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Re: [emf-dev] EMF Compare for Java Packages 
Roberto,

Please use the newsgroup/forum to ask questions, not the mailing list.
You'll need resource factories registered to read the instance files you're trying to load. When you follow up in the newsgroup/forum, be sure to explain what you have you registered to be able to read *.java files? Also explain how it is you expect to load a Java Package. 

Cheers,
Ed

Roberto Minelli wrote:

Dear All,
I'm developing an Eclipse Plug-in that needs to be able to compute the diff between Java Source files as well as Java Packages, as "Compare with Each other" Eclipse's functionality does.
Can EMF Compare help me? I installed in Eclipse all the materials as well as downloaded all the CVS projects via the *.psf file but I'm not able to use it as I want to.
I already take a look at the Stand-Alone project, as suggested in many threads, but it does not help since I reported errors while using it.

Loading resources.

org.eclipse.emf.ecore.resource.Resource$IOWrappedException: Content is not allowed in prolog.
	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:201)
	at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:180)
	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1494)
	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1282)
	at org.eclipse.emf.compare.util.ModelUtils.load(ModelUtils.java:320)
	at org.eclipse.emf.compare.util.ModelUtils.load(ModelUtils.java:218)
	at ExampleLauncher.main(ExampleLauncher.java:64)
Caused by: org.xml.sax.SAXParseException: Content is not allowed in prolog.
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:174)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:388)
	at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1414)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:1039)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:181)
	... 6 more


Can someone, please, provide me a snippet of code that can help me comparing two Java Packages?

Best regards and thank in advance,
Roberto M.


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