implement config re-loading

src/main/java/gg/malloc/defense/config/Configuration.java

@@ -0,0 +1,52 @@
+package gg.malloc.defense.config;
+
+import java.util.List;
+import java.util.Map;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import gg.malloc.defense.model.Arena;
+import gg.malloc.defense.model.Waypoint;
+
+import org.bukkit.configuration.ConfigurationSection;
+
+public class Configuration {
+
+  ConfigurationSection m_root;
+
+  public Configuration(ConfigurationSection rootConfig) {
+    m_root = rootConfig;
+  }
+
+  public Collection<String> getMapNames() {
+    ConfigurationSection mapList = m_root.getConfigurationSection("maps");
+    return mapList.getKeys(false);
+  }
+
+  public Arena getArenaForMap(String name) {
+    ConfigurationSection mapList = m_root.getConfigurationSection("maps");
+    return makeArena(mapList.getConfigurationSection(name));
+  }
+
+  MemoryArena makeArena(ConfigurationSection mapConfig) {
+    List<Map<?, ?>> spawnpointList = mapConfig.getMapList("spawnpoints");
+    ArrayList<Waypoint> spawnpoints = new ArrayList<>();
+
+    for(Map<?, ?> spawnerObj : spawnpointList) {
+      Map<String, Double> thisSpawner = (Map<String, Double>)spawnerObj;
+      double x = thisSpawner.get("x");
+      double y = thisSpawner.get("y");
+      double z = thisSpawner.get("z");
+      spawnpoints.add(new Waypoint(x, y, z));
+    }
+
+    ConfigurationSection targetConfig = mapConfig.getConfigurationSection("target");
+    double x = targetConfig.getDouble("x");
+    double y = targetConfig.getDouble("y");
+    double z = targetConfig.getDouble("z");
+    Waypoint bombTarget = new Waypoint(x, y, z);
+    Waypoint[] spawnArray = new Waypoint[spawnpoints.size()];
+    spawnpoints.toArray(spawnArray);
+    return new MemoryArena(spawnArray, bombTarget);
+  }
+}

src/main/java/gg/malloc/defense/config/MemoryArena.java

@@ -0,0 +1,27 @@
+package gg.malloc.defense.config;
+
+import gg.malloc.defense.model.Arena;
+import gg.malloc.defense.model.Waypoint;
+
+import org.bukkit.configuration.ConfigurationSection;
+
+public class MemoryArena implements Arena {
+
+  Waypoint[] m_spawnpoints;
+  Waypoint m_bombTarget;
+
+  public MemoryArena(Waypoint[] spawnpoints, Waypoint bombTarget) {
+    m_spawnpoints = spawnpoints;
+    m_bombTarget = bombTarget;
+  }
+
+  @Override
+  public Waypoint[] spawnpoints() {
+    return m_spawnpoints;
+  }
+
+  @Override
+  public Waypoint bombTarget() {
+    return m_bombTarget;
+  }
+}