Add new handlers (Which don't work for no reason)

I'm getting stuck help plz. All commands that require any IrisRegistrant, including the dimensions (of which I did not modify the handler), give an invocationtargetexception

src/main/java/com/volmit/iris/util/decree/DecreeParameter.java

@@ -25,7 +25,6 @@ import com.volmit.iris.util.decree.exceptions.DecreeWhichException;
 import lombok.Data;
 
 import java.lang.reflect.Parameter;
-import java.util.Arrays;
 
 @Data
 public class DecreeParameter {

src/main/java/com/volmit/iris/util/decree/DecreeSystem.java

@@ -61,7 +61,7 @@ public interface DecreeSystem extends CommandExecutor, TabCompleter {
     @Override
     default boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
         J.aBukkit(() -> {
-            if(!call(new VolmitSender(sender, Iris.instance.getTag()), args))
+            if(!call(new VolmitSender(sender), args))
             {
                 sender.sendMessage(C.RED + "Unknown Iris Command");
             }
@@ -174,8 +174,7 @@ public interface DecreeSystem extends CommandExecutor, TabCompleter {
      * @param type The type to handle
      * @return The corresponding {@link DecreeParameterHandler}, or null
      */
-    static DecreeParameterHandler<?> getHandler(Class<?> type)
-    {
+    static DecreeParameterHandler<?> getHandler(Class<?> type) {
         for(DecreeParameterHandler<?> i : handlers)
         {
             if(i.supports(type))
@@ -183,6 +182,7 @@ public interface DecreeSystem extends CommandExecutor, TabCompleter {
                 return i;
             }
         }
+        Iris.error("Unhandled type in Decree Parameter: " + type.getName() + ". This is bad!");
         return null;
     }
 }

src/main/java/com/volmit/iris/util/decree/handlers/EntityHandler.java

@@ -0,0 +1,105 @@
+package com.volmit.iris.util.decree.handlers;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.project.loader.IrisData;
+import com.volmit.iris.engine.object.dimensional.IrisDimension;
+import com.volmit.iris.engine.object.entity.IrisEntity;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.decree.DecreeParameterHandler;
+import com.volmit.iris.util.decree.exceptions.DecreeParsingException;
+import com.volmit.iris.util.decree.exceptions.DecreeWhichException;
+
+import java.io.File;
+
+public class EntityHandler implements DecreeParameterHandler<IrisEntity> {
+
+    /**
+     * Should return the possible values for this type
+     *
+     * @return Possibilities for this type.
+     */
+    @Override
+    public KList<IrisEntity> getPossibilities() {
+        KMap<String, IrisEntity> p = new KMap<>();
+
+        //noinspection ConstantConditions
+        for(File i : Iris.instance.getDataFolder("packs").listFiles())
+        {
+            if(i.isDirectory()) {
+                IrisData data = new IrisData(i, true);
+                for (IrisEntity j : data.getEntityLoader().loadAll(data.getEntityLoader().getPossibleKeys()))
+                {
+                    p.putIfAbsent(j.getLoadKey(), j);
+                }
+
+                data.close();
+            }
+        }
+
+        return p.v();
+    }
+
+    /**
+     * Converting the type back to a string (inverse of the {@link #parse(String) parse} method)
+     *
+     * @param entity The input of the designated type to convert to a String
+     * @return The resulting string
+     */
+    @Override
+    public String toString(IrisEntity entity) {
+        return entity.getLoadKey();
+    }
+
+    /**
+     * Should parse a String into the designated type
+     *
+     * @param in The string to parse
+     * @return The value extracted from the string, of the designated type
+     * @throws DecreeParsingException Thrown when the parsing fails (ex: "oop" translated to an integer throws this)
+     * @throws DecreeWhichException   Thrown when multiple results are possible
+     */
+    @Override
+    public IrisEntity parse(String in) throws DecreeParsingException, DecreeWhichException {
+        try
+        {
+            KList<IrisEntity> options = getPossibilities(in);
+
+            if(options.isEmpty())
+            {
+                throw new DecreeParsingException("Unable to find Entity \"" + in + "\"");
+            }
+
+            else if(options.size() > 1)
+            {
+                throw new DecreeWhichException();
+            }
+
+            return options.get(0);
+        }
+        catch(DecreeParsingException e){
+            throw e;
+        }
+        catch(Throwable e)
+        {
+            throw new DecreeParsingException("Unable to find Entity \"" + in + "\" because of an uncaught exception: " + e);
+        }
+    }
+
+    /**
+     * Returns whether a certain type is supported by this handler<br>
+     *
+     * @param type The type to check
+     * @return True if supported, false if not
+     */
+    @Override
+    public boolean supports(Class<?> type) {
+        return type.equals(IrisEntity.class);
+    }
+
+    @Override
+    public String getRandomDefault()
+    {
+        return "entity";
+    }
+}

