如何为这个xml设置XPath

<?xml version="1.0" encoding="UTF-8" standalone='no'?>
<feed xmlns:A="urn:schemas-com:partatom" xmlns="http://www.w3.org/2005/Atom">
  <entry>
      <id>20100225-G-GEN-001000 </id>
      <summary>Single French Door, No Mullions </summary>
      <title>Single French Door, No Mullions </title>
      <author>
        <name>chattea </name>
      </author>
</entry>
</feed>

我想查找所有id='20100225-G-GEN-001000' 的entry 节点，用的是dom4j

命名空间和xpath，如何设置，谢谢

---

//entry[id='20100225-G-GEN-001000']