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/*
* This file is part of spark.
*
* Copyright (c) lucko (Luck) <luck@lucko.me>
* Copyright (c) contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package me.lucko.spark.common.util;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public final class Configuration {
private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
private final Path file;
private JsonObject root;
public Configuration(Path file) {
this.file = file;
load();
}
public void load() {
JsonObject root = null;
if (Files.exists(this.file)) {
try (BufferedReader reader = Files.newBufferedReader(this.file, StandardCharsets.UTF_8)) {
root = GSON.fromJson(reader, JsonObject.class);
} catch (IOException e) {
e.printStackTrace();
}
}
if (root == null) {
root = new JsonObject();
root.addProperty("_header", "spark configuration file - https://spark.lucko.me/docs/Configuration");
}
this.root = root;
}
public void save() {
try {
Files.createDirectories(this.file.getParent());
} catch (IOException e) {
// ignore
}
try (BufferedWriter writer = Files.newBufferedWriter(this.file, StandardCharsets.UTF_8)) {
GSON.toJson(this.root, writer);
} catch (IOException e) {
e.printStackTrace();
}
}
public String getString(String path, String def) {
JsonElement el = this.root.get(path);
if (el == null || !el.isJsonPrimitive()) {
return def;
}
return el.getAsJsonPrimitive().getAsString();
}
public boolean getBoolean(String path, boolean def) {
JsonElement el = this.root.get(path);
if (el == null || !el.isJsonPrimitive()) {
return def;
}
JsonPrimitive val = el.getAsJsonPrimitive();
return val.isBoolean() ? val.getAsBoolean() : def;
}
public int getInteger(String path, int def) {
JsonElement el = this.root.get(path);
if (el == null || !el.isJsonPrimitive()) {
return def;
}
JsonPrimitive val = el.getAsJsonPrimitive();
return val.isBoolean() ? val.getAsInt() : def;
}
public List<String> getStringList(String path) {
JsonElement el = this.root.get(path);
if (el == null || !el.isJsonArray()) {
return Collections.emptyList();
}
List<String> list = new ArrayList<>();
for (JsonElement child : el.getAsJsonArray()) {
if (child.isJsonPrimitive()) {
list.add(child.getAsJsonPrimitive().getAsString());
}
}
return list;
}
public void setString(String path, String value) {
this.root.add(path, new JsonPrimitive(value));
}
public void setBoolean(String path, boolean value) {
this.root.add(path, new JsonPrimitive(value));
}
public void setInteger(String path, int value) {
this.root.add(path, new JsonPrimitive(value));
}
public void setStringList(String path, List<String> value) {
JsonArray array = new JsonArray();
for (String str : value) {
array.add(str);
}
this.root.add(path, array);
}
public boolean contains(String path) {
return this.root.has(path);
}
public void remove(String path) {
this.root.remove(path);
}
}
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