org.dellroad.jct.jshell.command.JShellCommand Maven / Gradle / Ivy
/*
* Copyright (C) 2023 Archie L. Cobbs. All rights reserved.
*/
package org.dellroad.jct.jshell.command;
import org.dellroad.jct.core.simple.command.SubshellCommand;
import org.dellroad.jct.jshell.JShellShell;
/**
* A command that fires up a {@link jdk.jshell.JShell} instance.
*/
public class JShellCommand extends SubshellCommand {
/**
* Default constructor.
*
*
* Creates an instance using a new anonymous {@link JShellShell} instance.
*/
public JShellCommand() {
this(new JShellShell());
}
/**
* Constructor.
*
*
* This constructor provides default usage, summary, and description strings.
*
* @param shell creates subshell sessions
* @throws IllegalArgumentException if {@code shell} is null
*/
public JShellCommand(JShellShell shell) {
this(shell,
"[options]",
"Fire up a JShell console.",
"Creates a new JShell console and enters into it. Only works in shell mode, not execute mode."
+ "\nAccepts the same command line flags as the jshell(1) command line tool.");
}
/**
* Constructor.
*
* @param shell creates subshell sessions
* @param usage usage string, or null if command takes no arguments
* @param summary help summary
* @param detail help detail
* @throws IllegalArgumentException if {@code shell}, {@code summary} or {@code detail} is null
*/
public JShellCommand(JShellShell shell, String usage, String summary, String detail) {
super(shell, usage, summary, detail);
}
}