[GitHub] [apisix] arthur-zhang commented on a change in pull request #5016: feat: xml-json-conversion plugin convert xml data from request body to json response, and vice versa

[GitBox <gi...@apache.org>]

arthur-zhang commented on a change in pull request #5016:
URL: https://github.com/apache/apisix/pull/5016#discussion_r709725297



##########
File path: apisix/plugins/xml-json-conversion.lua
##########
@@ -0,0 +1,156 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You 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.
+--
+
+local core    = require("apisix.core")
+local xml2lua = require("xml2lua")
+local handler = require("xmlhandler.tree")
+local cjson   = require('cjson.safe')
+local string  = require("string")
+
+local schema = {
+    type = "object",
+    properties = {
+        from = {
+            type = "string",
+            enum = {"json", "xml"},
+            default = "xml"
+        },
+        to = {
+            type = "string",
+            enum = {"json", "xml"},
+            default = "json"
+        }
+    },
+    additionalProperties = false,
+}
+
+local plugin_name = "xml-json-conversion"
+
+local _M = {
+    version = 0.1,
+    priority = 90,
+    name = plugin_name,
+    schema = schema,
+}
+
+function _M.check_schema(conf)
+    return core.schema.check(schema, conf)
+end
+
+local function xml2json(xml_data)
+    local convertHandler = handler:new()
+    local parser = xml2lua.parser(convertHandler)
+    parser:parse(xml_data)
+    return 200, cjson.encode(convertHandler.root)
+end
+
+local function json2xml(table_data)
+    local xmlStr = xml2lua.toXml(cjson.decode(table_data))
+    xmlStr = string.gsub(xmlStr, "%s+", "")

Review comment:
       I think Camel-Case naming is not good here




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