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Json 返回列表中的列表

发布于 2024-11-25 12:51:15 字数 4982 浏览 9 评论 0原文

我是使用 JSON 的新手，我很难在列表中专门返回一个列表。我得到以下 JSON：

{
    "parameters": {
        "tbdb": "trudon",
        "min_prefix_length": "2",
        "service": "prefix",
        "template": "service.json",
        "term_prefix": "plu"},
    "termHints": [
        {
            "name": "Plumbers & Sanitary Engineers",
            "id":"209654",
            "values": {
                "value":"Plumbers & Sanitary Engineers",
                "pre_em":"",
                "em":"Plu",
                "post_em":"mbers & Sanitary Engineers",
                "nature":"PT",
                "id":"209654"
            }
        },
    ],
    "facets": [
        {
            "id":"209654",
            "name":"Plumbers & Sanitary Engineers"
        }
    ],
    "total":1
}

我已使用 JSON DataContractJsonSerializer 对其进行反序列化，它看起来如下所示：

编辑：在此处进行了 carlosfigueira 建议的更改

    [DataContract]
    public class AutoCompleteResponse
    {
        [DataMember(Name = "parameters")]
        public Parameter Parameters { get; set; }
        [DataMember(Name = "termHints")]
        public List<termHints> hints { get; set; }
        [DataMember(Name = "total")]
        public string Total { get; set; }
    }
    [DataContract]
    public class Parameter
    {
        [DataMember(Name = "tbdb")]
        public string tbdb { get; set; }
        [DataMember(Name = "min_prefix_length")]
        public string min_prefix_length { get; set; }
        [DataMember(Name = "service")]
        public string service { get; set; }
        [DataMember(Name = "template")]
        public string template { get; set; }
        [DataMember(Name = "term_prefix")]
        public string term_prefrix { get; set; }
    }
    [DataContract]
    public class termHints
    {
        [DataMember(Name = "name")]
        public string Name { get; set; }
        [DataMember(Name = "id")]
        public string id { get; set; }
        [DataMember(Name = "values")]
        public values Values { get; set; }
        [DataMember(Name = "facets")]
        public facets Facets { get; set; }

    }
    [DataContract]
    public class values
    {
        [DataMember(Name = "value")]
        public string value_name { get; set; }
        [DataMember(Name = "pre_em")]
        public string pre_em { get; set; }
        [DataMember(Name = "em")]
        public string em { get; set; }
        [DataMember(Name = "post_em")]
        public string post_em { get; set; }
        [DataMember(Name = "nature")]
        public string nature { get; set; }
        [DataMember(Name = "id")]
        public string value_id { get; set; }
    }
    [DataContract]
    public class facets
    {
        [DataMember(Name = "id")]
        public string facet_id { get; set; }
        [DataMember (Name = "name")]
        public string facet_name {get; set; }
    }

序列化我do 如下所示：

    WebClient w = new WebClient();
    w.DownloadStringCompleted += (a, b) =>
    {
        // Check for errors
        if (b == null) { return; }
        if (b.Error != null) { return; }
        if (string.IsNullOrEmpty(b.Result)) { return; }

        // Desearealize from JSON to .NET objects
        Byte[] bytes = Encoding.Unicode.GetBytes(b.Result);
        MemoryStream memoryStream = new MemoryStream(bytes);
        DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
        AutoCompleteResponse autocompleteSearchResponse = dataContractJsonSerializer.ReadObject(memoryStream) as AutoCompleteResponse;
        memoryStream.Close();

        // Raise Event
        this.OnSearchCompleted(
            new WhatEventArgs()
            {
                response = autocompleteSearchResponse
            }
        );
    };
    w.DownloadStringAsync(builder.Uri);

我创建的返回如下所示：

    public class WhatEventArgs : EventArgs
    {
        public AutoCompleteResponse response { get; set; }
    }

