java解析一个list

[观云海]

第一个参数是路径，第二参数是名称，需要将参数都提取出来
显示如下：
1.中心主题-》一级菜单-》二级菜单1-》三级菜单1
2.中心主题-》一级菜单-》二级菜单1-》三级菜单2
3.中心主题-》一级菜单-》二级菜单1-》三级菜单2
4.中心主题-》一级菜单-》二级菜单2

大神帮忙写一下怎么提取
list数据如下：

/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='title']---中心主题
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---一级菜单
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---二级菜单1
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单1
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单2
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单3
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---二级菜单2
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---一级菜单1
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---二级菜单3
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---二级菜单4
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单4
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单5
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---三级菜单6
/*[name()='xmap-content']/*[name()='sheet']/*[name()='topic']/*[name()='children']/*[name()='topics']/*[name()='topic']/*[name()='title']---一级菜单2
/*[name()='xmap-content']/*[name()='sheet']/*[name()='title']---画布 1