start implementing additional command flags

plugin/src/main/java/com/craftmend/openaudiomc/generic/commands/helpers/CommandParameters.java

@@ -0,0 +1,26 @@
+package com.craftmend.openaudiomc.generic.commands.helpers;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CommandParameters {
+
+    private Map<String, String> parameters = new HashMap<>();
+
+    public CommandParameters(Map<String, String> parameters) {
+        this.parameters = parameters;
+    }
+
+    public String getParameter(String key) {
+        return parameters.get(key);
+    }
+
+    public String getParameterOrDefault(String key, String defaultValue) {
+        return parameters.getOrDefault(key, defaultValue);
+    }
+
+    public boolean hasParameter(String key) {
+        return parameters.containsKey(key);
+    }
+
+}

plugin/src/main/java/com/craftmend/openaudiomc/generic/commands/interfaces/ParameteredSubCommand.java

@@ -0,0 +1,51 @@
+package com.craftmend.openaudiomc.generic.commands.interfaces;
+
+import com.craftmend.openaudiomc.generic.commands.helpers.CommandParameters;
+import com.craftmend.openaudiomc.generic.user.User;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class ParameteredSubCommand extends SubCommand {
+
+    public ParameteredSubCommand(String argument) {
+        super(argument);
+    }
+
+    public ParameteredSubCommand(String argument, String... aliases) {
+        super(argument, aliases);
+    }
+
+    @Override
+    public void onExecute(User<?> sender, String[] args) {
+        // go over all args, and find ones that start with --
+        // these are parameters, and should be parsed into a map
+        // we'll then reconstruct the args array without the parameters
+        Map<String, String> parameters = new HashMap<>();
+
+        for (int i = 0; i < args.length; i++) {
+            String arg = args[i];
+            if (arg.startsWith("--") && arg.contains("=")) {
+                String parameter = arg.substring(2);
+                String[] split = parameter.split("=");
+                String key = split[0];
+                String value = split[1];
+                parameters.put(key, value);
+            }
+        }
+
+        // remove all parameters from the args array
+        String[] newArgs = new String[args.length - parameters.size()];
+        int j = 0;
+        for (int i = 0; i < args.length; i++) {
+            if (!args[i].startsWith("--")) {
+                newArgs[j] = args[i];
+                j++;
+            }
+        }
+
+        onExecute(sender, newArgs, new CommandParameters(parameters));
+    }
+
+    public abstract void onExecute(User<?> sender, String[] args, CommandParameters parameters);
+}