Move Plex to API-driven plugin and fix NoClassDefFoundError on startup

server/src/main/java/dev/plex/config/Config.java

@@ -0,0 +1,122 @@
+package dev.plex.config;
+
+import dev.plex.Plex;
+import dev.plex.util.PlexLog;
+import java.io.File;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+/**
+ * Creates a custom Config object
+ */
+public class Config extends YamlConfiguration
+{
+    /**
+     * The plugin instance
+     */
+    private Plex plugin;
+
+    /**
+     * The File instance
+     */
+    private File file;
+
+    /**
+     * The file name
+     */
+    private String name;
+
+    /**
+     * Whether new entries were added to the file automatically
+     */
+    private boolean added = false;
+
+    /**
+     * Creates a config object
+     *
+     * @param plugin The plugin instance
+     * @param name   The file name
+     */
+    public Config(Plex plugin, String name)
+    {
+        this.plugin = plugin;
+        this.file = new File(plugin.getDataFolder(), name);
+        this.name = name;
+
+        if (!file.exists())
+        {
+            saveDefault();
+        }
+    }
+
+    public void load()
+    {
+        this.load(true);
+    }
+
+    /**
+     * Loads the configuration file
+     */
+    public void load(boolean loadFromFile)
+    {
+        try
+        {
+            if (loadFromFile)
+            {
+                YamlConfiguration externalYamlConfig = YamlConfiguration.loadConfiguration(file);
+                InputStreamReader internalConfigFileStream = new InputStreamReader(plugin.getResource(name), StandardCharsets.UTF_8);
+                YamlConfiguration internalYamlConfig = YamlConfiguration.loadConfiguration(internalConfigFileStream);
+
+                // Gets all the keys inside the internal file and iterates through all of it's key pairs
+                for (String string : internalYamlConfig.getKeys(true))
+                {
+                    // Checks if the external file contains the key already.
+                    if (!externalYamlConfig.contains(string))
+                    {
+                        // If it doesn't contain the key, we set the key based off what was found inside the plugin jar
+                        externalYamlConfig.setComments(string, internalYamlConfig.getComments(string));
+                        externalYamlConfig.setInlineComments(string, internalYamlConfig.getInlineComments(string));
+                        externalYamlConfig.set(string, internalYamlConfig.get(string));
+                        PlexLog.log("Setting key: " + string + " in " + this.name + " to the default value(s) since it does not exist!");
+                        added = true;
+                    }
+                }
+                if (added)
+                {
+                    externalYamlConfig.save(file);
+                    PlexLog.log("Saving new file...");
+                    added = false;
+                }
+            }
+            super.load(file);
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+        }
+    }
+
+    /**
+     * Saves the configuration file
+     */
+    public void save()
+    {
+        try
+        {
+            super.save(file);
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+        }
+    }
+
+    /**
+     * Moves the configuration file from the plugin's resources folder to the data folder (plugins/Plex/)
+     */
+    private void saveDefault()
+    {
+        plugin.saveResource(name, false);
+    }
+}

server/src/main/java/dev/plex/config/ModuleConfig.java

@@ -0,0 +1,95 @@
+package dev.plex.config;
+
+import dev.plex.module.PlexModule;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+/**
+ * Creates a custom Config object
+ */
+public class ModuleConfig extends YamlConfiguration
+{
+    /**
+     * The plugin instance
+     */
+    private PlexModule module;
+
+    /**
+     * The File instance
+     */
+    private File file;
+
+    /**
+     * Where the file is in the module JAR
+     */
+    private String from;
+
+    /**
+     * Where it should be copied to in the module folder
+     */
+    private String to;
+
+    /**
+     * Creates a config object
+     *
+     * @param module The module instance
+     * @param to     The file name
+     */
+    public ModuleConfig(PlexModule module, String from, String to)
+    {
+        this.module = module;
+        this.file = new File(module.getDataFolder(), to);
+        this.to = to;
+        this.from = from;
+
+        if (!file.exists())
+        {
+            saveDefault();
+        }
+    }
+
+    public void load()
+    {
+        try
+        {
+            super.load(file);
+        }
+        catch (IOException | InvalidConfigurationException ex)
+        {
+            ex.printStackTrace();
+        }
+    }
+
+    /**
+     * Saves the configuration file
+     */
+    public void save()
+    {
+        try
+        {
+            super.save(file);
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+        }
+    }
+
+    /**
+     * Moves the configuration file from the plugin's resources folder to the data folder (plugins/Plex/)
+     */
+    private void saveDefault()
+    {
+        try
+        {
+            Files.copy(module.getClass().getResourceAsStream("/" + from), this.file.toPath());
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+        }
+    }
+}