/*
 * Copyright (c) 2016 MCPhoton <http://mcphoton.org> and contributors.
 *
 * This file is part of the Photon Server Implementation <https://github.com/mcphoton/Photon-Server>.
 *
 * The Photon Server Implementation is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The Photon Server Implementation 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.mcphoton.impl.command;

import org.mcphoton.command.Command;
import org.mcphoton.impl.server.Main;
import org.mcphoton.messaging.Messageable;

public class ListCommand implements Command {
	

	@Override
	public void execute(Messageable source, String[] args) {
		
		switch(Main.serverInstance.getOnlinePlayers().size()) {
		case 0:
			source.sendMessage("No player is connected.");
			break;
		case 1:
			source.sendMessage("There is 1 of " + Main.serverInstance.getMaxPlayers() + " player connected.");
			break;
		default:
			source.sendMessage("There are " + Main.serverInstance.getOnlinePlayers().size() + " of " + Main.serverInstance.getMaxPlayers() + " players connected.");
			break;
		}
	}

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

}

package org.mcphoton.impl.command;

import org.mcphoton.command.Command;
import org.mcphoton.impl.server.Main;
import org.mcphoton.messaging.Messageable;

public class ListCommand implements Command {
	

	@Override
	public void execute(Messageable source, String[] args) {
		
		switch(Main.serverInstance.getOnlinePlayers().size()) {
		case 0:
			source.sendMessage("No player is connected.");
			break;
		case 1:
			source.sendMessage("There is 1 of " + Main.serverInstance.getMaxPlayers() + " player connected.");
			break;
		default:
			source.sendMessage("There are " + Main.serverInstance.getOnlinePlayers().size() + " of " + Main.serverInstance.getMaxPlayers() + " players connected.");
			break;
		}
	}

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

}

--- 
+++ 
@@ -1,3 +1,21 @@
+/*
+ * Copyright (c) 2016 MCPhoton <http://mcphoton.org> and contributors.
+ *
+ * This file is part of the Photon Server Implementation <https://github.com/mcphoton/Photon-Server>.
+ *
+ * The Photon Server Implementation is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Photon Server Implementation 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 package org.mcphoton.impl.command;
 
 import org.mcphoton.command.Command;
Fix problem with a build error.

Error with Gradle at task 'licenseMain': "Missing header in: src\main\java\org\mcphoton\impl\command\ListCommand.java"

It's a fix.