Problem in JAXB for processing XML files

Question

hello
I have been working on a project where i need to process data in XML format. the flow goes thus
I have 28 data elements that i need to represent as a XML so i compile the schema files and generate the class files for each of the tags and thus i can use the get and set methods to read and write to a XML file respectively(example getName and setName)......
Now the problem is that my coding is done if i change my xml file and add say 2 more tags how do i handle it in my code.........
1>Do i have recomplie the schema file and generate new class files every time the xml structure changes. can i avoid this recompiling process and use a one time genrated class files even if the xml structure changes.
2>Now i have hard coded the get and set methods for processing the xml file if i add new tags to my xml i wouldnt have the get set methods for the new tags in my code(say i add a new tag as Phone then i wouldnt have the codes getPhone and setPhone called in my code and this tage was added after the coding was done)........how do i handle this situation. Is is possible that i can get and set data without using these methods and use some sort of a dynamic way of getting and setting data.............
3>Any other approach available to meet the above requirements other than JAXB.
Please help for the above problem
Thank you

Answer 1

hi,
i had written a xml and schema to validate.
my xml would be
<output>
<table>
<row>
<column></column>
<column></column>
</row>
</table>
<document>
<properties>
</properties>
<contents>
</contents>
</document>
<table>
<row>
<column></column>
<column></column>
</row>
</table>
<document>
<properties>
</properties>
<contents>
</contents>
</document>
<table>
<row>
<column></column>
<column></column>
</row>
</table>
<document>
<properties>
</properties>
<contents>
</contents>
</document>
</output>
schema should validate : each table should contain atleast one row element and each row element should have atleast one column. similarly, each document should have atleast one properties and contents element.
if any of these things occur. for ex: if there is no row element in table, i need to delete the table tag. similary if there is no properties/content or both element in document it should delete the corresponding document from the xml.
i tried for table if there is no row element am getting the line number of the </table> tag, based on that am deleting the table element. if there is no properties tag and contents tag is there. am getting the line number for <contents>start tag, with which i could not able to delete the whole document.
can anybody plz help me out for this requirement