de.vibee.releaselister.control.CRCChecker.java Source code

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Here is the source code for de.vibee.releaselister.control.CRCChecker.java

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/*
 * Copyright (C) 2012 vibee clemens@v.de1.cc
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.vibee.releaselister.control;

import java.io.IOException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.io.FileUtils;

import de.vibee.releaselister.model.Release;
import de.vibee.releaselister.model.AudioFileWithChecksum;
import de.vibee.releaselister.view.ActionFrame;
import de.vibee.releaselister.view.ReleaseLister;

/**
 * The CRC Checker scans one release by parsing the sfv file and checking each 
 * mp3 file, which is listet in this sfv. Sets valid status for both release
 * and containing mp3 files. A release is valid if and only if all mp3s
 * exist and are valid.
 * @author vibee
 */
public class CRCChecker extends InterruptableRunnable {

    private ActionFrame actionFrame;
    int counter = 0;
    int countValid = 0;
    int countInvalid = 0;
    List<Release> toCheck;
    long time = 0;
    long timeGone = 0;
    long size = 0;
    ReleaseLister mainWindow;

    public CRCChecker(List<Release> toCheck, ReleaseLister mainWindow) {
        this.mainWindow = mainWindow;
        this.toCheck = toCheck;
    }

    /**
     * Verifies an MP3 Release
     * @param release Release to verify
     */
    public void checkSfv(Release release) {
        if (Thread.currentThread().isInterrupted()) {
            return;
        }
        if (!release.isReleaseComplete()) {
            release.setReleaseIsValid(false);
            return;
        }

        boolean isValid = true;
        for (AudioFileWithChecksum m : release.getAudioFiles()) {
            if (!m.getAudioFileExists()) {
                isValid = false;
            } else {
                try {
                    if (m.getChecksum() == FileUtils.checksumCRC32(m.getAudioFile())) {
                        m.setAudioFileIsValid(true);
                    } else {
                        m.setAudioFileIsValid(false);
                        isValid = false;
                    }

                } catch (IOException ex) {
                    Logger.getLogger(CRCChecker.class.getName()).log(Level.SEVERE, null, ex);
                }
            }

        }

        release.setReleaseIsValid(isValid);

    }

    @Override
    public void run() {

        actionFrame = new ActionFrame(mainWindow);
        actionFrame.setTitle("Verifying Releases...");
        actionFrame.getProgressBar().setIndeterminate(false);
        actionFrame.getProgressBar().setMinimum(0);
        actionFrame.getProgressBar().setMaximum(toCheck.size());
        actionFrame.getProgressBar().setValue(0);
        actionFrame.setVisible(true);
        time = System.currentTimeMillis() - 1;

        for (Release release : toCheck) {
            timeGone = System.currentTimeMillis() - time;
            actionFrame.setStatusLabelText("Veryfied " + counter + " of " + toCheck.size() + " Releases ("
                    + size / timeGone / 1024 + " MB/s)");
            if (this.isInterrupted()) {
                actionFrame.setStatusLabelText("Verify aborted.");
                actionFrame.setOkButtonEnabled(true);
                return;
            }

            checkSfv(release);
            size += release.getSize();
            counter++;
            actionFrame.getProgressBar().setValue(counter);
            if (release.isValid()) {
                countValid++;
            } else {
                countInvalid++;
            }

        }

        actionFrame.setStatusLabelText(countValid + " valid and " + countInvalid + " invalid Releases verfied ("
                + size / timeGone / 1024 + " MB/s).");
        actionFrame.setAbortButtonEnabled(false);
        actionFrame.setOkButtonEnabled(true);

    }

}