EBS开发遇到的问题

[shenen]

现在我在公司要负责EBS的开发，它是网页模式的，看了代码是这样的，我不知道他引用的oracle和java类库在哪啊，
我想查源代码。有懂的帮帮忙
<%@ page import="java.lang.String" %>
<%@ page import="oracle.apps.asf.query.DataSource" %>
<%@ page import="oracle.apps.asf.webbean.PageWebBean" %>
<%@ page import="oracle.apps.asf.util.RegionUtil" %>
<%@ page import="oracle.apps.asf.customer.organization.OrganizationEO" %>
<%@ page import="oracle.apps.asf.customer.contactpoint.PhoneBookPSIC" %>
<%@ page import="oracle.apps.asf.customer.contactpoint.EmailBookPSIC" %>
<%@ page import="oracle.apps.asf.customer.contactpoint.WebBookPSIC" %>
<%@ page import="oracle.apps.jtf.jflex.FlexRenderer" %>
<%@ page language="java" import="oracle.apps.jtf.base.resources.AOLMessageManager" %>
<%@ page language="java" import="oracle.apps.asf.util.MessageUtil" %>
<%@ page language="java" import="oracle.apps.asf.util.EncodeUtil" %>
<%@ page language="java" import="oracle.apps.asf.util.FunctionUtil" %>
<%@ page language="java" import="java.math.BigDecimal" %>
<%@ page language="java" import="oracle.apps.asf.html.FormLOVField" %>
<%@ page language="java" import="oracle.apps.asf.html.TextURL" %>
<%@ page language="java" import="oracle.apps.asf.util.Lookup" %>