SlicDiagnostics/src/org/lcsim/slic/diagnostics
diff -u -r1.1 -r1.2
--- CommandLineProcessor.java 17 Feb 2006 01:26:34 -0000 1.1
+++ CommandLineProcessor.java 17 Feb 2006 22:24:25 -0000 1.2
@@ -17,34 +17,36 @@
import org.apache.commons.cli.PosixParser;
/**
- * CommandLineProcessor parses command line options and arguments specific to SlicDiagnostics.
- * The resulting parameters are passed to the Runner class in Main.
+ * CommandLineProcessor parses command line options and arguments specific to
+ * SlicDiagnostics. The resulting parameters are passed to the Runner class in
+ * Main.
*
* @author Jeremy McCormick
- * @version $Id: CommandLineProcessor.java,v 1.1 2006/02/17 01:26:34 jeremy Exp $
+ * @version $Id: CommandLineProcessor.java,v 1.2 2006/02/17 22:24:25 jeremy Exp $
*/
public class CommandLineProcessor
{
private Options _options = new Options();
private CommandLineParser _parser = new PosixParser();
-
+
private List<File> _infiles = new ArrayList<File>();
private File _outfile = null;
private int _maxevents = -1;
private int _verbosity = 1;
-
+
/** Create a CommandLineProcessor where parse() will be called later. */
public CommandLineProcessor()
- {
+ {
defineOptions();
- }
-
+ }
+
/** Create a CommandLineProcessor and call parse on input args. */
public CommandLineProcessor(String args[])
- {
+ {
defineOptions();
-
- try {
+
+ try
+ {
parse(args);
}
catch (ParseException pe)
@@ -52,45 +54,44 @@
throw new RuntimeException("Problem parsing args", pe);
}
}
-
+
/** Define the command-line options for SlicDiagnostics. */
private void defineOptions()
{
- Option opt = new Option("f",false,"file containing list of files to process");
- opt.setArgs(1);
- _options.addOption(opt);
-
- opt = new Option("i",false,"input files or patterns");
- _options.addOption(opt);
-
- opt = new Option("n",false,"max events to process");
- _options.addOption(opt);
-
- opt = new Option("o",false,"output file name");
- opt.setArgs(1);
- _options.addOption(opt);
-
- opt = new Option("h", false,"print usage");
- _options.addOption(opt);
-
- opt = new Option("v",false,"set verbosity"); opt.setArgs(1);
- _options.addOption(opt);
+ Option opt = new Option("f", false, "file containing list of files to process");
+ opt.setArgs(1);
+ _options.addOption(opt);
+
+ opt = new Option("i", false, "input files or patterns");
+ _options.addOption(opt);
+
+ opt = new Option("n", false, "max events to process");
+ _options.addOption(opt);
+
+ opt = new Option("o", false, "output file name");
+ opt.setArgs(1);
+ _options.addOption(opt);
+
+ opt = new Option("h", false, "print usage");
+ _options.addOption(opt);
+
+ opt = new Option("v", false, "set verbosity");
+ opt.setArgs(1);
+ _options.addOption(opt);
}
-
+
/** Parse command-line options. */
public void parse(String args[]) throws ParseException
{
CommandLine cl = _parser.parse(_options, args);
-
+
if (cl.hasOption("h") || args.length == 0)
{
- HelpFormatter help = new HelpFormatter();
- help.printHelp("SlicDiagnostics", _options);
- System.exit(0);
+ printUsage(true);
}
-
+
if (cl.hasOption("f") || args.length == 1)
- {
+ {
String infileList = null;
if (cl.hasOption("f"))
{
@@ -101,75 +102,90 @@
infileList = args[0];
}
readInputFileList(infileList);
- }
-
+ }
+
if (cl.hasOption("i"))
- {
- String vals[] = cl.getOptionValues("i");
+ {
+ String vals[] = cl.getOptionValues("i");
for (String f : vals)
- {
+ {
_infiles.add(new File(f));
}
}
-
+
if (cl.hasOption("n"))
{
_maxevents = Integer.parseInt(cl.getOptionValue("n"));
}
-
+
if (cl.hasOption("v"))
{
_verbosity = Integer.parseInt(cl.getOptionValue("v"));
- }
-
+ }
+
if (_infiles.size() == 0)
{
- throw new RuntimeException("Didn't find any input files to process.");
+ printUsage(true);
}
-
+
if (cl.hasOption("o"))
{
_outfile = new File(cl.getOptionValue("o"));
- }
- else {
- String outfile = _infiles.get(0).toString().replace(".slcio","");
+ }
+ else
+ {
+ String outfile = _infiles.get(0).toString().replace(".slcio", "");
_outfile = new File(outfile);
- }
+ }
}
-
+
/** Get the list of input files created by parse(). */
public List<File> getInputFileList()
{
return _infiles;
}
-
+
/** Get the output file name. */
public File getOutputFile()
{
return _outfile;
}
-
+
/** Get the verbosity. */
public int verbosity()
{
return _verbosity;
}
-
+
/** Get the maximum number of events to process. */
public int maxEvents()
{
return _maxevents;
}
-
- /** Convert a line-delimited list of input files into a List of java File objects. */
+
+ /** Print usage and exit (optionally). */
+ private void printUsage(boolean exit)
+ {
+ HelpFormatter help = new HelpFormatter();
+ help.printHelp("SlicDiagnostics", _options);
+ if (exit)
+ {
+ System.exit(0);
+ }
+ }
+
+ /**
+ * Convert a line-delimited list of input files into a List of java File
+ * objects.
+ */
private void readInputFileList(String filelist)
{
try
{
BufferedReader lines = getBufferedReader(filelist);
String line;
-
- while ( (line = lines.readLine()) != null)
+
+ while ((line = lines.readLine()) != null)
{
_infiles.add(new File(line.trim()));
}
@@ -177,13 +193,13 @@
catch (Exception e)
{
throw new RuntimeException("Problem running from file.", e);
- }
+ }
}
-
+
/** Simple utility function to get a BufferedReader. */
static private BufferedReader getBufferedReader(String fileName) throws IOException
{
- FileInputStream fin = new FileInputStream(fileName);
+ FileInputStream fin = new FileInputStream(fileName);
return new BufferedReader(new InputStreamReader(fin));
- }
+ }
}
