From 38c82547075a1d14ed4e89040406a7a4cd689f8b Mon Sep 17 00:00:00 2001
From: FrozenCow <frozencow@gmail.com>
Date: Thu, 19 May 2011 11:06:19 +0200
Subject: [PATCH] Added simple start for server-side components.

---
 configuration.txt                             |  3 ++
 src/main/java/org/dynmap/Component.java       | 10 +++++
 .../java/org/dynmap/ComponentManager.java     | 42 +++++++++++++++++++
 src/main/java/org/dynmap/DynmapPlugin.java    |  6 +++
 src/main/java/org/dynmap/TestComponent.java   | 10 +++++
 5 files changed, 71 insertions(+)
 create mode 100644 src/main/java/org/dynmap/Component.java
 create mode 100644 src/main/java/org/dynmap/ComponentManager.java
 create mode 100644 src/main/java/org/dynmap/TestComponent.java

diff --git a/configuration.txt b/configuration.txt
index 6924b988..a11751f1 100644
--- a/configuration.txt
+++ b/configuration.txt
@@ -1,5 +1,8 @@
 # All paths in this configuration file are relative to Dynmap's data-folder: minecraft_server/plugins/dynmap/
 
+components:
+  - class: org.dynmap.TestComponent
+    stuff: "this is some stuff"
 # Treat hiddenplayers.txt as a whitelist for players to be shown on the map? (Default false)
 display-whitelist: false
 
diff --git a/src/main/java/org/dynmap/Component.java b/src/main/java/org/dynmap/Component.java
new file mode 100644
index 00000000..125137e9
--- /dev/null
+++ b/src/main/java/org/dynmap/Component.java
@@ -0,0 +1,10 @@
+package org.dynmap;
+
+public abstract class Component {
+    protected DynmapPlugin plugin;
+    protected ConfigurationNode configuration;
+    public Component(DynmapPlugin plugin, ConfigurationNode configuration) {
+        this.plugin = plugin;
+        this.configuration = configuration;
+    }
+}
diff --git a/src/main/java/org/dynmap/ComponentManager.java b/src/main/java/org/dynmap/ComponentManager.java
new file mode 100644
index 00000000..7829aaad
--- /dev/null
+++ b/src/main/java/org/dynmap/ComponentManager.java
@@ -0,0 +1,42 @@
+package org.dynmap;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class ComponentManager {
+    public Set<Component> components = new HashSet<Component>();
+    public Map<String, List<Component>> componentLookup = new HashMap<String, List<Component>>();
+    
+    public void add(Component c) {
+        if (components.add(c)) {
+            String key = c.getClass().toString();
+            List<Component> clist = componentLookup.get(key);
+            if (clist == null) {
+                clist = new ArrayList<Component>();
+                componentLookup.put(key, clist);
+            }
+            clist.add(c);
+        }
+    }
+    
+    public void remove(Component c) {
+        if (components.remove(c)) {
+            String key = c.getClass().toString();
+            List<Component> clist = componentLookup.get(key);
+            if (clist != null) {
+                clist.remove(c);
+            }
+        }
+    }
+    
+    public Iterable<Component> getComponents(Class<Component> c) {
+        List<Component> list = componentLookup.get(c.toString());
+        if (list == null)
+            return new ArrayList<Component>();
+        return list;
+    }
+}
diff --git a/src/main/java/org/dynmap/DynmapPlugin.java b/src/main/java/org/dynmap/DynmapPlugin.java
index a723de4e..3aeccebc 100644
--- a/src/main/java/org/dynmap/DynmapPlugin.java
+++ b/src/main/java/org/dynmap/DynmapPlugin.java
@@ -56,6 +56,7 @@ public class DynmapPlugin extends JavaPlugin {
     public HashSet<String> enabledTriggers = new HashSet<String>();
     public PermissionProvider permissions;
     public HeroChatHandler hchand;
+    public ComponentManager componentManager = new ComponentManager();
 
     public Timer timer;
 
@@ -82,6 +83,11 @@ public class DynmapPlugin extends JavaPlugin {
         configuration = new ConfigurationNode(bukkitConfiguration);
 
         loadDebuggers();
+        
+        // Load components.
+        for(Component component : configuration.<Component>createInstances("components", new Class<?>[] { DynmapPlugin.class }, new Object[] { this })) {
+            componentManager.add(component);
+        }
 
         tilesDirectory = getFile(configuration.getString("tilespath", "web/tiles"));
         if (!tilesDirectory.isDirectory() && !tilesDirectory.mkdirs()) {
diff --git a/src/main/java/org/dynmap/TestComponent.java b/src/main/java/org/dynmap/TestComponent.java
new file mode 100644
index 00000000..304679c2
--- /dev/null
+++ b/src/main/java/org/dynmap/TestComponent.java
@@ -0,0 +1,10 @@
+package org.dynmap;
+
+public class TestComponent extends Component {
+
+    public TestComponent(DynmapPlugin plugin, ConfigurationNode configuration) {
+        super(plugin, configuration);
+        Log.info("Hello! I'm a component that does stuff! Like saying what is in my configuration: " + configuration.getString("stuff"));
+    }
+    
+}