Java get photo-related properties

Package Test;import Java.io.file;import Java.util.Iterator; Import Com.drew.imaging.jpeg.jpegmetadatareader;import Com.drew.metadata.directory;import Com.drew.metadata.metadata;import Com.drew.metadata.tag;import com.drew.metadata.exif.ExifDirectory; /** * Test EXIF information for reading pictures */public class Exiftester {public     static void Main (string[] args) throws Exception {         File J Pegfile = new File ("e:\\ picture \\2.JPG");         Metadata Metadata = Jpegmetadatareader.readmetadata (jpegfile);         Directory exif = Metadata.getdirectory (exifdirectory.class);         Iterator tags = exif.gettagiterator ();         while (Tags.hasnext ()) {             tag tag = (tag) tags.next ();             SYSTEM.OUT.PRINTLN (tag);}}}     

Jar Package Required: metadata-extractor-2.3.0

run result [Exif] Thumbnail Image Width-2896Pixels[exif] Thumbnail Image Height-1944Pixels[exif] Bits Per Sample-8 8 8 bits/component/Pixel[exif] make-NIKON Corporation[exif] Model-NIKON D200[exif] Orientation-Top, left side (Horizontal/Normal) [Exif] Samples Per Pixel-3 samples/Pixel[exif] X Resolution-300dots per inch[exif] Y Resolution-300dots per inch[exif] Resolution Unit-inch[exif] Software-Adobe Photoshop CC (Windows) [Exif] Date/time-2014:05:04 13:17:26[Exif] YCbCr positioning-Datum Point[exif] Exposure time-1/640Sec[exif] F-number-f4.5[Exif] Exposure Program-Aperture Priority[exif] ISO speed ratings-125[EXIF] EXIF Version-2.21[Exif] Date/time original-2014:05:02 15:00:40[Exif] Date/time digitized-2014:05:02 15:00:40[Exif] Components Configuration-ycbcr[exif] Compressed Bits Per Pixel-4 bits/Pixel[exif] Shutter speed Value-1/639Sec[exif] Aperture Value-F4.5[Exif] Exposure Bias Value-2/3Ev[exif] Max Aperture Value-F4.4[Exif] metering Mode-Center weighted average[exif] light Source-Unknown[exif] Flash-Flash did not fire[exif] Focal Length-70.0Mm[exif] User Comment-Xcb[exif] Sub-sec Time-90[Exif] Sub-sec Time Original-90[Exif] Sub-sec Time Digitized-90[Exif] FlashPix Version-1.00[Exif] Color Space-Srgb[exif] Exif Image Width-1944Pixels[exif] Exif Image Height-1944Pixels[exif] Sensing Method-one-chip color area Sensor[exif] File Source-Digital still Camera (DSC) [Exif] Scene Type-Directly photographed image[exif] CFA Pattern-0 2 0 2 1 0 2 1[Exif] Custom Rendered-Normal process[exif] Exposure Mode-Auto exposure[exif] White Balance-Auto White balance[exif] Digital Zoom Ratio-1[Exif] Focal Length35-1mm[exif] Scene Capture Type-Standard[exif] Gain Control-None[exif] Contrast-None[exif] Saturation-High saturation[exif] sharpness-Hard[exif] Subject Distance Range-Unknown

Get the required data package test;  Import Java.io.file;import java.util.Iterator; Import Com.drew.imaging.jpeg.jpegmetadatareader;import Com.drew.metadata.directory;import  Com.drew.metadata.metadata;import com.drew.metadata.exif.ExifDirectory; /** * Test EXIF information for reading pictures * @author Winter Lau */public class Picexif {public static void main (string[] args) throws Exce         ption {File Jpegfile = new File ("e:\\ picture \\2.JPG");         Metadata Metadata = Jpegmetadatareader.readmetadata (jpegfile);         Directory exif = Metadata.getdirectory (Exifdirectory.class);        Iterator tags = exif.gettagiterator ();        while (Tags.hasnext ()) {//System.out.println (Tags.next ());        Iterator s = exif.gettagiterator ();        while (S.hasnext ()) {//System.out.println (S.next ()); }//} if (Exif.containstag (Exifdirectory.tag_model)) {System.out.println ( "Camera Model:" +exif.getdescription (Exifdirectory.tag_model)); } if (Exif.containstag (exifdirectory.tag_exposure_time)) {System.out.println ("Exposure Time:" +exif.getdescription (Ex           Ifdirectory.tag_exposure_time)); } if (Exif.containstag (exifdirectory.tag_datetime_original)) {System.out.println ("Shooting time:" +exif.getdescriptio           N (exifdirectory.tag_datetime_original)); } if (Exif.containstag (exifdirectory.tag_aperture)) {System.out.println ("Aperture value:" +exif.getdescription (Exifdire Ctory.           Tag_aperture)); } if (Exif.containstag (exifdirectory.tag_focal_length)) {System.out.println ("focal length:" +exif.getdescription (EXIFD Irectory.           Tag_focal_length)); } if (Exif.containstag (exifdirectory.tag_thumbnail_image_height)) {System.out.println ("Picture size:" +exif.getdescr           Iption (exifdirectory.tag_thumbnail_image_height)); }              }}

Running result: Camera model: NIKON D200 Exposure Time: 1/640 sec shooting time: 2014:05:02 15:00:40 aperture value: F4.5 focal length: 70.0 mm picture size: 1944 pixels

Java get photo-related properties