How to Find XML tag like parent group name , child group name and its sub tag

Hi Team,

we are designing on tool , in which we need to find   how many tag XML fine contain, need to find parent tag, sub parent , child , sub child  and store all record in custom table ,

here we have  sample code

<?xml version="1.0" encoding='windows-1252'?>

<!DOCTYPE AppModule SYSTEM "jbo_03_01.dtd">

<!-- $Header: CreditUsageRulesAM.xml 120.2 2005/06/12 03:09:25 appldev  $ -->

<AppModule

   Name="CreditUsageRulesAM"

   ComponentClass="oracle.apps.ont.structures.CreditUsageRulesAMImpl" >

   <DesignTime>

      <Attr Name="_isCodegen" Value="true" />

      <Attr Name="_version" Value="9.0.3.9.68" />

      <Attr Name="_deployType" Value="0" />

      <Attr Name="_exportName" Value="CreditUsageRulesAM" />

      <Attr Name="_superClassName" Value="oracle.apps.inv.setup.utilities.MGApplicationModuleImpl" />

   </DesignTime>

   <ViewUsage

      Name="CreditUsageRuleSetsVO"

      ViewObjectName="oracle.apps.ont.structures.CreditUsageRuleSetsVO" >