删除 JSON 数组中特定 JSON 对象出现的 WSO2 调解器

Question

这是我第一次在 wso2 中使用 json 数组转换响应。我正在创建一个 wso2 流出调解器，用于删除 json 数组响应

中的特定 json 对象

使用 payloadfactory 序列中介，我试图从 json 数组中删除 json 对象 "price"。我遵循了 wso2 文档，但它的以太我得到了一个空体响应，或者 wso2 拒绝了流出序列。

示例响应：

{
  "results": [
    {
      "name": "user",
      "item": "test",
      "price": {
        "pricePerItem": 2.0,
        "currency": "USD"
      },
      "stat": {
        "groupId": 3,
        "groupName": "DELIVERED",
      }
    },
    {
      "name": "user2",
      "item": "test2",
      "price": {
        "pricePerItem": 4.0,
        "currency": "USD"
      },
      "stat": {
        "groupId": 4,
        "groupName": "DELIVERED",
      }
    }
    ]
}

我的流出码：

<?xml version="1.0" encoding="UTF-8"?>
<sequence name="test_outflow.xml" trace="disable" xmlns="http://ws.apache.org/ns/synapse">
  <payloadFactory media-type="json">
        <format>
                
        </format>
        <args>
            <arg evaluator="json" expression="$.results"/>
        </args>
</payloadFactory>
 <script language="js"><![CDATA[
    var payload = mc.getPayloadJSON();
    results = payload.results;
    response = new Array();
           for (i = 0; i &lt; results.length; ++i) {
           delete payload[i].id;
           response[i] = l;
           }
           mc.setPayloadJSON(response);
           ]]></script>
 <property name="messageType" scope="axis2" type="STRING" value="application/json"/>
</sequence>

预期结果：

{
  "results": [
    {
      "name": "user",
      "item": "test",
      "stat": {
        "groupId": 3,
        "groupName": "DELIVERED",
      }
    },
    {
      "name": "user2",
      "item": "test2",
      "stat": {
        "groupId": 4,
        "groupName": "DELIVERED",
      }
    }
    ]
}

你们有遇到过这种情况吗？谢谢！

Answer 1

您可以使用以下内联脚本来实现您的要求

<script language="js" xmlns="http://ws.apache.org/ns/synapse"><![CDATA[
    var payload = mc.getPayloadJSON();
    var results = payload.results;
    var response = new Array();
    for (var i = 0; i < results.length; ++i) {
        delete results[i].price;
        response[i] = results[i];
    }
    payload.results = response;
    mc.setPayloadJSON(payload);
]]></script>

下面给出了为以下模拟要求开发的示例输出序列（突触）

实际响应（在 mod 之前）：

{
  "results": [
    {
      "name": "Athiththan",
      "price": {
        "value": 120
      }
    },
    {
      "name": "athiththan11",
      "price": {
        "value": 100
      }
    }
  ]
}

异常响应（在 mod 之后）：

{
  "results": [
    {
      "name": "Athiththan"
    },
    {
      "name": "athiththan11"
    }
  ]
}

输出序列突触配置：

<?xml version="1.0" encoding="UTF-8"?>
<outSequence xmlns="http://ws.apache.org/ns/synapse">
    <script language="js"><![CDATA[
        var payload = mc.getPayloadJSON();
        var results = payload.results;
        var response = new Array();
        for (var i = 0; i < results.length; ++i) {
            delete results[i].price;
            response[i] = results[i];
        }
        payload.results = response;
        mc.setPayloadJSON(payload);
    ]]></script>
    <send/>
</outSequence>

删除 JSON 数组中特定 JSON 对象出现的 WSO2 调解器

WSO2 Mediator that removes specific JSONobject occurrences within a JSON array

javascript

mediator

wso2-am