How to modify the xml file

Question

Hi
i am able to parse and modify the xml using DOM parser
after ever modification I am using the below code to write in the file
org.apache.xml.serialize.OutputFormat format = new org.apache.xml.serialize.OutputFormat(doc);
          format.setIndenting(true);
          org.apache.xml.serialize.XMLSerializer output = new org.apache.xml.serialize.XMLSerializer(new FileOutputStream(xmlFile), format);
          output.serialize(doc);
using the above code I am overwriting the entire xmlFile
is there an function that change only the required node the xml that change should me reflected in to the xml file
thanks in advance

Answer 1

YoungWinston wrote:
chi8088 wrote:
is there an function that change only the required node the xml that change should me reflected in to the xml fileI'm pretty sure there is, but I'm afraid I'm not a DOM expert.No, there is not. An XML file is really at its heart just a text file, and just like you can't simply write a change in the middle of a text file* but rather have to re-write out the entire contents, the same is true for an XML file.
* unless you use a RandomAccessFile, and know the exact position to seek, and the change doesn't cause the rest of the contents to shift, such as by adding more content or removing some. All of which are very restrictive conditions.