读取照片部分元信息

读取照片部分元信息

import com.drew.imaging.ImageMetadataReader;
import com.drew.metadata.Directory;
import com.drew.metadata.Metadata;
import com.drew.metadata.Tag;
import java.io.File;


/**
 * Created by yzr on 2018/5/28.
 */
public class ImageExtract {

    public static class ImageMeta {
        String latitude;
        String longitude;
        String date;
        String path;
    }

    public static ImageMeta getMetaData(String path) {
        try {
            File file = new File(path);
            Metadata metadata = ImageMetadataReader.readMetadata(file);
            int cnt = 0;
            ImageMeta imageMeta = new ImageMeta();
            imageMeta.path = path;
            for (Directory directory : metadata.getDirectories()) {
                if (cnt >= 3) {
                    break;
                }
                for (Tag tag : directory.getTags()) {
                    if (cnt >= 3) {
                        break;
                    }
                    String key = tag.getTagName();
                    String v = tag.getDescription();
                    if ("GPS Latitude".equals(key)) {
                        imageMeta.latitude = v;
                        cnt++;
                    }
                    if ("Date/Time".equals(key)) {
                        imageMeta.date = v;
                        cnt++;
                    }
                    if ("GPS Longitude".equals(key)) {
                        imageMeta.longitude = v;
                        cnt++;
                    }
                }
            }
            return imageMeta;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) throws Exception {
        System.out.println(getMetaData("/Users/yzr/Desktop/4b897bf65fad05f5.jpg").latitude);
    }

}

依赖库

 <dependency>
     <groupId>com.drewnoakes</groupId>
     <artifactId>metadata-extractor</artifactId>
     <version>2.11.0</version>
 </dependency>