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Programmatically adding imports to jsp file [message #205931]

Mon, 17 December 2007 13:22

Eclipse User

Originally posted by: Tanyu.Krasimirov.Trifonov.sap.com

Hi All,

I want to programmatically add some code to existing jsp file. First I
have to check if the required classes are already imported and if theyre
not I have to add import statements. The problem is that I cannot find a
way how I can check if the import statement is already present I tried
to use

IModelManager mm = StructuredModelManager.getModelManager();
IStructuredModel sm = null;
try {
sm = mm.getModelForEdit(jspFile);
} catch (IOException e) {}
catch(CoreException e){}

if (sm !=null && sm instanceof DOMModelForJSP){
DOMModelForJSP model = (DOMModelForJSP)sm;
IDOMDocument dom = model.getDocument();
}

if (sm != null){
sm.releaseFromEdit();
}

But I cannot figure out how I can get the already existing import
statements. Any help is appreciated.

Best regards,
Tanyu Trifonov

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Re: Programmatically adding imports to jsp file [message #206000 is a reply to message #205931]

Tue, 18 December 2007 00:25

Nitin Dahyabhai

Messages: 4435
Registered: July 2009

Senior Member

Tanyu Trifonov wrote:
> I want to programmatically add some code to existing jsp file. First I
> have to check if the required classes are already imported and if
> they�re not � I have to add import statements. The problem is that I
> cannot find a way how I can check if the import statement is already
> present � I tried to use
>
> IModelManager mm = StructuredModelManager.getModelManager();
> IStructuredModel sm = null;
> try {
> sm = mm.getModelForEdit(jspFile);
> } catch (IOException e) {}
> catch(CoreException e){}
>
> if (sm !=null && sm instanceof DOMModelForJSP){
> DOMModelForJSP model = (DOMModelForJSP)sm;
> IDOMDocument dom = model.getDocument();
> }
>
> if (sm != null){
> sm.releaseFromEdit();
> }
>
> But I cannot figure out how I can get the already existing import
> statements. Any help is appreciated.

You'll want to use org.w3c.dom.Document.getElementsByTagName(String)
on the IDOMDocument to find the jsp:directive.page elements
representing the page directives. From there you can look at the
attributes defining the import list.

---
Nitin Dahyabhai
Eclipse WTP Source Editing
IBM Rational

_
Nitin Dahyabhai
Eclipse Web Tools Platform

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Re: Programmatically adding imports to jsp file [message #206062 is a reply to message #206000]

Thu, 20 December 2007 08:35

Eclipse User

Originally posted by: Tanyu.Krasimirov.Trifonov.sap.com

Hi Nitin,

Thank you very much for your help.

Regards,
Tanyu

Nitin Dahyabhai wrote:

> Tanyu Trifonov wrote:
>> I want to programmatically add some code to existing jsp file. First I
>> have to check if the required classes are already imported and if
>> theyï¿œre not ï¿œ I have to add import statements. The problem is that I
>> cannot find a way how I can check if the import statement is already
>> present ï¿œ I tried to use
>>
>> IModelManager mm = StructuredModelManager.getModelManager();
>> IStructuredModel sm = null;
>> try {
>> sm = mm.getModelForEdit(jspFile);
>> } catch (IOException e) {}
>> catch(CoreException e){}
>>
>> if (sm !=null && sm instanceof DOMModelForJSP){
>> DOMModelForJSP model = (DOMModelForJSP)sm;
>> IDOMDocument dom = model.getDocument();
>> }
>>
>> if (sm != null){
>> sm.releaseFromEdit();
>> }
>>
>> But I cannot figure out how I can get the already existing import
>> statements. Any help is appreciated.

> You'll want to use org.w3c.dom.Document.getElementsByTagName(String)
> on the IDOMDocument to find the jsp:directive.page elements
> representing the page directives. From there you can look at the
> attributes defining the import list.

> ---
> Nitin Dahyabhai
> Eclipse WTP Source Editing
> IBM Rational

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