Add JSON result getters for command outputs

1 files changed, 31 insertions, 0 deletions

diff --git a/CommandLineWrapper/JsonResults/JsonResultGetter.cs b/CommandLineWrapper/JsonResults/JsonResultGetter.cs
new file mode 100644
index 0000000..e1bf607
--- /dev/null
+++ b/CommandLineWrapper/JsonResults/JsonResultGetter.cs
@@ -0,0 +1,31 @@
+using static JVCSCommandInvoker;
+
+namespace CommandLineWrapper.JsonResults
+{
+    public abstract class JsonResultGetter<TJsonFormat>
+    {
+        protected abstract Task<InvokeResult> ExecCommand(JVCSWorkspace workspace);
+
+        public async Task<TJsonFormat?> Get(JVCSWorkspace workspace)
+        {
+            var result = await ExecCommand(workspace);
+            var output = result.StandardOutput;
+
+            string trimmedOutput = output?.Trim() ?? "{}";
+            if (!string.IsNullOrEmpty(trimmedOutput) && trimmedOutput.StartsWith("{") && trimmedOutput.EndsWith("}"))
+            {
+                var options = new System.Text.Json.JsonSerializerOptions
+                {
+                    PropertyNameCaseInsensitive = true,
+                    PropertyNamingPolicy = null,
+                };
+
+                options.Converters.Add(new System.Text.Json.Serialization.JsonStringEnumConverter());
+
+                return System.Text.Json.JsonSerializer.Deserialize<TJsonFormat>(trimmedOutput, options);
+            }
+
+            return default(TJsonFormat);
+        }
+    }
+}