net.minecraftforge.common.crafting.JsonContext.java Source code

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Here is the source code for net.minecraftforge.common.crafting.JsonContext.java

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/*
 * Minecraft Forge
 * Copyright (c) 2016.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation version 2.1
 * of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package net.minecraftforge.common.crafting;

import java.util.Map;

import javax.annotation.Nullable;

import com.google.common.collect.Maps;
import com.google.gson.JsonObject;
import com.google.gson.JsonSyntaxException;

import net.minecraft.item.crafting.Ingredient;
import net.minecraft.util.JsonUtils;

public class JsonContext {
    private String modId;
    private Map<String, Ingredient> constants = Maps.newHashMap();

    public JsonContext(String modId) {
        this.modId = modId;
    }

    public String getModId() {
        return this.modId;
    }

    public String appendModId(String data) {
        if (data.indexOf(':') == -1)
            return modId + ":" + data;
        return data;
    }

    @Nullable
    public Ingredient getConstant(String name) {
        return constants.get(name);
    }

    void loadConstants(JsonObject[] jsons) {
        for (JsonObject json : jsons) {
            if (json.has("conditions")
                    && !CraftingHelper.processConditions(json.getAsJsonArray("conditions"), this))
                continue;
            if (!json.has("ingredient"))
                throw new JsonSyntaxException("Constant entry must contain 'ingredient' value");
            constants.put(JsonUtils.getString(json, "name"),
                    CraftingHelper.getIngredient(json.get("ingredient"), this));
        }

    }
}