Fix the issue that fastjson serializes basic type as string with quotes #256

fizz-common/src/main/java/we/util/TypeUtils.java

@@ -0,0 +1,65 @@
+/*
+ *  Copyright (C) 2021 the original author or authors.
+ *
+ *  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
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+package we.util;
+
+import java.math.BigDecimal;
+
+/**
+ * @author Francis Dong
+ */
+
+public abstract class TypeUtils {
+
+	public static boolean isBasicType(Object obj) {
+		if (obj == null) {
+			return false;
+		}
+		if (obj instanceof String) {
+			return true;
+		}
+		if (obj instanceof Integer) {
+			return true;
+		}
+		if (obj instanceof Long) {
+			return true;
+		}
+		if (obj instanceof Double) {
+			return true;
+		}
+		if (obj instanceof Float) {
+			return true;
+		}
+		if (obj instanceof Boolean) {
+			return true;
+		}
+		if (obj instanceof Byte) {
+			return true;
+		}
+		if (obj instanceof Short) {
+			return true;
+		}
+		if (obj instanceof Character) {
+			return true;
+		}
+		if (obj instanceof BigDecimal) {
+			return true;
+		}
+		return false;
+	}
+
+}

fizz-core/src/main/java/we/fizz/input/extension/request/RequestInput.java

@@ -59,6 +59,7 @@ import we.proxy.FizzWebClient;
 import we.proxy.http.HttpInstanceService;
 import we.util.JacksonUtils;
 import we.util.MapUtil;
+import we.util.TypeUtils;
 import we.xml.JsonToXml;
 import we.xml.XmlToJson;
 import we.xml.XmlToJson.Builder;
@@ -363,10 +364,19 @@ public class RequestInput extends RPCInput implements IInput{
 		if (CONTENT_TYPE_XML.equals(reqContentType) || CONTENT_TYPE_TEXT_XML.equals(reqContentType)) {
 			// convert JSON to XML if it is XML content type
 			request.put("jsonBody", request.get("body"));
-			String jsonStr = JSON.toJSONString(request.get("body"));
+			String jsonStr = null;
+			if (TypeUtils.isBasicType(request.get("body"))) {
+				jsonStr = request.get("body").toString();
+			} else {
+				jsonStr = JSON.toJSONString(request.get("body"));
+			}
 			LOGGER.info("jsonBody={}", jsonStr);
-			JsonToXml jsonToXml = new JsonToXml.Builder(jsonStr).build();
+			if (jsonStr.startsWith("{") || jsonStr.startsWith("[")) {
-			body = jsonToXml.toString();
+				JsonToXml jsonToXml = new JsonToXml.Builder(jsonStr).build();
+				body = jsonToXml.toString();
+			} else {
+				body = jsonStr;
+			}
 			request.put("body", body);
 			LOGGER.info("body={}", body);
 			LOGGER.info("headers={}", JSON.toJSONString(headers));
@@ -379,7 +389,11 @@ public class RequestInput extends RPCInput implements IInput{
 		} else if (CONTENT_TYPE_FORM_URLENCODED.equals(reqContentType)) {
 			body = BodyInserters.fromFormData(MapUtil.toMultiValueMap((Map<String, Object>) request.get("body")));
 		} else {
-			body = JSON.toJSONString(request.get("body"));
+			if (TypeUtils.isBasicType(request.get("body"))) {
+				body = request.get("body").toString();
+			} else {
+				body = JSON.toJSONString(request.get("body"));
+			}
 		}
 		
 		HttpMethod aggrMethod = HttpMethod.valueOf(inputContext.getStepContext().getInputReqAttr("method").toString());