--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.jcmd/share/classes/sun/tools/jcmd/Arguments.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2011, 2012, 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
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.tools.jcmd;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+class Arguments {
+ private boolean listProcesses = false;
+ private boolean listCounters = false;
+ private boolean showUsage = false;
+ private int pid = -1;
+ private String command = null;
+ private String processSubstring;
+
+ public boolean isListProcesses() { return listProcesses; }
+ public boolean isListCounters() { return listCounters; }
+ public boolean isShowUsage() { return showUsage; }
+ public int getPid() { return pid; }
+ public String getCommand() { return command; }
+ public String getProcessSubstring() { return processSubstring; }
+
+ public Arguments(String[] args) {
+ if (args.length == 0 || args[0].equals("-l")) {
+ listProcesses = true;
+ return;
+ }
+
+ if (args[0].equals("-h") || args[0].equals("-help") ) {
+ showUsage = true;
+ return;
+ }
+
+ try {
+ pid = Integer.parseInt(args[0]);
+ } catch (NumberFormatException ex) {
+ // use as a partial class-name instead
+ if (args[0].charAt(0) != '-') {
+ // unless it starts with a '-'
+ processSubstring = args[0];
+ }
+ }
+
+ StringBuilder sb = new StringBuilder();
+ for (int i = 1; i < args.length; i++) {
+ if (args[i].equals("-f")) {
+ if (args.length == i + 1) {
+ throw new IllegalArgumentException(
+ "No file specified for parameter -f");
+ } else if (args.length == i + 2) {
+ try {
+ readCommandFile(args[i + 1]);
+ } catch(IOException e) {
+ throw new IllegalArgumentException(
+ "Could not read from file specified with -f option: "
+ + args[i + 1]);
+ }
+ return;
+ } else {
+ throw new IllegalArgumentException(
+ "Options after -f are not allowed");
+ }
+ } else if (args[i].equals("PerfCounter.print")) {
+ listCounters = true;
+ } else {
+ sb.append(args[i]).append(" ");
+ }
+ }
+
+ if (listCounters != true && sb.length() == 0) {
+ throw new IllegalArgumentException("No command specified");
+ }
+
+ command = sb.toString().trim();
+ }
+
+ private void readCommandFile(String path) throws IOException {
+ try (BufferedReader bf = new BufferedReader(new FileReader(path));) {
+ StringBuilder sb = new StringBuilder();
+ String s;
+ while ((s = bf.readLine()) != null) {
+ sb.append(s).append("\n");
+ }
+ command = sb.toString();
+ }
+ }
+
+ public static void usage() {
+ System.out.println("Usage: jcmd <pid | main class> <command ...|PerfCounter.print|-f file>");
+ System.out.println(" or: jcmd -l ");
+ System.out.println(" or: jcmd -h ");
+ System.out.println(" ");
+ System.out.println(" command must be a valid jcmd command for the selected jvm. ");
+ System.out.println(" Use the command \"help\" to see which commands are available. ");
+ System.out.println(" If the pid is 0, commands will be sent to all Java processes. ");
+ System.out.println(" The main class argument will be used to match (either partially ");
+ System.out.println(" or fully) the class used to start Java. ");
+ System.out.println(" If no options are given, lists Java processes (same as -p). ");
+ System.out.println(" ");
+ System.out.println(" PerfCounter.print display the counters exposed by this process ");
+ System.out.println(" -f read and execute commands from the file ");
+ System.out.println(" -l list JVM processes on the local machine ");
+ System.out.println(" -h this help ");
+ }
+}