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问题

在Java SDK框架下执行API调用

解答

（

人觉得答案有帮助）

总述

   这个范例展示了如何使用eBay Java SDK框架来调用GeteBayOfficialTime指令。使用这个例程的要求是：
   1. 获取你的Sandbox Keys，包括三个ID：DevID, AppID以及CertID，并获取 API Token。
   2. 获取并安装 eBay的Java SDK包。

文末附件是实现GeteBayOfficialTime调用的代码压缩包。

详述

   创建一个独立的，名为eBayApiRequest,的eBay项目，包含下面的文件结构：
     1. Java源文件
            ${EBAY_JAVA_SDK_HOME}/eBayApiRequest/src/ebay/sdk/AppGeteBayTime.java
            ${EBAY_JAVA_SDK_HOME}/eBayApiRequest/src/ebay/sdk/RequestHeaderParam.java
       2. 构造、批量及属性文件
            ${EBAY_JAVA_SDK_HOME}/eBayApiRequest/request_param.properties
            ${EBAY_JAVA_SDK_HOME}/eBayApiRequest/build.xml
            ${EBAY_JAVA_SDK_HOME}/eBayApiRequest/run.bat
      3.将你的devid, appid, cert和token放入 request_param.properties文件

注意：此例程在Sandbox API服务中的测试参见https://api.sandbox.ebay.com/wsapi

   添加Java源代码
   你可以下载项目包，或者手动添加如下的Java代码。
   GeteBayOfficialTime属于简洁的eBay api调用，不含有任何具体的输入。调用成功则返回eBay的官方系统时间。不过当你将此结果输出，则自动转换为当地时间显示。

例程中用到的devid, appid, cert, token和apiServer属性存储在request_param.properties的配置文件中，当需要填充ApiCredentia或ApiContext对象时读入辅助类RequestHeaderParam.java中。
对于API的执行、重试和记录设置都在AppGeteBayTime.java类中完成。

package ebayapi;

import com.ebay.sdk.*;
import com.ebay.sdk.call.*;
import com.ebay.soap.eBLBaseComponents.*;
import com.ebay.sdk.util.eBayUtil;
import com.ebay.sdk.helper.ConsoleUtil;
import java.util.*;

public class AppGeteBayTime {
          private String configFile= "request_param.properties";
          private ApiContext _apiContext;
          private ApiCall _apiCall;

          AppGeteBayTime(){
                    RequestHeaderParam requestHeaderParam = new RequestHeaderParam();
                   _apiContext = requestHeaderParam.createContext(configFile);
                   _apiContext.setErrorLanguage("en_US");
                   _apiCall = new com.ebay.sdk.ApiCall(_apiContext);
                    //Enable logging
                   ApiLogging logging = new ApiLogging();
                  _apiContext.setApiLogging(logging);
          }

          //Main method
          public static void main(String[] args) {
                 AppGeteBayTime thisapp = new AppGeteBayTime();

                 GeteBayOfficialTimeCall request = new GeteBayOfficialTimeCall(thisapp._apiContext);

                // Retry
                CallRetry callretry = new CallRetry();
                callretry.setMaximumRetries(3);
                callretry.setDelayTime(1000);

                org.apache.axis.types.Token [] apiErrorCodes = new org.apache.axis.types.Token[]{
                         new org.apache.axis.types.Token("502"),
               };
               callretry.setTriggerApiErrorCodes(apiErrorCodes);

                java.lang.Class[] tcs = new java.lang.Class[]{
                       java.net.SocketTimeoutException.class,
                      org.apache.axis.AxisFault.class
               };
             callretry.setTriggerExceptions(tcs);
              request.setCallRetry(callretry);
             try {
                  // execute the request and assign the returned eBay time to the Calendar object
                   Calendar currenttime = request.geteBayOfficialTime();
                  String rightnow = currenttime.getTime().toString();
           }catch (Exception e) {}
       }
} //END OF AppGeteBayTime () class

package ebayapi;

import com.ebay.sdk.*;
import com.ebay.soap.eBLBaseComponents.*;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class RequestHeaderParam {

public ApiContext createContext(String file){

    // Load the properties file into a Properties object
       Properties config = new Properties();
       try {
              config.load(new FileInputStream(file));
        } catch (IOException e) {
                System.out.println("config.properties file is missing from the current working directory.");
                return null;
        }
        // Create ApiContext object
       ApiContext context = new ApiContext();
       // add ApiCredential to ApiContext
       ApiCredential credential= context.getApiCredential();

       // Register Token property
       credential.seteBayToken(config.getProperty("token") );
       // register the ApiServerUrl in ApiContext
       context.setApiServerUrl(config.getProperty("apiServer"));
       // define the SiteCodeType to US that the request is routed to siteID=0
       context.setSite(SiteCodeType.US);
       // tell eBay api server returning the error message in English
       context.setErrorLanguage("en_US");

return(context);
}

}// END OF RequestHeaderParam() class

编译和执行例程

编译：
ant -f build.xml

执行：
run

执行结果

- Sending SOAP request to: https://api.sandbox.ebay.com/wsapi?siteid=0&callname=
GeteBayOfficialTime&client=java
- HTTP Compression: send gzip request...
- HTTP Compression - gzip decompress response: ContentLength=320
- Request Message: Length=1,575
- <?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmln
s:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSc
hema-instance">
<soapenv:Header>
<ebl:RequesterCredentials soapenv:mustUnderstand="0" xmlns:ebl="urn:ebay:apis:
eBLBaseComponents">
   <ebl:eBayAuthToken xmlns:ebl="urn:ebay:apis:eBLBaseComponents">AXXX</ebl:eBayAuthToken>
</ebl:RequesterCredentials>
</soapenv:Header>
<soapenv:Body>
<GeteBayOfficialTimeRequest xmlns="urn:ebay:apis:eBLBaseComponents">
   <ErrorLanguage>en_US</ErrorLanguage>
   <Version>479</Version>
</GeteBayOfficialTimeRequest>
</soapenv:Body>
</soapenv:Envelope>
- Response Message: Length=528
- <?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmln
s:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSc
hema-instance">
<soapenv:Body>
<GeteBayOfficialTimeResponse xmlns="urn:ebay:apis:eBLBaseComponents">

版本信息

上示例程基于此特定的版本号：

API架构版本	549
Java SDK版本	javasdk v549.0 Full release

附件

• ZIP document eBayApiRequest.zip

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