1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/sl4a/src/main/java/com/google/android/mobly/snippet/rpc/JsonRpcResult.java b/third_party/sl4a/src/main/java/com/google/android/mobly/snippet/rpc/JsonRpcResult.java
new file mode 100644
index 0000000..90cf8f9
--- /dev/null
+++ b/third_party/sl4a/src/main/java/com/google/android/mobly/snippet/rpc/JsonRpcResult.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.mobly.snippet.rpc;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * Represents a JSON RPC result.
+ *
+ * @see <a href="http://json-rpc.org/wiki/specification">http://json-rpc.org/wiki/specification</a>
+ */
+public class JsonRpcResult {
+
+    private JsonRpcResult() {
+        // Utility class.
+    }
+
+    public static JSONObject empty(int id) throws JSONException {
+        JSONObject json = new JSONObject();
+        json.put("id", id);
+        json.put("result", JSONObject.NULL);
+        json.put("callback", JSONObject.NULL);
+        json.put("error", JSONObject.NULL);
+        return json;
+    }
+
+    public static JSONObject result(int id, Object data) throws JSONException {
+        JSONObject json = new JSONObject();
+        json.put("id", id);
+        json.put("result", JsonBuilder.build(data));
+        json.put("callback", JSONObject.NULL);
+        json.put("error", JSONObject.NULL);
+        return json;
+    }
+
+    public static JSONObject callback(int id, Object data, String callbackId) throws JSONException {
+        JSONObject json = new JSONObject();
+        json.put("id", id);
+        json.put("result", JsonBuilder.build(data));
+        json.put("callback", callbackId);
+        json.put("error", JSONObject.NULL);
+        return json;
+    }
+
+    public static JSONObject error(int id, Throwable t) throws JSONException {
+        String stackTrace = getStackTrace(t);
+        JSONObject json = new JSONObject();
+        json.put("id", id);
+        json.put("result", JSONObject.NULL);
+        json.put("callback", JSONObject.NULL);
+        json.put("error", stackTrace);
+        return json;
+    }
+
+    public static String getStackTrace(Throwable throwable) {
+        StringWriter stackTraceWriter = new StringWriter();
+        stackTraceWriter.write("\n-------------- Java Stacktrace ---------------\n");
+        throwable.printStackTrace(new PrintWriter(stackTraceWriter));
+        stackTraceWriter.write("----------------------------------------------");
+        return stackTraceWriter.toString();
+    }
+}