eBay Finding APIを使用して、高度な検索リクエストを送信し、結果を返そうとしています。以下にコードを含めました。
どういうわけか、次の行にたどり着いたとき:
FindItemsAdvancedResponse response = service.findItemsAdvanced(request);
「応答」と呼ばれるオブジェクトがnullとして返されます。
どこが間違っているのかわからないので、次の呼び出しから例外がスローされることはありません。service.findItemsAdvanced()
ご覧になってアドバイスをいただければ幸いです。
これが問題が発生するまでの私のprogram.csです
Progam.cs
using System;
using System.ServiceModel;
using System.ServiceModel.Channels;
using EbayParser.com.ebay.developer;
using System.Net;
namespace EbayParser
{
class Program
{
static void Main(string[] args)
{
try
{
// Creating an object to the BestMatchService class
CustomFindingService service = new CustomFindingService();
service.Url = "http://svcs.sandbox.ebay.com/services/search/FindingService/v1";
com.ebay.developer.FindItemsAdvancedRequest request = new EbayParser.com.ebay.developer.FindItemsAdvancedRequest();
//Create Filter Objects
com.ebay.developer.ItemFilter filterEndTimeFrom = new EbayParser.com.ebay.developer.ItemFilter();
com.ebay.developer.ItemFilter filterEndTimeTo = new EbayParser.com.ebay.developer.ItemFilter();
com.ebay.developer.ItemFilter filterCatID = new EbayParser.com.ebay.developer.ItemFilter();
//Set Values for each filter
filterEndTimeFrom.name = EbayParser.com.ebay.developer.ItemFilterType.EndTimeFrom;
filterEndTimeFrom.value = new string[] { "" };
filterEndTimeTo.name = EbayParser.com.ebay.developer.ItemFilterType.EndTimeTo;
filterEndTimeTo.value = new string[] { "" };
filterCatID.name = EbayParser.com.ebay.developer.ItemFilterType.EndTimeFrom;
filterCatID.value = new string[] { "" };
//Create the filter array
com.ebay.developer.ItemFilter[] itemFilters = new EbayParser.com.ebay.developer.ItemFilter[3];
//Add Filters to the array
itemFilters[0] = filterCatID;
itemFilters[1] = filterEndTimeFrom;
itemFilters[2] = filterEndTimeTo;
request.itemFilter = itemFilters;
request.keywords = "ipod";
// Creating response object
FindItemsAdvancedResponse response = service.findItemsAdvanced(request);
これが「CustomFindingService.cs」というクラスのコードです。
CustomFindingService.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using EbayParser.com.ebay.developer;
namespace EbayParser
{
class CustomFindingService : FindingService
{
protected override System.Net.WebRequest GetWebRequest(Uri uri)
{
try
{
HttpWebRequest request = (HttpWebRequest)base.GetWebRequest(uri);
request.Headers.Add("X-EBAY-SOA-SECURITY-APPNAME", "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx");
request.Headers.Add("X-EBAY-SOA-OPERATION-NAME", "findItemsByKeywords");
request.Headers.Add("X-EBAY-SOA-SERVICE-NAME", "FindingService");
request.Headers.Add("X-EBAY-SOA-MESSAGE-PROTOCOL", "SOAP11");
request.Headers.Add("X-EBAY-SOA-SERVICE-VERSION", "1.0.0");
request.Headers.Add("X-EBAY-SOA-GLOBAL-ID", "EBAY-US");
return request;
}
catch (Exception ex)
{
throw ex;
}
}
}
}