AdvancementJsonHelper.java

package com.hm.achievement.advancement;

import static com.hm.achievement.advancement.AchievementAdvancement.CRITERIA_NAME;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.text.StringEscapeUtils;

/**
 * Class used to generate JSON strings for advancements.
 * 
 * @author Pyves
 */
public class AdvancementJsonHelper {

	public static String toJson(AchievementAdvancement aa) {
		return "{\n" +
				"  \"criteria\":{\n" +
				"    \"" + CRITERIA_NAME + "\":{\n" +
				"      \"trigger\":\"minecraft:impossible\"\n" +
				"    }\n" +
				"  },\n" +
				"  \"requirements\":[\n" +
				"    [\n" +
				"      \"" + CRITERIA_NAME + "\"\n" +
				"    ]\n" +
				"  ],\n" +
				"  \"display\":{\n" +
				"    \"icon\":{\n" +
				"      \"item\":\"" + aa.getIconItem() + "\"" + getIntegerFieldOrEmpty("data", aa.getIconData()) + "\n" +
				"    },\n" +
				"    \"title\":\"" + StringEscapeUtils.escapeJson(aa.getTitle()) + "\",\n" +
				"    \"description\":\"" + StringEscapeUtils.escapeJson(aa.getDescription()) + "\",\n" +
				"    \"frame\":\"" + aa.getFrame() + "\",\n" +
				"    \"announce_to_chat\":false" +
				getStringFieldOrLineBreak("background", aa.getBackground(), 4) +
				"  }" +
				getStringFieldOrLineBreak("parent", aa.getParent(), 2) +
				"}\n";
	}

	public static String toHiddenJson(String background) {
		return "{\n" +
				"  \"criteria\":{\n" +
				"    \"" + CRITERIA_NAME + "\":{\n" +
				"      \"trigger\":\"minecraft:impossible\"\n" +
				"    }\n" +
				"  },\n" +
				"  \"requirements\":[\n" +
				"    [\n" +
				"      \"" + CRITERIA_NAME + "\"\n" +
				"    ]\n" +
				"  ],\n" +
				"  \"background\":\"" + background + "\"\n" +
				"}\n";
	}

	private static String getIntegerFieldOrEmpty(String key, String value) {
		return value == null ? "" : ",\"" + key + "\":" + value;
	}

	private static String getStringFieldOrLineBreak(String key, String value, int spacing) {
		return value == null ? "\n" : ",\n" + StringUtils.repeat(' ', spacing) + "\"" + key + "\":\"" + value + "\"\n";
	}

	private AdvancementJsonHelper() {
		// Not called.
	}

}