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1 package sizewhere;
2
3 import java.io.File  ;
4
5 import org.apache.commons.cli.CommandLine;
6 import org.apache.commons.cli.CommandLineParser;
7 import org.apache.commons.cli.GnuParser;
8 import org.apache.commons.cli.HelpFormatter;
9 import org.apache.commons.cli.Option;
10 import org.apache.commons.cli.OptionBuilder;
11 import org.apache.commons.cli.Options;
12 import org.apache.commons.cli.ParseException;
13
14 public class Main {
15 private static Options getOptions() {
16 Option dir = OptionBuilder.withArgName( "dir" )
17 .hasArg()
18 .withDescription( "give total size of files in given dir" )
19 .create( "dir" );
20 Option name = OptionBuilder.withArgName( "name" )
21 .hasArg()
22 .withDescription( "give total size of files with given name" )
23 .create( "name" );
24 Options options = new Options();
25
26 options.addOption(dir);
27 options.addOption(name);
28
29 return options;
30 }
31
32 public static void main(String [] args) throws Exception {
33 Options options = getOptions();
34 try {
35
36 CommandLineParser parser = new GnuParser();
37
38 CommandLine line = parser.parse( options, args );
39 File dir = new File (line.getOptionValue("dir", "."));
40 String name = line.getOptionValue("name", "jar");
41 System.out.println("total size of files in "+dir+" containing "+name+": "+SizeWhere.totalSize(dir, name));
42 } catch( ParseException exp ) {
43 System.err.println( "Parsing failed. Reason: " + exp.getMessage() );
45
46 HelpFormatter formatter = new HelpFormatter();
47 formatter.printHelp( "sizewhere", options );
48 }
49 }
50
51 }
52 |
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