1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/**
* Java plug-in for JPEG extractor. This plug-in gateways to the "exif" plug-in two ways.
* Way #1 - from the command line, using the standard DGI interface.
* Way #2 - using the JVM interface.
*/
import java.io.*;
import java.util.regex.*;
import java.lang.Runtime;
class jpeg_extract {
static String processExifOutput(String s){
String[] parts = s.split("\t");
String name = parts[0].replace(" ","-").replace(":","-").replace("(","-").replace(")","-");
String value = "";
if (parts.length > 1){
value = parts[1];
}
return name + ": " + value;
}
/**
* process FN with exif and return a string of name: value\r
*/
static String process(String fn){
StringBuilder sb = new StringBuilder();
try {
ProcessBuilder pb = new ProcessBuilder("exif","-m",fn);
Process p = pb.start();
InputStream is = p.getInputStream(); // "data piped from the standard output stream of the process"
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
while(true){
String s = br.readLine();
if(s==null) break;
sb.append(processExifOutput(s));
sb.append("\n");
}
br.close();
is.close();
} catch (java.io.IOException e){
e.printStackTrace();
}
return sb.toString();
}
public static void main(String[] args){
//System.out.print(process(args[0]));
if (args.length >= 1){
System.out.print(process(args[0]));
}else{
System.out.println("Usage: jpeg_extract filename.***, legal extensions are .jpeg, .jpg");
System.exit(0);
}//end else
}
}
|
