Example usage for org.apache.commons.io FileUtils checksumCRC32

Introduction

In this page you can find the example usage for org.apache.commons.io FileUtils checksumCRC32.

Prototype

public static long checksumCRC32(File file) throws IOException

Source Link

Document

Computes the checksum of a file using the CRC32 checksum routine.

Usage

From source file:se.trixon.mapollage.Operation.java

private void addPhoto(File file) throws ImageProcessingException, IOException {
    mPhotoInfo = new PhotoInfo(file, mProfileSource.isIncludeNullCoordinate());
    try {//  w w w.  ja  v  a 2 s.co  m
        mPhotoInfo.init();
    } catch (ImageProcessingException | IOException e) {
        if (mPhotoInfo.hasExif()) {
            mNumOfExif++;
        }

        throw e;
    }

    boolean hasLocation = false;
    if (mPhotoInfo.hasExif()) {
        mNumOfExif++;
        hasLocation = mPhotoInfo.hasGps() && !mPhotoInfo.isZeroCoordinate();
        if (hasLocation) {
            mNumOfGps++;
        }
    } else {
        throw new ImageProcessingException(String.format("E010 %s", file.getAbsolutePath()));
    }

    Date exifDate = mPhotoInfo.getDate();
    if (hasLocation && mProfilePath.isDrawPath()) {
        mLineNodes.add(new LineNode(exifDate, mPhotoInfo.getLat(), mPhotoInfo.getLon()));
    }

    if (hasLocation || mProfileSource.isIncludeNullCoordinate()) {
        Folder folder = getFolder(file, exifDate);

        String imageId = String.format("%08x", FileUtils.checksumCRC32(file));
        String styleNormalId = String.format("s_%s", imageId);
        String styleHighlightId = String.format("s_%s_hl", imageId);
        String styleMapId = String.format("m_%s", imageId);

        Style normalStyle = mDocument.createAndAddStyle().withId(styleNormalId);

        IconStyle normalIconStyle = normalStyle.createAndSetIconStyle().withScale(1.0);

        Style highlightStyle = mDocument.createAndAddStyle().withBalloonStyle(mBalloonStyle)
                .withId(styleHighlightId);

        IconStyle highlightIconStyle = highlightStyle.createAndSetIconStyle().withScale(1.1);

        if (mProfilePlacemark.isSymbolAsPhoto()) {
            Icon icon = KmlFactory.createIcon()
                    .withHref(String.format("%s/%s.jpg", mThumbsDir.getName(), imageId));
            normalIconStyle.setIcon(icon);
            normalIconStyle.setScale(mProfilePlacemark.getScale());

            double highlightZoom = mProfilePlacemark.getZoom() * mProfilePlacemark.getScale();
            highlightIconStyle.setIcon(icon);
            highlightIconStyle.setScale(highlightZoom);
        }

        if (isUsingThumbnails()) {
            File thumbFile = new File(mThumbsDir, imageId + ".jpg");
            mFileThumbMap.put(file, thumbFile);
            if (Files.isWritable(thumbFile.getParentFile().toPath())) {
                mPhotoInfo.createThumbnail(thumbFile);
            } else {
                mListener.onOperationLog(String.format(mBundle.getString("insufficient_privileges"),
                        mDestinationFile.getAbsolutePath()));
                Thread.currentThread().interrupt();
                return;
            }
        }

        mDocument.createAndAddStyleMap().withId(styleMapId)
                .addToPair(KmlFactory.createPair().withKey(StyleState.NORMAL).withStyleUrl("#" + styleNormalId))
                .addToPair(KmlFactory.createPair().withKey(StyleState.HIGHLIGHT)
                        .withStyleUrl("#" + styleHighlightId));

        Placemark placemark = KmlFactory.createPlacemark()
                .withName(getSafeXmlString(getPlacemarkName(file, exifDate))).withOpen(Boolean.TRUE)
                .withStyleUrl("#" + styleMapId);

        String desc = getPlacemarkDescription(file, mPhotoInfo, exifDate);
        if (!StringUtils.isBlank(desc)) {
            placemark.setDescription(desc);
        }

        placemark.createAndSetPoint().addToCoordinates(mPhotoInfo.getLon(), mPhotoInfo.getLat(), 0F);

        if (mProfilePlacemark.isTimestamp()) {
            TimeStamp timeStamp = KmlFactory.createTimeStamp();
            timeStamp.setWhen(mTimeStampDateFormat.format(exifDate));
            placemark.setTimePrimitive(timeStamp);
        }

        folder.addToFeature(placemark);
        mNumOfPlacemarks++;
    }

    mListener.onOperationLog(file.getAbsolutePath());
}