1 files changed, 97 insertions, 0 deletions
diff --git a/opendc-common/src/main/kotlin/org/opendc/common/utils/ConfigParser.kt b/opendc-common/src/main/kotlin/org/opendc/common/utils/ConfigParser.kt
new file mode 100644
index 00000000..e6f18da5
--- /dev/null
+++ b/opendc-common/src/main/kotlin/org/opendc/common/utils/ConfigParser.kt
@@ -0,0 +1,97 @@
+package org.opendc.common.utils
+
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.decodeFromStream
+
+import java.io.File
+import java.io.IOException
+import java.io.InputStream
+import java.io.OutputStream
+import java.net.Socket
+import java.sql.Connection
+
+/**
+ * @author Mateusz
+ * @property name
+ * @property backlog the amount of connections to accept
+ * @property address IPv4 address
+ * @property port
+ * @property postgresql Postgresql port
+ * @property username Postgresql user
+ * @property password Postgresql password
+ * @property database Postgresql database
+ * @property topic Kafka topic
+ * @property kafka Kafka port
+ */
+@Serializable
+public data class Config(
+    val name: String = "",
+    var backlog: Int = 0,
+    val address: String = "",
+    val port: Int = 0,
+    val postgresql: Int = 0,
+    val username : String = "",
+    val password : String = "",
+    val database: String = "",
+    val topic : String = "",
+    val kafka: Int = 0,
+){
+
+    public companion object{
+        public var input: InputStream? = null
+        public var output: OutputStream? = null
+        public var connection : Connection? = null
+        public var kafka : Kafka? = null
+        public var database : PostgresqlDB? = null
+
+        public var socket: Socket? = null
+
+        public fun setConfigSocket(socket: Socket?){
+            this.socket = socket
+            try {
+                input = socket?.getInputStream()
+                output = socket?.getOutputStream()
+            } catch (e: IOException){
+                print("${e.message}")
+            }
+        }
+
+        public fun getConfigReader() : InputStream? {
+            return input
+        }
+
+        public fun getConfigWriter() : OutputStream? {
+            return output
+        }
+
+        public fun setKafkaInstance(kafka : Kafka) {
+            this.kafka = kafka
+        }
+
+        public fun getKafkaInstance() : Kafka? {
+            return this.kafka
+        }
+
+        public fun setDB(db : PostgresqlDB){
+            this.database = db
+        }
+
+        public fun getDB() : PostgresqlDB?{
+            return this.database
+        }
+        }
+}
+/**
+ * @author Mateusz
+ * Reads `config.json` into Config data class.
+ */
+public class ConfigReader {
+    private val jsonReader = Json
+    public fun read(file: File): Config = read(file.inputStream())
+    @OptIn(ExperimentalSerializationApi::class)
+    public fun read(input: InputStream): Config {
+        return jsonReader.decodeFromStream<Config>(input)
+    }
+}