33 private boolean listProcesses = false;
34 private boolean listCounters = false;
35 private boolean showUsage = false;
36 private String command = null;
37 private String processString = null;
38
39 public boolean isListProcesses() { return listProcesses; }
40 public boolean isListCounters() { return listCounters; }
41 public boolean isShowUsage() { return showUsage; }
42 public String getCommand() { return command; }
43 public String getProcessString() { return processString; }
44
45 public Arguments(String[] args) {
46 if (args.length == 0 || args[0].equals("-l")) {
47 listProcesses = true;
48 /* list all processes */
49 processString = "0";
50 return;
51 }
52
53 if (args[0].equals("-h") || args[0].equals("-help") ) {
54 showUsage = true;
55 return;
56 }
57
58 processString = args[0];
59
60 StringBuilder sb = new StringBuilder();
61 for (int i = 1; i < args.length; i++) {
62 if (args[i].equals("-f")) {
63 if (args.length == i + 1) {
64 throw new IllegalArgumentException(
65 "No file specified for parameter -f");
66 } else if (args.length == i + 2) {
67 try {
68 readCommandFile(args[i + 1]);
69 } catch(IOException e) {
70 throw new IllegalArgumentException(
71 "Could not read from file specified with -f option: "
72 + args[i + 1]);
73 }
99 }
100 command = sb.toString();
101 }
102 }
103
104 public static void usage() {
105 System.out.println("Usage: jcmd <pid | main class> <command ...|PerfCounter.print|-f file>");
106 System.out.println(" or: jcmd -l ");
107 System.out.println(" or: jcmd -h ");
108 System.out.println(" ");
109 System.out.println(" command must be a valid jcmd command for the selected jvm. ");
110 System.out.println(" Use the command \"help\" to see which commands are available. ");
111 System.out.println(" If the pid is 0, commands will be sent to all Java processes. ");
112 System.out.println(" The main class argument will be used to match (either partially ");
113 System.out.println(" or fully) the class used to start Java. ");
114 System.out.println(" If no options are given, lists Java processes (same as -l). ");
115 System.out.println(" ");
116 System.out.println(" PerfCounter.print display the counters exposed by this process ");
117 System.out.println(" -f read and execute commands from the file ");
118 System.out.println(" -l list JVM processes on the local machine ");
119 System.out.println(" -h this help ");
120 }
121 }
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33 private boolean listProcesses = false;
34 private boolean listCounters = false;
35 private boolean showUsage = false;
36 private String command = null;
37 private String processString = null;
38
39 public boolean isListProcesses() { return listProcesses; }
40 public boolean isListCounters() { return listCounters; }
41 public boolean isShowUsage() { return showUsage; }
42 public String getCommand() { return command; }
43 public String getProcessString() { return processString; }
44
45 public Arguments(String[] args) {
46 if (args.length == 0 || args[0].equals("-l")) {
47 listProcesses = true;
48 /* list all processes */
49 processString = "0";
50 return;
51 }
52
53 // -help: legacy. Undocumented.
54 if (args[0].equals("-?") || args[0].equals("-h") || args[0].equals("--help") || args[0].equals("-help")) {
55 showUsage = true;
56 return;
57 }
58
59 processString = args[0];
60
61 StringBuilder sb = new StringBuilder();
62 for (int i = 1; i < args.length; i++) {
63 if (args[i].equals("-f")) {
64 if (args.length == i + 1) {
65 throw new IllegalArgumentException(
66 "No file specified for parameter -f");
67 } else if (args.length == i + 2) {
68 try {
69 readCommandFile(args[i + 1]);
70 } catch(IOException e) {
71 throw new IllegalArgumentException(
72 "Could not read from file specified with -f option: "
73 + args[i + 1]);
74 }
100 }
101 command = sb.toString();
102 }
103 }
104
105 public static void usage() {
106 System.out.println("Usage: jcmd <pid | main class> <command ...|PerfCounter.print|-f file>");
107 System.out.println(" or: jcmd -l ");
108 System.out.println(" or: jcmd -h ");
109 System.out.println(" ");
110 System.out.println(" command must be a valid jcmd command for the selected jvm. ");
111 System.out.println(" Use the command \"help\" to see which commands are available. ");
112 System.out.println(" If the pid is 0, commands will be sent to all Java processes. ");
113 System.out.println(" The main class argument will be used to match (either partially ");
114 System.out.println(" or fully) the class used to start Java. ");
115 System.out.println(" If no options are given, lists Java processes (same as -l). ");
116 System.out.println(" ");
117 System.out.println(" PerfCounter.print display the counters exposed by this process ");
118 System.out.println(" -f read and execute commands from the file ");
119 System.out.println(" -l list JVM processes on the local machine ");
120 System.out.println(" -? -h --help this help ");
121 }
122 }
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