public static Integer readImageOrientation(File imageFile) {
Metadata metadata = null;
try {
metadata = ImageMetadataReader.readMetadata(imageFile);
} catch (Exception e) {
// Any exception here is handled as if image
// format doesn't support EXIF
return null;
}
Directory directory = metadata.getDirectory(ExifIFD0Directory.class);
JpegDirectory jpegDirectory = (JpegDirectory) metadata.getDirectory(JpegDirectory.class);
int orientation = 1;
try {
orientation = directory.getInt(ExifIFD0Directory.TAG_ORIENTATION);
/*int width = jpegDirectory.getImageWidth();
int height = jpegDirectory.getImageHeight();*/
} catch (Exception e) {
Logger.warn("Could not get orientation");
}
return orientation;
}
private void processFile(File file) throws IOException {
String fileEx = FileUtility.getFileExtension(file);
Data data;
if (fileEx.equals(".jpg") || fileEx.equals(".jpeg")) {
Metadata meta = null;
Date[] dates = null;
try {
meta = ImageMetadataReader.readMetadata(file);
dates = PhotoUtility.getData(meta);
} catch (ImageProcessingException e) {
} catch (TagNotFound e) {
} finally {
if (meta != null && dates != null) data = new Data(file, dates[0], ImageType.JPG, false);
else data = new Data(file, new Date(file.lastModified()), ImageType.JPG, true);
}
} else
data =
new Data(
file,
new Date(file.lastModified()),
ImageType.valueOf(fileEx.substring(1).toUpperCase()),
true);
notifyFileCountObservers(CountType.SINGEL, ++count);
notifyImageObservers(data);
}
// ----------------------------------------------------------------------------------------------------
private long _readExifDate(File jpegFile) {
try {
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
ExifSubIFDDirectory dir = metadata.getDirectory(ExifSubIFDDirectory.class);
Date d = dir.getDate(36868);
return d.getTime();
} catch (Exception e) {
return -1;
}
}
// ----------------------------------------------------------------------------------------------------
private String _readExifDateStr(File jpegFile) {
try {
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
ExifSubIFDDirectory dir = metadata.getDirectory(ExifSubIFDDirectory.class);
Date d = dir.getDate(36868);
return m_sdf.format(d);
} catch (Exception e) {
return "_0000-00-00_";
}
}
/**
* 将一个文件转化为 PicMetaInfo 对象
*
* @param file
* @return
*/
public PicMetaInfo toPicMetaInfo(File file) {
PicMetaInfo picMetaInfo = null;
try {
Metadata metadata = ImageMetadataReader.readMetadata(file);
picMetaInfo = picInfoReader.toPicMetaInfo(metadata, file);
return picMetaInfo;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
private void scanPictures(String filePath, boolean shared) {
File file = new File(filePath);
ContentValues values = new ContentValues();
String mime = "image/" + FilenameUtils.getExtension(filePath);
fillCommonValues(values, Constants.FILE_TYPE_PICTURES, filePath, file, mime, shared);
try {
Metadata metadata = ImageMetadataReader.readMetadata(file);
ExifIFD0Directory dir = metadata.getDirectory(ExifIFD0Directory.class);
ExifIFD0Descriptor desc = new ExifIFD0Descriptor(dir);
String title = desc.getWindowsTitleDescription();
if (StringUtils.isNullOrEmpty(title, true)) {
title = FilenameUtils.getBaseName(file.getName());
}
String artist = desc.getWindowsAuthorDescription();
if (StringUtils.isNullOrEmpty(artist, true)) {
artist = dir.getString(ExifIFD0Directory.TAG_ARTIST, "UTF-8");
}
if (StringUtils.isNullOrEmpty(artist, true)) {
artist = "";
}
String album = "";
String year = dir.getString(ExifIFD0Directory.TAG_DATETIME);
if (StringUtils.isNullOrEmpty(year, true)) {
year = "";
}
values.put(Columns.TITLE, title);
values.put(Columns.ARTIST, artist);
values.put(Columns.ALBUM, album);
values.put(Columns.YEAR, year);
} catch (Throwable e) {
String displayName = FilenameUtils.getBaseName(file.getName());
values.put(Columns.TITLE, displayName);
values.put(Columns.ARTIST, "");
values.put(Columns.ALBUM, "");
values.put(Columns.YEAR, "");
}
ShareFilesDB db = ShareFilesDB.intance();
db.insert(values);
}
/**
* Tries to read the EXIF orientation data in the image in the {@link InputStream}. Returns <code>
* null</code> if not found or if an error occurs.
