Implemented addRecipe method in CraftServer and associated recipe classes.

src/main/java/org/bukkit/craftbukkit/inventory/CraftFurnaceRecipe.java

@@ -0,0 +1,34 @@
+package org.bukkit.craftbukkit.inventory;
+
+import net.minecraft.server.FurnaceRecipes;
+
+import org.bukkit.Material;
+import org.bukkit.inventory.FurnaceRecipe;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.material.MaterialData;
+
+public class CraftFurnaceRecipe extends FurnaceRecipe implements CraftRecipe {
+    public CraftFurnaceRecipe(ItemStack result, Material source) {
+        super(result, source);
+    }
+
+    public CraftFurnaceRecipe(ItemStack result, MaterialData source) {
+        super(result, source);
+    }
+
+    public static CraftFurnaceRecipe fromBukkitRecipe(FurnaceRecipe recipe) {
+        if (recipe instanceof CraftFurnaceRecipe) {
+            return (CraftFurnaceRecipe) recipe;
+        }
+        return new CraftFurnaceRecipe(recipe.getResult(), recipe.getInput());
+    }
+
+    public void addToCraftingManager() {
+        ItemStack result = this.getResult();
+        MaterialData input = this.getInput();
+        int id = result.getTypeId();
+        int amount = result.getAmount();
+        int dmg = result.getDurability();
+        FurnaceRecipes.a().a(input.getItemTypeId(), new net.minecraft.server.ItemStack(id, amount, dmg));
+    }
+}

src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java

@@ -0,0 +1,7 @@
+package org.bukkit.craftbukkit.inventory;
+
+import org.bukkit.inventory.Recipe;
+
+public interface CraftRecipe extends Recipe {
+    void addToCraftingManager();
+}

src/main/java/org/bukkit/craftbukkit/inventory/CraftShapedRecipe.java

@@ -0,0 +1,54 @@
+package org.bukkit.craftbukkit.inventory;
+
+import java.util.HashMap;
+
+import net.minecraft.server.CraftingManager;
+
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.ShapedRecipe;
+import org.bukkit.material.MaterialData;
+
+public class CraftShapedRecipe extends ShapedRecipe implements CraftRecipe {
+    public CraftShapedRecipe(ItemStack result) {
+        super(result);
+    }
+
+    public static CraftShapedRecipe fromBukkitRecipe(ShapedRecipe recipe) {
+        if (recipe instanceof CraftShapedRecipe) {
+            return (CraftShapedRecipe) recipe;
+        }
+        CraftShapedRecipe ret = new CraftShapedRecipe(recipe.getResult());
+        String[] shape = recipe.getShape();
+        ret.shape(shape);
+        for (char c : recipe.getIngredientMap().keySet()) {
+            ret.setIngredient(c, recipe.getIngredientMap().get(c));
+        }
+        return ret;
+    }
+
+    public void addToCraftingManager() {
+        Object[] data;
+        String[] shape = this.getShape();
+        HashMap<Character, MaterialData> ingred = this.getIngredientMap();
+        int datalen = shape.length;
+        datalen += ingred.size() * 2;
+        int i = 0;
+        data = new Object[datalen];
+        for (; i < shape.length; i++) {
+            data[i] = shape[i];
+        }
+        for (char c : ingred.keySet()) {
+            data[i] = c;
+            i++;
+            MaterialData mdata = ingred.get(c);
+            int id = mdata.getItemTypeId();
+            byte dmg = mdata.getData();
+            data[i] = new net.minecraft.server.ItemStack(id, 1, dmg);
+            i++;
+        }
+        int id = this.getResult().getTypeId();
+        int amount = this.getResult().getAmount();
+        short durability = this.getResult().getDurability();
+        CraftingManager.a().a(new net.minecraft.server.ItemStack(id, amount, durability), data);
+    }
+}

src/main/java/org/bukkit/craftbukkit/inventory/CraftShapelessRecipe.java

@@ -0,0 +1,42 @@
+package org.bukkit.craftbukkit.inventory;
+
+import java.util.ArrayList;
+
+import net.minecraft.server.CraftingManager;
+
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.ShapelessRecipe;
+import org.bukkit.material.MaterialData;
+
+public class CraftShapelessRecipe extends ShapelessRecipe implements CraftRecipe {
+    public CraftShapelessRecipe(ItemStack result) {
+        super(result);
+    }
+
+    public static CraftShapelessRecipe fromBukkitRecipe(ShapelessRecipe recipe) {
+        if (recipe instanceof CraftShapelessRecipe) {
+            return (CraftShapelessRecipe) recipe;
+        }
+        CraftShapelessRecipe ret = new CraftShapelessRecipe(recipe.getResult());
+        for (MaterialData ingred : recipe.getIngredientList()) {
+            ret.addIngredient(ingred);
+        }
+        return ret;
+    }
+
+    public void addToCraftingManager() {
+        ArrayList<MaterialData> ingred = this.getIngredientList();
+        Object[] data = new Object[ingred.size()];
+        int i = 0;
+        for (MaterialData mdata : ingred) {
+            int id = mdata.getItemTypeId();
+            byte dmg = mdata.getData();
+            data[i] = new net.minecraft.server.ItemStack(id, 1, dmg);
+            i++;
+        }
+        int id = this.getResult().getTypeId();
+        int amount = this.getResult().getAmount();
+        short durability = this.getResult().getDurability();
+        CraftingManager.a().b(new net.minecraft.server.ItemStack(id, amount, durability), data);
+    }
+}