1 package org.codehaus.mojo.natives.msvc;
2
3 import org.codehaus.mojo.natives.NativeBuildException;
4 import org.codehaus.plexus.util.cli.CommandLineException;
5 import org.codehaus.plexus.util.cli.CommandLineUtils;
6 import org.codehaus.plexus.util.cli.Commandline;
7
8 public class RegQuery
9 {
10 public static String getValue( String valueType, String folderName, String folderKey )
11 throws NativeBuildException
12 {
13 Commandline cl = new Commandline();
14 cl.setExecutable( "reg" );
15 cl.createArg().setValue( "query" );
16 cl.createArg().setValue( folderName );
17 cl.createArg().setValue( "/v" );
18 cl.createArg().setValue( folderKey );
19
20 CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
21 CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
22
23 try
24 {
25 int ok = CommandLineUtils.executeCommandLine( cl, stdout, stderr );
26
27 if ( ok != 0 )
28 {
29 return null;
30 }
31 }
32 catch ( CommandLineException e )
33 {
34 throw new NativeBuildException( e.getMessage(), e );
35 }
36
37 String result = stdout.getOutput();
38
39 int p = result.indexOf( valueType );
40
41 if ( p == -1 )
42 {
43 return null;
44 }
45
46 return result.substring( p + valueType.length() ).trim();
47 }
48 }