics());

        model.getStatusLine().showInfo("Generating project results ...");
        StringWriter out = new StringWriter();
        com.jeantessier.metrics.Printer printer = new com.jeantessier.metrics.TextPrinter(new PrintWriter(out), model.getMetricsFactory().getConfiguration().getProjectMeasurements());
        printer.visitMetrics(model.getMetricsFactory().getProjectMetrics());
        model.getProjectArea().setText(out.toString());

        Date stop = new Date();

        model.getStatusLine().showInfo("Done (" + ((stop.getTime() - start.getTime()) / (double) 1000) + " secs).");
        model.getProgressBar().setIndeterminate(false);
        model.setTitle("OO Metrics - Extractor");
    }
}