*编辑：添加用于在此处获取数据的代码，以防这有帮助...这就是我从值获取数据的方式，也许我我正在做某事错误，但我没有得到任何数据（它是空的），而且我不知道我做错了什么*

    protected void cmdSearch_Click(object sender, EventArgs e)
    {
        AutocompleteWhat search = new AutocompleteWhat()
        {
            Num = 2
        };
        search.SearchCompleted += (a, b) =>
        {
            List<values> _value = new List<values>();
            foreach (termHints item in b.response.hints)
            {
                _value.Add(item.Values);
            }
            if (_value.Count > 0)
            {
                dgvResults.DataSource = _value;
            }
            else
            {
                dgvResults.DataSource = null;
            }
            dgvResults.DataBind();
        };
        search.Search("plu");
    }

我现在需要从提示中获取实际值，但是从值返回的数据是空的。我不知道为什么，请看看你是否能看到我看不到的东西。

编辑修复了 Json，缺少“facet”的结束 ]

原文

I am new to using JSON and I am struggling to return specifically a list, within a list. I get the following JSON:

{
    "parameters": {
        "tbdb": "trudon",
        "min_prefix_length": "2",
        "service": "prefix",
        "template": "service.json",
        "term_prefix": "plu"},
    "termHints": [
        {
            "name": "Plumbers & Sanitary Engineers",
            "id":"209654",
            "values": {
                "value":"Plumbers & Sanitary Engineers",
                "pre_em":"",
                "em":"Plu",
                "post_em":"mbers & Sanitary Engineers",
                "nature":"PT",
                "id":"209654"
            }
        },
    ],
    "facets": [
        {
            "id":"209654",
            "name":"Plumbers & Sanitary Engineers"
        }
    ],
    "total":1
}

I have desrialized this using the the JSON DataContractJsonSerializer and it looks like the following:

edited: made the changes that were suggested by carlosfigueira here

    [DataContract]
    public class AutoCompleteResponse
    {
        [DataMember(Name = "parameters")]
        public Parameter Parameters { get; set; }
        [DataMember(Name = "termHints")]
        public List<termHints> hints { get; set; }
        [DataMember(Name = "total")]
        public string Total { get; set; }
    }
    [DataContract]
    public class Parameter
    {
        [DataMember(Name = "tbdb")]
        public string tbdb { get; set; }
        [DataMember(Name = "min_prefix_length")]
        public string min_prefix_length { get; set; }
        [DataMember(Name = "service")]
        public string service { get; set; }
        [DataMember(Name = "template")]
        public string template { get; set; }
        [DataMember(Name = "term_prefix")]
        public string term_prefrix { get; set; }
    }
    [DataContract]
    public class termHints
    {
        [DataMember(Name = "name")]
        public string Name { get; set; }
        [DataMember(Name = "id")]
        public string id { get; set; }
        [DataMember(Name = "values")]
        public values Values { get; set; }
        [DataMember(Name = "facets")]
        public facets Facets { get; set; }

    }
    [DataContract]
    public class values
    {
        [DataMember(Name = "value")]
        public string value_name { get; set; }
        [DataMember(Name = "pre_em")]
        public string pre_em { get; set; }
        [DataMember(Name = "em")]
        public string em { get; set; }
        [DataMember(Name = "post_em")]
        public string post_em { get; set; }
        [DataMember(Name = "nature")]
        public string nature { get; set; }
        [DataMember(Name = "id")]
        public string value_id { get; set; }
    }
    [DataContract]
    public class facets
    {
        [DataMember(Name = "id")]
        public string facet_id { get; set; }
        [DataMember (Name = "name")]
        public string facet_name {get; set; }
    }

The serialization I do looks like the following:

    WebClient w = new WebClient();
    w.DownloadStringCompleted += (a, b) =>
    {
        // Check for errors
        if (b == null) { return; }
        if (b.Error != null) { return; }
        if (string.IsNullOrEmpty(b.Result)) { return; }

