java - Spliting big XML file into small based on tag name -

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i have requirement in xml file & tag name input, have split xml file using given tag name using java. pls. suggest me s

input: xml file

  <note>     <to>tove</to>     <from>jani</from>     <heading>reminder</heading>     <body>don't forget me weekend!</body>    </note>    <book>   <author>gambardella, matthew</author>   <title>xml developer's guide</title>   <genre>computer</genre>   <price>44.95</price>   <publish_date>2000-10-01</publish_date>   <description>an in-depth @ creating applications    xml.</description>   </book>  <book>   <author>ralls, kim</author>   <title>midnight rain</title>   <genre>fantasy</genre>   <price>5.95</price>   <publish_date>2000-12-16</publish_date>   <description>a former architect battles corporate zombies,    evil sorceress, , own childhood become queen    of world.</description>

tag name: book

output:

<book>   <author>gambardella, matthew</author>   <title>xml developer's guide</title>   <genre>computer</genre>   <price>44.95</price>   <publish_date>2000-10-01</publish_date>   <description>an in-depth @ creating applications    xml.</description>   </book>  <book>   <author>ralls, kim</author>   <title>midnight rain</title>   <genre>fantasy</genre>   <price>5.95</price>`enter code here`   <publish_date>2000-12-16</publish_date>   <description>a former architect battles corporate zombies,    evil sorceress, , own childhood become queen    of world.</description>  </book>

i think general algorithm follows:

  • read file buffer
  • locate first instance of tag
  • keep reading lines until find last tag
  • output lines

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