src/main/java/com/volmit/iris/util/decree/handlers/GeneratorHandler.java

@@ -0,0 +1,78 @@
+package com.volmit.iris.util.decree.handlers;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.project.loader.IrisData;
+import com.volmit.iris.engine.object.noise.IrisGenerator;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.decree.DecreeParameterHandler;
+import com.volmit.iris.util.decree.exceptions.DecreeParsingException;
+import com.volmit.iris.util.decree.exceptions.DecreeWhichException;
+
+import java.io.File;
+
+public class GeneratorHandler implements DecreeParameterHandler<IrisGenerator> {
+    @Override
+    public KList<IrisGenerator> getPossibilities() {
+        KMap<String, IrisGenerator> p = new KMap<>();
+
+        //noinspection ConstantConditions
+        for(File i : Iris.instance.getDataFolder("packs").listFiles())
+        {
+            if(i.isDirectory()) {
+                IrisData data = new IrisData(i, true);
+                for (IrisGenerator j : data.getGeneratorLoader().loadAll(data.getGeneratorLoader().getPossibleKeys()))
+                {
+                    p.putIfAbsent(j.getLoadKey(), j);
+                }
+
+                data.close();
+            }
+        }
+
+        return p.v();
+    }
+
+    @Override
+    public String toString(IrisGenerator gen) {
+        return gen.getLoadKey();
+    }
+
+    @Override
+    public IrisGenerator parse(String in) throws DecreeParsingException, DecreeWhichException {
+        try
+        {
+            KList<IrisGenerator> options = getPossibilities(in);
+
+            if(options.isEmpty())
+            {
+                throw new DecreeParsingException("Unable to find Generator \"" + in + "\"");
+            }
+
+            else if(options.size() > 1)
+            {
+                throw new DecreeWhichException();
+            }
+
+            return options.get(0);
+        }
+        catch(DecreeParsingException e){
+            throw e;
+        }
+        catch(Throwable e)
+        {
+            throw new DecreeParsingException("Unable to find Generator \"" + in + "\" because of an uncaught exception: " + e);
+        }
+    }
+
+    @Override
+    public boolean supports(Class<?> type) {
+        return type.equals(IrisGenerator.class);
+    }
+
+    @Override
+    public String getRandomDefault()
+    {
+        return "generator";
+    }
+}

src/main/java/com/volmit/iris/util/decree/handlers/ScriptHandler.java

@@ -0,0 +1,78 @@
+package com.volmit.iris.util.decree.handlers;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.project.loader.IrisData;
+import com.volmit.iris.engine.object.common.IrisScript;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.decree.DecreeParameterHandler;
+import com.volmit.iris.util.decree.exceptions.DecreeParsingException;
+import com.volmit.iris.util.decree.exceptions.DecreeWhichException;
+
+import java.io.File;
+
+public class ScriptHandler implements DecreeParameterHandler<IrisScript> {
+    @Override
+    public KList<IrisScript> getPossibilities() {
+        KMap<String, IrisScript> p = new KMap<>();
+
+        //noinspection ConstantConditions
+        for(File i : Iris.instance.getDataFolder("packs").listFiles())
+        {
+            if(i.isDirectory()) {
+                IrisData data = new IrisData(i, true);
+                for (IrisScript j : data.getScriptLoader().loadAll(data.getScriptLoader().getPossibleKeys()))
+                {
+                    p.putIfAbsent(j.getLoadKey(), j);
+                }
+
+                data.close();
+            }
+        }
+
+        return p.v();
+    }
+
+    @Override
+    public String toString(IrisScript script) {
+        return script.getLoadKey();
+    }
+
+    @Override
+    public IrisScript parse(String in) throws DecreeParsingException, DecreeWhichException {
+        try
+        {
+            KList<IrisScript> options = getPossibilities(in);
+
+            if(options.isEmpty())
+            {
+                throw new DecreeParsingException("Unable to find Script \"" + in + "\"");
+            }
+
+            else if(options.size() > 1)
+            {
+                throw new DecreeWhichException();
+            }
+
+            return options.get(0);
+        }
+        catch(DecreeParsingException e){
+            throw e;
+        }
+        catch(Throwable e)
+        {
+            throw new DecreeParsingException("Unable to find Script \"" + in + "\" because of an uncaught exception: " + e);
+        }
+    }
+
+    @Override
+    public boolean supports(Class<?> type) {
+        return type.equals(IrisScript.class);
+    }
+
+    @Override
+    public String getRandomDefault()
+    {
+        return "script";
+    }
+}