        // Desearealize from JSON to .NET objects
        Byte[] bytes = Encoding.Unicode.GetBytes(b.Result);
        MemoryStream memoryStream = new MemoryStream(bytes);
        DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
        AutoCompleteResponse autocompleteSearchResponse = dataContractJsonSerializer.ReadObject(memoryStream) as AutoCompleteResponse;
        memoryStream.Close();

        // Raise Event
        this.OnSearchCompleted(
            new WhatEventArgs()
            {
                response = autocompleteSearchResponse
            }
        );
    };
    w.DownloadStringAsync(builder.Uri);

The return I create looks like the following:

    public class WhatEventArgs : EventArgs
    {
        public AutoCompleteResponse response { get; set; }
    }

*edit: adding the code that is used to get the data here incase this is helpful... This is how I am getting the data from the values, perhaps I am doing something wrong but I am not getting any data (it's null) and I have no idea what I have done wrong *

    protected void cmdSearch_Click(object sender, EventArgs e)
    {
        AutocompleteWhat search = new AutocompleteWhat()
        {
            Num = 2
        };
        search.SearchCompleted += (a, b) =>
        {
            List<values> _value = new List<values>();
            foreach (termHints item in b.response.hints)
            {
                _value.Add(item.Values);
            }
            if (_value.Count > 0)
            {
                dgvResults.DataSource = _value;
            }
            else
            {
                dgvResults.DataSource = null;
            }
            dgvResults.DataBind();
        };
        search.Search("plu");
    }

I now need to get the actual values from hints, however the data returned from values is empty. I have no idea why, please see if you can see what I can not see.

edit Fixed the Json, was missing the closing ] for "facets"

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蓝眼睛不忧郁 2024-12-02 12:51:15

为了使 DataContractJsonSerializer 正常工作，您需要拥有一个具有与 JSON 匹配的架构的类型系统。 “values”字段不是列表（或数组） - 它是另一个 JSON 对象，因此您不需要将其声明为 List - 它只是一个 Value 对象。

此外，termHints 类上的 DataMember Name 属性设置为各自成员的“Values”和“Facets”，但在 json 中，名称为小写，因此您还需要更改它（DataMember(Name = "values") 和 DataMember(Name =

用代码更新

我在代码/JSON 中看到的另一个问题是在 JSON 文档中，facets是 termHints 的同级，但在您拥有的数据协定中，方面是提示的子级，因此需要更改其中之一，下面是具有两个版本的代码，只需选择一个。 :)

public class StackOverflow_6747339
{
    class FacetsAsSiblingOfHints
    {
        [DataContract]
        public class AutoCompleteResponse
        {
            [DataMember(Name = "parameters")]
            public Parameter Parameters { get; set; }
            [DataMember(Name = "termHints")]
            public List<TermHints> Hints { get; set; }
            [DataMember(Name = "facets")]
            public List<Facets> Facets { get; set; }
            [DataMember(Name = "total")]
            public string Total { get; set; }

            public override string ToString()
            {
                return string.Format("AutoCompleteResponse[Parameters={0},hints={1},facets={2},total={3}]",
                    Parameters, ListToString(Hints), ListToString(Facets), Total);
            }
        }
        [DataContract]
        public class Parameter
        {
            [DataMember(Name = "tbdb")]
            public string tbdb { get; set; }
            [DataMember(Name = "min_prefix_length")]
            public string min_prefix_length { get; set; }
            [DataMember(Name = "service")]
            public string service { get; set; }
            [DataMember(Name = "template")]
            public string template { get; set; }
            [DataMember(Name = "term_prefix")]
            public string term_prefrix { get; set; }

            public override string ToString()
            {
                return string.Format("Parameter[tbdb={0},min_prefix_length={1},service={2},template={3},term_prefix={4}]",
                    tbdb, min_prefix_length, service, template, term_prefrix);
            }
        }
        [DataContract]
        public class TermHints
        {
            [DataMember(Name = "name")]
            public string Name { get; set; }
            [DataMember(Name = "id")]
            public string Id { get; set; }
            [DataMember(Name = "values")]
            public Values Values { get; set; }

