src/jdk.jfr/share/classes/jdk/jfr/internal/cmd/Command.java
branchJDK-8200758-branch
changeset 57061 ac44f38300b2
parent 57060 5103d6d2e796
parent 52859 413c28945e0f
child 57062 044e7a644ee3
--- 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);
-    }
-}