*/
@Nullable
public static ImageOrientation getOrientation(@Nullable final InputStream inputStream) {
if (inputStream != null) {
try {
return getOrientation(
ImageMetadataReader.readMetadata(new BufferedInputStream(inputStream), true));
} catch (Exception e) {
LOG.info(
"ImageOrientation.getOrientation(): Exception while trying to read the orientation data from the EXIF. Ignoring and just returning null"
+ e);
}
}
return null;
}
/**
* 打印出单个图片的元信息
*
* @throws Exception
*/
private void printAllMetaInfos() throws Exception {
String filePath = "E:\\360_sync\\Sync\\Photos\\wallpaper\\DSC07775.JPG";
Metadata metadata = ImageMetadataReader.readMetadata(new File(filePath));
for (Directory directory : metadata.getDirectories()) {
for (Tag tag : directory.getTags()) {
System.out.format(
"[%s] - %s = %s\n", directory.getName(), tag.getTagName(), tag.getDescription());
}
if (directory.hasErrors()) {
for (String error : directory.getErrors()) {
System.err.format("ERROR: %s", error);
}
}
}
PicMetaInfo info = toPicMetaInfo(new File(filePath));
System.out.println(info);
}
protected final Media buildMedia(final MediaUploadBatch context)
throws MediaReaderException, IOException {
final String fileName = getFile().getAbsolutePath();
try {
final Metadata rawMetadata = ImageMetadataReader.readMetadata(getFile());
final ExifThumbnailDirectory thumbnailDirectory =
rawMetadata.getDirectory(ExifThumbnailDirectory.class);
final byte[] thumbnail;
if (thumbnailDirectory != null && thumbnailDirectory.hasThumbnailData()) {
thumbnail = thumbnailDirectory.getThumbnailData();
} else {
thumbnail = new byte[0];
}
final Map<String, Object> metadata = new HashMap<>(rawMetadata.getDirectoryCount());
for (final Directory directory : rawMetadata.getDirectories()) {
copy(directory, metadata);
preProcess(context, directory, metadata);
}
return new Media(getFile(), fileName, context.getTemplate(), metadata, thumbnail);
} catch (final ImageProcessingException e) {
throw new MediaReaderException(e);
}
}
/**
* @param filename
* @return
*/
private HashMap<String, String> extractExifDatas(String filename) {
HashMap<String, String> datas = new HashMap<String, String>();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy_MM_dd_HH'h'mm.ss");
try {
File jpegFile = new File(filename);
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
// reading exif
ExifSubIFDDirectory directory = metadata.getDirectory(ExifSubIFDDirectory.class);
if (directory != null) {
Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
if (date != null) {
datas.put("date", formatter.format(date));
}
}
} catch (JpegProcessingException e) {
System.err.println("Problem during datas extraction : " + e.getMessage());
} catch (IOException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
} catch (ImageProcessingException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
}
return datas;
}
/**
* 保持上传照片的图片方向不发生调整
*
* @param filePath 图片的文件路径
*/
public static void MaintainOrientation(String filePath) {
try {
File file = new File(filePath);
if (!file.exists()) {
logger.fatal(new FileNotFoundException());
return;
}
Metadata metadata = ImageMetadataReader.readMetadata(file);
Directory directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
int orientation = 0;
if (null != directory && directory.containsTag(ExifSubIFDDirectory.TAG_ORIENTATION)) {
orientation = directory.getInt(ExifSubIFDDirectory.TAG_ORIENTATION);
logger.debug(filePath + " 's orientation is :" + orientation);
}
String format = FileUtil.getFileSuffix(filePath);
switch (orientation) {
// case 1:
// return "Top, left side (Horizontal / normal)";
// case 2:
// return "Top, right side (Mirror horizontal)";
case 3:
// return "Bottom, right side (Rotate 180)";
BufferedImage old_img3 = (BufferedImage) ImageIO.read(file);
int w3 = old_img3.getWidth();
int h3 = old_img3.getHeight();
BufferedImage new_img3 = new BufferedImage(w3, h3, BufferedImage.TYPE_INT_BGR);
Graphics2D g2d3 = new_img3.createGraphics();
AffineTransform origXform3 = g2d3.getTransform();
AffineTransform newXform3 = (AffineTransform) (origXform3.clone());
// center of rotation is center of the panel
// double xRot3 = w3/2.0;
newXform3.rotate(Math.toRadians(180.0), w3 / 2.0, h3 / 2.0); // 旋转180度
g2d3.setTransform(newXform3);
// draw image centered in panel
g2d3.drawImage(old_img3, 0, 0, null);
// Reset to Original
g2d3.setTransform(origXform3);
// 写到新的文件
FileOutputStream out3 = new FileOutputStream(file);
try {
ImageIO.write(new_img3, format, out3);
} finally {
out3.close();
}
break;
// case 4:
// return "Bottom, left side (Mirror vertical)";
// case 5:
// return "Left side, top (Mirror horizontal and rotate 270
// CW)";
case 6:
// return "Right side, top (Rotate 90 CW)";
BufferedImage old_img6 = (BufferedImage) ImageIO.read(file);
