Oracle EBS R12 整合ADF

环境：
ADF version: 11.1.1.6.0
Oracle EBS version: R12.2.3

程序的目的在于取得 EBS 登入时的用户相关信息。整个程序架构如下图：

ADF 的程序面:
Step 01: 在 ViewController 依序建立 Java Class：ConnectionProvider、EBizUtil、EBSWrapperFilter、以及存取用户信息的 Java Bean: UserInfo资料的 ConnectionProvider.java代码:

package com.oracle.view;import java.sql.Connection;
import java.sql.SQLException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;public class ConnectionProvider {private static DataSource ebsDS = null;static{try {Context ctx = new InitialContext();ebsDS = (DataSource) ctx.lookup("jdbc/TEST32");// your datasource jndi name as defined during configurationif (ctx != null)ctx.close();} catch (Exception e) {// TODO: Add catch code//ne.printStackTrace(); //ideally you should log itthrow new RuntimeException(e);// means jndi setup is not correct or doesn't exist}}private ConnectionProvider() {super();}public static Connection getConnection() throws SQLException{if (ebsDS == null)throw new IllegalStateException("AppsDatasource is not properly initialized or available");return ebsDS.getConnection();}}

PS: 在 EBS 环境中是以 jdbc 的模式取得数据库联机，可以进入 weblogic 的 Services-> Data Sources 查看，如：EBSDataSource 的 JNDI: jdbc/TEST32 ，并可以得知要布署到那一个主机上:oacore_cluster1

EBizUtil.java 代码:

package com.oracle.view;import java.sql.Connection;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import oracle.apps.fnd.ext.common.EBiz;public class EBizUtil {public EBizUtil() {super();}private static final Logger logger = Logger.getLogger(EBizUtil.class.getName());private static EBiz INSTANCE = null;static {Connection connection = null;try {connection = ConnectionProvider.getConnection();// DO NOT hard code applServerID for a real application// Get applServerID as CONTEXT-PARAM from web.xml or elsewhereINSTANCE = new EBiz(connection, "F1CB87199593E5F4E0431F030A0AD0AB31310251131793525291714692481335");} catch (SQLException e) {logger.log(Level.SEVERE, "SQLException while creating EBiz instance -->", e);throw new RuntimeException(e);} catch (Exception e) {logger.log(Level.SEVERE, "Exception while creating EBiz instance -->", e);throw new RuntimeException(e);} finally {if (connection != null) {try {connection.close();} catch (SQLException e) {throw new RuntimeException(e);}}}}public static EBiz getEBizInstance() {return INSTANCE;}    }

PS: APPL_SERVER_ID 可以到 EBS APP Server 路径下的 $INST_TOP/appl/fnd/12.0.0/secure/TEST32.dbc 取得Server ID :
APPL_SERVER_ID=F1CB87199593E5F4E0431F030A0AD0AB31310251131793525291714692481335
EBSWrapperFilter.java代码：

package com.oracle.view;import java.io.IOException;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import oracle.apps.fnd.ext.common.AppsRequestWrapper;
import oracle.apps.fnd.ext.common.AppsRequestWrapper.WrapperException;public class EBSWrapperFilter implements Filter {public EBSWrapperFilter() {super();}private static final Logger logger = Logger.getLogger(EBSWrapperFilter.class.getName());public void init(FilterConfig filterConfig) {logger.info("Filter initialized ");}public void doFilter(ServletRequest request, ServletResponse response,  FilterChain chain) throws IOException,ServletException {AppsRequestWrapper wrapper = null;logger.info("-current URI =" + ((HttpServletRequest)request).getRequestURI());try {wrapper = new AppsRequestWrapper((HttpServletRequest)request, (HttpServletResponse)response, ConnectionProvider.getConnection(), EBizUtil.getEBizInstance());} catch (WrapperException e2) {logger.log(Level.SEVERE, "WrapperException error encountered ", e2);throw new ServletException(e2);} catch (SQLException e2) {logger.log(Level.SEVERE, "SQLException error encountered ", e2);throw new ServletException(e2);}try {logger.info("Created AppsRequestWrapper object." + " Continuing the filter chain.");chain.doFilter(wrapper, response);logger.info("- the filter chain ends");} finally {//AppsRequestWrapper caches a connection internally.//AppsRequestWrapper.getConnection()--returns this connection this connection can be used in doGet()/doPost() service layer//whenever our application requires a connection in order to service the current request.//When AppsRequestWrapper instance is in use, this connection should not be closed by other code.//At this point, we are done using AppsRequestWrapper instance so, as good practice, we are going to close (release) this connection now.if (wrapper != null) {try {logger.info("- releasing the connection attached to the" + " current AppsRequestWrapper instance ");wrapper.getConnection().close();} catch (SQLException e3) {logger.log(Level.WARNING, "SQLException error while closing connection--", e3);throw new ServletException(e3);}}wrapper = null;}}public void destroy() {logger.info("Filter destroyed ");}
}

