DMDirc-Plugins/debug/src/main/java/com/dmdirc/addons/debug/commands/Threads.java

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.debug.commands;

import com.dmdirc.addons.debug.Debug;
import com.dmdirc.addons.debug.DebugCommand;
import com.dmdirc.commandparser.CommandArguments;
import com.dmdirc.commandparser.commands.context.CommandContext;
import com.dmdirc.interfaces.WindowModel;
import com.dmdirc.ui.messages.IRCControlCodes;

import java.util.Map.Entry;

import javax.annotation.Nonnull;
import javax.inject.Inject;
import javax.inject.Provider;

/**
 * Outputs a thread dump.
 */
public class Threads extends DebugCommand {

    /**
     * Creates a new instance of the command.
     *
     * @param commandProvider The provider to use to access the main debug command.
     */
    @Inject
    public Threads(final Provider<Debug> commandProvider) {
        super(commandProvider);
    }

    @Override
    public String getName() {
        return "threads";
    }

    @Override
    public String getUsage() {
        return " - Shows a thread dump for the running JVM";
    }

    @Override
    public void execute(@Nonnull final WindowModel origin,
            final CommandArguments args, final CommandContext context) {
        for (Entry<Thread, StackTraceElement[]> thread
                : Thread.getAllStackTraces().entrySet()) {
            showOutput(origin, args.isSilent(), IRCControlCodes.BOLD + thread.getKey().getName());

            for (StackTraceElement element : thread.getValue()) {
                showOutput(origin, args.isSilent(), IRCControlCodes.FIXED + "    " + element);
            }
        }
    }

}