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How do I change XML files programmatically? [message #901083]

Thu, 09 August 2012 12:21

Eclipse User

To finish the task I am working on, I need to programmatically change the version, namespace, and schemalocation of a XML file. Does anyone know how to do that? What APIs can I use? Would very appreciate if any response!!

More specific, the file needs to be changed looks like this:

<entity-mappings version="2.0" xmlns="AAA" xmlns:xsi="..." xsi:schemaLocation="AAA .../xml/ns/persistence/orm_2_0.xsd">
</entity-mappings>

I need to programmatically change the file to a XML file as this:

<entity-mappings version="2.4" xmlns="BBB" xmlns:xsi="..." xsi:schemaLocation="BBB http://www.eclipse.org/eclipselink/xsds/eclipselink_orm_2_4.xsd">
</entity-mappings>

You can see I need to change the value of the following elements:

- version
- xmlns
- xsi:schemaLocation

Re: How do I change XML files programmatically? [message #901089 is a reply to message #901083]

Thu, 09 August 2012 13:24

Eclipse User

Nan,

Sounds like something that would be pretty easy to do with a DOM.

On 09/08/2012 6:21 PM, Nan Li wrote:
> To finish the task I am working on, I need to programmatically change
> the version, namespace, and schemalocation of a XML file. Does anyone
> know how to do that? What APIs can I use? Would very appreciate if any
> response!!
>
> More specific, the file needs to be changed looks like this:
>
> <entity-mappings version="2.0" xmlns="AAA" xmlns:xsi="..."
> xsi:schemaLocation="AAA .../xml/ns/persistence/orm_2_0.xsd">
> </entity-mappings>
>
> I need to programmatically change the file to a XML file as this:
>
> <entity-mappings version="2.4" xmlns="BBB" xmlns:xsi="..."
> xsi:schemaLocation="BBB
> http://www.eclipse.org/eclipselink/xsds/eclipselink_orm_2_4.xsd">
> </entity-mappings>
>
> You can see I need to change the value of the following elements:
>
> - version
> - xmlns
> - xsi:schemaLocation
>

Re: How do I change XML files programmatically? [message #901090 is a reply to message #901089]

Thu, 09 August 2012 13:34

Eclipse User

Thank you Ed! Could you give me some examples? I am not so familiar with Eclipse + XML.

Re: How do I change XML files programmatically? [message #901145 is a reply to message #901090]

Fri, 10 August 2012 01:03

Eclipse User

I don't think you need any Eclipse-specific tools for the simple things
you've described. Just DOM which comes with the JDK.

On 09/08/2012 7:34 PM, Nan Li wrote:
> Thank you Ed! Could you give me some examples? I am not so familiar
> with Eclipse + XML.

Re: How do I change XML files programmatically? [message #901258 is a reply to message #901083]

Fri, 10 August 2012 10:02

Eclipse User

You can also try xml beans for more sophisticated handling. xml beans is like JAXB and binds xml documents to Java object which makes manipulation easy.

i.e. setNamespace() will set the name space.

Re: How do I change XML files programmatically? [message #901335 is a reply to message #901258]

Fri, 10 August 2012 16:54

Eclipse User

Problem solved. It is indeed pretty simple. Thanks for your response!!

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