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package sun.tools.jps;

import java.io.*;
import java.net.*;
import sun.jvmstat.monitor.*;

Class for processing command line arguments and providing method level access to the command line arguments.
Author:Brian Doherty
Since:1.5
/** * Class for processing command line arguments and providing method * level access to the command line arguments. * * @author Brian Doherty * @since 1.5 */
public class Arguments { private static final boolean debug = Boolean.getBoolean("jps.debug"); private static final boolean printStackTrace = Boolean.getBoolean( "jps.printStackTrace"); private boolean help; private boolean quiet; private boolean longPaths; private boolean vmArgs; private boolean vmFlags; private boolean mainArgs; private String hostname; private HostIdentifier hostId; public static void printUsage(PrintStream ps) { ps.println("usage: jps [--help]"); ps.println(" jps [-q] [-mlvV] [<hostid>]"); ps.println(); ps.println("Definitions:"); ps.println(" <hostid>: <hostname>[:<port>]"); ps.println(" -? -h --help -help: Print this help message and exit."); } public Arguments(String[] args) throws IllegalArgumentException { int argc = 0; if (args.length == 1) { if ((args[0].compareTo("-?") == 0) || (args[0].compareTo("-h")== 0) || (args[0].compareTo("--help")== 0) // -help: legacy. || (args[0].compareTo("-help")== 0)) { help = true; return; } } for (argc = 0; (argc < args.length) && (args[argc].startsWith("-")); argc++) { String arg = args[argc]; if (arg.compareTo("-q") == 0) { quiet = true; } else if (arg.startsWith("-")) { for (int j = 1; j < arg.length(); j++) { switch (arg.charAt(j)) { case 'm': mainArgs = true; break; case 'l': longPaths = true; break; case 'v': vmArgs = true; break; case 'V': vmFlags = true; break; default: throw new IllegalArgumentException("illegal argument: " + args[argc]); } } } else { throw new IllegalArgumentException("illegal argument: " + args[argc]); } } switch (args.length - argc) { case 0: hostname = null; break; case 1: hostname = args[args.length - 1]; break; default: throw new IllegalArgumentException("invalid argument count"); } try { hostId = new HostIdentifier(hostname); } catch (URISyntaxException e) { IllegalArgumentException iae = new IllegalArgumentException("Malformed Host Identifier: " + hostname); iae.initCause(e); throw iae; } } public boolean isDebug() { return debug; } public boolean printStackTrace() { return printStackTrace; } public boolean isHelp() { return help; } public boolean isQuiet() { return quiet; } public boolean showLongPaths() { return longPaths; } public boolean showVmArgs() { return vmArgs; } public boolean showVmFlags() { return vmFlags; } public boolean showMainArgs() { return mainArgs; } public String hostname() { return hostname; } public HostIdentifier hostId() { return hostId; } }