            public override string ToString()
            {
                return string.Format("TermHints[Name={0},Id={1},Values={2}]", Name, Id, Values);
            }
        }
        [DataContract]
        public class Values
        {
            [DataMember(Name = "value")]
            public string value_name { get; set; }
            [DataMember(Name = "pre_em")]
            public string pre_em { get; set; }
            [DataMember(Name = "em")]
            public string em { get; set; }
            [DataMember(Name = "post_em")]
            public string post_em { get; set; }
            [DataMember(Name = "nature")]
            public string nature { get; set; }
            [DataMember(Name = "id")]
            public string value_id { get; set; }

            public override string ToString()
            {
                return string.Format("Values[value_name={0},pre_em={1},em={2},post_em={3},nature={4},value_id={5}]",
                    value_name, pre_em, em, post_em, nature, value_id);
            }
        }
        [DataContract]
        public class Facets
        {
            [DataMember(Name = "id")]
            public string facet_id { get; set; }
            [DataMember(Name = "name")]
            public string facet_name { get; set; }

            public override string ToString()
            {
                return string.Format("Facets[facet_id={0},facet_name={1}]", facet_id, facet_name);
            }
        }

        const string json = @"{
""parameters"": {
    ""tbdb"": ""trudon"",
    ""min_prefix_length"": ""2"",
    ""service"": ""prefix"",
    ""template"": ""service.json"",
    ""term_prefix"": ""plu""},
""termHints"": [
    {
        ""name"": ""Plumbers & Sanitary Engineers"",
        ""id"":""209654"",
        ""values"": {
            ""value"":""Plumbers & Sanitary Engineers"",
            ""pre_em"":"""",
            ""em"":""Plu"",
            ""post_em"":""mbers & Sanitary Engineers"",
            ""nature"":""PT"",
            ""id"":""209654""
        }
    },
],
""facets"": [
    {
        ""id"":""209654"",
        ""name"":""Plumbers & Sanitary Engineers""
    }
],
""total"":1
}";

        internal static void Test()
        {
            Console.WriteLine("Facets as siblings of the hints");
            DataContractJsonSerializer dcjs = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
            AutoCompleteResponse obj = (AutoCompleteResponse)dcjs.ReadObject(ms);
            ms.Close();
            Console.WriteLine(obj);
            Console.WriteLine();
        }
    }

    class FacetsInsideHints
    {
        [DataContract]
        public class AutoCompleteResponse
        {
            [DataMember(Name = "parameters")]
            public Parameter Parameters { get; set; }
            [DataMember(Name = "termHints")]
            public List<TermHints> Hints { get; set; }
            [DataMember(Name = "total")]
            public string Total { get; set; }

            public override string ToString()
            {
                return string.Format("AutoCompleteResponse[Parameters={0},hints={1},total={2}]",
                    Parameters, ListToString(Hints), Total);
            }
        }
        [DataContract]
        public class Parameter
        {
            [DataMember(Name = "tbdb")]
            public string tbdb { get; set; }
            [DataMember(Name = "min_prefix_length")]
            public string min_prefix_length { get; set; }
            [DataMember(Name = "service")]
            public string service { get; set; }
            [DataMember(Name = "template")]
            public string template { get; set; }
            [DataMember(Name = "term_prefix")]
            public string term_prefrix { get; set; }

            public override string ToString()
            {
                return string.Format("Parameter[tbdb={0},min_prefix_length={1},service={2},template={3},term_prefix={4}]",
                    tbdb, min_prefix_length, service, template, term_prefrix);
            }
        }
        [DataContract]
        public class TermHints
        {
            [DataMember(Name = "name")]
            public string Name { get; set; }
            [DataMember(Name = "id")]
            public string Id { get; set; }
            [DataMember(Name = "values")]
            public Values Values { get; set; }
            [DataMember(Name = "facets")]
            public List<Facets> Facets { get; set; }

