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1 package find;
2
3 import java.io.File  ;
4 import java.util.Collection ;
5 import java.util.Iterator ;
6
7 import org.apache.commons.cli.CommandLine;
8 import org.apache.commons.cli.CommandLineParser;
9 import org.apache.commons.cli.GnuParser;
10 import org.apache.commons.cli.HelpFormatter;
11 import org.apache.commons.cli.Option;
12 import org.apache.commons.cli.OptionBuilder;
13 import org.apache.commons.cli.Options;
14 import org.apache.commons.cli.ParseException;
15
16 public class Main {
17 private static Options getOptions() {
18 Option dir = OptionBuilder.withArgName( "dir" )
19 .hasArg()
20 .withDescription( "list files in given dir" )
21 .create( "dir" );
22 Option name = OptionBuilder.withArgName( "name" )
23 .hasArg()
24 .withDescription( "list files with given name" )
25 .create( "name" );
26 Options options = new Options();
27
28 options.addOption(dir);
29 options.addOption(name);
30
31 return options;
32 }
33
34 public static void main(String [] args) throws Exception {
35 Options options = getOptions();
36 try {
37
38 CommandLineParser parser = new GnuParser();
39
40 CommandLine line = parser.parse( options, args );
41 File dir = new File (line.getOptionValue("dir", "."));
42 String name = line.getOptionValue("name", "jar");
43 Collection files = FindFile.find(dir, name);
44 System.out.println("listing files in "+dir+" containing "+name);
45 for (Iterator it = files.iterator(); it.hasNext(); ) {
46 System.out.println("\t"+it.next()+"\n");
47 }
48 } catch( ParseException exp ) {
49 System.err.println( "Parsing failed. Reason: " + exp.getMessage() );
51
52 HelpFormatter formatter = new HelpFormatter();
53 formatter.printHelp( "find", options );
54 }
55 }
56
57 }
58 |
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