--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/cmd/Command.java Wed Dec 05 17:03:58 2018 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2016, 2018, 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 jdk.jfr.internal.cmd;
-
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Deque;
-import java.util.List;
-
-abstract class Command {
-
- private final static Command HELP = new HelpCommand();
- private final static List<Command> COMMANDS = createCommands();
-
- static void displayHelp() {
- System.out.println("Usage: java " + Execute.class.getName() + " <command> [<options>]");
- System.out.println();
- displayAvailableCommands();
- }
-
- static void displayAvailableCommands() {
- System.out.println("Available commands are:");
- System.out.println();
- boolean first = true;
- for (Command c : Command.COMMANDS) {
- if (!first) {
- System.out.println();
- }
- System.out.println(" " + c.getName() + " " + c.getOptionSyntax());
- System.out.println(" " + c.getDescription());
- first = false;
- }
- }
-
- public static List<Command> getCommands() {
- return COMMANDS;
- }
-
- public static Command valueOf(String commandName) {
- for (Command command : COMMANDS) {
- if (command.getName().equals(commandName)) {
- return command;
- }
- }
- return null;
- }
-
- abstract public String getOptionSyntax();
-
- abstract public String getName();
-
- abstract public String getDescription();
-
- abstract public void displayOptionUsage();
-
- abstract public void execute(Deque<String> options);
-
- final protected void userFailed(String message) {
- println();
- println(message);
- displayUsage();
- throw new IllegalArgumentException(message);
- }
-
- final protected void ensureMaxArgumentCount(Deque<String> options, int maxCount) {
- if (options.size() > maxCount) {
- userFailed("Too many arguments");
- }
- }
-
- final protected void ensureMinArgumentCount(Deque<String> options, int minCount) {
- if (options.size() < minCount) {
- userFailed("Too few arguments");
- }
- }
-
- final protected void ensureFileExist(Path file) {
- if (!Files.exists(file)) {
- userFailed("Could not find file " + file);
- }
- }
-
- final protected Path ensureFileDoesNotExist(Path file) {
- if (Files.exists(file)) {
- userFailed("File " + file + " already exists");
- }
- return file;
- }
-
- final protected void ensureJFRFile(Path path) {
- if (!path.toString().endsWith(".jfr")) {
- userFailed("Filename must end with .jfr");
- }
- }
-
- final protected void displayUsage() {
- String javaText = "java " + Execute.class.getName();
- println();
- println("Usage: " + javaText + " " + getName() + " " + getOptionSyntax());
- println();
- displayOptionUsage();
- }
-
- final protected void println() {
- System.out.println();
- }
-
- final protected void print(String text) {
- System.out.print(text);
- }
-
- final protected void println(String text) {
- System.out.println(text);
- }
-
- private static List<Command> createCommands() {
- List<Command> commands = new ArrayList<>();
- commands.add(new PrintCommand());
- commands.add(new SummaryCommand());
- commands.add(new ReconstructCommand());
- commands.add(new SplitCommand());
- commands.add(HELP);
- return Collections.unmodifiableList(commands);
- }
-}