            public override string ToString()
            {
                return string.Format("TermHints[Name={0},Id={1},Values={2},Facets={3}]", Name, Id, Values, ListToString(Facets));
            }
        }
        [DataContract]
        public class Values
        {
            [DataMember(Name = "value")]
            public string value_name { get; set; }
            [DataMember(Name = "pre_em")]
            public string pre_em { get; set; }
            [DataMember(Name = "em")]
            public string em { get; set; }
            [DataMember(Name = "post_em")]
            public string post_em { get; set; }
            [DataMember(Name = "nature")]
            public string nature { get; set; }
            [DataMember(Name = "id")]
            public string value_id { get; set; }

            public override string ToString()
            {
                return string.Format("Values[value_name={0},pre_em={1},em={2},post_em={3},nature={4},value_id={5}]",
                    value_name, pre_em, em, post_em, nature, value_id);
            }
        }
        [DataContract]
        public class Facets
        {
            [DataMember(Name = "id")]
            public string facet_id { get; set; }
            [DataMember(Name = "name")]
            public string facet_name { get; set; }

            public override string ToString()
            {
                return string.Format("Facets[facet_id={0},facet_name={1}]", facet_id, facet_name);
            }
        }

        const string json = @"{
""parameters"": {
    ""tbdb"": ""trudon"",
    ""min_prefix_length"": ""2"",
    ""service"": ""prefix"",
    ""template"": ""service.json"",
    ""term_prefix"": ""plu""},
""termHints"": [
    {
        ""name"": ""Plumbers & Sanitary Engineers"",
        ""id"":""209654"",
        ""values"": {
            ""value"":""Plumbers & Sanitary Engineers"",
            ""pre_em"":"""",
            ""em"":""Plu"",
            ""post_em"":""mbers & Sanitary Engineers"",
            ""nature"":""PT"",
            ""id"":""209654""
        },
        ""facets"": [
            {
                ""id"":""209654"",
                ""name"":""Plumbers & Sanitary Engineers""
            }
        ]
    },
],
""total"":1
}";

        internal static void Test()
        {
            Console.WriteLine("Facets inside the hints");
            DataContractJsonSerializer dcjs = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
            AutoCompleteResponse obj = (AutoCompleteResponse)dcjs.ReadObject(ms);
            ms.Close();
            Console.WriteLine(obj);
            Console.WriteLine();
        }
    }

    static string ListToString<T>(List<T> list)
    {
        if (list == null)
        {
            return "<<null>>";
        }

        StringBuilder sb = new StringBuilder();
        sb.Append("[");
        for (int i = 0; i < list.Count; i++)
        {
            if (i > 0) sb.Append(",");
            sb.Append(list[i]);
        }

        sb.Append("]");
        return sb.ToString();
    }

    public static void Test()
    {
        FacetsAsSiblingOfHints.Test();
        FacetsInsideHints.Test();
    }
}

For the DataContractJsonSerializer to work you need to have the a type system with the schema which matches the JSON. The "values" field isn't a list (or an array) - it's another JSON object, so you don't need to declare it as a List<Value> - it's just a Value object there.

Also, the DataMember Name properties on the termHints class are set to 'Values' and 'Facets' for their respective members, but in the json the names are in lower case, so you'll need to change that as well (DataMember(Name = "values") and DataMember(Name = "facets").

Update with code

Another problem I see in the code / JSON is that in the JSON document, facets is a sibling of termHints, but in the data contracts you have, the facets are a child of the hints. So one of those needs to be changed. Below is a code with both versions, just pick one :)

public class StackOverflow_6747339
{
    class FacetsAsSiblingOfHints
    {
        [DataContract]
        public class AutoCompleteResponse
        {
            [DataMember(Name = "parameters")]
            public Parameter Parameters { get; set; }
            [DataMember(Name = "termHints")]
            public List<TermHints> Hints { get; set; }
            [DataMember(Name = "facets")]
            public List<Facets> Facets { get; set; }
            [DataMember(Name = "total")]
            public string Total { get; set; }

