Some basic config options

1 files changed, 70 insertions, 0 deletions

diff --git a/spark-common/src/main/java/me/lucko/spark/common/util/Configuration.java b/spark-common/src/main/java/me/lucko/spark/common/util/Configuration.java
new file mode 100644
index 0000000..7588645
--- /dev/null
+++ b/spark-common/src/main/java/me/lucko/spark/common/util/Configuration.java
@@ -0,0 +1,70 @@
+/*
+ * 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.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonPrimitive;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public final class Configuration {
+    private static final JsonParser PARSER = new JsonParser();
+
+    private final JsonObject root;
+
+    public Configuration(Path file) {
+        JsonObject root = null;
+        if (Files.exists(file)) {
+            try (BufferedReader reader = Files.newBufferedReader(file, StandardCharsets.UTF_8)) {
+                root = PARSER.parse(reader).getAsJsonObject();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        this.root = root != null ? root : new JsonObject();
+    }
+
+    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;
+    }
+
+}