int w6 = old_img6.getWidth();
int h6 = old_img6.getHeight();
BufferedImage new_img6 = new BufferedImage(h6, w6, BufferedImage.TYPE_INT_BGR);
Graphics2D g2d6 = new_img6.createGraphics();
AffineTransform origXform6 = g2d6.getTransform();
AffineTransform newXform6 = (AffineTransform) (origXform6.clone());
// center of rotation is center of the panel
double xRot6 = h6 / 2.0;
newXform6.rotate(Math.toRadians(90.0), xRot6, xRot6); // 旋转90度
g2d6.setTransform(newXform6);
// draw image centered in panel
g2d6.drawImage(old_img6, 0, 0, null);
// Reset to Original
g2d6.setTransform(origXform6);
// 写到新的文件
FileOutputStream out6 = new FileOutputStream(file);
try {
ImageIO.write(new_img6, format, out6);
} finally {
out6.close();
}
break;
// case 7:
// return "Right side, bottom (Mirror horizontal and rotate 90
// CW)";
case 8:
// return "Left side, bottom (Rotate 270 CW)";
BufferedImage old_img8 = (BufferedImage) ImageIO.read(file);
int w8 = old_img8.getWidth();
int h8 = old_img8.getHeight();
BufferedImage new_img8 = new BufferedImage(h8, w8, BufferedImage.TYPE_INT_BGR);
Graphics2D g2d8 = new_img8.createGraphics();
AffineTransform origXform8 = g2d8.getTransform();
AffineTransform newXform8 = (AffineTransform) (origXform8.clone());
// center of rotation is center of the panel
double xRot8 = w8 / 2.0;
newXform8.rotate(Math.toRadians(270.0), xRot8, xRot8); // 旋转90度
g2d8.setTransform(newXform8);
// draw image centered in panel
g2d8.drawImage(old_img8, 0, 0, null);
// Reset to Original
g2d8.setTransform(origXform8);
// 写到新的文件
FileOutputStream out8 = new FileOutputStream(file);
try {
ImageIO.write(new_img8, format, out8);
} finally {
out8.close();
}
break;
// default:
// return String.valueOf(orientation);
}
} catch (Exception e) {
e.printStackTrace();
logger.fatal(e);
}
}
/**
* Executes the sample usage program.
*
* @param args command line parameters
*/
public static void main(String[] args) {
File file = new File("Tests/Data/withIptcExifGps.jpg");
// There are multiple ways to get a Metadata object for a file
//
// SCENARIO 1: UNKNOWN FILE TYPE
//
// This is the most generic approach. It will transparently determine the file type and invoke
// the appropriate
// readers. In most cases, this is the most appropriate usage. This will handle JPEG, TIFF,
// GIF, BMP and RAW
// (CRW/CR2/NEF/RW2/ORF) files and extract whatever metadata is available and understood.
//
try {
Metadata metadata = ImageMetadataReader.readMetadata(file);
print(metadata);
} catch (ImageProcessingException e) {
// handle exception
} catch (IOException e) {
// handle exception
}
//
// SCENARIO 2: SPECIFIC FILE TYPE
//
// If you know the file to be a JPEG, you may invoke the JpegMetadataReader, rather than the
// generic reader
// used in approach 1. Similarly, if you knew the file to be a TIFF/RAW image you might use
// TiffMetadataReader,
// PngMetadataReader for PNG files, BmpMetadataReader for BMP files, or GifMetadataReader for
// GIF files.
//
// Using the specific reader offers a very, very slight performance improvement.
//
try {
Metadata metadata = JpegMetadataReader.readMetadata(file);
print(metadata);
} catch (JpegProcessingException e) {
// handle exception
} catch (IOException e) {
// handle exception
}
//
// APPROACH 3: SPECIFIC METADATA TYPE
//
// If you only wish to read a subset of the supported metadata types, you can do this by
// passing the set of readers to use.
//
// This currently only applies to JPEG file processing.
//
try {
// We are only interested in handling
Iterable<JpegSegmentMetadataReader> readers =
Arrays.asList(new ExifReader(), new IptcReader());
Metadata metadata = JpegMetadataReader.readMetadata(file, readers);
print(metadata);
} catch (JpegProcessingException e) {
// handle exception
} catch (IOException e) {
// handle exception
}
}
/**
* Reads filename and store in private variables
*
* @param filename
* @throws ImageProcessingException
* @throws IOException
*/
public void readImageFile(String filename) throws ImageProcessingException, IOException {
File jpegFile = new File(filename);
this.metadata = ImageMetadataReader.readMetadata(jpegFile);
this.directory = (ExifSubIFDDirectory) metadata.getDirectory(ExifSubIFDDirectory.class);
}
/**
* Constructor call with a parameter needed
*
* @param jpegFile
* @throws ImageProcessingException
* @throws IOException
*/
public EXIFMetadataExtractor(File jpegFile) throws ImageProcessingException, IOException {
this.metadata = ImageMetadataReader.readMetadata(jpegFile);
this.directory = (ExifSubIFDDirectory) metadata.getDirectory(ExifSubIFDDirectory.class);
}
/**
* An application entry point. Takes the name of one or more files as arguments and prints the
* contents of all metadata directories to <code>System.out</code>.