            public override string ToString()
            {
                return string.Format("AutoCompleteResponse[Parameters={0},hints={1},facets={2},total={3}]",
                    Parameters, ListToString(Hints), ListToString(Facets), Total);
            }
        }
        [DataContract]
        public class Parameter
        {
            [DataMember(Name = "tbdb")]
            public string tbdb { get; set; }
            [DataMember(Name = "min_prefix_length")]
            public string min_prefix_length { get; set; }
            [DataMember(Name = "service")]
            public string service { get; set; }
            [DataMember(Name = "template")]
            public string template { get; set; }
            [DataMember(Name = "term_prefix")]
            public string term_prefrix { get; set; }

            public override string ToString()
            {
                return string.Format("Parameter[tbdb={0},min_prefix_length={1},service={2},template={3},term_prefix={4}]",
                    tbdb, min_prefix_length, service, template, term_prefrix);
            }
        }
        [DataContract]
        public class TermHints
        {
            [DataMember(Name = "name")]
            public string Name { get; set; }
            [DataMember(Name = "id")]
            public string Id { get; set; }
            [DataMember(Name = "values")]
            public Values Values { get; set; }

            public override string ToString()
            {
                return string.Format("TermHints[Name={0},Id={1},Values={2}]", Name, Id, Values);
            }
        }
        [DataContract]
        public class Values
        {
            [DataMember(Name = "value")]
            public string value_name { get; set; }
            [DataMember(Name = "pre_em")]
            public string pre_em { get; set; }
            [DataMember(Name = "em")]
            public string em { get; set; }
            [DataMember(Name = "post_em")]
            public string post_em { get; set; }
            [DataMember(Name = "nature")]
            public string nature { get; set; }
            [DataMember(Name = "id")]
            public string value_id { get; set; }

            public override string ToString()
            {
                return string.Format("Values[value_name={0},pre_em={1},em={2},post_em={3},nature={4},value_id={5}]",
                    value_name, pre_em, em, post_em, nature, value_id);
            }
        }
        [DataContract]
        public class Facets
        {
            [DataMember(Name = "id")]
            public string facet_id { get; set; }
            [DataMember(Name = "name")]
            public string facet_name { get; set; }

            public override string ToString()
            {
                return string.Format("Facets[facet_id={0},facet_name={1}]", facet_id, facet_name);
            }
        }

        const string json = @"{
""parameters"": {
    ""tbdb"": ""trudon"",
    ""min_prefix_length"": ""2"",
    ""service"": ""prefix"",
    ""template"": ""service.json"",
    ""term_prefix"": ""plu""},
""termHints"": [
    {
        ""name"": ""Plumbers & Sanitary Engineers"",
        ""id"":""209654"",
        ""values"": {
            ""value"":""Plumbers & Sanitary Engineers"",
            ""pre_em"":"""",
            ""em"":""Plu"",
            ""post_em"":""mbers & Sanitary Engineers"",
            ""nature"":""PT"",
            ""id"":""209654""
        }
    },
],
""facets"": [
    {
        ""id"":""209654"",
        ""name"":""Plumbers & Sanitary Engineers""
    }
],
""total"":1
}";

        internal static void Test()
        {
            Console.WriteLine("Facets as siblings of the hints");
            DataContractJsonSerializer dcjs = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
            AutoCompleteResponse obj = (AutoCompleteResponse)dcjs.ReadObject(ms);
            ms.Close();
            Console.WriteLine(obj);
            Console.WriteLine();
        }
    }

    class FacetsInsideHints
    {
        [DataContract]
        public class AutoCompleteResponse
        {
            [DataMember(Name = "parameters")]
            public Parameter Parameters { get; set; }
            [DataMember(Name = "termHints")]
            public List<TermHints> Hints { get; set; }
            [DataMember(Name = "total")]
            public string Total { get; set; }

