up

app/src/main/java/io/legado/app/utils/GsonExtensions.kt

@@ -1,5 +1,34 @@
 package io.legado.app.utils
 
+import android.text.TextUtils
 import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.google.gson.JsonParser
 
-inline fun <reified T> Gson.fromJson(json: String) = fromJson(json, T::class.java)
+inline fun <reified T> Gson.fromJson(json: String): T = fromJson(json, T::class.java)
+
+inline fun <reified T> Gson.arrayFromJson(json: String): ArrayList<T>? = kotlin.run {
+    var result: ArrayList<T>? = null
+    if (!TextUtils.isEmpty(json)) {
+        val gson = GsonBuilder().create()
+        try {
+            val parser = JsonParser()
+            val jArray = parser.parse(json).asJsonArray
+            jArray?.let {
+                result = java.util.ArrayList()
+                for (obj in it) {
+                    try {
+                        val cse = gson.fromJson(obj, T::class.java)
+                        result?.add(cse)
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                    }
+                }
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+    }
+    return result
+}