package com.artozi.util.image; 
import java.io.*; 

import java.sql.*; 

import java.util.*; 
import com.drew.imaging.jpeg.*; 

import com.drew.metadata.*; 

import com.drew.metadata.exif.ExifDirectory; 
public class ExifInfoWrapper { 

private Directory exifDirectory = null; 

private static ExifInfoWrapper eiw = null; 

public static ExifInfoWrapper getInstance(String filename){ 

if (eiw == null) { 

eiw = new ExifInfoWrapper(filename); 

} 

return eiw; 

} 
public ExifInfoWrapper(String filename){ 

File jpegFile = new File(filename); 

try { 

Metadata metadata = JpegMetadataReader.readMetadata(jpegFile); 
//读取jpeg源数据信息 

exifDirectory = metadata.getDirectory(ExifDirectory.class); 
//读取jpeg中exif目录 

} catch (JpegProcessingException je) { 

System.out.println(je); 

} catch (Exception ex) { 

System.out.println(ex); 

} 

} 
public String getPhotoCreatTime() { 

String time = null; 

try { 

if(exifDirectory.containsTag(ExifDirectory.TAG_DATETIME_ORIGINAL)){ 

java.util.Date d = exifDirectory.getDate(ExifDirectory. 

TAG_DATETIME_ORIGINAL); //将exif中的日期信息读出 

Timestamp ts = new Timestamp(d.getTime()); 

time = ts.toString(); 

}else{ 

time = ""; 

} 

} catch (MetadataException ex) { 

System.out.println(ex); 

time = ""; 

} catch(Exception e){ 

System.out.println(e); 

time = ""; 

}finally{ 

return time; 

} 

} 
public String showCrameBrand(){ 

String brand = null; 

try { 

if(exifDirectory.containsTag(ExifDirectory.TAG_MODEL)){ 

brand = exifDirectory.getString(ExifDirectory. 

TAG_MODEL); //将exif中的日期信息读出             



}else{ 

brand = ""; 

} 

} catch(Exception e){ 

System.out.println(e); 

}finally{ 

return brand; 

} 
} 



public static void main(String[] args) { 

ExifInfoWrapper e = ExifInfoWrapper.getInstance("path"); 

System.out.println(e.getPhotoCreatTime()); 

System.out.println(e.showCrameBrand()); 

} 
}