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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
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7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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24  */
25 
26 package sun.tools.jps;
27 
28 import java.io.*;
29 import java.net.*;
30 import sun.jvmstat.monitor.*;
31 
32 /**
33  * Class for processing command line arguments and providing method
34  * level access to the command line arguments.
35  *
36  * @author Brian Doherty
37  * @since 1.5
38  */
39 public class Arguments {
40 
41     private static final boolean debug = Boolean.getBoolean("jps.debug");
42     private static final boolean printStackTrace = Boolean.getBoolean(
43             "jps.printStackTrace");
44 
45     private boolean help;
46     private boolean quiet;
47     private boolean longPaths;
48     private boolean vmArgs;
49     private boolean vmFlags;
50     private boolean mainArgs;
51     private String hostname;
52     private HostIdentifier hostId;
53 
printUsage(PrintStream ps)54     public static void printUsage(PrintStream ps) {
55       ps.println("usage: jps [-help]");
56       ps.println("       jps [-q] [-mlvV] [<hostid>]");
57       ps.println();
58       ps.println("Definitions:");
59       ps.println("    <hostid>:      <hostname>[:<port>]");
60     }
61 
Arguments(String[] args)62     public Arguments(String[] args) throws IllegalArgumentException {
63         int argc = 0;
64 
65         if (args.length == 1) {
66             if ((args[0].compareTo("-?") == 0)
67                     || (args[0].compareTo("-help")== 0)) {
68               help = true;
69               return;
70             }
71         }
72 
73         for (argc = 0; (argc < args.length) && (args[argc].startsWith("-"));
74                 argc++) {
75             String arg = args[argc];
76 
77             if (arg.compareTo("-q") == 0) {
78               quiet = true;
79             } else if (arg.startsWith("-")) {
80                 for (int j = 1; j < arg.length(); j++) {
81                     switch (arg.charAt(j)) {
82                     case 'm':
83                         mainArgs = true;
84                         break;
85                     case 'l':
86                         longPaths = true;
87                         break;
88                     case 'v':
89                         vmArgs = true;
90                         break;
91                     case 'V':
92                         vmFlags = true;
93                         break;
94                     default:
95                         throw new IllegalArgumentException("illegal argument: "
96                                                            + args[argc]);
97                     }
98                 }
99             } else {
100                 throw new IllegalArgumentException("illegal argument: "
101                                                    + args[argc]);
102             }
103         }
104 
105         switch (args.length - argc) {
106         case 0:
107             hostname = null;
108             break;
109         case 1:
110             hostname = args[args.length - 1];
111             break;
112         default:
113             throw new IllegalArgumentException("invalid argument count");
114         }
115 
116         try {
117             hostId = new HostIdentifier(hostname);
118         } catch (URISyntaxException e) {
119             IllegalArgumentException iae =
120                     new IllegalArgumentException("Malformed Host Identifier: "
121                                                  + hostname);
122             iae.initCause(e);
123             throw iae;
124         }
125     }
126 
isDebug()127     public boolean isDebug() {
128         return debug;
129     }
130 
printStackTrace()131     public boolean printStackTrace() {
132         return printStackTrace;
133     }
134 
isHelp()135     public boolean isHelp() {
136         return help;
137     }
138 
isQuiet()139     public boolean isQuiet() {
140         return quiet;
141     }
142 
showLongPaths()143     public boolean showLongPaths() {
144         return longPaths;
145     }
146 
showVmArgs()147     public boolean showVmArgs() {
148         return vmArgs;
149     }
150 
showVmFlags()151     public boolean showVmFlags() {
152         return vmFlags;
153     }
154 
showMainArgs()155     public boolean showMainArgs() {
156         return mainArgs;
157     }
158 
hostname()159     public String hostname() {
160         return hostname;
161     }
162 
hostId()163     public HostIdentifier hostId() {
164         return hostId;
165     }
166 }
167