Added sk89q's cmd library.

Added backend commands: help, serverlist, and stop

build.gradle

@@ -50,6 +50,9 @@ idea {
 
 repositories {
 	mavenCentral()
+    maven {
+        url = "http://maven.sk89q.com/repo/"
+    }
 }
 
 //noinspection GroovyAssignabilityCheck
@@ -61,6 +64,7 @@ dependencies {
     compile group: "org.freemarker", name: "freemarker", version: "2.3.20"
     compile group: "org.apache.logging.log4j", name: "log4j-core", version: "2.0.2"
     compile group: "net.lingala.zip4j", name:"zip4j", version: "1.3.2"
+    compile group: "com.sk89q", name:"intake", version: "3.1.1-SNAPSHOT"
 }
 
 jar {

src/main/java/net/doubledoordev/backend/Main.java

@@ -40,6 +40,9 @@
 
 package net.doubledoordev.backend;
 
+import com.sk89q.intake.dispatcher.Dispatcher;
+import com.sk89q.intake.fluent.CommandGraph;
+import net.doubledoordev.backend.commands.CommandHandler;
 import net.doubledoordev.backend.server.Server;
 import net.doubledoordev.backend.server.rcon.RCon;
 import net.doubledoordev.backend.util.Cache;
@@ -67,6 +70,7 @@ public class Main
 {
     public static final Logger LOGGER = LogManager.getLogger(Main.class.getSimpleName());
     public static String adminKey;
+    public static boolean running = true;
 
     private Main()
     {
@@ -120,19 +124,9 @@ public static void main(String[] args) throws Exception
             LOGGER.warn("Admin token: " + adminKey);
         }
 
-        LOGGER.info("Loading done. Press any key to terminate the program.");
-        // Wait for user input.
-        try
-        {
-            //noinspection ResultOfMethodCallIgnored
-            System.in.read();
-        }
-        catch (Throwable ignored)
-        {
-            // Noop
-        }
+        LOGGER.info("Use the help command for help.");
 
-        shutdown();
+        CommandHandler.init();
     }
 
     @SuppressWarnings("ResultOfMethodCallIgnored")
@@ -143,6 +137,7 @@ private static void mkdirs()
 
     public static synchronized void shutdown()
     {
+        running = false;
         Settings.save();
         LOGGER.info("Attempting graceful shutdown of all servers...");
         for (final Server server : Settings.SETTINGS.servers.values())

src/main/java/net/doubledoordev/backend/commands/Bindings.java

@@ -0,0 +1,91 @@
+/*
+ * Unless otherwise specified through the '@author' tag or comments at
+ * the top of the file or on a specific portion of the code the following license applies:
+ *
+ * Copyright (c) 2014, DoubleDoorDevelopment
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *  Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ *  The header specified or the above copyright notice, this list of conditions
+ *   and the following disclaimer below must be displayed at the top of the source code
+ *   of any web page received while using any part of the service this software provides.
+ *
+ *   The header to be displayed:
+ *       This page was generated by DoubleDoorDevelopment's D3Backend or a derivative thereof.
+ *
+ *  Neither the name of the project nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+package net.doubledoordev.backend.commands;
+
+import com.sk89q.intake.parametric.ParameterException;
+import com.sk89q.intake.parametric.argument.ArgumentStack;
+import com.sk89q.intake.parametric.binding.BindingBehavior;
+import com.sk89q.intake.parametric.binding.BindingHelper;
+import com.sk89q.intake.parametric.binding.BindingMatch;
+import net.doubledoordev.backend.permissions.User;
+import net.doubledoordev.backend.server.Server;
+import net.doubledoordev.backend.util.Settings;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+/**
+ * @author Dries007
+ */
+public class Bindings extends BindingHelper
+{
+    @BindingMatch(type = Server.class, behavior = BindingBehavior.CONSUMES, consumedCount = 1)
+    public Server getServer(ArgumentStack context) throws ParameterException
+    {
+        return Settings.getServerByName(context.next());
+    }
+
+    @BindingMatch(type = Server[].class, behavior = BindingBehavior.CONSUMES)
+    public Server[] getServers(ArgumentStack context) throws ParameterException
+    {
+        Pattern pattern = Pattern.compile(context.next());
+        List<Server> servers = new ArrayList<>();
+        for (Server server : Settings.SETTINGS.servers.values()) if (pattern.matcher(server.getName()).matches()) servers.add(server);
+        return servers.toArray(new Server[servers.size()]);
+    }
+
+    @BindingMatch(type = User.class, behavior = BindingBehavior.CONSUMES, consumedCount = 1)
+    public User getUser(ArgumentStack context) throws ParameterException
+    {
+        return Settings.getUserByName(context.next());
+    }
+
+    @BindingMatch(type = User[].class, behavior = BindingBehavior.CONSUMES, consumedCount = 1)
+    public User[] getUsers(ArgumentStack context) throws ParameterException
+    {
+        Pattern pattern = Pattern.compile(context.next());
+        List<User> users = new ArrayList<>();
+        for (User server : Settings.SETTINGS.users.values()) if (pattern.matcher(server.getUsername()).matches()) users.add(server);
+        return users.toArray(new User[users.size()]);
+    }
+}

