PI-Custom adapter module

2024-04-08 20:30:10

PI自定义适配器模块

1.开发EJB项目

1.1Eclipse创建EJB项目

参考:https://blogs.sap.com/2019/05/03/how-to-create-custom-adapter-module-in-sap-pipo-for-ejb-3.0-version/

1.2类方法ChgRestFormat.java

  1 package com.sap.pi.geely.custom;
  2 
  3 import java.io.ByteArrayInputStream;
  4 import java.io.ByteArrayOutputStream;
  5 import java.io.IOException;
  6 import java.io.InputStream;
  7 import java.rmi.RemoteException;
  8 import java.security.KeyStore;
  9 import java.security.KeyStoreException;
 10 import javax.annotation.PostConstruct;
 11 import javax.annotation.PreDestroy;
 12 import javax.ejb.Local;
 13 import javax.ejb.LocalHome;
 14 import javax.ejb.Remote;
 15 import javax.ejb.RemoteHome;
 16 import javax.ejb.Stateless;
 17 import javax.naming.InitialContext;
 18 import javax.naming.NamingException;
 19 import com.sap.aii.af.lib.mp.module.Module;
 20 import com.sap.aii.af.lib.mp.module.ModuleContext;
 21 import com.sap.aii.af.lib.mp.module.ModuleData;
 22 import com.sap.aii.af.lib.mp.module.ModuleException;
 23 import com.sap.aii.af.lib.mp.module.ModuleHome;
 24 import com.sap.aii.af.lib.mp.module.ModuleLocal;
 25 import com.sap.aii.af.lib.mp.module.ModuleLocalHome;
 26 import com.sap.aii.af.lib.mp.module.ModuleRemote;
 27 import com.sap.engine.interfaces.messaging.api.Message;
 28 import com.sap.engine.interfaces.messaging.api.MessageKey;
 29 import com.sap.engine.interfaces.messaging.api.PublicAPIAccessFactory;
 30 import com.sap.engine.interfaces.messaging.api.auditlog.AuditAccess;
 31 import com.sap.engine.interfaces.messaging.api.auditlog.AuditLogStatus;
 32 import com.sap.engine.interfaces.messaging.api.exception.InvalidParamException;
 33 
 34 /**
 35  * Session Bean implementation class ChgRestFormat
 36  */
 37 @Stateless(name = "ChgRestFormatBean")
 38 @Local(value = { ModuleLocal.class })
 39 @Remote(value = { ModuleRemote.class })
 40 @LocalHome(value = ModuleLocalHome.class)
 41 @RemoteHome(value = ModuleHome.class)
 42 public class ChgRestFormat implements Module{
 43     /**
 44      * Default constructor. 
 45      */    
 46     @Override
 47     public ModuleData process(ModuleContext moduleContext, ModuleData inputModuleData) throws ModuleException {
 48         // TODO Auto-generated method stub
 49         AuditAccess audit     = null;
 50         Message     msg        = null;
 51         MessageKey     msgKey    = null;
 52         byte[]         content    = null;
 53         String        contstr    = null;
 54         String         fldNode    = null;
 55         String        msgType = null;
 56         String        dataFormat    = null;
 57         String        nameSpace    = null;
 58         String        fullpload    = null;
 59         
 60         try {
 61 
 62             //Load message:
 63             msg = (Message) inputModuleData.getPrincipalData();
 64             msgKey = new MessageKey(msg.getMessageId(),msg.getMessageDirection());    //msg.getMessageKey();
 65             
 66             audit = PublicAPIAccessFactory.getPublicAPIAccess().getAuditAccess();
 67             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 68                     "Edit by rico | Custom-Java-Adapter-Module (localejbs/ChgRestFormat)");
 69 
 70             //Loads the contents of the incoming message: 
 71             content = msg.getDocument().getContent();
 72             contstr = new String(msg.getDocument().getContent());
 73             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 74                     "Edit by rico | ChgRestFormat | Document-Content:" + contstr);
 75 
 76             fullpload = new String(msg.getMainPayload().getContent());
 77             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 78                     "Edit by rico | ChgRestFormat | Payload-Content:" + fullpload);
 79             
 80             //Load configuration parameters:
 81             fldNode = (String) moduleContext.getContextData("fldNode");
 82             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 83                     "Edit by rico | ChgRestFormat | input-fldNode:" + fldNode);
 84 
 85             msgType = (String) moduleContext.getContextData("msgType");
 86             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 87                     "Edit by rico | ChgRestFormat | input-msgType:" + msgType);
 88 
 89             nameSpace = (String) moduleContext.getContextData("nameSpace");
 90             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 91                     "Edit by rico | ChgRestFormat | input-nameSpace:" + nameSpace);
 92             
 93             dataFormat = (String) moduleContext.getContextData("dataFormat");
 94             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
 95                     "Edit by rico | ChgRestFormat | input-nameSpace:" + dataFormat);
 96             
 97             //convert content to specify format(JSON or XML)
 98             if(dataFormat.equals("XML")==true) {
 99                 contstr = "<"+fldNode+">"+contstr+"</"+fldNode+">";
100                 
101                 if((msgType != null && !msgType.isEmpty()) && (nameSpace != null && !nameSpace.isEmpty())) {
102                     String stacd = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"+"<ns0:"+msgType+" xmlns:ns0=\""+nameSpace+"\">";
103                     String endcd = "</ns0:"+msgType+">";
104                     contstr = stacd + contstr + endcd;
105                 }            
106             }else if(dataFormat.equals("JSON")==true) {
107                 contstr = "{\""+fldNode+"\":\""+contstr+"\"}";
108                 
109                 if((msgType != null && !msgType.isEmpty()) && (nameSpace != null && !nameSpace.isEmpty())) {
110                     String stajs = "\""+msgType+"\":"+contstr;
111                     contstr = "{"+stajs+"}";
112                 }
113             }
114             
115             audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS,
116                     "Edit by rico | ChgRestFormat | Trans-Content:" + contstr);
117             
118             //Transform string to array
119             byte convert[] = contstr.getBytes("UTF-8");
120             
121             //ByteArrayInputStream byteArr= new ByteArrayInputStream(content);
122             
123             //Update output:
124             try {
125                 msg.getDocument().setContent(convert);
126             } catch (InvalidParamException e) {
127                 audit.addAuditLogEntry(msgKey, AuditLogStatus.ERROR, e.getMessage());
128                 throw new ModuleException(e.getMessage(), e);
129             }
130             
131             inputModuleData.setPrincipalData(msg);
132     
133             } catch (Exception e) {
134                 ModuleException me = new ModuleException(e);
135                 throw me;
136         }
137         
138         return inputModuleData;
139     }
140     
141 }

