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src/jdk.jcmd/share/classes/sun/tools/jps/Arguments.java

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rev 48074 : 8189102: All tools should support -?, -h and --help
Reviewed-by: kvn, jjg, weijun, alanb, rfield, ksrini

*** 1,7 **** /* ! * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this --- 1,7 ---- /* ! * Copyright (c) 2004, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this
*** 50,71 **** 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>]"); } public Arguments(String[] args) throws IllegalArgumentException { int argc = 0; if (args.length == 1) { if ((args[0].compareTo("-?") == 0) || (args[0].compareTo("-help")== 0)) { help = true; return; } } --- 50,75 ---- 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; } }
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