HTTP Client 调用 ODI Scenario

HTTP-Client的官方实例如下:
http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/examples/FormLoginDemo.java?revision=604567&view=markup
 
ODI官方文档中推荐HTTP URL方式调用Scenario
部分描述:
With the Metadata Navigator module, it is possible to launch a scenario from a web page or an
HTTP URL.
Note: To execute a scenario this way, you must first Install Metadata Navigator.
Principles
Metadata Navigator provides a StartScen servlet that responds to HTTP POST requests. This
servlet provides the same features as the OdiStartScen tool.
 The StartScen servlet is called by using an HTTP POST request on the /snpsrepexp/startscen.do resource of your Metadata Navigator Server. Appropriate
HTTP parameters should be passed with the request.
 The servlet returns an HTTP response in XML, HTML or plain text format.
 
The scenario execution returns a SOAP response as shown below:
<odi:invokeScenarioResponse xmlns:odi="xmlns.oracle.com/odi/OdiInvoke">
  <odi:CommandResultType>
    <odi:Ok>true</odi:Ok>
    <odi:SessionNumber>1148001</odi:SessionNumber>
  </odi:CommandResultType>
</odi:invokeScenarioResponse>
 
1、安装Metadata Navigator(参考Metadata Navigator安装及应用)
 
2、配置ODI Agent(参考ODI Scenario Scheduler Agent执行中的Agent配置文件设置->odiparams.bat设置)非必须
 
3、在ODI项目中创建Scenario(参考Running Scenario Using Variable)
 
4、创建JAVA应用
注:若oracledimn.war部署在远程服务器上,则
LOGON_SIT 与 LOGON_PORT需要改成对应的 IP 与 端口号
NameValuePair agentName   = new NameValuePair("agent_name", "127.0.0.1");需要改成Agent所在机器的IP<如10.243.40.72>
 
创建ODIHttpWebService.java
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.cookie.CookieSpec;
import org.apache.commons.httpclient.methods.*;
 
public class ODIHttpWebservice {
 static final String LOGON_SITE = "localhost"; 
 static final int    LOGON_PORT = 9090;  
     public ODIHttpWebservice() {
         super();
     } 
    
     public static void main(String[] args) throws Exception { 
         HttpClient client = new HttpClient();
         client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT, "http");
         client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
         CookieSpec cookiespec = CookiePolicy.getDefaultSpec();
         PostMethod authpost = new PostMethod("/oracledimn/startscen.do");
 
         // Prepare execute parameters(参数设置参照Oracle Data Integrator User's Guide/86)
 
         NameValuePair agentName   = new NameValuePair("agent_name", "127.0.0.1");
         NameValuePair agentPort = new NameValuePair("agent_port", "20910");
         NameValuePair masterDriver = new NameValuePair("master_driver","oracle.jdbc.driver.OracleDriver");
         NameValuePair masterUrl = new NameValuePair("master_url", "jdbc:oracle:thin:@10.244.155.16:1521:ora10g");
         NameValuePair masterUser = new NameValuePair("master_user", "EXTFWK");
         NameValuePair masterPsw = new NameValuePair("master_psw", "cByXdik4DDOzPIqHygsc5Wp");
         NameValuePair workRepository = new NameValuePair("work_repository", "EASAS WORK01");
         NameValuePair snpsUser = new NameValuePair("snps_user", "SUPERVISOR");
         NameValuePair snpsPsw = new NameValuePair("snps_psw", "fDyXwp0FX38Lh7SljxUs");
         NameValuePair scenName = new NameValuePair("scen_name", "LOAD_ROLE_FUNCTIONS");
         NameValuePair scenVersion = new NameValuePair("scen_version", "001");
         NameValuePair contextCode = new NameValuePair("context_code", "GLOBAL");
         NameValuePair logLevel = new NameValuePair("log_level", "2");
         NameValuePair httpReply = new NameValuePair("http_reply", "XML");
        
         //Add Project's Variable by using project code
         NameValuePair projectParam1 = new NameValuePair("EASAS_PROJECT.roleCode", "'USER_MANAGE'");
        
         authpost.setRequestBody(
           new NameValuePair[] { agentName, agentPort, masterDriver, masterUrl,
             masterUser, masterPsw, workRepository, snpsUser, snpsPsw, scenName,
             scenVersion, contextCode, logLevel, httpReply, projectParam1});
 
            client.executeMethod(authpost);        
         System.out.println("Project Param1: "+projectParam1.getValue()+" /nLogin form post: " + authpost.getResponseBodyAsString().toString());
 
         // release any connection resources used by the method
 
         authpost.releaseConnection();
 
  }    
}
 
5、启动Tomcat,确认Metadata Navigator应用正常
 
6、调用ODI Agent,确认Agent正常使用
 
7、运行JAVA应用,执行正常将在控制台得到输出信息,输出信息类似以下结构:
<odi:invokeScenarioResponse xmlns:odi="xmlns.oracle.com/odi/OdiInvoke">
  <odi:CommandResultType>
    <odi:Ok>true</odi:Ok>
    <odi:SessionNumber>1148001</odi:SessionNumber>
  </odi:CommandResultType>
</odi:invokeScenarioResponse>
 
8、到ODI中检查会话是否正常执行,检查参数传递是否生效

 

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