*
* <p>If <code>-thumb</code> is passed, then any thumbnail data will be written to a file with
* name of the input file having <code>.thumb.jpg</code> appended.
*
* <p>If <code>-markdown</code> is passed, then output will be in markdown format.
*
* <p>If <code>-hex</code> is passed, then the ID of each tag will be displayed in hexadecimal.
*
* @param args the command line arguments
*/
public static void main(@NotNull String[] args) throws MetadataException, IOException {
Collection<String> argList = new ArrayList<String>(Arrays.asList(args));
boolean thumbRequested = argList.remove("-thumb");
boolean markdownFormat = argList.remove("-markdown");
boolean showHex = argList.remove("-hex");
if (argList.size() < 1) {
String version = ImageMetadataReader.class.getPackage().getImplementationVersion();
System.out.println("metadata-extractor version " + version);
System.out.println();
System.out.println(
String.format(
"Usage: java -jar metadata-extractor-%s.jar <filename> [<filename>] [-thumb] [-markdown] [-hex]",
version == null ? "a.b.c" : version));
System.exit(1);
}
for (String filePath : argList) {
long startTime = System.nanoTime();
File file = new File(filePath);
if (!markdownFormat && argList.size() > 1)
System.out.printf("\n***** PROCESSING: %s\n%n", filePath);
Metadata metadata = null;
try {
metadata = ImageMetadataReader.readMetadata(file);
} catch (Exception e) {
e.printStackTrace(System.err);
System.exit(1);
}
long took = System.nanoTime() - startTime;
if (!markdownFormat)
System.out.printf(
"Processed %.3f MB file in %.2f ms%n%n",
file.length() / (1024d * 1024), took / 1000000d);
if (markdownFormat) {
String fileName = file.getName();
String urlName = StringUtil.urlEncode(filePath);
ExifIFD0Directory exifIFD0Directory =
metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
String make =
exifIFD0Directory == null
? ""
: exifIFD0Directory.getString(ExifIFD0Directory.TAG_MAKE);
String model =
exifIFD0Directory == null
? ""
: exifIFD0Directory.getString(ExifIFD0Directory.TAG_MODEL);
System.out.println();
System.out.println("---");
System.out.println();
System.out.printf("# %s - %s%n", make, model);
System.out.println();
System.out.printf(
"<a href=\"https://raw.githubusercontent.com/drewnoakes/metadata-extractor-images/master/%s\">%n",
urlName);
System.out.printf(
"<img src=\"https://raw.githubusercontent.com/drewnoakes/metadata-extractor-images/master/%s\" width=\"300\"/><br/>%n",
urlName);
System.out.println(fileName);
System.out.println("</a>");
System.out.println();
System.out.println("Directory | Tag Id | Tag Name | Extracted Value");
System.out.println(":--------:|-------:|----------|----------------");
}
// iterate over the metadata and print to System.out
for (Directory directory : metadata.getDirectories()) {
String directoryName = directory.getName();
for (Tag tag : directory.getTags()) {
String tagName = tag.getTagName();
String description = tag.getDescription();
// truncate the description if it's too long
if (description != null && description.length() > 1024) {
description = description.substring(0, 1024) + "...";
}
if (markdownFormat) {
System.out.printf(
"%s|0x%s|%s|%s%n",
directoryName, Integer.toHexString(tag.getTagType()), tagName, description);
} else {
// simple formatting
if (showHex) {
System.out.printf(
"[%s - %s] %s = %s%n", directoryName, tag.getTagTypeHex(), tagName, description);
} else {
System.out.printf("[%s] %s = %s%n", directoryName, tagName, description);
}
}
}
// print out any errors
for (String error : directory.getErrors()) System.err.println("ERROR: " + error);
}
if (args.length > 1 && thumbRequested) {
ExifThumbnailDirectory directory =
metadata.getFirstDirectoryOfType(ExifThumbnailDirectory.class);
if (directory != null && directory.hasThumbnailData()) {
System.out.println("Writing thumbnail...");
directory.writeThumbnail(args[0].trim() + ".thumb.jpg");
} else {
System.out.println("No thumbnail data exists in this image");
}
}
}
}