            public override string ToString()
            {
                return string.Format("AutoCompleteResponse[Parameters={0},hints={1},total={2}]",
                    Parameters, ListToString(Hints), Total);
            }
        }
        [DataContract]
        public class Parameter
        {
            [DataMember(Name = "tbdb")]
            public string tbdb { get; set; }
            [DataMember(Name = "min_prefix_length")]
            public string min_prefix_length { get; set; }
            [DataMember(Name = "service")]
            public string service { get; set; }
            [DataMember(Name = "template")]
            public string template { get; set; }
            [DataMember(Name = "term_prefix")]
            public string term_prefrix { get; set; }

            public override string ToString()
            {
                return string.Format("Parameter[tbdb={0},min_prefix_length={1},service={2},template={3},term_prefix={4}]",
                    tbdb, min_prefix_length, service, template, term_prefrix);
            }
        }
        [DataContract]
        public class TermHints
        {
            [DataMember(Name = "name")]
            public string Name { get; set; }
            [DataMember(Name = "id")]
            public string Id { get; set; }
            [DataMember(Name = "values")]
            public Values Values { get; set; }
            [DataMember(Name = "facets")]
            public List<Facets> Facets { get; set; }

            public override string ToString()
            {
                return string.Format("TermHints[Name={0},Id={1},Values={2},Facets={3}]", Name, Id, Values, ListToString(Facets));
            }
        }
        [DataContract]
        public class Values
        {
            [DataMember(Name = "value")]
            public string value_name { get; set; }
            [DataMember(Name = "pre_em")]
            public string pre_em { get; set; }
            [DataMember(Name = "em")]
            public string em { get; set; }
            [DataMember(Name = "post_em")]
            public string post_em { get; set; }
            [DataMember(Name = "nature")]
            public string nature { get; set; }
            [DataMember(Name = "id")]
            public string value_id { get; set; }

            public override string ToString()
            {
                return string.Format("Values[value_name={0},pre_em={1},em={2},post_em={3},nature={4},value_id={5}]",
                    value_name, pre_em, em, post_em, nature, value_id);
            }
        }
        [DataContract]
        public class Facets
        {
            [DataMember(Name = "id")]
            public string facet_id { get; set; }
            [DataMember(Name = "name")]
            public string facet_name { get; set; }

            public override string ToString()
            {
                return string.Format("Facets[facet_id={0},facet_name={1}]", facet_id, facet_name);
            }
        }

        const string json = @"{
""parameters"": {
    ""tbdb"": ""trudon"",
    ""min_prefix_length"": ""2"",
    ""service"": ""prefix"",
    ""template"": ""service.json"",
    ""term_prefix"": ""plu""},
""termHints"": [
    {
        ""name"": ""Plumbers & Sanitary Engineers"",
        ""id"":""209654"",
        ""values"": {
            ""value"":""Plumbers & Sanitary Engineers"",
            ""pre_em"":"""",
            ""em"":""Plu"",
            ""post_em"":""mbers & Sanitary Engineers"",
            ""nature"":""PT"",
            ""id"":""209654""
        },
        ""facets"": [
            {
                ""id"":""209654"",
                ""name"":""Plumbers & Sanitary Engineers""
            }
        ]
    },
],
""total"":1
}";

        internal static void Test()
        {
            Console.WriteLine("Facets inside the hints");
            DataContractJsonSerializer dcjs = new DataContractJsonSerializer(typeof(AutoCompleteResponse));
            MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
            AutoCompleteResponse obj = (AutoCompleteResponse)dcjs.ReadObject(ms);
            ms.Close();
            Console.WriteLine(obj);
            Console.WriteLine();
        }
    }

    static string ListToString<T>(List<T> list)
    {
        if (list == null)
        {
            return "<<null>>";
        }

        StringBuilder sb = new StringBuilder();
        sb.Append("[");
        for (int i = 0; i < list.Count; i++)
        {
            if (i > 0) sb.Append(",");
            sb.Append(list[i]);
        }

        sb.Append("]");
        return sb.ToString();
    }

    public static void Test()
    {
        FacetsAsSiblingOfHints.Test();
        FacetsInsideHints.Test();
    }
}
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