UserInfo.java 代码:

package com.oracle.bean;import java.util.Map;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import oracle.apps.fnd.ext.common.AppsRequestWrapper;
import oracle.apps.fnd.ext.common.Session;public class UserInfo {private String user;private String userInfo;public UserInfo() {super();}public void setUser(String user) {this.user = user;}public String getUser() {return user;}public void beforePhase(PhaseEvent phaseEvent) {// Add event code here...AppsRequestWrapper wrappedRequest =(AppsRequestWrapper)FacesContext.getCurrentInstance().getExternalContext().getRequest();Session session = wrappedRequest.getAppsSession();setUser(session.getUserName());Map columns = session.getInfo();StringBuffer temp = new StringBuffer();temp.append("<table>");for (Object key : columns.keySet()) {temp.append("<tr>");temp.append("<td>");temp.append(key);temp.append("</td>");temp.append("<td>");temp.append(columns.get(key));temp.append("</td>");temp.append("</tr>");}temp.append("</table>");setUserInfo(temp.toString());}public void setUserInfo(String userInfo) {this.userInfo = userInfo;}public String getUserInfo() {return userInfo;}
}

Step 02：在 adfc-config.xml 建立 view: userInfo.jspx 及设定 Managed Beans
userInfo.jspx

版面：PageGroupLayout ：layout = verticalOutPutText：value="Hello #{pageFlowScope.userInfoBean.user}!!"inlineStyle="font-size:medium; color:Red;" SeparatorOutPutText：value="#User Info:<br>#{pageFlowScope.userInfoBean.userInfo}" escape="false"inlineStyle="font-size:medium;"

Managed Beans：userInfoBean :

Step 03: 设定 userInfo.jspx 的 beforePhase

这是在 UserInfo.java 的一段程序

public void beforePhase(PhaseEvent phaseEvent) {// Add event code here...AppsRequestWrapper wrappedRequest =(AppsRequestWrapper)FacesContext.getCurrentInstance().getExternalContext().getRequest();Session session = wrappedRequest.getAppsSession();setUser(session.getUserName());Map columns = session.getInfo();StringBuffer temp = new StringBuffer();temp.append("<table>");for (Object key : columns.keySet()) {temp.append("<tr>");temp.append("<td>");temp.append(key);temp.append("</td>");temp.append("<td>");temp.append(columns.get(key));temp.append("</td>");temp.append("</tr>");}temp.append("</table>");setUserInfo(temp.toString());}

Step 04 : web.xml 中设定 Filters

Oracle EBS 上的设定 :
Step 01: 设定 Function ： Menu： Responsibiliey：
Function: WEI_ADFLAB_USERINFO

Function	WEI_ADFLAB_USERINFO
Properties-Type	External ADF Application
WebHTML-HTML Call	GWY.jsp?targetPage=faces/userInfo

Menu：WEI_LAB_MENU

Responsibility: WEI Labs

Step 02: Responsibility： Functional Administrator 上的设定
a.Core Services → Profiles → Code: FND_EXTERNAL_ADF_URL → Go
b.然后点选External ADF Application URL 后按 Define Profile Values

a. 点选Define Profile Values → Responsibility
b. 选择 Responsibility & Value
c. Value: 客制程式在 weblogic 的路径，如: http://lnxap104:7214/LAB_EBS-ViewController-context-root/ ，最后要加 /
d. 按 Update

一个Responsibility只能绑定一个程序的root，所以如果有多个功能，可能要放在同一包应用程序里面。也有其它使用者在问此问题，但现在并没有进一步的解法。例如: Oracle论坛，其他使用者提问的 >> 问题
Step 03: 清除 Caching Framework & Testing

本文章转载：ADF 整合於 ( Integrate ) Oracle EBS R12

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