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1.3配置META-INF: ejb-j2ee-engine.xml

1.4配置EAR：application-j2ee-engine.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <application-j2ee-engine xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="application-j2ee-engine.xsd">
 3     <reference reference-type="hard">
 4         <reference-target target-type="service" provider-name="sap.com">engine.security.facade</reference-target>
 5     </reference>
 6     <reference reference-type="hard">
 7         <reference-target target-type="library" provider-name="sap.com">engine.j2ee14.facade</reference-target>
 8     </reference>
 9     <reference reference-type="hard">
10         <reference-target target-type="service" provider-name="sap.com">com.sap.aii.af.svc.facade</reference-target>
11     </reference>
12     <reference reference-type="hard">
13         <reference-target target-type="interface" provider-name="sap.com">com.sap.aii.af.ifc.facade</reference-target>
14     </reference>
15     <reference reference-type="hard">
16         <reference-target target-type="library" provider-name="sap.com">com.sap.aii.af.lib.facade</reference-target>
17     </reference>
18     <reference reference-type="hard">
19         <reference-target target-type="library" provider-name="sap.com">com.sap.base.technology.facade</reference-target>
20     </reference>
21     <fail-over-enable xsi:type="fail-over-enableType_disable"
22         mode="disable" /></application-j2ee-engine>

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