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How to get line/col info for WSDLResource element [message #630887]

Tue, 05 October 2010 09:18

Eclipse User

Hi all,

The BPEL editor needs to do some additional validation (i.e. resolving imports) so it needs access to the WSDL element line and column numbers. I see there's a WSDLParser class which (presumably if the TRACK_LOCATION option is TRUE) will report this info, but I can't seem to find where this class is actually used, much less how to get access to it. Can anyone help?

Thanks!
Bob

Re: How to get line/col info for WSDLResource element [message #630899 is a reply to message #630887]

Tue, 05 October 2010 09:52

Eclipse User

Hi Bob,

This function is modeled after the similar XSDParser from the XSD Infoset
model. As you've discovered, the parser is used when the track
TRACK_LOCATION option is set to TRUE. You can see the parser used to build
the DOM underlying the WSDL EMF model in the
org.eclipse.wst.wsdl.util.WSDLResourceImpl.getDocumentUsingS AX(InputSource,
Map).

As for how to use it to get a DOM element's location, you will code
something like this:

Element domElement = <wsdl EMF model object>.getElement();
int startLine = WSDLParser.getStartLine(element);
int startColumn = WSDLParser.getStartColumn(element);

Hope this helps, Valentin

"Bob Brodt" <bbrodt@redhat.com> wrote in message
news:i8f8dk$2ca$1@news.eclipse.org...
> Hi all,
>
> The BPEL editor needs to do some additional validation (i.e. resolving
> imports) so it needs access to the WSDL element line and column numbers. I
> see there's a WSDLParser class which (presumably if the TRACK_LOCATION
> option is TRUE) will report this info, but I can't seem to find where this
> class is actually used, much less how to get access to it. Can anyone
> help?
>
> Thanks!
> Bob

Re: How to get line/col info for WSDLResource element [message #630908 is a reply to message #630899]

Tue, 05 October 2010 10:43

Eclipse User

Thanks Valentin! I should have realized this since WSDLParser is a utility class and all of its methods are static Wink

BTW, the javadocs I found for this package mention that this is a provisional API - how "provisional" is it and is it likely to change in the near future?

Thanks again,
Bob

Re: How to get line/col info for WSDLResource element [message #630937 is a reply to message #630908]

Tue, 05 October 2010 11:17

Eclipse User

You're welcome Bob. There are of course no hard guarantees, but I think
you're fairly safe to use it - I'm not aware of any plans to change this
class any time soon.

Cheers, Valentin

"Bob Brodt" <bbrodt@redhat.com> wrote in message
news:i8fddv$c0n$1@news.eclipse.org...
> Thanks Valentin! I should have realized this since WSDLParser is a utility
> class and all of its methods are static ;)
>
> BTW, the javadocs I found for this package mention that this is a
> provisional API - how "provisional" is it and is it likely to change in
> the near future?
>
> Thanks again,
> Bob

Re: How to get line/col info for WSDLResource element [message #630970 is a reply to message #630937]

Tue, 05 October 2010 12:49

Eclipse User

Sorry for being so dense, but I can't seem to get this to work Sad

I have a WSDL that starts out like this:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions ...>
<types xmlns="http://schemas.xmlsoap.org/wsdl/">
<schema xmlns="http://www.w3.org/2001/XMLSchema">
<import namespace="http://www.example.org/" schemaLocation="some_invalid_location.xsd"/>
</schema>
</types>

and obviously, I'm trying to report the line/column of the missing import location. The WSDL Resource is part of a ResourceSet so I've set the load options to include "TRACK_LOCATION=true" like so:

Map opt = resSet.getLoadOptions();
opt.put("TRACK_LOCATION", Boolean.TRUE);

then the WSDL resource is created and loaded like so:

Resource res = resSet.createResource(uri, kind);
res.load(opt);

Then I navigate the model to get the imported XSD element:

Definition definition = res.getContents().get(0);
List<XSDSchema> schemas = definition.getETypes().getSchemas();
XSDSchemaContent sc = schemas.getContents().get(0);
int startLine = WSDLParser.getStartLine( sc.getElement() );
int startCol = WSDLParser.getStartColumn( sc.getElement() );

The startLine and startCol are always returned as 1/1 (likewise, end line/column are always the last character position in the WSDL file).

Also, the <definition> start line/column is reported as 1/1 (shouldn't the start line be 2?)

What am I missing here?

Re: How to get line/col info for WSDLResource element [message #630988 is a reply to message #630970]

Tue, 05 October 2010 14:53

Eclipse User

Never mind - it turns out that I needed to get the line/column numbers from the XSDParser, not WSDLParser. It's working now. I guess the XSDParser is used for parsing <import> elements with xmlns="http://www.w3.org/2001/XMLSchema" (which makes sense)

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