src/main/java/net/doubledoordev/backend/commands/CommandHandler.java

@@ -0,0 +1,105 @@
+/*
+ * Unless otherwise specified through the '@author' tag or comments at
+ * the top of the file or on a specific portion of the code the following license applies:
+ *
+ * Copyright (c) 2014, DoubleDoorDevelopment
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *  Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ *  The header specified or the above copyright notice, this list of conditions
+ *   and the following disclaimer below must be displayed at the top of the source code
+ *   of any web page received while using any part of the service this software provides.
+ *
+ *   The header to be displayed:
+ *       This page was generated by DoubleDoorDevelopment's D3Backend or a derivative thereof.
+ *
+ *  Neither the name of the project nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+package net.doubledoordev.backend.commands;
+
+import com.sk89q.intake.Command;
+import com.sk89q.intake.CommandException;
+import com.sk89q.intake.CommandMapping;
+import com.sk89q.intake.context.CommandLocals;
+import com.sk89q.intake.dispatcher.Dispatcher;
+import com.sk89q.intake.fluent.CommandGraph;
+import com.sk89q.intake.parametric.ParametricBuilder;
+import com.sk89q.intake.parametric.annotation.Optional;
+import com.sk89q.intake.util.auth.AuthorizationException;
+import net.doubledoordev.backend.Main;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import static net.doubledoordev.backend.Main.LOGGER;
+import static net.doubledoordev.backend.util.Constants.JOINER_COMMA_SPACE;
+
+/**
+ * Using sk89q's Intake lib
+ *
+ * @author Dries007
+ */
+public class CommandHandler implements Runnable
+{
+    public final Dispatcher dispatcher;
+    private CommandHandler()
+    {
+        ParametricBuilder parametricBuilder = new ParametricBuilder();
+        parametricBuilder.addBinding(new Bindings());
+
+        dispatcher = new CommandGraph()
+                .builder(parametricBuilder)
+                .commands()
+                .registerMethods(new Commands(this))
+                .registerMethods(this)
+                .graph()
+                .getDispatcher();
+    }
+
+    public static void init()
+    {
+        new Thread(new CommandHandler(), "CommandHandler").start();
+    }
+
+    @Override
+    public void run()
+    {
+        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
+        while (Main.running)
+        {
+            try
+            {
+                dispatcher.call(reader.readLine(), new CommandLocals(), new String[0]);
+            }
+            catch (CommandException | IOException | AuthorizationException e)
+            {
+                LOGGER.warn(e);
+            }
+        }
+    }
+}

src/main/java/net/doubledoordev/backend/commands/CommandNotFoundException.java

@@ -0,0 +1,55 @@
+/*
+ * Unless otherwise specified through the '@author' tag or comments at
+ * the top of the file or on a specific portion of the code the following license applies:
+ *
+ * Copyright (c) 2014, DoubleDoorDevelopment
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ *  Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ *  The header specified or the above copyright notice, this list of conditions
+ *   and the following disclaimer below must be displayed at the top of the source code
+ *   of any web page received while using any part of the service this software provides.
+ *
+ *   The header to be displayed:
+ *       This page was generated by DoubleDoorDevelopment's D3Backend or a derivative thereof.
+ *
+ *  Neither the name of the project nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+package net.doubledoordev.backend.commands;
+
+import com.sk89q.intake.CommandException;
+
+/**
+ * @author Dries007
+ */
+public class CommandNotFoundException extends CommandException
+{
+    public CommandNotFoundException(String command)
+    {
+        super(String.format("%s is not a valid command.", command));
+    }
+}